JP6364293B2 - Power management system and power management method - Google Patents

Description

  The present invention relates to a power management system and a power management method.

In recent years, a power management system that stores a power generation device and a storage battery using renewable energy (natural energy) such as solar power generation is known (see, for example, Patent Document 1).
In addition, the power management system controls the charging and discharging of the storage battery based on the predicted generated power and the predicted power consumption while taking into account the amount of power stored in the storage battery, and the energy is effectively used. (For example, refer to Patent Document 2).

  Further, as a power management system, a system that performs control for mutual interchange of power between community customer facilities in a community including a plurality of customer facilities is known (for example, see Patent Document 3). Thus, the power management system corresponding to a plurality of customer facilities is also referred to as TEMS (Town Energy Management System) or CEMS (Community Energy Management System).

JP 2012-044733 A JP 2013-215092 A JP 2012-055078 A

In a community composed of a plurality of customer facilities in Patent Document 3, when the generated power of a certain customer facility exceeds the power consumption, this surplus power is used for other customer facilities whose power consumption exceeds the generated power. The process is flexible.
Knowing if they were carried out how flexible processing of power in the community, compared with the consumer facility that does not perform the interchange processing of power is carried out.
However, conventionally, only the numerical value of the purchased power amount, the sold power amount, the power generation amount of the power generation device, the charge amount to the storage battery, the discharge amount from the storage battery, etc. of each customer facility participating in the community is displayed. It is.

For this reason, the administrator of the community of power management, one of the customers facility is flexible power to other customers facility, one of the customers facilities if they were flexible power from other customers facility power monitoring Is not enough.
Therefore, the administrator can not intuitively recognize the flow of electrical power to be power or flexibility to interchange each customer facility, the appropriate TEMS and CEMS, power interchange between consumer facility It was difficult to determine whether the process was being performed.

The present invention is a power management system capable of monitoring has been made in view of such circumstances, the power interchange state of the community mutual interchange power to each other to visualize, the flexibility effects of power between the consumer facility visually And to provide a power management method.

Power management system of the present invention, in the power management area, the plural customers facilities including customer facility comprising a storage battery and a power generator as electrical equipment connected to the common power supply line, the surplus power between the customer facility In a flexible power management system, a surplus consumer extraction unit that extracts the customer facility having each sold power as surplus power as a surplus consumer, and the consumer having each purchased power that is insufficient power and the lack of consumer extraction unit that extracts a facility as a lack of customers, and the surplus power distribution unit for distributing the power electricity each residence sale of the surplus demand at home in each of the residence purchase power of the lack of demand at home, before Symbol surplus demand directed from home demand Yoie images demand Yoie image of the missing customer, surplus power distribution unit displays a line-shaped power line image indicating that the surplus electric power distribution are interchange interchange power line display unit , E Bei a circular bar graph display unit which forms a ¥ shape bar, the circular bar graph display unit, the demand shows each of the customer facility on the outer circumference of the center circle of the circular bar house Each of the images is displayed at a predetermined interval, and the circular bar graph is formed on the outside of the central circle in the diameter direction of the central circle based on the circumference of the central circle at the position of the customer facility, interchange power line display unit, in the interior of the center circle, the feature that you draw the power line image indicating the power interchange relationship of the customer image of the missing customer from the customer image of the surplus customer To do.

The power management system of the present invention includes an image control unit that displays a customer facility image indicating each customer facility, each house charging power that is charging power for the storage battery, and each house discharge that is discharging power from the storage battery. further comprising a bar graph display unit for displaying each of the bar graph of the residence generated power which is the power generated power and the power generating device, the bar graph display unit, of each of the customer facilities which the image control unit displays The bar graph of each of the mansion charging power, each mansion discharging power, and each mansion generated power is displayed in the vicinity of the customer image.

  The power management system according to the present invention is characterized in that the interchangeable power line display unit displays the thickness of the power line image in a thickness or shade corresponding to the amount of surplus power that can be accommodated.

The power management system of the present invention further includes a power sphere display unit that displays a plurality of first sphere images that move along the power line image, and the power sphere display unit includes the demand of the surplus consumer. along the power line image that connects the customer image of the house image the missing customer, the first from the customer image before Symbol excess customer moves toward the customer image of the missing customer One sphere image is displayed.

  The power management system of the present invention is characterized in that the power sphere display unit displays a second sphere image indicating the power amount of the surplus power around the consumer image of the surplus consumer.

  The power management system of the present invention is characterized in that the power sphere display unit changes the speed, diameter, or number of each of the first sphere image and the second sphere image in accordance with the power amount.

Power management method of the present invention, in the power management area, the plural customers facilities including customer facility comprising a storage battery and a power generator as electrical equipment connected to the common power supply line, the surplus power between the customer facility In a flexible power management method, a surplus consumer extraction unit extracts a surplus consumer as a surplus consumer, and a surplus consumer extraction process in which each surplus power is a surplus power. A deficient customer extraction unit that extracts the customer facility having purchased power as a deficient customer, and a deficient customer extraction unit purchases the electric power sold by the surplus consumer for each residence purchased by the deficient consumer. and surplus power allocation process of allocating the power, interchange power line display unit, facing from the surplus consumers who demand Yoie images demand Yoie image of the missing customer, the surplus power is flexible surplus power allocation unit is allocated Have Possess the interchange power line display step of displaying a line-shaped power line image indicating that, circular bar graph display unit, e Bei a circular bar graph display process of forming a circular bar, the circular bar graph display unit The customer images showing each of the customer facilities are displayed at predetermined intervals on the outer periphery of the circumference of the center circle of the circular bar graph, and the circular bar graph is displayed at the center of the customer facility. The circumference of a circle is used as a base, formed in the diameter direction of the central circle, outside the central circle, and the interchangeable power line display unit is located in the central circle from the consumer image of the surplus consumer. the power line image indicating the power interchange relationship lack customer of the customer image features that you draw.

According to the present invention, it is possible to provide a power interchange state of the community mutual interchange power to each other to visualize, the power management system and a power management method that can monitor interchange effect of power between the consumer facility visually .

It is a figure which shows the structural example of the power management system by one Embodiment of this invention. It is a figure which shows the structural example of the power management part 11 in an accommodation area in 1st Embodiment. It is a figure which shows the structural example of the accommodation screen display part 113 of the power management part 11 in the accommodation area in 1st Embodiment. Is a diagram illustrating the measurement points for measuring a measured value of electric energy in each consumer facility 10 of the power management area 1. It is a figure which shows the structural example of the measured value table memorize | stored in the display data memory | storage part. It is a figure which shows the structural example of the surplus customer table memorize | stored in the display data storage part. It is a figure which shows the structural example of the lack customer table memorize | stored in the display data memory | storage part. It is a figure which shows the structural example of the distribution electric power table memorize | stored in the display data storage part. It is a figure which shows the display screen of the display apparatus which shows interchange of the surplus electric power between each customer facility 10 in the power management system of this embodiment. It is a figure which shows the display screen of the display apparatus which shows interchange of the surplus electric power between each customer facility 10 in the power management system of this embodiment. It is a figure which shows the display screen of the display apparatus which shows interchange of the surplus electric power between each customer facility 10 in the power management system of this embodiment. It is a figure which shows the display screen of the display apparatus which shows interchange of the surplus electric power between each customer facility 10 in the power management system of this embodiment. It is a flowchart which shows an example of the process which produces | generates the figure which shows the interchange of the electric power between the customer facilities 10 in the electric power management system by this embodiment. It is a figure explaining the example of a display of the circular bar graph which the circular bar graph display part 308 displays on the display screen of a display apparatus. It is a figure which shows the structural example of the independence rate evaluation part 112 of the power management part 11 in the accommodation area in 1st Embodiment. It is a figure which shows the structural example of the calculation value table written and memorize | stored in the database. It is a figure which shows the structural example of the electric energy table written and memorize | stored in the database. It is a flowchart which shows an example of the process of the calculation which calculates | requires the independence rate of the power management system by this embodiment. It is a figure which shows the structural example of each residence electric energy table written and memorize | stored in the database. It is a graph of the independence rate calculated | required by the power management system by this embodiment, and each house independence rate. It is a figure which shows the structural example of the power management system by other embodiment of this invention. It is a figure which shows the structural example of the power management part 11 'in accommodation area in other embodiment. Is a diagram illustrating the measurement points for measuring a measured value of electric energy in each consumer facility 10 of the power management area 1.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a diagram illustrating a configuration example of a power management system according to an embodiment of the present invention. The power management system according to the present embodiment collectively manages power in customer facilities such as houses, commercial facilities, and industrial facilities corresponding to a plurality of customers in a power management region (community) that is a predetermined region range, for example. To do. Such a power management system corresponds to what is called TEMS, CEMS, etc., for example.

  The power management system according to the present embodiment performs power management for an electrical facility provided for each of a plurality of customer facilities 10 in a certain range of areas shown as a power management area 1 in FIG. The power management area 1 includes a customer facility 10, a power management area power management unit 11, and a power rate calculation unit 12. System power is supplied to each customer facility 10 from a commercial power supply (system power supply) via a power line 13.

  Each of the plurality of customer facilities 10 in the power management area 1 shown in FIG. 1 is provided with a solar battery 101, a grid watt hour meter 102, a storage battery 103, a storage battery watt hour meter 104, and a storage battery control unit 105. The solar cell 101 is an example of a power generation device using renewable energy, and may be another power generation device such as wind power generation. Moreover, in the some customer facility 10 in the power management area 1, as shown in FIG. 1, the structure provided with either the solar cell 101 or the storage battery 103 may not be provided with both the solar cell 101 and the storage battery 103.

The system watt-hour meter 102 is provided between the power line 13 and the power source line in the customer facility 10 and measures the amount of power supplied from the power line 13 or supplied to the power line 13.
Here, when the amount of power supplied from the grid power meter 102 is supplied from the power line 13 to the customer facility 10 (that is, when the amount of power is positive), this amount of power is purchased power (described later). Each house purchase power K _i ). On the other hand, when the power is supplied from the customer facility 10 to the power line 13 (that is, when the amount of power is negative), this amount of power becomes the selling power (each house selling power S _i described later).

When the storage battery 103 is controlled to be charged, the power generated by the solar battery 101 or a part of the power supplied from the power line 13 is charged. On the other hand, the storage battery 103 supplies power to the power line 13 when discharge control is performed.
The storage battery watt-hour meter 104 measures the amount of power charged / discharged with respect to the storage battery 103 in the customer facility 10.
Here, when the amount of power measured and supplied by the storage battery watt-hour meter 104 is positive, this amount of power becomes charging power (each house charging power C _i described later), while the storage battery watt-hour meter 104 measures When the amount of power to be supplied is negative, this amount of power becomes discharge power (each house discharge power D _i to be described later).
The storage battery control unit 105 controls charging / discharging of the storage battery 103 in the customer facility 10.

The customer facility 10 corresponds to, for example, a house, a commercial facility, or an industrial facility. Further, the power management area 1 may correspond to, for example, one or a plurality of apartment houses, and each of the customer facilities 10 may be each house in the apartment house.
Further, the customer facility 10 may not be limited to a predetermined area of the power management area 1 managed by the power management system. That is, the power management system is registered as a customer facility 10 under its own management, and can transmit and receive information managed using the network 300 described later, for example, different regions (for example, Hokkaido, Honshu, Kyushu, It may be an aggregate of a plurality of customer facilities 10 registered in each region such as Shikoku. In this case, the common system power supply 3 is an aggregate of power supply lines in an area connected to each of the customer facilities 10.

The in-accommodation area power management unit 11 targets the storage battery 103, which is an electrical facility in each customer facility 10 belonging to the power management area 1, and executes power control via the storage battery control unit 105. For this purpose, the power management unit 11 in the accommodation area in FIG. 1 is connected to the customer facility 10 via the network 300 so as to be able to communicate with each other. Thereby, the power management part 11 in the accommodation area can control the electrical equipment in each customer facility 10.
The power rate calculation unit 12 calculates the power rate of each customer facility 10 based on the amount of power measured by each of the grid energy meter 102 and the storage battery energy meter 104 in each customer facility 10 in the power management area 1. . Further, power rate calculation unit 12, by the network 400, the amount of power measurement of each of the system power meter 102 and the storage battery power meter 104 provided to the customers facilities 10 of the power in the management area 1, the power Collected as actual power consumption information for calculating charges.

FIG. 2 is a diagram illustrating a configuration example of the interchange area power management unit 11 according to the first embodiment. The accommodation area power management unit 11 includes a power management unit 111, an independence rate evaluation unit 112, and an accommodation screen display unit 113. Here, the independence rate evaluation unit 112 does not need to be provided when the independence rate in the power management area 1 is not calculated. In this case, the accommodation area power management unit 11 includes a power management unit 111 and an accommodation screen display unit 113.
The power management unit 111, for each of the customers facility 10 belonging to the power management area 1, the their respective surplus power or is supplied to the other customer facility 10, or a power shortage of other consumers Control to receive from the facility 10 is performed. Here, the surplus power indicates the difference power in which the power generated by the solar cell 101 exceeds the total value of the power consumed by the load and the power charged in the storage battery 103. Insufficient power indicates the difference in power consumption that exceeds the power generated by the solar battery 101 and the power obtained by adding the discharge power to the storage battery 103.

Each customer facility 10, and the power management unit (not shown) is provided, power consumption from the past results is consumed the next day, it estimates the generated power solar cell 101 generates electric power on the next day, generating a power management plan To do. In the power management plan, the amount of discharged power from the storage battery 103 is set in addition to the generated power of the solar battery 101 so that the purchased power from the commercial power supply does not exceed the demand value for each demand time period.
In addition, the power management unit is necessary for the storage battery 103 on the next day using cheaper nighttime power (purchased power from the system power supply during the nighttime period) based on the power consumption and generated power the next day in the power management plan. Let the power to become charged. Other than the night time zone, the power price of the system power supply is an intermediate time zone higher than the night time zone.

However, the deviation between the estimated value of the power consumption in the displacement or each consumer facility 10 and the estimated value of the power generated by the next day's weather, excess power or insufficient power is generated in each of the customer facility 10.
The power management unit 111, based on the excess power and under power in the customers facility 10, from customer facilities 10 with surplus power, relative to other consumer facility 10 having a power shortage, the control of interchange power Do. Here, any method may be used as an accommodation method for performing this electric power.

For example, the power management unit of each customer facility 10 notifies the information of surplus power or insufficient power to the power management unit 111. Thus, the power management unit 111, a customer facility 10 with surplus power by sequential control, for other consumer facility 10 having a power shortage, control is performed to interchange power.
As another method, it estimates the surplus power or power shortage in the next control cycle power management unit in each control cycle of each customer facility 10, the estimated surplus power, the power management unit information power shortage 111 is notified. Thus, the power management unit 111, the notified estimated surplus power and information power shortage has been, from customer facilities 10 that are estimated to have a surplus power in the next control cycle, is estimated to have a power shortage for other consumer facility 10, control is performed to interchange power.

  The independence rate evaluation unit 112 evaluates the degree of independence of the entire power management area 1 including the plurality of customer facilities 10, that is, the independence rate for the power in the power management area 1. As a result, the independence rate evaluation unit 112 can evaluate which of the methods for power accommodation corresponds to the power management area 1 and which is providing efficient power accommodation.

  The interchange screen display unit 113 is a linear shape that is an image of a power line that connects customer facilities with each other in the power management area 1 including the plurality of customer facilities 10. The power line image is displayed on a display screen of a display device (not shown).

FIG. 3 is a diagram illustrating a configuration example of the accommodation screen display unit 113 of the accommodation area power management unit 11 in the first embodiment.
The interchange screen display unit 113 includes an image control unit 301, a surplus consumer extraction unit 302, a short customer extraction unit 303, a surplus power distribution unit 304, a bar graph display unit 305, a flexible power line display unit 306, an electric energy bulb display unit 307, Each includes a circular bar graph display unit 308 and a display data storage unit 309.

With respect to the description of each part in the above-described interchange screen display unit 113, the measurement values used for displaying an image indicating the mutual power exchange between the customer facilities 10 and the measurement locations of the respective measurement values will be described. .
FIG. 4 is a diagram for explaining measurement points at which the measurement value of the electric energy in each customer facility 10 in the power management area 1 is measured. In the following description, it is assumed that there are n customer facilities 10, for example. FIG. 4A shows a measurement location for measuring a measured value for obtaining an independence rate when demand power is interchanged between the customer facilities 10. FIG. 4 (b) shows a measurement location for measuring a measured value for obtaining an independence rate when demand power to be described later is not interchanged between customer facilities 10.

In FIG. 4A, the interchange area power receiving point J is a measurement point that serves as a reference for the amount of power supplied from the grid power to the power management area 1 or flowing back from the power management area 1 to the grid power.
The interchange area customer entry / exit point jt _i (1 ≦ i ≦ n) is a measurement for measuring the amount of power supplied to each customer facility 10 or supplied from each customer facility 10 to the power line 13. Is a point. In the present embodiment, the system power meter 102 is installed in the accommodation area consumer and out points jt _i.

The photovoltaic power generation entry / exit point P _i (1 ≦ i ≦ n) is a measurement point for measuring the amount of power generated by the solar cell 101.
The storage battery entry / exit point B _i (1 ≦ i ≦ n) is a measurement point for measuring the amount of power in charging / discharging performed on the storage battery 103. In the present embodiment, the storage battery power meter 104 is installed in the battery and out point B _i.
Each residence power entry / exit point L _i (1 ≦ i ≦ n) is a measurement point for measuring the amount of power supplied to each residence from the power line 13 and the solar cell 101, that is, the power consumption consumed by the customer facility 10.

Next, the measurement value in this embodiment measured at each measurement point will be described.
Each house purchase power K _i (1 ≦ i ≦ n) is a numerical value measured by the grid watt hour meter 102 and indicates the power supplied from the power line 13 to each customer facility 10.
Each house electric power S _i (1 ≦ i ≦ n) indicates the electric power supplied from each customer facility 10 to the power line 13.
Each residence power generation power P _i (1 ≦ i ≦ n) is a numerical value measured by a generated power wattmeter (not shown) provided at a terminal that outputs the power of the solar cell 101, and from each customer facility 10. The electric power supplied with respect to the power line 13 is shown.

Each residence charging power C _i (1 ≦ i ≦ n) is a numerical value measured by the storage battery watt-hour meter 104 and indicates the power charged to the storage battery 103.
Each residence discharge power D _i (1 ≦ i ≦ n) is a numerical value measured by the storage battery watt-hour meter 104 and indicates the power discharged from the storage battery 103.
Each residence power consumption L _i (1 ≦ i ≦ n) is measured by a system energy meter 102 and a power consumption energy meter (not shown) provided between the solar cell 101 and the power line of the customer facility 10. It shows the amount of power supplied to each residence from the power line 13 and the solar battery 101, that is, the power consumption consumed by the customer facility 10.

Returning to FIG. 3, the image control unit 301 controls the input / output of data and the operation of each unit in the flexible screen display unit 113. In addition, the image control unit 301 includes each house purchase power K _i , each house sale power S _i , each house solar power P _i , each house charge power C _i , and each house supplied from each customer facility 10. The measured values of the discharge power D _i and the power consumption L _i of each residence are written and stored in the measurement value table of the display data storage unit 309 together with the residence number which is identification information for identifying the supplied customer facility 10. Each residence purchase power K _i , each residence sale power S _i , each residence photovoltaic power generation P _i , each residence charge power C _i , each residence discharge power D _i , and each residence consumption power L _i are each 1 minute. It is a measurement value read out every time, and is an integrated power in a measurement cycle of 1 minute. Here, the image control unit 301 assigns and stores a time stamp indicating the time when the measurement value is measured in each measurement value table.

FIG. 5 is a diagram illustrating a configuration example of a measurement value table stored in the display data storage unit 309. In FIG. 5, the measured value table includes purchased power (each house purchased power K _i ), sold power (each house sold power S _i ), generated power (each house solar power P _i ), and charged power ( Each residence charge power C _i ), discharge power (each residence discharge power D _i ), and power consumption (each residence consumption power L _i ) are written and stored together with a residence number identifying each residence.

Returning to FIG. 3, the surplus customer extraction unit 302 refers to the measurement value table of the display data storage unit 309, and each of the house powers _Si is not “0”, that is, a customer facility having surplus power 10 is extracted. Further, the surplus consumer extraction unit 302 sets the extracted customer facility 10 as a surplus consumer, associates the surplus consumer table of the display data storage unit 309 with the house number of each residence, Generated power P _i ), Selling power (Electricity selling power S _i ), Unaccommodated power, Directly accommodating power, Discharge accommodating power, Discharging power (Every mansion discharging power _Di ) Each of the powers C _i ) is written and stored in association with each other. Here, the surplus customer extraction unit 302 writes the sold power in the unacquired power column. Further, unaccommodated power indicates surplus power that has not been determined by the customer facility as the accommodation destination in the entire sold power. Direct interchangeable power indicates power interchanged from the generated power of the solar battery 101 in the interchangeable power from the selling power. Discharge accommodation power indicates the power interchanged from the discharge power from the storage battery 103 in the accommodation power from the selling power.

FIG. 6 is a diagram illustrating a configuration example of a surplus customer table stored in the display data storage unit 309. In FIG. 6, the surplus consumer table includes generated power (each house solar power P _i ), sold power (each house sold power S _i ), unaccommodated power, direct accommodation power, and discharge accommodation power. The discharge power (each house discharge power D _i ) and the charge power (each house charge power C _i ) are written and stored together with a house number identifying each house.

Returning to FIG. 3, the short customer extracting unit 303 refers to the measurement value table of the display data storage unit 309, and each low purchased power _Ki is not “0”, that is, the power cannot be independent and has insufficient power. The customer facility 10 is extracted. In addition, the shortage customer extraction unit 303 sets the extracted customer facility 10 as a shortage customer, causes the shortage customer table of the display data storage unit 309 to correspond to the house number of each house, and generates power (each house solar light). Each of the generated power P _i ), purchased power (each house purchased power KZ _i ), insufficient power, discharge power (each house discharge power D _i ), and charge power (each house charge power C _i ) is written and stored in association with each other. Let Here, the shortage customer extraction unit 303 writes the purchased power in the column of shortage power. In addition, the shortage power indicates the power that is not determined by the customer facility as the power interchange source in the entire purchased power, that is, the power shortage with respect to the purchased power.

FIG. 7 is a diagram illustrating a configuration example of a short customer table stored in the display data storage unit 309. In FIG. 7, the shortage consumer table includes generated power (each house photovoltaic power P _i ), purchased power (each house purchased power KZ _i ), insufficient power, discharge power (each house discharge power D _i ), and charging. Each of the electric power (each house charging power C _i ) is written and stored together with a house number for identifying each house.

  Returning to FIG. 3, the surplus power distribution unit 304 refers to the surplus consumer table of the display data storage unit 309 from above, and extracts the customer facility 10 whose unacquired power is not “0”. Further, the surplus power distribution unit 304 refers to the shortage customer table of the display data storage unit 309 from above, and extracts the customer facility 10 whose shortage power is not “0”.

  Then, the surplus power distribution unit 304 subtracts the shortage power of the customer facility 10 of the short customer from the extracted unacquired power of the customer facility 10 of the surplus customer. Here, the surplus power distribution unit 304 subtracts the insufficient power from the unaccompanied power, and when the unaccommodated power becomes negative or “0”, the surplus power distribution unit 304 stores the unaccommodated power in the surplus consumer table “309”. "0" is written and stored. Further, when the subtracted result of the interchangeable power is negative, the surplus power distribution unit 304 writes and stores the absolute value of the negative interchangeable power in the insufficient power in the shortage consumer table of the display data storage unit 309.

  On the other hand, the surplus power distribution unit 304 subtracts the insufficient power from the unaccompanied power, and writes and stores the insufficient power as “0” when the unaccommodated power becomes positive. In addition, when the interchange power of the subtraction result is positive, the surplus power distribution unit 304 writes and stores the unaccommodated power of the subtraction result in the unaccommodated power of the surplus consumer table of the display data storage unit 309.

  In addition, the surplus power distribution unit 304 supplies the surplus power to each of the surplus customers with respect to the home number of the customer facility 10 to which surplus power is distributed (supplied house number described later) and the customer facility 10. When allocated power (supplied power supply to be described later) is associated with its own house number (supplier's house number to be described later) and all the surplus power destinations of the surplus consumer customer facility 10 have been determined ( When the interchanged power becomes “0”), it is written and stored in the distributed power table of the display data storage unit 309.

FIG. 8 is a diagram illustrating a configuration example of a distributed power table stored in the display data storage unit 309. The distributed power table is provided in each of the surplus consumer's customer facilities 10 corresponding to the house number of the customer facility 10. In FIG. 8, the distribution power table stores the supply source house number, the power sale power (each house sale power S _i ), the supply house number, and the supply distribution power in association with each other. .
The house number of the supplier is the house number of the customer facility 10 that is a surplus consumer. Sale of electricity power, shows each mansion power purchase power S _i of the consumer facility 10 indicated by the supplier House number. The supply house number indicates the house number of each customer facility of the shortage consumer of the accommodation destination where the customer facility 10 of the corresponding supply house number accommodates surplus power. The supply distribution power indicates the power that the customer facility 10 of the corresponding supply source house number allocates and distributes to each of the customer facilities of the shortage customers of the accommodation destination.
Here, when there is a large amount of power shortage among the shortage consumers and power is exchanged from a plurality of surplus consumers, the amount of surplus power at the surplus consumers is large, and power is supplied to a plurality of shortage consumers. Sometimes it is flexible.

Returning to FIG. 3, the image control unit 301 refers to the measurement value table of the display data storage unit 309 from above, and displays the customer facility image of the customer facility 10 including the house number of the customer facility 10 (not shown). ) Is displayed on the display screen.
The bar graph display unit 305 refers to the measurement value table of the display data storage unit 309 from above, and the power generation amount of the customer facility 10 corresponding to each house number in the customer facility image (each house photovoltaic power generation P _i ). The charge amount (recharge power C _{i for} each residence) and the discharge amount (discharge power D _{i for} each residence) are read out. In addition, the bar graph display unit 305 has, in the vicinity of each customer facility image, a power generation amount corresponding to the customer facility 10 having the house number of each customer facility image (each house photovoltaic power generation P _i ), charging. The amount (each house charging power C _i ) and the amount of discharge (each house discharging power D _i ) are displayed as images.

  The flexible power line display unit 306 refers to the distribution power table of the display data storage unit 309, and in the order of the house number, each house number of the short-measured consumer to which the surplus consumer customer facility 10 supplies power, It reads out the supply distribution power that can be accommodated by the shortage customer indicated by the house number. Then, the interchangeable power line display unit 306 indicates that power is interchanged from the customer facility image of the customer facility 10 of the surplus consumer to the customer facility image of the customer facility 10 of the insufficient customer. Display power line image. The interchangeable power line display unit 306 indicates that power is interchanged from the customer facility image of the surplus consumer customer facility 10 to the customer facility image of the shortage customer facility 10 with respect to the power line image. An arrow may be added.

  Here, the interchangeable power line display unit 306, when drawing a power line image of a shortage customer whose supply distribution power is accommodated from a plurality of surplus consumers, displays the power line image connected to the customer facility image of the shortage consumer. In the terminal part, the power line images starting from the surplus consumers are collectively drawn as one power line image. In addition, the interchangeable power line display unit 306 corresponds to the amount of power of the supply distribution power accommodated in the thickness of the power line of the power line image. That is, the interchangeable power line display unit 306 draws the power line image with a wider power line width or a darker power line image as the amount of power increases. That is, the amount of power is expressed by the width of the power line image or the density of the power line image.

The electric energy bulb display unit 307 refers to the distributed power table of the display data storage unit 309, and in the order of the house number, each house number of the short-measured consumer to which the surplus consumer customer facility 10 supplies power. Then, the supply distribution power that can be accommodated by the shortage customer indicated by the house number is read out.
The electric energy bulb display unit 307 draws a circle around the customer facility image, and draws a first electric energy bulb image that moves along the circle. This 1st electric power bulb has a diameter corresponding to the amount of electric power of the supply distribution power which the customer facility 10 of the customer facility image accommodates to another customer facility 10. In addition, the first power sphere image may be drawn so that the customer facility 10 in the customer facility image moves at a speed corresponding to the amount of power of the distributed power supply that can be accommodated in the other customer facility 10. Further, the first power amount sphere image represents the amount of power of supply distribution power that the customer facility 10 of the customer facility image accommodates to other customer facilities 10 by the number of spheres (for example, one per 1 kW). May be.

  Moreover, the electric energy bulb | ball display part 307 is the consumer of the customer facility 10 of a deficient consumer from the customer facility image of the customer facility 10 of a surplus consumer along the power line image which the interchangeable power line display part 306 draws. The second power sphere image that moves to the facility image is drawn. The second power sphere image has a diameter corresponding to the amount of power that can be accommodated from the customer facility image of the customer facility 10 of the surplus consumer to the customer facility image of the customer facility 10 of the insufficient customer. Yes. Further, the second electric energy bulb image moves at a speed corresponding to the amount of electric power that can be accommodated from the customer facility image of the customer facility 10 of the surplus consumer to the customer facility image of the customer facility 10 of the insufficient customer. You may draw as follows. Further, the second power sphere image is based on the number of spheres (for example, one per 1 kW), from the customer facility image of the customer facility 10 of the surplus consumer, and the customer facility image of the customer facility 10 of the insufficient customer. It is also possible to express the amount of power that can be accommodated.

FIG. 9 is a diagram showing a display screen of a display device that indicates the interchange of surplus power between customer facilities 10 in the power management system of the present embodiment. FIG 9 are all customers facility 10 is insufficient consumer of power management area 1, the receiving end image 506 (This receiving end is flexible area receiving point J in FIG. 4) were missing from the system power supply via the power Shows if you have purchased.
In the customer facility image 500, characters of the house number (for example, “NO. 108”) of the customer facility 10 are drawn. In the vicinity (for example, the upper part) of the customer facility image 500, each power of the charge amount (each house charge power Ci), the discharge amount (each house discharge power Di), and the power generation amount (each house photovoltaic power generation Pi). A bar graph image 510 showing the amount is drawn.

Here, since all of the customer facilities 10 purchase power from the system power supply via the power receiving end (the power receiving end indicated by the power receiving end image 506), the power line image 504 is the power receiving end (the power receiving end indicated by the power receiving end image 506). The interchangeable power line display unit 306 is drawn as an image of a power line with an arrow pointing from each end to each customer facility 10.
In addition, in the circular image 503 drawn on the outer periphery of the customer facility image 500, the first electric energy bulb image 502 moving along the circular image 503 is drawn by the electric energy bulb display unit 307. The first power sphere image 502 is drawn so that the diameter of the first power sphere or the moving speed of the first power sphere changes according to the amount of power supplied from the power receiving end of the power receiving end image 506. The Further, the first power amount sphere image 502 may represent the amount of power supplied from the power receiving end of the power receiving end image 506 by the number of spheres (for example, one per kW).

Similarly, a second power sphere image 505 that moves from the power receiving end image 506 toward the customer facility image 500 along the power line image 504 is drawn by the power sphere display unit 307. The second power sphere image 505 is drawn so that the diameter of the second power sphere or the moving speed of the second power sphere changes according to the amount of power supplied from the power receiving end of the power receiving end image 506. The The second power amount sphere image 505 may represent the amount of power supplied from the power receiving end of the power receiving end image 506 by the number of spheres (for example, one per 1 kW).
Each of the circle image 503, the first power amount sphere image 502, and the second power amount sphere image 505 is drawn with, for example, “red” because insufficient power is supplied.
In each of the other customer facility images from “NO. 109” to “NO. 114”, the same power line image, first power sphere image, and second power sphere image as the customer facility image 500 described above. Drawing is done.

FIG. 10 is a diagram showing a display screen of a display device that indicates the interchange of surplus power between customer facilities 10 in the power management system of the present embodiment. FIG. 10 is, are all of the customers facility 10 surplus consumer of power management area 1, it can not be flexible surplus power to any of the customers facility 10 of the power within the management area 1. For this reason, the case where surplus power is sold (reverse power flow) to the system power supply via the power receiving end image 506 (this power receiving end is the interchange area power receiving point J in FIG. 4) is shown.
Similarly to FIG. 9, characters of the house number (for example, “NO. 108”) of the customer facility 10 are drawn in the customer facility image 500. In the vicinity (for example, the upper part) of the customer facility image 500, each power of the charge amount (each house charge power Ci), the discharge amount (each house discharge power Di), and the power generation amount (each house photovoltaic power generation Pi). A bar graph image 510 showing the amount is drawn.

Here, since all of the customer facilities 10 sell power to the system power supply via the power receiving end (power receiving end indicated by the power receiving end image 506), the power line image 514 receives power from each customer facility 10. The interchanged power line display unit 306 is drawn as an image of the power line with the arrow pointing to the end (the power receiving end indicated by the power receiving end image 506). Here, the flexible power line display unit 306 renders the power line image with a wider power line width or a darker power line image as the amount of power increases. That is, the amount of power is expressed by the width of the power line image or the density of the power line image.
In addition, in the circular image 513 drawn on the outer periphery of the customer facility image 500, the first electric energy bulb image 512 moving along the circular image 513 is drawn by the electric energy bulb display unit 307. The first power sphere image 512 is such that the diameter of the first power sphere or the speed of movement of the first power sphere changes according to the amount of power flowing backward to the power receiving end of the power receiving end image 506. Drawn. The first power amount sphere image 512 may represent the amount of power that flows backward with respect to the power receiving end of the power receiving end image 506 by the number of spheres (for example, one per 1 kW).

Similarly, a second power amount sphere image 515 moving from the power receiving end image 506 toward the customer facility image 500 is drawn by the power amount sphere display unit 307 along the power line image 514. The second power sphere image 515 is drawn so that the diameter of the second power sphere or the moving speed of the second power sphere changes according to the amount of power supplied from the power receiving end of the power receiving end image 506. The
Since each of the circle image 513, the first power amount sphere image 512, and the second power amount sphere image 515 sells surplus power, it is drawn in, for example, “blue”.
In each of the other customer facility images from “NO. 109” to “NO. 114”, the same power line image, first power sphere image, and second power sphere image as the customer facility image 500 described above. Drawing is done.

  FIG. 11 is a diagram showing a display screen of a display device showing interchange of surplus power between customer facilities 10 in the power management system of the present embodiment. In FIG. 11, among the customer facilities 10 in the power management area 1, the customer facility 10 with the house number “NO. 108” is a shortage consumer, and the house number “NO. 109” and the house number “NO. 110”. ", The customer facility 10 of the house number" NO.112 "and the house number" NO.113 "is a surplus consumer, and each of the house number" NO.111 "and the house number" NO.114 "is itself. The power consumption is satisfied with the generated power, and neither the surplus consumer nor the shortage consumer is shown. Further, the shortage of power in the customer facility 10 of the house number “NO. 108” in the power management area 1, the house number “NO. 109”, the house number “NO. 110”, and the house number “NO. 112 ”and the surplus power of each customer facility 10 of the house number“ NO.113 ”are the same, and therefore there is no exchange of power with the system power supply via the power receiving end of the power receiving end image 506.

Similarly to FIG. 9, characters of the house number (for example, “NO. 108”) of the customer facility 10 are drawn in the customer facility image 500. Further, in the customer facility image 520, characters of the house number (for example, “NO. 109”) of the customer facility 10 are drawn. In the customer facility image 530, characters of the house number (for example, “NO.111”) of the customer facility 10 are drawn.
Further, in the vicinity (for example, the upper part) of each of the customer facility image 500, the customer facility image 520, and the customer facility image 530, there is a charge amount (each house charge power C _i ) and a discharge amount (each house discharge power D). A bar graph image 510, a bar graph image 527, and a bar graph image 532 showing the respective power amounts of _i ) and the power generation amount (each house photovoltaic power generation P _i ) are drawn.

  Here, the customer facility 10 with the house number “NO. 108” has the house number “NO. 109”, the house number “NO. 110”, the house number “NO. 112”, and the house number “NO. 113”. From the surplus power. Therefore, the power line image 524 is displayed as an interchangeable power line display as an image of a power line with an arrow pointing from the customer facility image 520 of the house number “NO. 109” to the customer facility image 500 of the house number “NO. 108”. This is drawn by the unit 306. Similarly, from the customer facility images of the house number “NO.110”, the house number “NO.112”, and the house number “NO.113”, the customer facility image 500 of the house number “NO.108” is obtained. A power line image with an arrow pointing is drawn. Here, the flexible power line display unit 306 renders the power line image with a wider power line width or a darker power line image as the amount of power increases. That is, the amount of power is expressed by the width of the power line image or the density of the power line image.

  Further, the customer facility 10 with the house number “NO. 111” has the same power generation and power consumption, and therefore does not receive power supply from any of them and does not allow power to be supplied to any of them. For this reason, a power line image is not drawn with respect to any other customer facility image from the customer facility image of the customer facility 10 of the house number “NO.111”. Similarly to the house number “NO. 111”, the customer facility 10 with the house number “NO. 114” is not supplied with power and does not accommodate any power. For this reason, a power line image is not drawn with respect to any other customer facility image from the customer facility image of the customer facility 10 of the house number “NO.114”.

  In addition, in the circular image 513 drawn on the outer periphery of the customer facility image 500 having the house number “NO. 108”, the first electric energy bulb image 512 moving along the circular image 513 is the electric energy bulb display unit 307. Is drawn. This first electric energy bulb image 512 shows the electric power accommodated from each of the house number “NO. 109”, the house number “NO. 110”, the house number “NO. 112”, and the house number “NO. 113”. Accordingly, the drawing is performed so that the diameter of the first power sphere or the moving speed of the first power sphere changes. In addition, the first electric energy bulb image 512 includes the electric energy accommodated from the house number “NO. 109”, the house number “NO. 110”, the house number “NO. 112”, and the house number “NO. 113”. May be expressed by the number of spheres (for example, one per kW). Similarly, in the circular image 523 drawn on the outer periphery of the house number “NO. 109”, the first electric energy ball image 522 moving along the circular image 523 is drawn by the electric energy bulb display unit 307.

The first power sphere image 522 has a diameter of the first power sphere or a moving speed of the first power sphere according to the amount of power accommodated to the customer facility 10 having the house number “NO.108”. It is drawn to change. The same applies to the circle image and the first electric energy ball image in each of the other house number “NO.110”, house number “NO.112” and house number “NO.113”. Further, the circle image 513 and the power bulb image 512 of the house number “NO.108” are drawn in, for example, “red” because the customer facility 10 of the house number “NO.108” is supplied with power. On the other hand, the circle image and the power bulb image of the house number “NO. 109”, the house number “NO. 110”, the house number “NO. 112”, and the house number “NO. 113” are the house numbers “NO. .108 "is drawn in, for example," blue "because power is interchanged with the customer facility 10.
In the circular image 533 drawn around the customer facility image 530 of the house number “NO.111”, since there is no exchange of power with any of the customer facilities 10, the power sphere image itself is drawn. Not. Similarly, since the house number “NO.114” has no interchange of power with any of the customer facilities 10 in the circle image drawn around the customer facility image, the power bulb image itself is drawn. It has not been.

  In addition, it moves along the power line image 524 from the customer facility image 520 of the customer facility 10 having the house number “NO.109” toward the customer facility image 500 of the customer facility 10 having the house number “NO.108”. The second electric energy sphere image 525 is rendered by the electric energy sphere display unit 307. The second electric energy bulb image 525 is displayed on the second electric bulb according to the electric energy exchanged from the customer facility 10 having the house number “NO. 109” to the customer facility 10 having the house number “NO. 108”. Drawing is performed such that the diameter or the speed of movement of the second power sphere changes. In addition, the second electricity sphere image 525 is obtained from the customer facility 10 of the house number “NO. 109”, the house number “NO. 110”, and the house number “NO. The amount of power accommodated in the facility 10 may be expressed by the number of spheres (for example, one per kW). A power line connecting the customer facility images of the house number “NO.110”, the house number “NO.112” and the house number “NO.113” and the customer facility image 500 of the house number “NO.108” Similarly to the second power amount ball image 525 in the power line image 524 from the house number “NO. 109” to the house number “NO. 108”, the power amount ball image is also drawn on the image.

  FIG. 12 is a diagram showing a display screen of a display device that indicates the interchange of surplus power between customer facilities 10 in the power management system of the present embodiment. In FIG. 12, among the customer facilities 10 in the power management area 1, the customer facility 10 with the house number “NO.108” is a shortage consumer, and the house number “NO.109” and the house number “NO.110”. ”, House number“ NO.111 ”, house number“ NO.112 ”, and house number“ NO.113 ”are surplus consumers, and the customer facility of house number“ NO.114 ” 10 shows a state where the power generated by itself is sufficient for power consumption and is neither a surplus consumer nor a short consumer.

Similarly to FIG. 9, characters of the house number (for example, “NO. 108”) of the customer facility 10 are drawn in the customer facility image 500. Further, in the customer facility image 520, characters of the house number (for example, “NO. 109”) of the customer facility 10 are drawn. In the customer facility image 540, characters of the house number (for example, “NO. 110”) of the customer facility 10 are drawn. In the customer facility image 550, characters of the house number (for example, “NO.114”) of the customer facility 10 are drawn.
Further, in the vicinity (for example, the upper part) of each of the customer facility image 500, the customer facility image 520, the customer facility image 540, and the customer facility image 550, there is a charge amount (recharge power C _{i for} each residence), a discharge amount. A bar graph image 510, a bar graph image 527, a bar graph image 547, and a bar graph image 557 showing the electric power amounts of (the mansion discharge power D _i ) and the power generation amount (each mansion photovoltaic power generation power P _i ) are drawn. Bar graph images are respectively drawn on the upper part of the customer facility images of the house numbers “NO. 111” to “NO. 113”.

Here, the customer facility 10 with the house number “NO. 108” receives the surplus power from each of the house number “NO. 109” and the house number “NO. 112”. For this reason, the power line image 524 is displayed as an interchangeable power line as an image of a power line with an arrow pointing from the customer facility image 520 of the house number “NO. This is drawn by the unit 306. Similarly, a power line image with an arrow pointing to the customer facility image 500 of the house number “NO. 108” is drawn from the customer facility image of the house number “NO. 112”. Here, the flexible power line display unit 306 renders the power line image with a wider power line width or a darker power line image as the amount of power increases. That is, the amount of power is expressed by the width of the power line image or the density of the power line image.
In addition, the customer facility 10 with the house number “NO. 108” has a reverse power flow with respect to the system power supply. For this reason, the power line image 504 in which the arrow is directed from the customer facility 10 of the house number “NO. Here, the flexible power line display unit 306 renders the power line image with a wider power line width or a darker power line image as the amount of power increases. That is, the amount of power is expressed by the width of the power line image or the density of the power line image.

In addition, the customer facility 10 with the house number “NO.110”, the house number “NO.111”, and the house number “NO.113” also has a reverse power flow with respect to the system power supply. For this reason, the power line image 544 in which the arrow is directed from the customer facility 10 of the house number “NO. 110” to the power receiving end image 506 is drawn by the flexible power line display unit 306. Similarly, a power line image in which an arrow is directed from the customer facility 10 of each of the house number “NO. ing. Here, the flexible power line display unit 306 renders the power line image with a wider power line width or a darker power line image as the amount of power increases. That is, the amount of power is expressed by the width of the power line image or the density of the power line image.
Further, the customer facility 10 with the house number “NO. 114” has the same power generation and power consumption, and therefore does not receive power supply from any of them and does not allow power to be supplied to any of them. For this reason, a power line image is not drawn with respect to any other customer facility image from the customer facility image of the customer facility 10 of the house number “NO.114”.

In addition, in the circular image 513 drawn on the outer periphery of the customer facility image 500 having the house number “NO. 108”, the first electric energy bulb image 512 moving along the circular image 513 is the electric energy bulb display unit 307. Is drawn. The first electric power sphere image 512 has a diameter of the first electric power sphere or the electric power sphere of the first electric power sphere according to the electric energy accommodated from the house number “NO. 109” and the house number “NO. 112”. It is drawn so that the speed of movement changes. In addition, the first electric energy sphere image 512 represents the electric energy accommodated from each of the house number “NO. 109” and the house number “NO. 112” by the number of spheres (for example, one per 1 kW). Also good.
In addition, in the circular image 523 drawn on the outer periphery of the house number “NO. 109”, the first electric energy bulb image 522 moving along the circular image 523 is drawn by the electric energy bulb display unit 307. The first power sphere image 512 is drawn such that the diameter of the first power sphere or the speed of movement of the first power sphere changes according to the amount of power accommodated for the house number “NO.108”. Is done. Also in the customer facility image of the customer facility 10 of the house number “NO.112”, the same drawing as the customer facility image of the customer facility 10 of the house number “NO.109” is performed.

In the circle image 543 drawn on the outer periphery of the customer facility image 540 of the house number “NO.110”, the first electricity bulb image 542 moving along the circle image 543 is drawn by the electricity bulb display unit 307. Is done. The first power sphere image 542 has a diameter of the first power sphere or a moving speed of the first power sphere according to the amount of power that flows backward to the system power supply via the power receiving end of the power receiving end image 506. Is drawn to change. Further, the first power amount sphere image 542 may represent the amount of power that flows backward to the system power supply via the power receiving end of the power receiving end image 506 by the number of spheres (for example, one per kW).
Similarly, in the circular images drawn on the outer peripheries of the house number “NO.111” and the house number “NO.113”, the first electric energy bulb image moving along the circle image is displayed as the electric energy bulb display. Drawing is performed by the unit 307. The customer facility image of each customer facility 10 of the house number “NO.111” and the house number “NO.113” is the same as the customer facility image of the customer facility 10 of the house number “NO.110”. Drawing is performed.

Further, the circle image 513 and the first electric energy bulb image 512 of the house number “NO.108” are supplied with power from the customer facility 10 of the house number “NO.1098”, and thus, for example, “red”. On the other hand, since each circle image and the first electric energy bulb image of the house number “NO.112” are interchanged with the customer facility 10 of the house number “NO.108”, for example, It is drawn in “blue”. In addition, the circular images and the first electricity sphere images of the house number “NO.110”, the house number “NO.111”, and the house number “NO.113” are in reverse power flow to the system power supply. For example, it is drawn in “blue”.
Further, the customer facility 10 with the house number “NO. 114” has the same power generation and power consumption, and therefore does not receive power supply from any of them and does not allow power to be supplied to any of them. For this reason, the first power ball is not drawn on the circle image 553 corresponding to the customer facility image of the customer facility 10 having the house number “NO.114”.

A second power sphere image 505 that moves from the customer facility image 500 toward the power receiving end image 506 along the power line image 504 is drawn by the power sphere display unit 307. The second power sphere image 505 is drawn so that the diameter of the second power sphere or the moving speed of the second power sphere changes according to the amount of power supplied from the power receiving end of the power receiving end image 506. The The second power amount sphere image 525 may represent the amount of power supplied from the power receiving end of the power receiving end image 506 by the number of spheres (for example, one per 1 kW).
In addition, it moves along the power line image 524 from the customer facility image 520 of the customer facility 10 having the house number “NO.109” toward the customer facility image 500 of the customer facility 10 having the house number “NO.108”. The second electric energy sphere image 525 is rendered by the electric energy sphere display unit 307. The second electric energy bulb image 525 is displayed on the second electric bulb according to the electric energy exchanged from the customer facility 10 having the house number “NO. 109” to the customer facility 10 having the house number “NO. 108”. Drawing is performed such that the diameter or the speed of movement of the second power sphere changes. Further, the second electric energy sphere image 525 indicates the amount of electric power accommodated from the customer facility 10 having the house number “NO. 109” to the customer facility 10 having the house number “NO. 1 piece per).
In addition, a second power sphere image 545 that moves from the customer facility image 540 toward the power receiving end image 506 along the power line image 544 is drawn by the power sphere display unit 307. The second power sphere image 545 is drawn so that the diameter of the second power sphere or the moving speed of the second power sphere changes according to the amount of power supplied from the power receiving end of the power receiving end image 506. The The second power amount sphere image 545 may represent the amount of power supplied from the power receiving end of the power receiving end image 506 by the number of spheres (for example, one per 1 kW).

FIG. 13 is a flowchart illustrating an example of a process for generating a diagram illustrating the interchange of power between the customer facilities 10 in the power management system according to the present embodiment.
Step S10:
The image control unit 301 supplies each house purchased power K _i (purchased power), each house sold power S _i (power sold power), and each house solar power P _i (generated power) supplied from each customer facility 10. ), Each house charge power C _i (charge power), each house discharge power D _i (discharge power), each measured value of each house power consumption L _i (power consumption) is identified to the consumer facility 10 that has been supplied. Along with the house number which is identification information, it is written and stored in the measurement value table of the display data storage unit 309.
In addition, the image control unit 301 resets a timer provided inside itself (not shown) to “0” and newly starts a timer timing process.

Step S11:
The surplus consumer extraction unit 302 refers to the measurement value table of the display data storage unit 309 and selects, for example, the customer facility 10 in order from the top of the measurement value table. As another method for selecting the customer facility 10, a method for sequentially selecting the customer facility 10 to be evaluated, such as from the smaller house number of the customer facility 10 to the larger house number, or from the larger house to the smaller house number. Any method may be used.

Step S12:
The surplus customer extraction unit 302 determines whether or not the power sales power of the selected customer facility 10 exceeds “0”. And the surplus consumer extraction part 302 advances a process to step S13, when the electric power sales power of the consumer facility 10 exceeds "0", ie, the consumer facility 10 has surplus electric power. On the other hand, if the sold power of the customer facility 10 is “0”, that is, if the customer facility 10 does not have surplus power, the surplus consumer extraction unit 302 advances the processing to step S11.

Step S13:
Next, the surplus consumer extraction unit 302 sets the extracted customer facility 10 as a surplus consumer, and associates the surplus consumer table in the display data storage unit 309 with the house number of each residence to generate power and sell power. Each of unaccompanied power, direct accommodative power, discharge accommodative power, discharge power, and charging power is written and stored in association with each other. Here, the surplus customer extraction unit 302 writes the sold power in the unacquired power column. Further, unaccommodated power indicates surplus power that has not been determined by the customer facility as the accommodation destination in the entire sold power.
In addition, the surplus consumer extraction unit 302 uses the extracted electricity sales power of the customer facility 10 as direct accommodation power accommodated from the generated power of the solar battery 101 and discharge accommodated as discharge power from the storage battery 103. It is separated into the electricity for accommodation. At this time, the surplus consumer extraction unit 302 divides the sold power of the customer facility 10 into each of the direct accommodation power and the discharge accommodation power based on, for example, the ratio of the generated power and the discharge power.

Step S14:
The shortage consumer extraction unit 303 refers to the measurement value table of the display data storage unit 309, for example, searches the customer facility 10 in order from the top of the measurement value table, and the purchased power is not “0”. That is, the customer facility 10 that has insufficient power and cannot stand on its own is extracted.

Step S15:
Next, the shortage customer extraction unit 303 sets the extracted customer facility 10 as a shortage customer, causes the shortage customer table of the display data storage unit 309 to correspond to the house number of each residence, and generates power, purchased power, (Under power, discharge power) and charging power are written and stored in association with each other. Here, the shortage customer extraction unit 303 writes the purchased power in the column of shortage power. In addition, the shortage power indicates the power that is not determined by the customer facility as the power interchange source in the entire purchased power, that is, the power shortage with respect to the purchased power.

Step S15:
The surplus power distribution unit 304 refers to the surplus consumer table in the display data storage unit 309 and reads out the unaccompanied power of the surplus consumer customer facility 10.
Then, the surplus power distribution unit 304 selects the customer facility 10 whose insufficient power is not “0” in order from the insufficient customer table of the display data storage unit 309.
The surplus power distribution unit 304 subtracts the insufficient power of the customer facility 10 of the short customer from the unaccepted power of the customer facility 10 of the surplus customer.

At this time, if the subtraction result of the insufficient power from the unacquired power is positive, the surplus power distribution unit 304 subtracts the unacquired power from the surplus consumer customer facility 10 in the surplus consumer table of the display data storage unit 309. Is overwritten. In addition, when the result of subtracting the insufficient power from the unacquired power is positive, the surplus power distribution unit 304 has the insufficient power consumption of the customer facility 10 of the short customer currently selected in the short customer table of the display data storage unit 309. “0” is written to.
On the other hand, when the subtraction result of the insufficient power from the unacquired power is negative, the surplus power distribution unit 304 sets “0” to the unacquired power of the customer facility 10 of the surplus consumer in the surplus consumer table of the display data storage unit 309. Write. In addition, the surplus power distribution unit 304 overwrites the absolute value of the subtraction result on the shortage power of the customer facility of the short customer currently selected in the short customer table of the display data storage unit 309.

Then, the surplus power distribution unit 304 selects the consumer facility 10 of the shortage consumer whose shortage power is not “0” until the unacquired power of the customer facility 10 of the surplus consumer currently being processed becomes “0”. Then, the process of subtracting the insufficient power from the above-mentioned unacquired power and allocating the unacquired power to the customer facility 10 of the insufficient customer is performed.
Further, if there is no customer facility 10 of a short customer whose shortage power is not “0” in the shortage customer table of the display data storage unit 309, the surplus power distribution unit 304 uses the unacquired power at that time as the system power supply. Use reverse power flow (power sold to system power supply).
Here, the surplus power distribution unit 304 associates the distribution power table of the display data storage unit 309 with the house number of the customer facility 101 currently being processed, and the demand of the power selling power (accommodated power) accommodation destination. The house number of the house facility 10 and the supply distribution power, which is a flexible power, are written and stored.

Step S16:
The surplus power allocating unit 304 determines that the surplus consumer currently being processed is in the case where the unaccompanied power of the customer facility 10 of the surplus consumer currently being processed becomes “0” and the accommodation destination of all unacquired power is determined. The process of allocating the surplus power of the customer facility 10 to the customer facility 10 of the insufficient customer is terminated, and the process proceeds to step S17.

Step S17:
Next, the surplus power distribution unit 304 refers to the surplus consumer table in the display data storage unit 309, and the surplus consumer customer facility 10 currently being processed is the last consumer facility 10 to be processed. It is determined whether or not.
At this time, if the surplus consumer's customer facility 10 currently being processed is the last consumer facility 10 to be processed, the surplus power distribution unit 304 advances the process to step S18. On the other hand, if the surplus consumer customer facility 10 currently being processed is not the last consumer facility 10 to be processed, the surplus power distribution unit 304 determines the power consumption of the next surplus consumer customer facility 10. In order to perform the distribution process, the process proceeds to step S11.

Step S18:
The image control unit 301 refers to the measurement value table of the display data storage unit 309 from above, and displays the customer facility image of the customer facility 10 including the house number of the customer facility 10 on the display device. Display on the screen.
The bar graph display unit 305 refers to the measurement value table in the display data storage unit 309 and draws the bar graph image described in each of FIGS. 9 to 12 in the vicinity of the customer facility image of the customer facility 10.
Each of the interchangeable power line display unit 306 and the electric energy bulb display unit 307 refers to each of the distributed power tables in the display data storage unit 309, and the customer facility image of the customer facility 10 is shown in FIGS. Each of the power line image, the circle image, and the power sphere image described in each of the above is drawn.

Step S19:
Next, the image control unit 301 determines whether or not the time measured by a timer provided therein is equal to or longer than a preset setting time (for example, 1 minute).
At this time, the image control unit 301 advances the process to step S10 when the time being measured is equal to or longer than a preset set time. On the other hand, the image control unit 301 repeats the process of step 19 when the time being measured is less than a preset set time.

According to the above-described embodiment, the state of accommodation of the interchanged power between the customer facilities 10 in the power management area 1 which is a community that interchanges power with each other is visualized, and the current TEMS or CEMS power management algorithm is used. it is possible to monitor the power interchange effect of between customer facility 10 to the visual.

In addition, as shown in FIG. 3, the versatile screen display unit 113 is provided with a circular bar graph display unit 308. The circular bar graph display unit 308 displays a circular bar graph that displays the power and the like of each of the customer facilities 10 in the power management area 1.
FIG. 14 is a diagram for explaining a display example of a circular bar graph displayed on the display screen of the display device by the circular bar graph display unit 308.
On the outer periphery of the circle image 600, a power receiving end image 601 (TEMS in FIG. 14) that is an image of the power receiving end connected to the system power source, a customer facility image 701 of the customer facility 10, and a customer facility image 707 are displayed. Each is drawn at equal intervals by the circular bar graph display unit 308. The customer facility image 701 is a house number image 701 a drawn with “29” which is a number indicating the house number of the customer facility 10, and a storage battery image 701 b which is an image showing the storage battery 103 provided in the customer facility 10. , And a hems image 701c that is an image showing a hems (Home Energy Management System) that performs power management in the customer facility 10.

On the outside of the circle image 600, a circle image group 800 in which the distance from the outer periphery of the circle image 600 in the radial direction of the circle image 600 (this outer peripheral surface is a base) indicates a power value is displayed by the circular bar graph display unit 308. Has been drawn.
On the power receiving end image 601, as a bar graph image 810 indicating power, a bar graph of power that the system power supply supplies (sells power) to the customer facility 10 in the power management area 1, and power management A bar graph of power (purchased) in which the customer facility 10 in the region 1 flows backward with respect to the system power supply is drawn by the circular bar graph display unit 308.

  Further, in the customer facility image 701, a bar graph image indicating the amount of electric power sold, electric power sold (purchased electric power), electric power consumption and generated electric power is drawn on the hems image 701c, and is displayed on the storage battery image 701b. Is drawn with a bar graph image indicating the remaining amount of battery, discharge power, and charge power. In each of the customer facility image 702 to the customer facility image 707 of the customer facility 10, each bar graph image is drawn by the circular bar graph display unit 308 similarly to the customer facility image 701. Here, the circular bar graph display unit 308 draws the bar graph image described above with reference to the measurement value table in the display data storage unit 309.

In the circular image 600, a power line image 850 indicating power interchange is drawn by the circular bar graph display unit 308. The circular bar graph display unit 308 refers to each of the measurement value table and the distributed power table in the display data storage unit 309, similarly to the flexible power line display unit 306, and uses the customer facility from the power receiving end image 601 and the customer facility image 701. A power line image 850 showing the power interchange relationship between each of the images 707 is drawn.
Further, the circular bar graph display unit 308 may draw an image of a power sphere that moves along the power line image 850, similarly to the power sphere display unit 307.

According to the above-described embodiment, the power of the interchanged power between the customer facilities 10 in the power management area 1 which is a community where power is mutually shared by the image of the circular bar graph displayed on the circular bar graph display unit 308. flexibility state visualized, it is possible to monitor the interchange effect of power between the consumer facility 10 by the algorithm of the power management of the current TEMS or CEMS visually.

<Explanation of independence rate calculation>
FIG. 15 is a diagram illustrating a configuration example of the independence rate evaluation unit 112 of the intra-compartment area power management unit 11 according to the first embodiment.
In FIG. 15, the independence rate evaluation unit 112 includes a control unit 201, a whole house purchase power calculation unit 202, a whole house sale power calculation unit 203, a whole house generation power calculation unit 204, a whole house charge power calculation unit 205, and a whole house. Discharge power calculation unit 206, condominium power consumption calculation unit 207, interchangeable power amount calculation unit 208, storage battery system charge calculation unit 209, storage battery PV (photovoltaics) charge calculation unit 210, storage battery error power calculation unit 211, area purchased power Each includes a calculation unit 212, an area power sales power calculation unit 213, an independence rate calculation unit 214, and a database 215.

The control unit 201 performs control of data input / output and operation of each unit in the interchange area power management unit 11. In addition, the control unit 201 controls each house purchase power K _i , each house sale power S _i , each house solar power P _i , each house charge power C _i , each house discharge supplied from each customer facility 10. The measured values of the power D _i and the power consumption L _i of each residence are written and stored in the measurement value table of the database 215 together with the residence number which is identification information for identifying the supplied customer facility 10. Each residence purchase power K _i , each residence sale power S _i , each residence solar power P _i , each residence charge power C _i , each residence discharge power D _i , and each residence consumption power L _i is 1 minute. It is a measurement value read out every time, and is an integrated power in a measurement cycle of 1 minute. The measurement value table of the database 215 has the same configuration as the measurement value table shown in FIG. 5 of the display data storage unit 309 in the flexible screen display unit 113 already described.

The whole house purchased power calculation unit 202 integrates each house purchased power K _i supplied from the system watt hour meter 102 of each customer facility 10, that is, each house purchased power K ₁ is calculated from each house purchased power K ₁ . And the house purchase power SUM (K _i ) is calculated as the integration result. The whole house purchased power calculation unit 202 stores the calculated whole house purchased power SUM (K _i ) in a calculated value table of the database 215 with a time stamp indicating the time when the measured value was measured.
All premises power selling power calculation unit 203 integrates each premises power purchase power S _i supplied from the system power meter 102 for each customer facility 10, i.e. each premises power selling power from the premises power selling power S ₁ integrating the respective S _n, to calculate the total residence power purchase power SUM _{(S i)} as the integration result. The entire house sale power calculation unit 203 writes and stores the calculated all house sale power SUM (S _i ) in the calculation value table of the database 215 with a time stamp indicating the time when the measurement value is measured.

Here, when the amount of power supplied from the system watt-hour meter 102 is supplied from the power line 13 to the customer facility 10 (that is, when the amount of power is positive), this amount of power is calculated for each house purchased power K. _i . On the other hand, (ie, when electric energy is negative) if they are supplied to the power line 13 from the customer facility 10, the power amount is the residence power selling power S _i.

All premises generated power calculation section 204 integrates the respective premises generated power P _i supplied from the power meter is provided on the output end of the solar cell 101 of each customer facility 10, i.e. from the premises generated power P ₁ Each of the electric power sales power P _n is integrated, and the total electric power generation SUM (P _i ) is calculated as an integration result. The whole house generated power calculation unit 204 stores the calculated whole house generated power SUM (P _i ) in a calculated value table of the database 215 with a time stamp indicating the time when the measured value is measured.

All premises charging power calculation unit 205 integrates the respective premises charging power C _i supplied from the storage battery power meter 104 for each customer facility 10, i.e., each of the residence charging power C _n from the premises charging power C ₁ And the residence charge power SUM (C _i ) is calculated as the integration result. The whole house charge power calculation unit 205 stores the calculated whole house charge power SUM (C _i ) in a calculated value table of the database 215 with a time stamp indicating the time when the measured value is measured.
All premises discharge power calculation unit 206 integrates the respective premises discharge power D _i supplied from the storage battery power meter 104 for each customer facility 10, i.e., each of the residence discharge power D _n from the premises discharge power D ₁ And the total house discharge power SUM (D _i ) is calculated as an integration result. The whole house discharge power calculation unit 206 stores the calculated whole house discharge power SUM (D _i ) in the calculated value table of the database 215 with a time stamp indicating the time when the measured value is measured.

Here, the amount of power supplied from the grid power meter 102, (ie, when electric energy is positive) when it is charged against the battery 103, the power amount is the residence charging power C _i. On the other hand, (ie, when electric energy is negative) when the power from the battery 103 is discharged, the power amount is the residence discharge power D _i.

The whole house power consumption calculation unit 207 is configured such that each house power consumption L supplied from the grid electricity meter 102 of each customer facility 10 and the electricity meter provided between the solar cell 101 and the power line of the customer facility 10. integrating the _i, i.e. by integrating the respective individual residence power L _n from each premises power L _1, it calculates the total residence power SUM (L _i) as the integration result. The whole house power consumption calculation unit 207 stores the calculated whole house power consumption SUM (L _i ) in a calculated value table of the database 215 with a time stamp indicating the time when the measured value is measured.

FIG. 16 is a diagram illustrating a configuration example of a calculation value table written and stored in the database 215.
The calculated value table includes a whole house purchase power calculation unit 202, a whole house sale power calculation unit 203, a whole house generation power calculation unit 204, a whole house charge power calculation unit 205, a whole house discharge power calculation unit 206, a whole house Whole house purchase power (SUM (K _i )), whole house sale power (SUM (S _i )), whole house power generation (SUM (P _i )), whole house calculated by each of the power consumption calculation units 207 The charging power (SUM (C _i )), the whole house charging power (SUM (D _i )), and the whole house power consumption (SUM (L _i )) are written and stored. This calculated value table is provided with a time stamp added every minute, and one day's worth (because it is every minute, the number of tables is 1440) is generated.

<Calculation of independence rate in power management area 1 when surplus power is accommodated>
Returning to FIG. 15, description of each processing from the interchangeable power amount calculation unit 208 to the independence rate calculation unit 214 when each customer facility 10 in the power management area 1 performs surplus power interchange using TEMS or CEMS. I do. Each of the power consumption calculation unit 208 to the independence rate calculation unit 214 determines the rules and calculations corresponding to the respective case classifications according to the calculation processing using the preset time zone and the measurement values used for the processing. The amount of power is calculated according to the formula. In addition, each of the interchangeable power amount calculation unit 208 to the area power sale power calculation unit 213 performs a process of calculating each power amount in a measurement cycle of one minute. The independence rate calculation unit 214 calculates the independence rate of the power management area 1 in units of one day (for example, the time from 22:00 to 21:59 on the next day).

The accommodation power amount calculation unit 208 calculates the accommodation power amount by adding the power generation direct accommodation power amount, the power generation charging accommodation power amount, and the discharge accommodation power amount. This flexibility amount of power, which shows all of the amount of power that is flexible in each customer facility 10 of the power management area 1.
Here, the interchangeable power amount calculation unit 208 obtains the respective power amounts of the power generation direct interchange power amount, the power generation charge interchange power amount, and the discharge interchange power amount as follows.
When the total house purchase power SUM (Ki) is less than the total house sale power SUM (Si), the accommodation power amount calculation unit 208 sets the whole house purchase power SUM (Ki) as the generated direct accommodation power amount. On the other hand, when the rent purchase power SUM (Ki) exceeds the rent power sale power SUM (Si), the wattage power consumption calculation unit 208 sets the rent power sale power SUM (Si) as the generated direct accommodation power amount. .

In addition, when the result obtained by subtracting the generated direct accommodation power amount from the total house selling power SUM (S _i ) exceeds the whole house charging power SUM (C _i ), the accommodating power amount calculation unit 208 determines the whole house charging power SUM. Let (C _i ) be the amount of electricity generated and charged for accommodation. On the other hand, if the result obtained by subtracting the generated direct accommodation power amount from the whole house power sale SUM (S _i ) is less than the whole house charge power SUM (C _i ), the accommodation power amount calculation unit 208 is the whole house sale power electricity. The result obtained by subtracting the power generation direct accommodation power amount from SUM (S _i ) is defined as the power generation charge accommodation power amount.

In addition, when the result obtained by subtracting the generated direct accommodation power amount from the whole house purchased power SUM (K _i ) exceeds the whole house discharge power SUM (D _i ), the accommodation power amount calculating unit 208 is configured to use the whole house discharge power SUM ( Let D _i ) be the electric energy for discharge accommodation. On the other hand, if the result obtained by subtracting the generated direct accommodation power amount from the whole house purchase power SUM (K _i ) is less than the whole house discharge power SUM (D _i ), the accommodation power amount calculation unit 208 has The result obtained by subtracting the power generation direct accommodation power amount from K _i ) is defined as the discharge accommodation power amount.
The accommodation power amount calculation unit 208 stores the calculated amount of discharge accommodation energy in a power amount table of the database 215 with a time stamp indicating the time when the measurement value used for the calculation is measured.

The storage battery system charge amount calculation unit 209 calculates the storage battery storage battery system charge power amount according to a preset time zone. Here, the storage battery system charged minute amount of power, the charging of the storage battery 103 of each customer facility 10 of the power management area 1 shows the amount of electric power for charging that is flexible from the system power to the battery 103.
Here, the storage battery system charge calculation part 209 calculates | requires the storage battery system charge power amount as follows.
In the case of a preset night time zone (for example, 22: 00 to 7: 59), the storage battery system charge amount calculation unit 209 sets the whole house charge power SUM (Ci) as the storage battery system charge power amount.

Further, the storage battery system charge calculation unit 209 is a case of a daytime time zone (for example, 8: 0 to 21:59) set in advance, and the whole house charging power SUM (C _i ) When the power SUM (Si) is exceeded, the result obtained by subtracting the total house sale power SUM (S _i ) from the total house charge power SUM (C _i ) is defined as the storage battery system charge energy amount.
In addition, the storage battery system charge calculation unit 209 is in the case of a preset daytime time zone, and when the whole house charging power SUM (C _i ) is less than the whole house selling power SUM (S _i ), “ “0” is defined as a storage battery system charge energy amount.
The storage battery system charge calculation unit 209 assigns and stores the calculated storage battery system charge power amount in the power amount table of the database 215 with a time stamp indicating the time when the measurement value used for the calculation is measured.

The storage battery PV charge calculation unit 210 calculates the storage battery PV charge power according to a preset time zone. Here, battery PV charge amount electric energy, in charging of the storage battery 103 of each customer facility 10 of the power management area 1, shows the amount of electric power for charging that is flexible from the electric power generated by the solar battery 101 to the battery 103 Yes.
Here, the storage battery PV charge calculation part 210 calculates | requires the storage battery PV charge power amount as follows.
The storage battery PV charge calculation unit 210 sets “0” as the storage battery PV charge power in the case of a preset night time zone.

Further, the storage battery PV charge calculation unit 210 is in the case of a preset daytime time zone, and when the whole house selling power SUM (S _i ) exceeds the whole house charging power SUM (C _i ), The residence charge power SUM (C _i ) is defined as the storage battery PV charge power amount.
Further, the storage battery PV charge calculation unit 210 is in the case of a preset daytime time zone, and when the whole house selling power SUM (S _i ) is less than the whole house charging power SUM (C _i ), The house sales power SUM (S _i ) is defined as the amount of power stored in the battery PV.
The storage battery PV charge calculation unit 210 writes and stores the calculated storage battery PV charge power amount in the power amount table of the database 215 with a time stamp indicating the time when the measurement value used for calculation is measured.

The storage battery error power calculation unit 211 calculates an error power reception amount charged from the system power supply to the storage battery 103 or a discharge error power amount backflowed from the storage battery 103 to the system power supply according to a preset time zone. . Here, the charge error power amount, the charging of the storage battery 103 of each customer facility 10 of the power management area 1, the system power of wasted system power supply indicates the amount of power charged is used in charging. Reverse power flow error amount of power, in the discharge of the battery 103 of each customer facility 10 of the power management area 1, waste discharge from the battery 103 indicates the amount of power flowing back to the system power supply.

Here, the storage battery error power calculation unit 211 calculates each of the charge error power amount and the discharge error power amount as follows. The storage battery error power calculation unit 211 calculates the charge error power according to a preset time zone.
The storage battery error power calculation unit 211 sets “0” as the charge error power amount in the case of a preset night time zone.
In the case of a preset daytime time zone, the storage battery error power calculation unit 211 sets the storage battery system charge power amount as the charge error power amount.

The storage battery error power calculation unit 211 has the villa purchase power SUM (K _i ) exceeding the villa sale power SUM (S _i ), and the villa purchase power SUM (Ki) When the result of subtracting S _i ) exceeds the total house discharge power SUM (D _i ), “0” is set as the reverse flow error power amount.
Further, the storage battery error power calculation unit 211 indicates that the villa purchase power SUM (K _i ) exceeds the villa purchase power SUM (S _i ), and the villa purchase power SUM (K _i ) If the result of subtracting the power SUM _{(S i)} is smaller than the total residence discharge power SUM _{(D i),} "results from the total residence discharge power SUM _{(D i),} obtained by subtracting the total residence power purchase power SUM _{(S i)} ”Is subtracted from the entire house purchased power SUM (K _i ) as the reverse power error electric energy.

Also, the storage battery error power calculating unit 211, the total residence purchased power SUM _{(K i)} is less than the total residence power selling power SUM _{(S i),} and Zentei purchased power SUM _{(K i)} from all the premises power sale power SUM _{(S i)} the result of subtracting the case of less than the total residence discharge power SUM _{(D i),} the total residence discharge power SUM _{(D i)} the backward flow error power.
The storage battery error power calculation unit 211 stores the calculated reverse flow error power amount in a power amount table of the database 215 with a time stamp indicating the time when the measurement value used for calculation is measured.

The area purchase power calculation unit 212 adds the whole house purchase power SUM (Ki) and the storage battery system charge power amount, and subtracts the power generation direct power consumption amount and the discharge accommodation power amount from the addition result to purchase the area. Ask for power. This area purchase power, actually is each customer facility 10 of the power management area 1, is a power that was receiving the system power from the system power supply.
In addition, the area purchase power calculation unit 212 subtracts the charge error power amount from the obtained area purchase power, and the ideal area purchase power in the case where the accommodation control is ideally performed and the grid power is not supplied and supplied extra. Ask.

Further, the area purchased power calculation unit 212 adds the amount of electric power for discharge accommodation to the obtained area purchased power, and subtracts the amount of electric power for charging the storage battery system from the addition result, so that the customer facility 10 in the power management area 1 The storage battery-free area purchase power, which is the area purchase power when the storage battery 103 is not provided in each of these, is obtained.
In the calculation of the area purchase power, each of the storage system power charge amount, the direct power generation power amount, the discharge power amount, and the charge error power amount uses the numerical values of the calculation results divided as described above. The
The area purchase power calculation unit 212 assigns the calculated area purchase power, ideal area purchase power, and storage battery-free area purchase power to the power amount table of the database 215 with a time stamp indicating the time when the measurement value used for the calculation was measured. To write and memorize.

The area selling power calculation unit 213 adds the whole house selling power SUM (Si) and the electric power for discharge accommodation, and subtracts the electricity consumption from the addition result to obtain area electricity selling power. This area power selling power actually each customer facilities 10 of the power management area 1, a power obtained by the backward flow of the generated power with respect to the system power source.
In addition, the area power selling power calculation unit 213 subtracts the reverse power flow error power amount from the obtained area power selling power, and the accommodation control is ideally performed, and the power flow is not excessively reversed. Find the ideal area power sales power.

Moreover, the area purchase power calculation part 212 adds the amount of electric power for storage battery PV charge with respect to the calculated area sale electric power, and when the storage battery 103 is not provided in each of the customer facilities 10 of the power management area 1 The area selling power without storage battery, which is the area selling power, is obtained.
In the calculation of the area purchase power, each of the accommodative power amount, the discharge accommodative power amount, the reverse flow error power amount, and the storage battery PV charge power amount uses the numerical value of the calculation result divided as described above.
The area purchased power calculation unit 212 stores the calculated area sold power, ideal area sold power, and storage battery-less area sold power in the power amount table of the database 215 and indicates a time stamp indicating the time when the measured value used for the calculation was measured. Is written and stored.

FIG. 17 is a diagram illustrating a configuration example of an electric energy table written and stored in the database 215.
The power amount table includes a flexible power amount calculation unit 208, a storage battery system charge calculation unit 209, a storage battery PV charge calculation unit 210, a storage battery error power calculation unit 211, an area purchase power calculation unit 212, and an area power sale power calculation unit. 213 calculated by each of 213, the amount of electric power for discharge, the amount of electric power for charging the storage battery system, the amount of electric power for charging the storage battery PV, the amount of electric power for charging the storage battery, the amount of charging error power, the amount of reverse power flow error, the amount of purchased power Each of the amount of electric power, area purchased power without storage battery, area sold power, ideal area sold power, and area sold power without storage battery is written and stored. This power amount table is provided with a time stamp added every minute, and one day's worth (because it is every minute, the number of tables is 1440) is generated.

Returning to FIG. 15, the independence rate calculation unit 214 integrates the area purchase power, which is an integrated value of power per minute, for one day of the measured measurement period, and sets the integration result as the one-day area purchase power. In addition, the independence rate calculation unit 214 integrates the whole house power consumption SUM (L _i ), which is an integrated value of power per minute, for one day corresponding to the measured measurement cycle, and the integrated result is calculated for the entire day. The power consumption of the residence.
Then, the independence rate calculation unit 214 calculates the independence rate of the power management area 1 by dividing the daily area purchased power by the daily whole house power consumption and subtracting the division result from “1”.

  Further, the self-sustained rate calculation unit 214 integrates storage battery-free area purchased power, which is an integrated value of power per minute, for one day of the measured measurement cycle, and sets the integrated result as daily storage battery-free area purchased power. . The independence rate calculating unit 214 divides the daily purchased battery-free area purchased power by the daily whole house power consumption, and subtracts this division result from “1” to each customer facility 10 in the power management area 1. An independence rate without a storage battery, which is an independence rate of the power management area 1 when the storage battery 103 is not provided, is calculated.

Moreover, the independence rate calculation unit 214 subtracts the independence rate without a storage battery from the independence rate, and obtains a storage battery independence rate difference that is a difference between the independence rate and the independence rate without a storage battery. This storage battery self-sustained rate difference is used as an index for decreasing the self-supporting rate when there is no storage battery 103.
Further, the self-sustained rate calculation unit 214 integrates the entire house power generation SUM (P _i ), which is an integrated value of power per minute, for one day of the measured measurement cycle, and the integration result is calculated for one day. Use electricity. The independence rate calculating unit 214 integrates the entire house selling power SUM (S _i ), which is an integrated value of power per minute, for one day of the measured measurement cycle, and the accumulated result is used for the entire house selling power for one day. Use electricity.
Further, the self-sustained rate calculation unit 214 subtracts the daily house power sale power from the daily house power generation power, divides the subtraction result by the day house power consumption, and the customer facility 10 in the power management area 1 The independence rate without interchange is obtained when each of the above does not allow surplus power.

FIG. 18 is a flowchart illustrating an example of a calculation process for obtaining the independence rate of the power management system according to the present embodiment.
Step S0:
When starting the calculation of the independence rate, the control unit 201 sets a timer (not shown) to “22:00 (22:00)” and sets the time, that is, initializes the timer. And the control part 201 starts the operation | movement of time measurement with respect to the said timer.

Step S1:
The control unit 201 determines whether or not 1 minute has elapsed from the timer. At this time, if the timer counts 1 minute, the control unit 201 advances the process to step S2. On the other hand, when the timer has not counted 1 minute, the control unit 201 repeats the process of step S1 until 1 minute has elapsed.

Step S2:
The control unit 201 is configured to purchase each house purchased power K _i , each house sold power S _i , each house solar power P _i , each house supplied from each power meter of each customer facility 10 in the power management area 1. The measured values of the charging power C _i , the discharge power D _i of each residence, and the consumption power L _i of each residence are written in the measurement value table of the database 215 together with the residence number that is identification information for identifying the supplied customer facility 10. Let me remember. Each of the measured values acquired at this time is an integrated value for one minute measured by each wattmeter.

Step S3:
The control unit 201 outputs a control signal indicating the start of processing to each unit of the in-compartment-area power management unit 11.
The whole house purchase power calculation unit 202 reads out the house purchase power K _i of all the customer facilities 10 from the measurement value table of the database 215.
Then, the house purchase power calculation unit 202 calculates the house purchase power SUM (K _i ) by integrating the house purchase power Kn from the house purchase power K0. The whole house purchase power calculation unit 202 writes and stores the obtained house purchase power SUM (K _i ) in a calculation value table to which a time stamp indicating the measurement time in the database 215 is given.

In addition, each of the whole house sales power calculation unit 203 to the whole house power consumption calculation unit 207 also sets the measurement values necessary for the calculation to the measurement values in the database 215 in the same manner as the processing of the whole house purchase power calculation unit 202 described above. It is read from the table and added up, and the whole house sale power SUM (S _i ), the whole house generation power SUM (P _i ), the whole house charge power SUM (C _i ), the whole house discharge power SUM (D _i ), and the whole house Each of the power consumptions SUM (L _i ) is calculated.
Then, each of the whole house sales power calculation section 203 to the whole house power consumption calculation section 207 calculates the whole house sale power SUM (S _i ), the whole house power generation power SUM (P _i ), and the whole house charge power SUM. (C _i ), whole house discharge power SUM (D _i ), whole house power consumption SUM (L _i ), respectively, with respect to the calculated value table to which the time stamp indicating the measurement time in the database 215 is given Write and store.

Next, the accommodation power amount calculation unit 208 includes the villa purchase power SUM (K _i ), the villa sale power SUM (S _i ), the villa charge power SUM (C _i ), and the villa discharge power SUM (D _i). ) Is read from the calculation value table of the database 215.
Then, as described above, the accommodation power amount calculation unit 208 obtains each of the power generation direct accommodation power amount, the power generation charging accommodation power amount, and the discharge accommodation power amount according to the case of the predetermined rule. . The accommodation power amount calculation unit 208 calculates the accommodation power amount by adding the calculated power generation direct accommodation power amount, the power generation charging accommodation power amount, and the discharge accommodation power amount. The accommodation power amount calculation unit 208 writes and stores the obtained accommodation power amount in the energy amount table provided with a time stamp indicating the time when the measured value in the database 215 is measured.

  In addition, each of the storage battery system charge amount calculation unit 209 to the area power sale power calculation unit 213 also calculates a calculation value necessary for calculation from the calculation value table of the database 215 in the same manner as the processing of the accommodation power amount calculation unit 208 described above. read out. Then, each of the storage battery system charge amount calculation unit 209 to the area power sale power calculation unit 213 uses the read calculated value and the electric energy obtained by dividing the case according to a predetermined rule, the discharge accommodation power amount, the storage battery Grid charge energy, battery PV charge energy, charge error energy, reverse power error energy, area purchase power, ideal area purchase power, no battery purchase area power, area power sale, ideal area power sale A numerical value for calculating each of the electric power and the area selling power without the storage battery is calculated.

  Each of the storage battery system charge amount calculation unit 209 to the area power sale power calculation unit 213 calculates the discharge interchangeable power amount, the storage battery system charge power amount, the storage battery PV charge power amount, the charge error power amount, and the reverse power error power. Time when the measured value in the database 215 is measured for each of the amount, area purchased power amount, ideal area purchased power amount, area purchased power without storage battery, area sold power, ideal area sold power, and area sold power without battery Is written and stored in the power amount table to which the time stamp indicating is given.

Step S4:
When each of the area power sale power calculation units 213 obtains the respective calculated values from the whole house purchased power calculation unit 202, the control unit 201 determines whether one day has passed since the timer was started with reference to the timer. I do. That is, the control unit 201 determines whether or not the time measured by the timer has reached a preset time (for example, 21:59).
And control part 201 advances treatment to Step S5, when one day has passed since the timer started timing. On the other hand, control part 201 advances processing to Step S1, when one day has not passed since a timer started time-measurement.

Step S5:
The independence rate calculating unit 214 reads area purchased power and area purchased power without storage battery from the daily power amount table of the database 215. The independence rate calculation unit 214 reads the area purchased power for one day and the area purchased power without a storage battery for each day from each of the calculated value tables of the database 215, and integrates them to obtain the daily area purchased power and no daily storage battery. Each area purchase power is calculated.
Similarly, the self-sustained rate calculation unit 214 extracts the entire house power consumption SUM (L _i ), the whole house power generation power SUM (P _i ), and the whole house power sale SUM from each of the calculation value tables of the database 215. By reading out (S _i ) and accumulating each of them, the daily power consumption of the whole residence, the power generation power of the whole day residence, and the power sales power of the whole day residence are calculated.

Then, the independence rate calculation unit 214 uses the daily area purchased power, the daily purchased battery-free area purchased power, the daily whole house power consumption, the daily whole house generated power, and the daily whole house sold power. Each of the rate, the independence rate without storage battery, the difference in independence rate of storage battery, and the independence rate without interchange is calculated, and the process returns to step S0.
At this time, for example, the control unit 201 displays the calculated values calculated by the independence rate calculation unit 214 from the whole house purchased power calculation unit 202 on a display screen of a display unit (not shown), and notifies the user. To do.

<Calculation of independence rate in power management area 1 when surplus power is not available>
Next, description will be given of each processing from the interchanged power amount calculation unit 208 to the independence rate calculation unit 214 when neither the TEMS nor the CEMS is used and each customer facility 10 in the power management area 1 does not interchange surplus power. I do. Hereinafter, the measurement value used for calculating the independence rate different from the case where the surplus power is accommodated and the measurement location of each measurement value will be described.

4 is a diagram has been already described for explaining the measuring points for measuring the measurement of electric energy in each consumer facility 10 of the power management area 1. In the following description, it is assumed that there are n customer facilities 10, for example. FIG. 4 (b) shows a measurement point for measuring a measurement value for determining the self rate when no flexibility with each other in between the power demand of the customers facility 10 to be described later.
In FIG. 4B, the interchange area power receiving point J is a measurement point that serves as a reference for the amount of power supplied from the grid power to the power management area 1 or flowing back from the power management area 1 to the grid power. ji (0 ≦ i ≦ n) is a consumer receiving point in each consumer facility 10. Here, a system watt-hour meter 102 is installed. Other measurement points and measurement values are the same as those in FIG.

  Returning to FIG. 3, each of the interchangeable power amount calculation unit 208 to the independence rate calculation unit 214 divides each case according to a calculation process using a preset time zone and a measurement value used for the process. The amount of power is calculated according to the corresponding rule and calculation formula. In addition, each of the interchangeable power amount calculation unit 208 to the area power sale power calculation unit 213 performs a process of calculating each power amount in a measurement cycle of one minute. The independence rate calculation unit 214 calculates the independence rate of the power management area 1 in units of one day (for example, the time from 22:00 to 21:59 on the next day).

The storage battery system charge amount calculation unit 209 calculates the power amount of each house storage battery system charge amount of each customer facility 10 according to a preset time zone. Here, each residence battery system charged minute amount of power, the charging of the storage battery 103 of each customer facility 10 of the power management area 1 shows the amount of electric power for charging that is flexible from the system power to the battery 103.
Here, the storage battery system charge calculation part 209 calculates | requires each residence storage battery system charge electric energy of each customer facility 10 as follows.
In the case of a preset night time zone (for example, 22: 00 to 7: 59), the storage battery system charge amount calculation unit 209 sets each house charge power Ci as each house battery system charge energy amount.

In addition, the storage battery system charge calculation unit 209 is in the case of a preset daytime time zone (for example, 8: 0 to 21:59), and each house charging power C _i is converted to each house selling power S _i. If exceeding, the result of subtracting the premises power purchase power S _i from each premises charging power C _i and the residence battery system charged minute amount of power.
Also, the storage battery system charging component calculation unit 209 is the case of the time zone during the day that is set in advance, and if the residence charging power C _i is less than the power sale power S _i, each residence accumulator line to "0" It is assumed that the amount of power is charged.
The storage battery system charge amount calculation unit 209 assigns each calculated residence energy value of the storage battery system charge to each house power amount table of the database 215 with a time stamp indicating the house number and the time when the measurement value used for the calculation was measured. To write and memorize.

The storage battery PV charge calculation unit 210 calculates the amount of electric power for each residence battery PV charge of each customer facility 10 according to a preset time zone. Here, battery PV charge amount electric energy, in charging of the storage battery 103 of each customer facility 10 of the power management area 1, shows the amount of electric power for charging that is flexible from the electric power generated by the solar battery 101 to the battery 103 Yes.
Here, the storage battery PV charge calculation part 210 calculates | requires the electric energy for each house storage battery PV charge of each consumer facility 10 as follows.
The storage battery PV charge calculation unit 210 sets “0” as the amount of electric charge for each residence battery PV charge in the case of a preset night time zone.

In addition, the storage battery PV charge calculation unit 210 is in the case of a preset daytime time zone, and when each house sales power S _i exceeds each house charge power C _i , each house charge power C _i is calculated. It is set as the amount of electric power for charging the storage battery PV of each customer facility 10.
Also, the storage battery PV charging component calculation unit 210 is the case of the time zone during the day that is set in advance, and when the premises power selling power S _i is less than the residence charging power C _i, each premises power selling power S _i Is the amount of electric energy for charging each residence battery PV.
The storage battery PV charge calculation unit 210 assigns each calculated residence battery PV charge energy to each house power table of the database 215 with a time stamp indicating the house number and the time when the measurement value used for the calculation was measured. To write and memorize.

The area purchase power calculation unit 212 adds each house purchase power K _i and each house discharge power D _i , subtracts each house battery system charge amount from this addition result, and obtains the purchase power without each house battery. Ask. The purchased power without each storage battery is power purchased from the system power supply of each residence when the storage battery 103 is not provided in each of the customer facilities 10 in the power management area 1.
In addition, the area purchase power calculation unit 212 adds the amount of power charged for each residence battery PV to each residence sale power S _i ) to obtain the sale power without each residence battery. The selling power without each storage battery is power that flows backward to the system power supply of each residence when the storage battery 103 is not provided in each of the customer facilities 10 in the power management area 1.

FIG. 19 is a diagram illustrating a configuration example of each house power amount table written and stored in the database 215.
In each house power amount table, each of the storage battery system charge amount calculated by each of the storage battery system charge amount calculation unit 209 and the area purchase power calculation unit 212, each of the mansion storage battery PV charge energy amount is a demand. It is written and stored in association with the house number of the house facility 10. Each residence power amount table is provided with a time stamp added every minute, and one day's worth (each residence table has 1440 tables) is generated.

Returning to FIG. 15, the independence rate calculating unit 214 integrates each house purchase power Ki, which is an integrated value of power per minute, for one day of the measured measurement period, and the integration result is calculated for each day. And In addition, the independence rate calculation unit 214 integrates each house power consumption Li, which is an integrated value of power per minute, corresponding to the measured measurement period for one day, and the integrated result is calculated as each house power consumption for one day. To do.
Then, the independence rate calculation unit 214 divides the power purchased by each residence per day by the power consumed by each residence per day, and subtracts the division result from “1” to thereby obtain each customer facility 10 in the power management area 1. Calculate the independence rate. Independence rate calculation unit 214, a self-supporting rate of each customer facility 10 obtained, and average at the customer facility 10 of the power management area 1, each residence of the customer facility 10 of the power management area 1 the average free-standing rate Independence rate.

  In addition, the independence rate calculating unit 214 integrates the purchased power without each storage battery, which is an integrated value of power per minute, for one day of the measured measurement cycle, and the integrated result is the non-purchased power for each daily storage battery. And The independence rate calculation unit 214 divides the purchased power with no storage battery for one day by the power consumption for each house for one day, and subtracts the division result from “1”, thereby each of the customer facilities 10 in the power management area 1. The storage battery-free independence rate, which is the independence rate of each customer facility 10 in the power management area 1 when the storage battery 103 is not provided, is calculated.

Independence rate calculation unit 214, the storage battery without independence rate of each customer facility 10 obtained, and average at the customer facility 10 of the power management area 1, the average self-supporting rate of the power management area 1 of the consumer facility 10 The independence rate without each storage battery.
In addition, the independence rate calculation unit 214 subtracts the independence rate without each residence battery from the independence rate of each residence, and obtains each residence battery independence rate difference that is the difference between the independence rate of each residence and the independence rate without each residence battery. Each residence battery independent rate difference is used as an index for lowering each residence independent rate when there is no storage battery 103.

As described above, according to the present embodiment, the independence rate, which is an index for evaluating the TEMS or CEMS system that performs surplus power interchange in each customer facility 10 in the power management area 1, is measured. Without providing a new wattmeter, it can be easily obtained from the measured value of the existing wattmeter. Thus, when the development of TEMS or CEMS system, it is possible to easily perform the precision of the distribution between each consumer facility 10 of the surplus power in the algorithm flexibility.

In addition, according to the present embodiment, the power management area 1 in the case where surplus power is accommodated using TEMS or CEMS, and the power management area 1 in which surplus power is not accommodated without using either TEMS or CEMS. for calculating the respective premises autonomous rate is an average value of the customer facility 10, by comparing each of the autonomous rate and the residence self rate, it facilitates a change in the self-supporting rate by using TEMS or CEMS Can be compared.

FIG. 20 is a graph of the independence rate and each house independence rate obtained by the power management system according to the present embodiment. In FIG. 20, the horizontal axis indicates the date when the independence rate and the independence rate of each residence are obtained, and the vertical axis indicates a percentage display obtained by multiplying the independence rate and each independence rate by 100. Here, by the power management area 1 using the newly TEMS formed in January 2014, by going to adjust the algorithm TEMS by feeding back the autonomous rate, self-standing rate increase gradually, i.e. TEMS It can be seen that the efficiency of surplus power accommodation processing is improved. From the graph of FIG. 10, by using a well-tuned TEMS, improved power independence rate of the power management area 1, as compared to the case of self-supporting a customer facility 10 individually, superior from the viewpoint of energy saving It turns out that it is.

As described above, the present embodiment can evaluate the tuning result of the algorithm that performs surplus power accommodation in TEMS and CEMS based on the self-sustaining rate, and can easily contribute to the efficiency of surplus power accommodation.
Further, the present embodiment, it is possible to show that in terms TEMS and CEMS is energy-saving, it is superior to perform power control on each customer facility 10 alone, more energy saving of power consumption in each consumer facility 10 It can contribute to promoting the conversion.
As a result of tuning the algorithm for visualizing the power interchanged between the customer facilities 10 by displaying the independence rate in each of FIG. 9 to FIG. 12, and further accommodating the surplus power in TEMS and CEMS Can be easily confirmed.

<Another embodiment of calculating the independence rate>
Hereinafter, other embodiments of the present invention will be described with reference to the drawings. FIG. 21 is a diagram illustrating a configuration example of a power management system according to another embodiment of the present invention. The power management system in the present embodiment, as in the embodiment described above, generates power in customer facilities such as houses, commercial facilities, and industrial facilities corresponding to a plurality of customers in a power management region that is a predetermined region range. , TEMS, CEMS, etc. collectively manage. In FIG. 21, the same components as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted. Only the configuration and operation different from the first embodiment will be described below.

The power management system of the present embodiment performs power management for the electrical equipment provided for each of a plurality of customer facilities 10 'in a certain range of regions shown as power management region 1' in FIG. The power management area 1 ′ includes a customer facility 10, a power management area power management unit 11 ′, and a power rate calculation unit 12. System power is supplied from a commercial power source to each customer facility 10 ′ via the power line 13.
Power management system according to another embodiment is different from the first embodiment in the construction of the storage battery 103 in each consumer facility 10 'to supply power and reverse power flow directly against the power line 13.

In this second embodiment, each of the customer facility 10 can not be used directly to power of the storage battery 103 is disposed to itself. In other words, 'in, each customer facility 10' power management area 1-acid battery 103 is shared by the power management area 1 'within.
FIG. 22 is a diagram illustrating a configuration example of the interchange area power management unit 11 ′ according to another embodiment.
In FIG. 22, 'the power management unit 111 in the' interchange area the power management unit 11, 'a battery 103 provided, as if the power management area 1' each customer facility 10 as a storage battery provided in the The point to be controlled is different from the first embodiment.
Further, the independence rate calculation unit 112 calculates the independence rate in the power management area 1 ′ in the same manner as in the first embodiment.

Figure 23 is a diagram illustrating the measurement points for measuring a measured value of electric energy in each consumer facility 10 of the power management area 1. In the following description, it is assumed that there are n customer facilities 10, for example. Figure 23 shows a measurement point for measuring a measurement value for determining the self rate in mutually flexible to each other at between the power demand the customers facility 10.
The measurement points in FIG. 13, the wattmeters installed at the measurement points, and the measurement values measured by the wattmeters are the same as in the first embodiment, and thus the description thereof is omitted.

Returning to Figure 22, self-supporting rate evaluation unit 112, the configuration of the power management area 1 in the power management system of the first embodiment, the configuration of the power management area 1 'in the power management system in the second embodiment Any of these can be used in common.
As described above, according to the present embodiment, the independence rate, which is an index for evaluating the TEMS or CEMS system that performs surplus power interchange in each customer facility 10 ′ in the power management area 1 ′, Without providing a new wattmeter for measurement, it can be easily obtained from the measured value of the existing wattmeter. Thus, when the development of TEMS or CEMS system, it is possible to easily perform the precision of the distribution between each consumer facility 10 of the surplus power in the algorithm flexibility.

Further, a program for realizing the calculation of the self-sustaining rate in the accommodation area power management unit 11 in FIG. 2 and the accommodation area power management unit 11 ′ in FIG. 22 is recorded on a computer-readable recording medium. the recorded program read into the computer system, may be evaluated treatment of autonomous rate in consumer facility 10 or the customer facility 10 'by executing the. Here, the “computer system” includes an OS and hardware such as peripheral devices.

As described above, in a community composed of a plurality of customer facilities, when the generated power of one customer facility exceeds the power consumption, this surplus power is transferred to other customer facilities whose power consumption exceeds the generated power. On the other hand, flexible processing is performed.
If the power interchange process in the community is appropriately performed, the power independence rate in the community is improved.
However, in general, the independence rate for each customer facility can be calculated, but visualization of the power interchange between the customer facilities 10 when power is interchanged in the entire community, or the power management area that is the community The independence rate in 1 cannot be obtained. It is important to display the diagram of the interchange monitoring for the display device for visualization of the interchange power in the community and calculate the independence rate as an index for improving the efficiency of the interchange processing of the power, as already explained. This embodiment can be realized.

Further, the “computer system” includes a homepage providing environment (or display environment) if a WWW system is used.
The “computer-readable recording medium” refers to a storage device such as a flexible medium, a magneto-optical disk, a portable medium such as a ROM and a CD-ROM, and a hard disk incorporated in a computer system. Furthermore, the “computer-readable recording medium” dynamically holds a program for a short time like a communication line when transmitting a program via a network such as the Internet or a communication line such as a telephone line. In this case, a volatile memory in a computer system serving as a server or a client in that case, and a program that holds a program for a certain period of time are also included. The program may be a program for realizing a part of the functions described above, and may be a program capable of realizing the functions described above in combination with a program already recorded in a computer system.

  The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration is not limited to this embodiment, and includes design and the like within a scope not departing from the gist of the present invention.

1 ... Power management area 10 ... customer facility 11, 11 '... interchange area power management unit 12 ... power rate calculation unit 13 ... power line 101 ... solar cell 102 ... system power meter 103 ... battery 104 ... battery power meter 105 ... Storage battery control unit 111, 111 '... Power management unit 112 ... Independence rate evaluation unit 113 ... Interchange screen display unit 201 ... Control unit 202 ... Whole house purchase power calculation unit 203 ... Whole house sales power calculation unit 204 ... Whole house power generation Electric power calculation unit 205 ... Whole house charge power calculation part 206 ... Whole house discharge power calculation part 207 ... Whole house power consumption calculation part 208 ... Flexible power amount calculation part 209 ... Storage battery system charge part calculation part 210 ... Storage battery PV charge part calculation part 211 ... Storage battery error power calculation unit 212 ... Area purchase power calculation unit 213 ... Area power sale power calculation unit 214 ... Independence rate calculation unit 215 ... Database 300, 4 0 ... network 301 ... image control unit 302 ... excess customer extraction unit 303 ... insufficient customer extraction unit 304 ... surplus power distribution unit 305 ... circular bar graph display 306 ... power interchanged line display unit 307 ... electric energy ball display unit 308 ... Circular bar graph display unit 309 ... display data storage unit

Claims (7)

In power management area, the plural customers facilities including customer facility comprising a storage battery and a power generator as electrical equipment connected to the common power supply line, the power management system with surplus power mutual interchange between the customer facility,
A surplus consumer extraction unit that extracts the customer facility having surplus power as surplus power,
A short customer extraction unit that extracts the customer facility having the power purchased by each residence as a shortage power as a short customer;
A surplus power distribution unit that distributes the electric power sold by the surplus consumer to the power purchased by the deficient consumer ;
Before SL directed from excess consumers who demand Yoie images demand Yoie image of the missing customer, interchange power line surplus power to display a line-shaped power line image indicating that it is flexible that the surplus power allocation unit is allocated A display unit ;
For example Bei and the circular bar graph display unit to form a circular bar graph,
The circular bar graph display unit displays the customer images indicating each of the customer facilities on a circumference of a circumference of a central circle of the circular bar graph at predetermined intervals, and displays the circular bar graph as the demand Based on the circumference of the central circle at the position of the house facility, in the diameter direction of the central circle, formed outside the central circle,
The interchangeable power line display unit draws the power line image indicating the interchange relationship of power of the consumer image of the shortage consumer from the consumer image of the surplus consumer within the central circle.
Power management system which is characterized a call. An image control unit for displaying a customer facility image indicating each customer facility;
A bar graph display unit for displaying each bar graph of each residence charging power that is the charging power for the storage battery, each residence discharge power that is the discharge power from the storage battery, and each residence generation power that is the generated power of the power generation device ;
Further comprising a,
In the vicinity of the customer image of each of the customer facilities displayed by the image control unit , the bar graph display unit displays the bar graph of each of the mansion charge power, each mansion discharge power, and each mansion generated power. The power management system according to claim 1, wherein an image is displayed. The flexible power line display unit is
3. The power management system according to claim 1, wherein the power line image is displayed with a thickness corresponding to a power amount of surplus power in which a line thickness or shading of the power line image is accommodated. An electric energy sphere display unit that displays a plurality of first sphere images that move along the power line image;
The power sphere display unit is
The excess customer said along said power line image that connects the customer image and said customer image of the lack of demand house, before Symbol excess over - customer of the customer the lack of demand from the image house the customer The power management system according to any one of claims 1 to 3, wherein the first sphere image moving toward the image is displayed. The power sphere display unit is
The excess customer the customer image power management system according to the excess power any one of 請 Motomeko 4 and displaying the second ball image indicating the amount of power around the. The power sphere display unit is
The power management system according to 請 Motomeko 5 you and changing each of the speed of the first ball image and the second ball image, the diameter or number in correspondence with the amount of power. In power management area, the plural customers facilities including customer facility comprising a storage battery and a power generator as electrical equipment connected to the common power supply line, the power management method mutual flexibility between the customer facility surplus power,
A surplus customer extraction unit extracts the customer facility having each power for sale power that is surplus power as a surplus consumer,
A short customer extraction unit that extracts the customer facility having the power purchased by each residence as a shortage power as a short customer;
A surplus consumer extraction unit distributes the power sold by each surplus consumer to the power purchased by each surplus consumer .
Interchange power line display unit, the opposite from surplus consumers who demand Yoie images demand Yoie image of the missing customer, line-shaped power line image indicating that the surplus power surplus power distribution unit is allocated is flexible possess the flexibility power line display process that displays,
Circular bar graph display unit, e Bei a circular bar graph display process of forming a circular bar,
The circular bar graph display unit displays the customer images indicating each of the customer facilities on a circumference of a circumference of a central circle of the circular bar graph at predetermined intervals, and displays the circular bar graph as the demand Based on the circumference of the central circle at the position of the house facility, in the diameter direction of the central circle, formed outside the central circle,
The interchangeable power line display unit draws the power line image indicating the interchange relationship of power of the consumer image of the shortage consumer from the consumer image of the surplus consumer within the central circle.
Power management wherein a call.

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