JP7831002B2 - Power management device and power management system equipped therewith, power management method and power management program - Google Patents

Description

This invention relates to a power management device, a power management system, a power management method, and a power management program that manage the demand and supply of electricity in a region using a mobile device equipped with a battery, such as an electric vehicle.

In recent years, power management systems that allow for the sharing of surplus electricity among residents, office buildings, commercial facilities, factories, and other entities have been adopted in areas including residential areas, commercial buildings, and factories, utilizing solar power generation, cogeneration systems, and storage batteries.
For example, Patent Document 1 discloses a regional energy management device that calculates the amount of power exchanged between consumers based on a battery charge distribution representing the relationship between the time-based location and remaining charge of batteries within a region, the time-based surplus or deficit power of each consumer when each consumer implements an operation plan for power supply equipment to satisfy the target indicators for that consumer, and the target indicators for the entire region.

Japanese Patent Publication No. 2021-52529

However, the conventional regional energy management devices described above have the following problems.
In other words, the regional energy management device disclosed in the above-mentioned publication calculated the amount of power exchanged between consumers based on the surplus or deficit power at each consumer at any given time and the overall target for the region. Therefore, it had the problem that it did not take into account cases where the power peak changes seasonally rather than by time of day, such as in public facilities.

The objective of this invention is to provide a power management device, a power management system, a power management method, and a power management program equipped therewith, which can suppress seasonally fluctuating power peaks using a mobile device equipped with a storage battery.

The power management device according to the first invention is a power management device that uses a mobile unit equipped with a storage battery to share power within a region, and comprises an operation plan information acquisition unit, a storage battery capacity acquisition unit, an event information acquisition unit, and an action plan creation unit. The operation plan information acquisition unit acquires the operation plan of the mobile unit. The storage battery capacity acquisition unit acquires the capacity and output of the storage battery installed in the mobile unit. The event information acquisition unit acquires information regarding the scheduled seasonal events in the region and the amount of electricity planned to be used for those events. The action plan creation unit creates an action plan for the mobile unit to proceed to the event venue based on the mobile unit's operation plan, the total capacity and output of the storage batteries for each mobile unit, and the scheduled and planned electricity usage for the events.

Here, for example, a local government or other entity that owns a mobile vehicle equipped with a battery will create an action plan for the mobile vehicle to reduce peak electricity demand by using the battery installed in the mobile vehicle to cover all or part of the electricity demand generated by seasonal events held at public facilities managed by the local government.
Here, the term "mobile entity" includes vehicles equipped with batteries, such as EVs (Electric Vehicles), PHEVs (Plug-in Hybrid Vehicles), and FCVs (Fuel Cell Vehicles).

Seasonal events include, for example, Coming-of-Age Day (January every year), elementary and junior high school graduation ceremonies (March every year), entrance ceremonies (April every year), Children's Day events (May every year), summer festivals (August every year), sports day (October every year), and Christmas events (December every year).
The operational plan for mobile units includes, for example, regular local patrols (daily rounds), monitoring patrols of rivers and reservoirs, and monitoring patrols during heavy rain and snow seasons.

The mobile entity for which the action plan is created may be singular or plural.
This allows for the creation of an action plan for the mobile vehicle, taking into account the vehicle's operational schedule, the capacity and output of its onboard battery, the dates of seasonal events held in the region, and the planned power usage. This enables the use of power supplied from the vehicle's battery for these events.
Therefore, because it is possible to reduce the peak power demand required during seasonal events, it is possible to suppress seasonally fluctuating power peaks by using mobile vehicles equipped with storage batteries.

The power management device according to the second invention is the same as the power management device according to the first invention, wherein the action plan creation unit creates action plans for multiple mobile bodies.
This allows, for example, local governments or other entities that own multiple vehicles to create action plans to direct multiple vehicles to an event venue, or to direct each vehicle to a different event venue.

The power management device according to the third invention is a power management device according to the first or second invention, further comprising a mobile body information acquisition unit that acquires information regarding the type of mobile body. The action plan creation unit creates an action plan for the mobile body according to its type.

Here, the types of mobile vehicles include, for example, vehicles equipped with batteries, such as EVs (Electric Vehicles), PHEVs (Plug-in Hybrid Vehicles), FCVs (Fuel Cell Vehicles), and two-wheeled or four-wheel drive vehicles.
This allows for the creation of action plans for each mobile vehicle, tailored to its specific characteristics, such as whether it can generate its own power, whether it is two-wheel drive or four-wheel drive, and so on.

The power management device according to the fourth invention is the power management device according to the third invention, wherein the type of mobile body includes whether or not it has self-generation capabilities to store power in a battery while self-propelled.
This allows for the creation of action plans that classify vehicles into categories such as PHEVs and FCVs that can generate their own power, and EVs that cannot. For EVs that cannot generate their own power, the plan can be designed to ensure that enough power is left over for the return trip from the event venue before the event ends.

The power management device according to the fifth invention is a power management device according to the third or fourth invention, wherein the type of mobile body includes two-wheel drive or four-wheel drive.
This means that, for example, four-wheel drive vehicles are given priority for patrols of rivers, reservoirs, and during periods of heavy snowfall. Therefore, when planning transportation to event venues, it is possible to prioritize two-wheel drive vehicles in the action plan.

The power management device according to the sixth invention is a power management device according to any one of the third to fifth inventions, wherein the action plan creation unit creates an action plan for moving objects to proceed to the event venue based on a priority given considering the type of moving object.
As a result, as mentioned above, by selecting vehicles to head to the event venue and creating an action plan based on priorities assigned according to the type of vehicle, such as whether it can generate its own power or whether it is two-wheel drive or four-wheel drive, it becomes possible to share power at the event venue while making the most of the characteristics of each vehicle.

The power management device according to the seventh invention is a power management device according to any one of the first to sixth inventions, wherein the action plan creation unit refers to the operation plan of the mobile body and creates an action plan that directs the mobile body, whose patrol route passes through a base that connects to the event venue, toward the event venue.
This allows for the creation of action plans, such as patrols, tailored to the event schedule, minimizing the power consumed by the mobile vehicle as it travels to the event venue. Consequently, the power from the battery installed on the mobile vehicle can be used efficiently for the event.

The power management device according to the eighth invention is a power management device according to any one of the first to seventh inventions, wherein the action plan creation unit creates an action plan that directs the mobile body with the largest output and capacity of its installed battery to the location with the largest excess demand value.
This allows for the creation of an action plan that directs the mobile unit with the largest battery output and capacity to the location with the highest excess demand, thereby supplying power from the mobile unit for the event expected to have the highest electricity costs.

The power management system according to the ninth invention comprises a power management device according to any one of the first to eighth inventions, and a storage device that stores information regarding the operation plan of the mobile body, the total capacity and output of the batteries for each mobile body, the event schedule, and the amount of electricity to be used.
This makes it possible to suppress seasonally fluctuating power peaks using mobile devices equipped with batteries.

The tenth invention relates to a power management method for sharing power within a region using a mobile unit equipped with a storage battery, and comprises a step of acquiring operational plan information, a step of acquiring storage battery capacity, a step of acquiring event information, and a step of creating an action plan. The operational plan information acquisition step acquires the operational plan of the mobile unit. The storage battery capacity acquisition step acquires the capacity and output of the storage battery installed in the mobile unit. The event information acquisition step acquires information regarding the scheduled seasonal events in the region and the amount of electricity planned to be used for these events. The action plan creation step creates an action plan for the mobile unit to proceed to the event venue, based on the operational plan of the mobile unit, the total capacity and output of the storage batteries for each mobile unit, and the scheduled and planned electricity usage for the events.

Here, for example, a local government or other entity that owns a mobile vehicle equipped with a battery will create an action plan for the mobile vehicle to reduce peak electricity demand by using the battery installed in the mobile vehicle to cover all or part of the electricity demand generated by seasonal events held at public facilities managed by the local government.
Here, the term "mobile entity" includes vehicles equipped with batteries, such as EVs (Electric Vehicles), PHEVs (Plug-in Hybrid Vehicles), and FCVs (Fuel Cell Vehicles).

Seasonal events include, for example, Coming-of-Age Day (January every year), elementary and junior high school graduation ceremonies (March every year), entrance ceremonies (April every year), Children's Day events (May every year), summer festivals (August every year), sports day (October every year), and Christmas events (December every year).
The operational plan for mobile units includes, for example, regular local patrols (daily rounds), monitoring patrols of rivers and reservoirs, and monitoring patrols during heavy rain and snow seasons.

The mobile entity for which the action plan is created may be singular or plural.
This allows for the creation of an action plan for the mobile vehicle, taking into account the vehicle's operational schedule, the capacity and output of its onboard battery, the dates of seasonal events held in the region, and the planned power usage. This enables the use of power supplied from the vehicle's battery for these events.
Therefore, because it is possible to reduce the peak power demand required during seasonal events, it is possible to suppress seasonally fluctuating power peaks by using mobile vehicles equipped with storage batteries.

The eleventh invention relates to a power management program that uses a mobile unit equipped with a battery to share power within a region. The program causes a computer to execute a power management method comprising: an operation plan information acquisition step; a battery capacity acquisition step; an event information acquisition step; and an action plan creation step. The operation plan information acquisition step acquires the operation plan of the mobile unit. The battery capacity acquisition step acquires the capacity and output of the battery installed in the mobile unit. The event information acquisition step acquires information regarding scheduled seasonal events in the region and the amount of electricity planned for use at those events. The action plan creation step creates an action plan for the mobile unit to proceed to the event venue, based on the mobile unit's operation plan, the total battery capacity and output of each mobile unit, and the scheduled and planned event dates and electricity usage.

Here, for example, a local government or other entity that owns a mobile vehicle equipped with a battery will create an action plan for the mobile vehicle to reduce peak electricity demand by using the battery installed in the mobile vehicle to cover all or part of the electricity demand generated by seasonal events held at public facilities managed by the local government.
Here, the term "mobile entity" includes vehicles equipped with batteries, such as EVs (Electric Vehicles), PHEVs (Plug-in Hybrid Vehicles), and FCVs (Fuel Cell Vehicles).

Seasonal events include, for example, Coming-of-Age Day (January every year), elementary and junior high school graduation ceremonies (March every year), entrance ceremonies (April every year), Children's Day events (May every year), summer festivals (August every year), sports day (October every year), and Christmas events (December every year).
The operational plan for mobile units includes, for example, regular local patrols (daily rounds), monitoring patrols of rivers and reservoirs, and monitoring patrols during heavy rain and snow seasons.

The mobile entity for which the action plan is created may be singular or plural.
This allows for the creation of an action plan for the mobile vehicle, taking into account the vehicle's operational schedule, the capacity and output of its onboard battery, the dates of seasonal events held in the region, and the planned power usage. This enables the use of power supplied from the vehicle's battery for these events.

Therefore, because it is possible to reduce the peak power demand required during seasonal events, it is possible to suppress seasonally fluctuating power peaks by using mobile systems equipped with battery storage.

According to the power management device of the present invention, it is possible to suppress seasonally fluctuating power peaks using a mobile device equipped with a battery.

A block diagram showing the configuration of a power management system related to one embodiment of the present invention. A block diagram showing the device configuration of the EMS included in the power management system shown in Figure 1. Figure 2 shows a diagram illustrating the functional blocks formed within the EMS. A schematic diagram showing the relationship between multiple vehicles managed by the power management system in Figure 1 and the facilities (consumers) where events are scheduled to be held. A schematic diagram showing the movement of vehicles to each event venue according to the action plan created by the EMS included in the power management system shown in Figure 1. Figures (a), (b), and (c) show the official vehicle master, official vehicle activity frequency value master, and electricity usage amount coefficient master stored in the storage device shown in Figure 2. Figure 2 shows the master data of the official vehicle operation schedule stored in the storage device. Figure 2 shows the location master data stored in the storage device. Figure 2 shows the excess demand plan master stored in the storage device. (a) and (b) are diagrams illustrating specific examples of the inter-site distance master and inter-site distance stored in the storage device of Figure 2. (a), (b), and (c) are diagrams showing the daily patrol route master, power supply capacity table, and power supply plan table stored in the storage device shown in Figure 2. Figure 2 shows the official vehicle action plan table created by the EMS and stored in the storage device. Figure 2 is a flowchart showing the flow of the power supply capacity calculation process for the power management method performed by the EMS. Figure 2 is a flowchart showing the flow of the action and power supply plan creation process for the power management method performed by the EMS. Figure 2 is a flowchart showing the flow of the action and power supply plan creation process for the power management method performed by the EMS. Figure 2 is a flowchart showing the flow of the action and power supply plan creation process for the power management method performed by the EMS.

A power management device according to one embodiment of the present invention will be described below with reference to Figures 1 to 16.
In this embodiment, unnecessary details may be omitted. For example, detailed explanations of already well-known matters or redundant explanations of substantially identical configurations may be omitted. This is to avoid the following explanation becoming unnecessarily verbose and to facilitate understanding for those skilled in the art.
Furthermore, the applicant provides the accompanying drawings and the following description so that those skilled in the art may fully understand the present invention, and not intends to limit the subject matter described in the claims.

(1) Configuration of the Power Management System 10 The power management system 10 according to this embodiment is a power system that uses a plurality of vehicles (mobile units) V equipped with storage batteries to share power in the region on the days of various seasonal events, thereby suppressing power peaks during events. As shown in Figure 1, it is connected to each consumer in the region (community center, cultural hall, etc.). The power management system 10 includes an EMS (Energy Management System) (power management device) 20 and a storage device 30.

In this embodiment, seasonal events include, for example, coming-of-age ceremonies, Ehomaki festivals, Girls' Day, entrance ceremonies, company induction ceremonies, Children's Day, Tanabata festival, kendo tournaments, shaved ice festivals, sports days, singing contests, lectures, and the like.
The EMS 20 is a power management device that uses a vehicle (mobile unit) V equipped with a storage battery to share electricity within a region, and is connected to multiple Energy Management Systems (EMS) 50 installed at each of several consumers, such as community centers and cultural halls. The EMS 20 receives information on the power status of the multiple consumers and EV charging/discharging devices 52, and transmits commands and other instructions regarding power management to each consumer.

The power supply equipment 51 is installed as a source of electrical energy for each customer and includes, for example, a generator for a cogeneration system, a storage battery, or a photovoltaic generator (PV). In this embodiment, the storage battery installed in a vehicle V, such as an electric vehicle (EV), that stays at each customer is also treated as one of the power supply equipment 51 operated by each customer. As shown in Figure 1, the power supply equipment 51 includes a power conditioner 51a, a PV (photovoltaic) 51b, and a stationary battery 51c.

The power conditioner 51a is a power conditioner that includes an inverter that converts the DC power generated in the PV 51b into AC power, and the power converted to AC is supplied to stationary batteries 51c, EV charging/discharging devices 52, etc. at each customer.
PV51b is, for example, a solar power generation system installed on the roof of each customer to supply at least a portion of the electricity required by each customer, and supplies the DC current generated by converting sunlight to the power conditioner 51a.

The stationary battery 51c stores the power generated by the PV 51b and supplies it to the load equipment 56, etc., via the battery distribution board 55.
The EV charging and discharging device 52 is installed at each customer's location to supply power to vehicles V equipped with batteries, such as electric vehicles, that are staying at the customer's location.
The distribution board 53 is an electrical piece of equipment installed in the section where the power supplied from the power conditioner 51a of the power supply equipment 51 is branched to load equipment 54, 56, etc., and for example, circuit breakers and earth leakage circuit breakers are installed together in it.

The load equipment 54 and 56 are, for example, air conditioning equipment, lighting equipment, etc., installed in each customer's home, and consume the power supplied from the distribution board 53 and the battery distribution board 55.
The battery distribution panel 55 is connected to the stationary battery 51c of the power supply equipment 51, and supplies the power generated by PV 51b and stored in the stationary battery 51c to the load equipment 56.

For example, customer B is provided with a garage GR, as shown in Figure 1, where a vehicle V equipped with a battery is charged while it is staying. When the vehicle V is parked in garage GR, it is charged by the EV charging/discharging device 52, and information such as the charging status of the battery is transmitted to the EMS 50.
In this embodiment, the EMS 20 automatically creates and outputs action plans for multiple battery-equipped vehicles V owned by the local government (city hall) in order to reduce the power peak at each customer, in accordance with seasonal events held at multiple customers, including customers A and B shown in Figure 1.

Here, the multiple vehicles V owned by the local government (city hall) are examples of mobile vehicles equipped with storage batteries. For example, EVs (Electric Vehicles) that run on electricity, PHEVs (Plug-in Hybrid Vehicles) or FCVs (Fuel Cell Vehicles) capable of self-charging their batteries while driving are used (see Figure 6(a)). Furthermore, in this embodiment, vehicles V include two-wheel drive (2WD) vehicles and four-wheel drive (4WD) vehicles, which are used selectively depending on their purpose (daily patrols, emergencies, snowy conditions, etc.).

(2) Configuration of EMS20 As shown in Figure 2, the EMD20 of this embodiment includes a calculation unit 21, ROM 22, RAM 23, display device 24, input device 25, communication device 26, and storage device 27.
The arithmetic unit 21 reads various programs and controls the connected display device 24, input device 25, communication device 26, and storage device 27, etc.

The ROM (Read Only Memory) 22 and RAM (Random Access Memory) 23 store various programs, such as a power management program for implementing the power management method described later.
As a result, in the EMS 20 of this embodiment, the arithmetic unit 21 reads the power management program stored in the ROM 22 or RAM 23 and forms the functional block shown in Figure 3.

In other words, the EMS 20, in order to implement the power management method described later, includes, as shown in Figure 3, an operation plan information acquisition unit 20a, a battery capacity acquisition unit 20b, an event information acquisition unit 20c, a mobile information acquisition unit 20d, and an action plan creation unit 20e.
The operation plan information acquisition unit 20a acquires information regarding the operation plan of each vehicle V, which has been set in advance.

The battery capacity acquisition unit 20b acquires information regarding the capacity and output of the batteries installed in each vehicle V.
The event information acquisition unit 20c acquires information regarding the scheduled seasonal events and the amount of electricity to be used for those events in the area managed by the local government.
The mobile information acquisition unit 20d acquires information regarding the type of each vehicle V (EV, PHV, FCV, or two-wheel drive, four-wheel drive, etc.).

The action plan creation unit 20e creates an action plan for the vehicles V to head to the event venue, based on the operating schedule of the vehicles V, the total capacity and output of the batteries for each vehicle V, the event schedule, and the amount of electricity to be used at the event.
More specifically, as shown in Figure 4, let's consider a case where a local government (city hall) owns eight vehicles V (V1 to V8), and under normal circumstances, all eight vehicles V1 to V8 are parked in the city hall's parking lot or similar location.

Furthermore, while each vehicle (V1 to V8) is parked in the city hall parking lot, it is controlled to ensure that its battery is fully charged using PVs (Power Generators) installed at the city hall.
The action plan creation unit 20e determines which vehicle V to send to the event venue (community center, cultural hall) on the event day, based on the amount of electricity to be used at the event, the capacity of the batteries installed in each vehicle V1 to V8, and the normal operating schedule of each vehicle V1 to V8 on the event day, and creates an action plan for it.

In other words, as shown in Figure 5, the action plan creation unit 20e creates an action plan based on information acquired by the operation plan information acquisition unit 20a, the battery capacity acquisition unit 20b, the event information acquisition unit 20c, the mobile information acquisition unit 20d, etc., which directs four vehicles V1 to V4 to the community center, two vehicles V5 and V6 to the cultural center, and vehicles V7 and V8 to the regular routes A and B, respectively.

In Figure 5, among the vehicles V1 to V4 parked at the community center, vehicle V4, for example, is shown stopping at a community center included in its patrol route to receive power.
The display device 24 displays various information stored in the storage device 27 of the EMS 20, as well as information such as the vehicle V's action plan created by the action plan creation unit 20e.
The input device 25 receives various instructions from the administrator or other person in charge of the power management system 1.

As shown in Figure 2, the communication device 26 is connected to the EMS 50 and the official vehicle operation management system 60 installed at each customer, and acquires information stored in the power supply plan table 50a of the EMS 50, information stored in the official vehicle operation management system 60's official vehicle action plan data 60a, and so on.
As shown in Figure 2, the storage device 27 stores the following: official vehicle master 27a, official vehicle activity frequency value master 27b, available electricity coefficient master 27c, official vehicle operation plan master 27d, base master 27e, excess demand plan master 27f, inter-base distance master 27g, daily patrol route master 27h, power supply plan table 27i, available power supply table 27j, and official vehicle action plan table 27k.

The official vehicle master 27a stores information acquired by the battery capacity acquisition unit 20b and the mobile information acquisition unit 20d. Specifically, as shown in Figure 6(a), the official vehicle master 27a stores unique data for each official vehicle (vehicles V1 to V8) owned by the city hall, including drive system (2WD, 4WD), EV type (EV, PHEV, FCV), fuel type (none (electric), gasoline, hydrogen), maximum electrical capacity, output, full charging time, energy consumption, and driving range.

As shown in Figure 6(b), the official vehicle activity frequency value master 27b stores data that quantifies the daily activity frequency (reserve capacity in emergencies) of official vehicles (vehicles V1 to V8).
For example, a value of "1" is set for normal activity frequency, "2" for normal activity plus one emergency per day, "3" for normal activity plus three emergencies per day, "4" for normal activity plus five emergencies per day, and "5" for normal activity plus six or more emergencies per day.

As shown in Figure 6(c), the Electricity Availability Coefficient Master 27c stores coefficient data used when calculating the electricity availability of official vehicles (vehicles V1 to V8). The coefficient data is set to a value between 0.1 and 0.9 depending on the drive system (2WD, 4WD) of vehicles V1 to V8 and the magnitude of the average X value of the monthly activity frequency (see Figure 6(b)).
The official vehicle operation plan master 27d stores data that plans the monthly activity frequency for each official vehicle (vehicles V1 to V8).

Specifically, the official vehicle operation plan master 27d stores information acquired by the operation plan information acquisition unit 20a. That is, as shown in Figure 7, the official vehicle operation plan master 27d stores information regarding the vehicle numbers of vehicles V1 to V8 that are active each month, their activity frequency values, and the reasons for their activity frequency values.
For example, in April 2022, a plan is saved for vehicle V1 to perform an activity with an activity frequency value of "1" (daily patrol only). Also, in August 2022, a plan is saved for vehicle V2 to perform an activity with an activity frequency value of "5" (vehicle V2 (4WD) will perform river patrols very frequently in emergencies). Furthermore, in February 2023, a plan is saved for vehicle V3 to perform an activity with an activity frequency value of "4" (vehicle V3 (4WD) will perform snow patrols frequently in emergencies). In other words, vehicles with high activity frequency values are assigned less frequently to be sent to event venues, etc., to supply power in the processing described later, while vehicles with low activity frequency values are reserved for sending to event venues, etc., to supply power.

As shown in Figure 8, the base master 27e stores attribute data (charging availability flag, number of vehicles charging simultaneously, power supply availability flag, number of vehicles receiving power simultaneously, etc.) of bases such as facilities (city hall, community center, gymnasium, cultural center, etc.) and patrol destinations of official vehicles (vehicles V1 to V8) that they go to.
The excess demand planning master 27f stores information acquired by the event information acquisition unit 20c. Specifically, as shown in Figure 9, the excess demand planning master 27f stores data that plans the excess power demand value, demand start and end times, excess charges, and event details for each facility (community center, cultural hall, etc.) on the day of an event.

For example, a plan is preserved for April 1, 2022, which is the date of WW's new employee orientation ceremony, to be held at base No. 2 (community center (see Figure 8)) from 9:00 to 12:00, with an excess demand value of 25 kW (equivalent to an excess charge of 300,000 yen) for the electricity used for the ceremony.
Furthermore, a plan has been saved for August 11, 2022, which is the date of the summer kendo tournament, to be held at base No. 3 (gymnasium (see Figure 8)) from 11:00 to 15:00, with an excess demand value of 75 kW (equivalent to an excess charge of 1.2 million yen) for the electricity used for the kendo tournament.

As shown in Figure 10(a), the inter-site distance master 27g stores data defining the connections and distances between locations such as patrol destinations and facilities (community centers, cultural halls, etc.).
For example, information is stored indicating that the distance from base No. 1 (city hall) to connection base No. 2 (community center) is 3.2 km, and the distance to connection base No. 3 (gymnasium) is 5.8 km.

Furthermore, in calculating the distance between bases, the sections where official vehicles (vehicles V1 to V8) are assumed to travel directly are set as connection points.
For example, as shown in Figure 10(b), the distance traveled from the gymnasium to the cultural center is calculated by adding the distance D1 from the gymnasium to the city hall and the distance D2 from the city hall to the cultural center.
As shown in Figure 11(a), the daily patrol route master 27h stores data defining the daily patrol routes of official vehicles (vehicles V1 to V8).

For example, in patrol route No. 1, regardless of the required drive system, the route is set to start from patrol base No. 1 (City Hall) and patrol in the following order: patrol base No. 101 (Observatory A on the XX River), patrol base No. 102 (Observatory B on the XX River), and patrol base No. 103 (Pond YY).
Furthermore, for patrol route No. 3, the required drive system is limited to 4WD, and the route is set up to start from patrol base No. 1 (City Hall) and patrol bases No. 301, 302, and 303 in order to check, for example, the amount of snowfall and whether or not rivers and reservoirs are overflowing.

As shown in Figure 11(b), the power supply capacity table 27j stores data on the monthly amount of electricity that can be supplied per day from the batteries installed in the official vehicles (vehicles V1 to V8), calculated by subtracting the power consumed during patrols, etc., from the total capacity of the batteries.
For example, in April 2022, the forecast is stored that the available power supply capacity will be 1,188 kWh and the total output 60.2 kW. Similarly, in February 2023, the forecast is stored that the available power supply capacity will be 1,068 kWh and the total output 60.2 kW.

As shown in Figure 11(c), the power supply plan table 27i stores data on the plan for official vehicles (vehicles V1 to V8) to supply power to each location (community center, cultural center, etc.).
For example, data is stored indicating that on April 1, 2022, a planned power supply of 6.2 kW will be provided between 9:00 AM and 11:00 AM for WW Corporation's induction ceremony (see Figure 9) to be held at site No. 2 (community center) (see Figure 8).

Furthermore, data has been saved indicating that, for the summer kendo tournament (see Figure 9) to be held at base No. 3 (gymnasium) (see Figure 8) on August 11, 2022, power will be supplied at a power output of 11.9 kW between 11:00 and 15:00.
Furthermore, data has been saved indicating that, on February 12, 2023, a planned power supply of 15.0 kW will be provided for a singing contest (see Figure 9) to be held at base No. 4 (Cultural Hall) (see Figure 8) between 11:00 and 14:00.

The official vehicle action plan table 27k is created by the action plan creation unit 20e described above, and as shown in Figure 12, it stores data for the daily action plan of each official vehicle (vehicles V1 to V8).
For example, on April 8, 2022, as shown in Figure 9, the entrance ceremony for ZZ University is scheduled to take place at site No. 4 (Cultural Hall) (see Figure 8) from 10:00 to 13:00, with a predicted excess demand of 100 kW.

Therefore, the action plan creation unit 20e refers to the various information stored in the storage device 27 shown in Figures 6(a) to 11 and creates an action plan for official vehicles (vehicles V1 to V8) in order to reduce the peak power consumption used at seasonal events (such as entrance ceremonies) held in the region.
Specifically, the plan is for vehicle V1 to arrive at patrol base No. 101 (Observation Station A on the XX River) at 9:00 AM on April 8, 2022, patrol for 30 minutes, then arrive at patrol base No. 4 (Community Center) at 9:45 AM, and provide power until its departure at 1:15 PM.

This allows the battery installed in vehicle V1 to supply the electricity needed for the ZZ University entrance ceremony, which is predicted to have an excess demand of 100 kW from 10:00 to 13:00 at base No. 4 (Cultural Hall) (see Figure 8).
The plan then dictates that vehicle V1 will arrive at patrol base No. 102 (XX River, B Observation Station) at 13:30, patrol for 30 minutes, arrive at patrol base No. 103 (YY Pond) at 14:30, patrol for 30 minutes, and finally return to patrol base No. 1 (City Hall) at 15:45.

Meanwhile, a plan was created for vehicle V2 to travel to patrol base No. 201 on April 8, 2022, arriving at 9:30 AM and conducting a 30-minute patrol.
As described above, the action plan creation unit 20e creates action plans for each vehicle V1 to V8 so that the necessary power is supplied from the batteries installed in each vehicle V1 to V8, in accordance with the dates of events held annually in the region according to the season.

At this time, the action plan creation unit 20e creates action plans for each vehicle V1 to V8, prioritizing them as follows: (a) 2WD PHEVs and FCVs, (b) 2WD EVs, (c) 4WD PHEVs and FCVs, and (d) 4WD EVs.
The reason for this is that in an emergency, a 4WD vehicle can replace a 2WD vehicle, but a 2WD vehicle cannot replace a 4WD vehicle, so 2WD vehicles should be used first. PHEVs and FCVs can self-charge, so there is no need to consider the electrical capacity needed for the return trip to the city hall, and therefore they should be used first.

Conversely, in the case of electric vehicles (EVs) such as vehicles V1 and V5, since they cannot self-charge their batteries while driving, the plan is designed to leave enough electrical capacity for the return trip to the city hall parking lot.
Then, based on the above conditions, the action plan creation unit 20e selects vehicles V1 to V8 to head to the event venue by prioritizing them in the following order: (i) vehicles originally scheduled to go to the target location (event venue) in the business plan, and (ii) vehicles closest to the parking location.

Furthermore, if the deployment of vehicles V1 to V8 under the above conditions results in insufficient power capacity, the action plan creation unit 20e can make adjustments such as changing the schedule of normal patrols or arranging for other vehicles that can handle the situation.
The action plan creation unit 20e then repeatedly creates action plans for vehicles V1 to V8 under the above conditions, optimizing the action plans for the official vehicles (vehicles V1 to V8) shown in Figure 12.

<Power management method using EMS20>
The power management method using the EMS20 of this embodiment will be explained according to the flowcharts shown in Figures 13 to 16.
First, in Figure 13, a process is performed to calculate the capacity that can be supplied from the batteries installed in each vehicle, V1 to V8.

In other words, in step S11, the operation plan information acquisition unit 20a, the battery capacity acquisition unit 20b, the event information acquisition unit 20c, and the mobile information acquisition unit 20d of the EMS 20 acquire the necessary data from the official vehicle master 27a, the official vehicle activity frequency value master 27b, the usable electricity coefficient master 27c, and the official vehicle operation plan master 27d stored in the storage device 27.
Next, in step S12, the processes in steps S13 to S15 are repeatedly performed for all vehicles V1 to V8.

Next, in step S13, the mobile information acquisition unit 20d acquires information on the maximum electrical capacity (see Figure 6(a)) and activity frequency (see Figure 6(b)) for each vehicle V.
Next, in step S14, the maximum electrical capacity of the battery installed in each vehicle V is multiplied by the usable amount coefficient for each activity frequency value (see Figure 6(c)) and added together as the monthly power supply amount.

Next, in step S15, the output for each vehicle V is added together to form the total monthly output.
After repeating the processes in steps S13 to S15 for all vehicles V1 to V8, proceed to step S16.
Next, in step S16, the monthly power supply capacity and total output are output to the storage device 27 in the EMS 20 and stored in the power supply capacity table 27j in the storage device 27.

Next, in Figures 14, 15, and 16, the action plan creation unit 20e performs the process of creating an operation plan for each vehicle V1 to V8 and a power supply plan from the batteries installed in each vehicle V1 to V8.
In other words, in step S21 of Figure 14, the operation plan information acquisition unit 20a, event information acquisition unit 20c, and mobile information acquisition unit 20d of the EMS 20 acquire necessary data from the official vehicle master 27a, base master 27e, excess demand plan master 27f, inter-base distance master 27g, and daily patrol route master 27h stored in the storage device 27.

Next, in step S22, the process in step S23 is repeated for each of the patrol routes.
Next, in step S23, the vehicle whose drive system (2WD or 4WD) is suitable for patrolling the route (river, pond, mountain, underpass, etc.) and whose driving distance is shortest is assigned to the patrol route.

After repeating the process in step S23 for the number of possible routes, proceed to step S24.
Next, in step S24, it is determined whether or not there are any locations experiencing demand overload today. If there are locations experiencing demand overload, the process proceeds to the flow shown in Figure 15. On the other hand, if there are no locations experiencing demand overload, the process proceeds to step S25.

Next, in step S25, since it was determined in step S24 that there were no locations where demand exceeded the capacity, the action plan creation unit 20e outputs the official vehicle action plan it created to the official vehicle action plan table 27k in the storage device 27 and saves it.
Next, as shown in Figure 15, in step S26, since it was determined in step S24 that there was a location where the demand was exceeded, location A, which has the largest excess demand value, is selected.

Next, in step S27, the processes in steps S28 to S33 are repeated for the number of patrol routes.
In other words, in step S28, it is determined whether or not there is a base connected to base A on the patrol route. If it is determined that there is a base connected to base A on the patrol route, the process proceeds to step S29. On the other hand, if it is determined that there is no base connected to base A on the patrol route, the process returns to step S27 and continues to determine another patrol route.

Next, in step S29, since it was determined in step S28 that there is a base connected to base A on the patrol route, a determination is made as to whether or not power can be supplied (checking whether the amount of power to be supplied to the base is less than the amount of power that vehicle V can supply).
If it is determined that power can be supplied (the amount of power supplied is less than the power supply capacity of vehicle V), the process proceeds to step S30. On the other hand, if it is determined that power cannot be supplied (the amount of power supplied to the base exceeds the power supply capacity of vehicle V), the process returns to step S27 and continues processing for other patrol routes.

Next, in step S30, since it was determined in step S29 that power supply is possible (the amount of power to be supplied to the base is less than the amount of power that can be supplied by vehicle V), the action plan creation unit 20e modifies the action plan so that power is supplied along the patrol route.
Next, in step S31, it is determined whether either of the following conditions is met at base A: the excess demand value is less than or equal to the amount of power supplied, or the number of simultaneously powered units has been reached. If either of the above two conditions is met, the process proceeds to step S32. On the other hand, if neither of the above two conditions is met, the process returns to step S27 and continues processing for other patrol routes.

Next, in step S32, since it was determined in step S31 that either of the above two conditions was met, site A is excluded from the power supply target during this process.
Next, in step S33, it is determined whether there are any other locations experiencing demand overload today. If it is determined that there are other locations, the process returns to step S26 and repeats the process from step S27 onwards. On the other hand, if it is determined that there are no other locations, the process proceeds to the flow shown in Figure 16.

Next, as shown in Figure 16, in step S34, it is determined again whether there are any other locations where demand exceeds the current limit today. If it is determined that there are other locations, the process proceeds to step S35. On the other hand, if it is determined that there are no other locations, the process proceeds to step S43.
This allows the process to be repeated for the number of vehicles V, assuming that even after determining all patrol routes in step S33, there are still locations where the demand exceeds the limit.

Next, in step S35, since it was determined in step S34 that there are other locations where demand is exceeding the limit today, location B, which has the largest excess demand value, is selected.
Next, in step S36, the processes from steps S37 to S42 are repeated for the number of vehicles V.
Next, in step S37, the vehicle V to be supplied with power is selected according to the following priority order (1) to (6).

(1) 2WD-FCV, (2) 2WD-PHEV, (3) 2WD-EV, (4) 4WD-FCV, (5) 4WD-PHEV, (6) 4WD-EV
(However, vehicles on the patrol route are excluded from selection.)
Next, in step S38, a determination is made as to whether or not power can be supplied (checking whether the amount of power to be supplied to the base is less than the amount of power that vehicle V can supply).

If it is determined that power can be supplied (the amount of power supplied is less than the power supply capacity of vehicle V), the process proceeds to step S39. On the other hand, if it is determined that power cannot be supplied (the amount of power supplied to the base exceeds the power supply capacity of vehicle V), the process returns to step S36 and continues processing for the other vehicles V.
Next, in step S39, since it was determined in step S38 that power supply is possible, the action plan creation unit 20e adds an action plan to supply power to this vehicle V.

Next, in step S40, it is determined whether the excess demand value of vehicle V is less than or equal to the power supply amount, or whether the number of simultaneously powered vehicles has been reached. If either of these two conditions is met, the process proceeds to step S41. If neither of these conditions is met, the process returns to step S36 and continues processing for the other vehicles V.

Next, in step S41, site B is excluded from the power supply targets during this process.
Next, in step S42, it is determined again whether there are any other locations where demand has exceeded the limit today. If it is determined that there are other locations, the process returns to step S35 and repeats the process from step S37 onwards for the number of other vehicles. On the other hand, if it is determined that there are no other locations, the process proceeds to step S43.

Next, in step S43, the action plan creation unit 20e creates an official vehicle action plan and a power supply plan, outputs the data to the storage device 27, and saves it to the official vehicle action plan table 27k and the power supply plan table 27i in the storage device 27.
Furthermore, not only seasonal (or monthly) events, but also sudden events can be managed by applying similar processing based on information about similar events, thereby suppressing power peaks in each region.

<Main Features>
The EMS 20 of this embodiment is a power management device that uses a vehicle V equipped with a storage battery to share power in a region, and includes an operation plan information acquisition unit 20a, a storage battery capacity acquisition unit 20b, an event information acquisition unit 20c, and an action plan creation unit 20e. The operation plan information acquisition unit 20a acquires the operation plan of the vehicle V. The storage battery capacity acquisition unit 20b acquires the capacity of the storage battery installed in the vehicle V. The event information acquisition unit 20c acquires information on the scheduled holding of seasonal events in the region and the amount of electricity to be used for those events. The action plan creation unit 20e creates an action plan for the vehicle V to head to the event venue based on the operation plan of the vehicle V, the total capacity of the storage batteries for each vehicle V, and the scheduled holding of events and the amount of electricity to be used.

This allows for the creation of an action plan for vehicle V, taking into account the vehicle V's operational schedule, the capacity of the battery installed in vehicle V, the dates of seasonal events held in the region, and the planned power usage. This enables the power supplied from the battery installed in vehicle V to be used for these events.
Therefore, since it is possible to reduce the peak power demand required when seasonal events are held, the power peaks that change with the seasons can be suppressed by using a vehicle V equipped with a battery.

[Other embodiments]
Although one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications are possible without departing from the spirit of the invention.

(A)
In the above embodiments, examples of the present invention were described as power management devices and power management methods. However, the present invention is not limited thereto.
For example, the present invention may be implemented as a program that causes a computer to execute the power management method of the power management device described above.
This power management program is stored in the memory (storage unit) installed in the power management device, and the CPU reads the program stored in memory and causes the hardware to execute each step. More specifically, the CPU reads the program and executes the steps described above: acquiring operational plan information, acquiring battery capacity, acquiring event information, and creating an action plan, thereby achieving the same effect as above.
Furthermore, the present invention may be implemented as a recording medium that stores the program of a power management device.

(B)
In the above embodiments, examples of vehicles equipped with a battery, such as EVs (Electric Vehicles), PHEVs (Plug-in Hybrid Vehicles), and FCVs (Fuel Cell Vehicles), were given and explained. However, the present invention is not limited thereto.
For example, a system configuration could be used that utilizes vehicles such as motorcycles and buses equipped with batteries to supply the electricity needed for seasonal events in a local area.

(C)
In the above embodiment, an example was given of a local government or the like that owns multiple vehicles (EVs, PHEVs, FCVs) and creating an action plan for each vehicle. However, the present invention is not limited to this.
For example, a customer who owns one mobile device may have a system in place to create an action plan for that device.
Furthermore, the number of vehicles owned by local governments, etc., is not limited to eight; it may be seven or fewer, or nine or more.

(D)
In the above embodiment, a storage device 27 for storing information necessary to create action plans for vehicles V1 to V8 was described as being provided within an EMS (Power Management System) 20. However, the present invention is not limited thereto.
For example, the system configuration may include a storage device located outside the power management device.

(E)
In the above embodiment, an example was given in which the mobile information acquisition unit 20d acquires information such as the maximum electrical capacity of the battery for each vehicle V, the drive system, the EV type, the fuel type, and the driving distance. However, the present invention is not limited thereto.
For example, the information about the mobile device to be acquired is not limited to the maximum electrical capacity of the battery, but may also include the current remaining capacity of the battery.
In this case, even if the battery installed in the vehicle is not fully charged, if the remaining battery capacity of the vehicle is large, an action plan can be created to direct the vehicle to the event venue, etc.

The power management device of the present invention, utilizing a mobile unit equipped with a battery, has the effect of suppressing seasonally fluctuating power peaks, making it widely applicable to power management in various regions.

10 Power Management System 20 EMS (Power Management System)
20a Operation plan information acquisition unit 20b Battery capacity acquisition unit 20c Event information acquisition unit 20d Mobile object information acquisition unit 20e Action plan creation unit 21 Calculation unit 22 ROM
23 RAM
24 Display device 25 Input device 26 Communication device 27 Storage device 27a Official vehicle master 27b Official vehicle activity frequency value master 27c Electricity usable amount coefficient master 27d Official vehicle operation plan master 27e Base master 27f Excess demand plan master 27g Inter-base distance master 27h Daily patrol route master 27i Power supply plan table 27j Power supply available amount table 27k Official vehicle action plan table 50 EMS
50a Power supply table 51 Electrical equipment 51a Power conditioner 51b PV
51c Stationary battery 52 EV charging/discharging device 53 Distribution board 54 Load equipment 55 Battery distribution board 56 Load equipment 60 Official vehicle operation management system 60a Official vehicle action plan data D1, D2 Distance GR Garage V, V1-V8 Vehicle (mobile)

Claims (13)

A power management device that uses a mobile unit equipped with a battery to share electricity within a region,
An operation plan information acquisition unit that acquires the operation plan of the aforementioned mobile body,
A battery capacity acquisition unit that acquires the capacity and output of the battery mounted on the mobile body,
An event information acquisition unit that acquires information regarding the scheduled seasonal events in the said region and the amount of electricity to be used for said events,
An action plan creation unit creates an action plan for the mobile units to proceed to the event venue based on the operating plan of the mobile units, the total capacity and output of the batteries for each mobile unit, the scheduled date of the event, and the planned amount of electricity to be used.
A mobile body information acquisition unit that acquires information regarding the type of the mobile body,
Equipped with,
The action plan creation unit creates an action plan for the mobile body to proceed to the event venue, based on the priority given to the type of mobile body.
Power management device. A power management device that uses a mobile unit equipped with a battery to share electricity within a region,
An operation plan information acquisition unit that acquires the operation plan of the aforementioned mobile body,
A battery capacity acquisition unit that acquires the capacity and output of the battery mounted on the mobile body,
An event information acquisition unit that acquires information regarding the scheduled seasonal events in the said region and the amount of electricity to be used for said events,
An action plan creation unit creates an action plan for the mobile units to proceed to the event venue based on the operating plan of the mobile units, the total capacity and output of the batteries for each mobile unit, the scheduled date of the event, and the planned amount of electricity to be used.
Equipped with,
The action plan creation unit, referring to the action plan of the mobile body, creates an action plan that directs the mobile body toward the event venue, with the patrol route passing through bases connected to the event venue.
Power management device. The action plan creation unit, referring to the action plan of the mobile body, creates an action plan that directs the mobile body toward the event venue, with the patrol route passing through bases connected to the event venue.
The power management device according to claim 1. The system further includes a mobile body information acquisition unit that acquires information regarding the type of the mobile body,
The action plan creation unit creates an action plan for the mobile body according to the type of mobile body.
The power management device according to claim 2. The types of the aforementioned mobile devices include those that generate their own power to store electricity in the battery while self-propelled.
A power management device according to any one of claims 1, 3, or 4. The types of the aforementioned mobile bodies include two-wheel drive or four-wheel drive.
A power management device according to any one of claims 1, 3 to 5. The action plan creation unit creates action plans for multiple mobile bodies.
A power management device according to any one of claims 1 to 6. The action plan creation unit creates an action plan to direct the mobile unit with the largest output and capacity of the installed battery to the location with the largest excess demand value.
A power management device according to any one of claims 1 to 7. A power management device according to any one of claims 1 to 8,
A storage device that stores information regarding the operation plan of the mobile unit, the total capacity and output of the batteries for each mobile unit, the scheduled dates for the event, and the planned amount of electricity to be used.
A power management system equipped with [a specific feature/feature]. A method implemented by a computer, which uses a mobile device equipped with a battery to share power within a region, is a power management method.
A step of acquiring operational plan information to acquire the operational plan of the aforementioned mobile body,
A battery capacity acquisition step is to acquire the capacity and output of the battery mounted on the mobile body.
An event information acquisition step involves acquiring information regarding the scheduled seasonal events in the said region and the amount of electricity to be used for said events.
An action plan creation step is to create an action plan for the mobile units to proceed to the event venue based on the operating plan of the mobile units, the total capacity and output of the batteries for each mobile unit, the scheduled date of the event, and the planned amount of electricity to be used.
A mobile body information acquisition step, which involves acquiring information about the type of the mobile body,
Equipped with,
The action plan creation step involves creating an action plan for the mobile body to proceed to the event venue, based on the priority given to the type of mobile body.
Power management methods. A power management program that uses mobile devices equipped with storage batteries to share electricity within a region,
A step of acquiring operational plan information to acquire the operational plan of the aforementioned mobile body,
A battery capacity acquisition step is to acquire the capacity and output of the battery mounted on the mobile body.
An event information acquisition step involves acquiring information regarding the scheduled seasonal events in the said region and the amount of electricity to be used for said events.
An action plan creation step is to create an action plan for the mobile units to proceed to the event venue based on the operating plan of the mobile units, the total capacity and output of the batteries for each mobile unit, the scheduled date of the event, and the planned amount of electricity to be used.
A mobile body information acquisition step, which involves acquiring information about the type of the mobile body,
Equipped with,
The action plan creation step involves creating an action plan for the mobile body to proceed to the event venue, based on the priority given to the type of mobile body.
A power management program that instructs a computer to implement power management methods. A method implemented by a computer, which uses a mobile device equipped with a battery to share power within a region, is a power management method.
A step of acquiring operational plan information to acquire the operational plan of the aforementioned mobile body,
A battery capacity acquisition step is to acquire the capacity and output of the battery mounted on the mobile body.
An event information acquisition step involves acquiring information regarding the scheduled seasonal events in the said region and the amount of electricity to be used for said events.
An action plan creation step is to create an action plan for the mobile units to proceed to the event venue based on the operating plan of the mobile units, the total capacity and output of the batteries for each mobile unit, the scheduled date of the event, and the planned amount of electricity to be used.
Equipped with,
The action plan creation step involves creating an action plan that directs the mobile body toward the event venue, by referring to the mobile body's action plan, such that the mobile body's patrol route passes through hubs that connect to the event venue.
Power management methods. A power management program that uses mobile devices equipped with storage batteries to share electricity within a region,
A step of acquiring operational plan information to acquire the operational plan of the aforementioned mobile body,
A battery capacity acquisition step is to acquire the capacity and output of the battery mounted on the mobile body.
An event information acquisition step involves acquiring information regarding the scheduled seasonal events in the said region and the amount of electricity to be used for said events.
An action plan creation step is to create an action plan for the mobile units to proceed to the event venue based on the operating plan of the mobile units, the total capacity and output of the batteries for each mobile unit, the scheduled date of the event, and the planned amount of electricity to be used.
Equipped with,
The action plan creation step involves creating an action plan that directs the mobile body toward the event venue, by referring to the mobile body's action plan, such that the mobile body's patrol route passes through hubs that connect to the event venue.
A power management program that instructs a computer to implement power management methods.