JP7412673B2 - Hydropower plant construction plan optimization support server, hydropower plant construction plan optimization support system, and hydropower plant construction plan optimization support method - Google Patents

Description

The present invention relates to a hydropower plant construction plan optimization support server, a hydropower plant construction plan optimization support system, and a hydropower plant construction plan optimization support method.

In order to implement equipment management, work management, etc. at nuclear power plants, thermal power plants, etc., a management system has been proposed that uses a database to manage information such as budget subject names and construction project names used in various management tasks (Patent Document (see 1). In conventional management systems, each system is assigned an independent subject depending on its purpose and managed. In Patent Document 1, when integrating data that has been managed in separate systems, it is easier to check with on-site equipment and manage it, making work and processing more efficient and less likely to cause errors. system is proposed.

Japanese Patent Application Publication No. 2003-143759

At a power plant, construction work is planned for equipment and can be managed using a management system such as that disclosed in Patent Document 1. Construction work on power plant equipment may require the power plant to be shut down in some cases.

Incidentally, in recent years, liberalization of power trading has been introduced, and various power plants are required to efficiently generate power. In order to efficiently generate power, it is preferable to schedule construction plans that involve shutting down the power plant at an appropriate time.

Nuclear power plants, thermal power plants, and other power plants use some kind of fuel to generate electricity, so when power consumption increases, such as during the daytime in summer, the amount of fuel is increased, and power consumption at night increases. During times of decline, it is easy to adjust the amount of power generated to meet demand by reducing fuel consumption. However, since hydroelectric power plants generate electricity using naturally occurring water, it is difficult to adjust the amount of power generated according to demand, except for some hydropower plants that have reservoirs or regulating ponds.

Therefore, it can be said that construction plans for hydroelectric power plants are required to be planned from a different perspective than for nuclear power plants, thermal power plants, and other power plants.

The present invention has been made in view of the above-mentioned problems, and is an optimization support server for construction plans for hydroelectric power plants that can support setting construction plans for hydroelectric power plants so as to increase power generation efficiency. The purpose of this paper is to provide a support system for optimizing construction plans for hydropower plants and a method for supporting optimization of construction plans for hydropower plants.

In order to solve the above problem, the optimization support server for the construction plan of a hydroelectric power plant described in one embodiment is configured to implement a desired construction period that is the desired construction period for the equipment in the equipment of the hydroelectric power plant. a construction plan input section that accepts input of a desired construction plan including a construction plan; and a shutdown section that determines power generation equipment that requires power generation to be stopped when equipment targeted by the desired construction plan that has received the input is stopped. If there is a power generation facility that is determined to need to be shut down by the equipment determination unit and the shutdown equipment determination unit, the amount of overflow due to the shutdown of the power generation equipment is calculated based on the water volume record of the power generation equipment that has been determined to need to be shut down. an overflow amount calculation section, a proposal section that proposes changing the desired construction period to another construction period based on the calculated overflow amount, and construction according to the different construction period proposed by the proposal section. a construction plan confirmation section that accepts an input to confirm a change in timing and finalizes the construction plan by setting the construction period for which the confirmation has been accepted as the final construction period; and a construction plan that outputs the construction plan finalized by the construction plan confirmation section. It is characterized by comprising an output section.

1 is a diagram illustrating a hydropower plant construction plan optimization support system including a hydropower plant construction plan optimization support server according to the present embodiment. FIG. FIG. 2 is a diagram showing functional blocks of a support system for optimizing construction plans for a hydroelectric power plant. FIG. 2 is a block diagram illustrating an example of an overview of annual construction plans; FIG. FIG. 2 is a block diagram illustrating an example of an overview of annual construction plans; FIG. FIG. 3 is a diagram illustrating an example of displaying detailed construction plans for a specific power plant at a specific time. It is a figure which shows the example of a display of a power generation amount actual amount. FIG. 3 is a diagram illustrating an example of a comparative display of the amount of power generated based on a planned construction plan and the amount of actual power generated. It is a figure showing an example of a suspension item table stored in a suspension information provision server. It is a figure showing an example of water quantity performance data stored in a performance database. It is a figure showing an example of water quantity performance data stored in a performance database. It is a flowchart which shows the operation of the optimization support server of the construction plan of the hydroelectric power plant concerning this embodiment. It is a figure which shows an example of a work order input screen.

1. Overview of Embodiments First, an overview of typical embodiments of the invention disclosed in this application will be described. In the following description, as an example, reference numerals on the drawings corresponding to constituent elements of the invention are written in parentheses.

[1] The optimization support server (10) for the construction plan of a hydroelectric power plant according to a typical embodiment of the present invention is configured to provide a request for a construction period in which construction is desired to be performed on equipment in the equipment of a hydroelectric power plant. A construction plan input unit (11) that accepts input of a desired construction plan including construction schedule, and a power generation unit that requires power generation to be stopped when equipment targeted by the desired construction plan for which the input has been received is stopped. If there is a power generation facility that is determined to need to be shut down by the shutdown equipment determination unit (12) that determines the equipment and the equipment requiring shutdown determination unit (12), the water amount record regarding the power generation equipment that has been determined to need to be shut down is an overflow amount calculation unit (13) that calculates the overflow amount due to the stoppage of power generation equipment based on the above-mentioned overflow amount; and a proposal unit (14) that proposes changing the desired construction period to another construction period based on the calculated overflow amount. ), and receives an input to confirm a change in the construction period according to another construction period proposed by the proposal section (14), and finalizes the construction plan by setting the construction period for which the confirmation has been accepted as the final construction period. It is characterized by comprising a plan confirmation section (15) and a construction plan output section (16) that outputs the construction plan decided by the construction plan confirmation section (15).

[2] In the construction plan optimization support server for the hydroelectric power plant, when the construction plan determination unit (15) determines that there is no power generation equipment that requires the suspension of power generation, the construction plan determination unit (15): The present invention is characterized in that the construction plan input by the construction plan input section is finalized.

[3] In the above-mentioned hydroelectric power plant construction plan optimization support server, the equipment to be shut down determination unit identifies the equipment that is the target of the construction plan and the power generation equipment whose power generation needs to be stopped when the equipment is shut down. It is characterized in that equipment that needs to be stopped is determined by referring to the associated stop item table.

[4] In the above-mentioned hydroelectric power plant construction plan optimization support server, the overflow amount calculation unit calculates the amount of water related to the power generation facility by referring to a water amount database that stores the actual amount of water related to the power generation facility over a predetermined number of years. It is characterized by obtaining achievements.

[5] In the above-mentioned hydroelectric power plant construction plan optimization support server, the proposal section preferentially proposes a construction period with a small amount of overflow, and if there are multiple construction periods with the same amount of overflow, The present invention is characterized in that the construction period closest to the desired construction period among the construction periods is preferentially proposed.

[6] In the construction plan optimization support server for the hydroelectric power plant, the actual power generation amount, which is the amount of power generated at the hydropower plant over a predetermined number of years, is converted into a monetary amount, and the output of the construction plan. The estimated construction cost, which is the construction cost included in the construction plan output from the department, is obtained, and the obtained estimated construction cost is added to the actual power generation amount for the period corresponding to the final construction period of the construction plan. The power plant evaluation index providing unit provides the predicted power plant evaluation index as a predicted power plant evaluation index.

[7] In the above-mentioned hydropower plant construction plan optimization support server, the power plant evaluation index providing unit converts the actual power generation amount, which is the actual power generation amount at the hydropower plant, into a monetary value. A comparative display of the actual power generation amount and the actual power generation amount is provided as an evaluation index.

[8] A hydroelectric power plant construction plan optimization support system according to another embodiment of the present invention includes the above-mentioned hydroelectric power plant construction plan optimization support server, and equipment targeted for construction planning. , a shutdown information providing server that stores a shutdown item table that associates power generation equipment with power generation equipment that requires power generation shutdown when the equipment is stopped; and a performance database that stores the performance of water volume related to the power generation equipment over a predetermined number of years. The system is characterized by comprising a track record management server that stores.

[9] A method for optimizing a construction plan for a hydroelectric power plant according to another embodiment of the present invention includes a desired construction period that is a desired construction period for equipment in the equipment of a hydroelectric power plant. A construction plan input step that accepts the input of the desired construction plan, and a process that determines whether there is any power generation equipment that requires power generation to be stopped when the equipment that is the target of the desired construction plan that has received the input is stopped. If there is a power generation facility that is determined to need to be shut down in the shutdown equipment determination step, the amount of water overflow due to the shutdown of the power generation facility is determined based on the actual water volume of the power generation facility that is determined to need to be shut down. an overflow amount calculation step that calculates the amount of overflow; a proposal step that proposes changing the desired construction period to another construction period based on the calculated overflow amount; and a proposal step that proposes changing the desired construction period to another construction period proposed in the proposal step. A construction plan confirmation process that accepts an input to confirm the change in the construction schedule according to the request, and finalizes the construction plan by setting the construction date for which the confirmation has been accepted as the final construction date, and outputs the construction plan finalized in the construction plan confirmation process. and a construction plan output process.

[10] In the above-mentioned method for supporting optimization of a construction plan for a hydroelectric power plant, the construction plan confirmation step may be performed when determining that there is no power generation equipment requiring suspension of power generation in the suspension equipment determination step. It is characterized by finalizing the construction plan for which input is received in the input process.

[11] In the above-mentioned method for supporting optimization of construction plans for hydroelectric power plants, the equipment to be shut down determination step identifies the equipment that is the target of the construction plan and the power generation equipment whose power generation needs to be stopped when the equipment is shut down. It is characterized in that equipment that needs to be stopped is determined by referring to the associated stop item table.

[12] In the above-mentioned method for supporting the optimization of construction plans for a hydroelectric power plant, the overflow amount calculation step calculates the amount of water related to the power generation facility by referring to a water amount database that stores the actual amount of water related to the power generation facility over a predetermined number of years. It is characterized by obtaining achievements.

[13] In the above method for supporting the optimization of construction plans for hydroelectric power plants, the proposal process preferentially proposes the construction period in which the amount of overflow will be small, and if there are multiple construction periods with the same amount of overflow, the relevant The present invention is characterized in that a construction period closest to the desired construction period among a plurality of construction periods is proposed preferentially.

[14] In the above-mentioned method for supporting the optimization of construction plans for a hydroelectric power plant, the amount of actual power generation amount obtained by converting the actual amount of power generation, which is the actual amount of power generation over a predetermined number of years at the hydropower plant, into a monetary amount, and the output of the construction plan. Obtain the estimated construction cost, which is the construction cost included in the construction plan output in the process, and add the obtained estimated construction cost to the actual power generation amount for the period corresponding to the final construction period of the construction plan. The method further includes a power plant evaluation index providing step of providing the predicted power plant evaluation index.

[15] In the hydropower plant construction plan optimization support method, the power plant evaluation index providing step converts the actual power generation amount, which is the actual power generation amount at the hydropower plant, into a monetary amount. A comparative display of the actual power generation amount and the actual power generation amount is provided as an evaluation index.

2. Specific Examples of Embodiments Hereinafter, specific examples of embodiments of the present invention will be described with reference to the drawings. In addition, in the following description, the same reference numerals are given to the same component in each embodiment, and repeated description is omitted.

(First embodiment)
FIG. 1 is a diagram illustrating a hydropower plant construction plan optimization support system including a hydropower plant construction plan optimization support server according to the present embodiment. The construction plan optimization support system for a hydroelectric power plant according to the present embodiment includes a construction plan optimization support server 10, an outage information providing server 20, and a performance management server 30. The construction plan optimization support server 10, the outage information providing server 20, and the performance management server 30 can each be configured by a computer equipped with a storage device and an arithmetic processing device.

The construction plan optimization support server 10 is a server that functions as a construction plan optimization support server for a hydroelectric power plant by cooperating with the outage information providing server 20 and the performance management server 30. Work plans for shutting down power generation equipment at a hydroelectric power plant include a maintenance plan and a construction plan. In hydroelectric power generation, a maintenance plan is a plan for periodically inspecting and repairing equipment for the purpose of maintenance and maintenance, and is distinguished from a construction plan that is suddenly planned as needed. The construction plan optimization support server 10 supports construction planning for a hydroelectric power plant at an optimal time.

The outage information providing server 20 stores a database that stores a outage item table that associates equipment targeted by the construction plan with power generation equipment whose power generation needs to be stopped when the equipment targeted by the construction plan is shut down. have. The outage information providing server 20 is connected to the construction plan optimization support server 10 and provides necessary information data based on requests from the construction plan optimization support server 10.

The performance management server 30 has a performance database that stores water volume performance data related to the power generation equipment over a predetermined number of years and power generation performance data that is the performance of the power generation amount in the power generation equipment. The performance management server 30 is connected to the construction plan optimization support server 10, and provides information data stored in the performance database based on a request from the construction plan optimization support server 10.

FIG. 2 is a diagram showing functional blocks of a support system for optimizing construction plans for a hydroelectric power plant. As shown in FIG. 2, the construction plan optimization support server 10 includes an input section 11, a stopped equipment determination section 12, an overflow amount calculation section 13, a proposal section 14, a construction plan confirmation section 15, and an output section. 16, a power plant evaluation index providing section 17, and a maintenance/construction/shutdown plan storage section 18.

The input unit 11 can function as a construction plan input unit that receives an input of a desired construction plan including a desired construction period, which is a desired construction period for the equipment in the equipment of the hydroelectric power plant. As the input unit 11, any user interface such as a keyboard, mouse, or microphone, and a processing device such as a processor that controls these and appropriately processes input information can be used. The input desired construction plan is temporarily stored in the maintenance/construction/shutdown plan storage section 18 and can be referenced as needed.

The shutdown equipment determining unit 12 determines the power generation equipment that needs to stop generating power when the equipment targeted by the desired construction plan that has been input is stopped. The shutdown equipment determination unit 12 inquires of the shutdown information providing server 20 as to which power generation equipment should be shut down when performing construction on the target equipment. As a result of the inquiry, if there is power generation equipment that should be shut down, the shutdown equipment determination unit 12 sends information about the power generation equipment that should be shut down to the overflow amount calculation unit 13 . As a result of the inquiry, if there is no power generating equipment to be shut down, the shut down equipment determining unit 12 sends to the construction plan determining unit 15 that there is no power generating equipment to be shut down.

When there is a power generation facility for which the stoppage determination section 12 determines that the stoppage is necessary, the overflow amount calculation unit 13 calculates the overflow amount due to the stoppage of the power generation facility based on the water volume record of the power generation facility for which the stoppage is determined to be necessary. calculate. When the overflow amount calculation unit 13 receives that there is a power generation facility to be stopped, it refers to the desired construction plan that has received input, acquires the period of the construction plan, and calculates the overflow amount during the acquired period (number of days). calculate. The overflow amount calculation unit 13 inquires of the performance management server 30 for water amount performance data regarding the power generation equipment to be stopped, and acquires water amount performance data regarding the power generation equipment to be stopped. The actual water amount data is, for example, the amount of water converted into the amount of power generation.

In cases where a plurality of power generation facilities exist in a power plant that accommodates the power generation facility that should be shut down, water amount performance data may not directly correspond to each power generation facility. In this case, the overflow amount calculation unit 13 can calculate the overflow amount in consideration of the capacity of the power generation equipment in the power station. For example, Power Plant A has Units 1 and 2 that have the same power generation output, and the maximum power generation capacity of both Units 1 and 2 is 1000kw/day. Consider calculating the amount of overflow for a construction plan that requires the shutdown of Unit 1 during a five-day period on the 14th. In this case, the overflow amount calculation unit 13 acquires the water amount performance data of power plant A from the performance management server 30, and calculates the overflow amount for every five consecutive days. For example, when calculating the overflow amount for the schedule according to the desired construction plan, the acquired water amount actual data is 1300kw/day from May 10th to May 12th, and 1300kw/day from May 13th to May 14th. If it is 1500kw/day, 1000kw/day can be consumed by the second unit, so the amount of overflow can be calculated as 300kw x 3 + 500kw x 2 = 1900kw.

The overflow amount calculation unit 13 can calculate the overflow amount by referring to the maintenance/construction/shutdown plan stored in the maintenance/work/shutdown plan storage unit 18. In this case, the overflow amount of the power generation equipment for which a shutdown plan has already been planned for the power generation equipment to be shut down with reference to the maintenance/construction/shutdown plan can be calculated as "0". It will be easier to plan construction plans to match the flooding period (when outages are scheduled) according to the conservation plan.

The overflow amount calculation unit 13 outputs the calculated overflow amount to the proposal unit 14.
The proposal section 14 proposes changing the desired construction period to another construction period based on the amount of overflow calculated by the overflow amount calculation section 13. As another construction period, it is possible to propose construction periods in order of decreasing amount of overflow. If the period when the amount of overflow is the smallest coincides with the desired construction period, the proposal unit 14 does not need to propose changing to another construction period. If the amount of overflow is the same for multiple construction periods, a construction period closer to the desired construction period can be proposed as another construction period. Therefore, it is possible to initially suggest the construction period when the amount of overflow will be the smallest. We have already proposed the construction period when the amount of overflow will be the smallest, and if we make another proposal, we can suggest the construction period when the amount of overflow will be the next smallest. For example, the amount of water overflowing in the five days from May 10th to May 14th, which is the desired construction period, is 1,900kw, but the amount of flooding in the five days from October 3rd to October 7th is 0kw. Consider the smallest case. In this case, the proposal unit 14 proposes changing the five days from October 3rd to October 7th to another construction period. The proposal by the proposal unit 14 may be made by displaying the proposal on the display of the output unit 16.
FIG. 3 is a display example of a proposal displayed on the output unit 16 by the proposal unit 14. In the example of FIG. 3, the proposal is made by indicating that the power plant outage period will be shortened depending on the construction period after the change. In other words, in Figure 3, the shutdown of the power plant due to the original construction period is shown as the "base plan", and the construction period after the change is shown as the "changed plan", and the construction period of the changed plan is displayed as the construction period of the base plan. You can see at a glance that the length is also shorter. By referring to this display, the construction period can be changed while visually confirming it.

A construction plan confirmation unit 15 receives an input for confirming a change in the construction period according to another construction period proposed by the proposal unit 14, and finalizes the construction plan by setting the construction period for which the confirmation has been accepted as the final construction period. An input to confirm a change in the construction period can be made using the input unit 11.

Even when the construction plan determination unit 15 receives from the shutdown equipment determination unit 12 that there is no power generation equipment to be shut down, the construction plan determination unit 15 can finalize the construction plan. If there is no power generating equipment to be shut down, the construction plan confirmation unit 15 receives an input to confirm the construction plan with the desired construction period included in the original construction plan, and then starts the construction work using the confirmed construction period as the final construction period. Finalize your plan. If the desired construction period is confirmed, the confirmation process may be omitted. The confirmed construction plan can be stored in the maintenance/construction/shutdown plan storage section 18.

The output unit 16 can function as a construction plan output unit that outputs the construction plan determined by the construction plan determination unit. As the output unit 16, an arbitrary user interface such as a display or a speaker, and a processing device such as a processor that controls these, appropriately processes predetermined information, and outputs it to the user interface can be used.

4 and 5 are diagrams showing examples of output display on the output unit 16, which is a display. FIG. 4 is an example of an overview of the annual construction plan, and FIG. 5 is an example of a detailed display of the construction plan of a specific power plant at a specific time. In Figure 4, "Power Plant A" and "Power Plant B" are shown, and "Power Plant A" has "Unit 1" and "Unit 2" as power generation facilities, and their power generation facilities are " It can be seen that there are "device a", "device b", "device c", and "device d". According to Figure 4, for example, work (maintenance work or construction work) is planned for "equipment b" and "equipment c" in May at "unit 1" of "power plant A", and power generation will be halted. It has been shown that it is planned to do so. Furthermore, if you want to refer to the work details and stoppage times for this May, select May for this "A power plant" using the mouse, which is the input section 11, and the detailed display will change to the one shown in Figure 5. A power generation outage is planned for May 2nd to May 12th (indicated by a darkly filled bar), and a maintenance plan is scheduled for "Equipment B" from May 2nd to May 9th (indicated by a lightly filled bar). A construction plan is scheduled for "equipment c" from May 2nd to 7th (indicated by a solid bar), and a maintenance plan is scheduled for May 8th to May 12th. (indicated by a thinly filled bar).

The power plant evaluation index providing unit 17 obtains the actual power generation amount and the expected construction cost, and provides a predicted power plant evaluation index. As the actual power generation amount, a value obtained by converting the power generation amount performance, which is the actual amount of power generation over a predetermined number of years at a hydroelectric power plant, into a monetary amount can be used. As the expected construction cost, the construction cost included in the construction plan output from the construction plan output section can be used.

The power plant evaluation index providing unit 17 can output, as a predicted power plant evaluation index, a value obtained by adding the acquired expected construction cost to the actual power generation amount for the period corresponding to the fixed construction period of the construction plan. This power plant evaluation index considers the amount of power that could have been generated during the construction period as the amount of overflow and records it as a loss, and then adds the construction cost as a loss and records it.

FIG. 6 is a diagram illustrating an example of displaying the actual power generation amount, and FIG. 7 is a diagram illustrating an example of displaying a comparison between the expected power generation amount actual amount and the value obtained by converting the actual power generation amount into a monetary amount. As shown in FIG. 6, the power plant evaluation index providing unit 17 can provide an index for evaluating the profitability of the power plant as a power plant evaluation index by displaying the actual power generation amount. Further, as shown in FIG. 7, the power plant evaluation index providing unit 17 compares and displays the planned power generation amount (actual power generation amount) and the actual power generation amount (actual power generation amount) and displays the result as an evaluation index. By doing so, it is possible to evaluate whether the construction plan has been set efficiently. Here, the actual power generation amount is a value obtained by converting the actual power generation amount, which is the actual power generation amount, into a monetary amount. As shown in FIGS. 6 and 7, the amount of power generation may be converted into a monetary amount and displayed, or the amount of power generation may be displayed as a power amount such as MW.

The maintenance/construction/shutdown plan storage unit 18 is a storage unit that stores information on maintenance plans, construction plans, and shutdown plans for the hydroelectric power plant. It is also possible to temporarily store a desired construction plan, which is a construction plan before it is finalized. Furthermore, in a hydroelectric power plant, there are construction plans and maintenance plans as factors that stop power generation. The construction plan is a plan for work on equipment due to unexpected failures. A maintenance plan is a plan for pre-scheduled work on equipment, such as periodic inspection of equipment.

FIG. 8 is a diagram showing an example of a suspension item table stored in the suspension information providing server 20. As shown in FIG. 8, the shutdown item table is a table that associates the equipment targeted by the construction plan with the power generation equipment whose power generation needs to be stopped when the equipment targeted by the construction plan is shut down. . The outage information providing server 20 refers to the outage item table and passes necessary information in response to a request from the outage equipment determination unit 12. For example, when receiving a request from the shutdown equipment determination unit 12 to inquire about the equipment to be shut down when construction is performed on the "Unit 1 switchboard," the table in FIG. The information that "the machine is stopped" is passed to the stopped equipment determination section 12.

Returning to FIG. 2, the performance management server 30 has a performance database that stores water volume performance data 31 and power generation performance data 32.

9 and 10 are diagrams showing an example of the water amount performance data 31 stored in the performance database. The water amount record data 31 is a record of water amount fluctuations indicating how much water was available in the past at the hydroelectric power plant. The fluctuation performance only needs to show how the amount of water fluctuates with respect to the time axis, and may be a daily performance or an hourly performance. In addition, it is preferable to use the average value of water amount over multiple years as the fluctuation record.
The water amount performance data may be displayed on the output section 16, which is a display, when acquired by the overflow amount calculation section 13. When displaying, as shown in Figure 9, after displaying the actual water volume fluctuations throughout the year (river flow) on one screen, the details of the daily water volume fluctuations in the selected month can be displayed as shown in Figure 10. You can.

Next, the operation of the optimization support server for construction plans for a hydroelectric power plant according to this embodiment will be explained. FIG. 11 is a flowchart showing the operation of the construction plan optimization support server for a hydroelectric power plant according to this embodiment. FIG. 12 is a diagram showing an example of a work order input screen.
The construction plan optimization support server 10 can receive input of a work order at the input unit 11 (step S91). A work order is a format for inputting a desired construction plan, and for example, items such as a work title, power plant name, target equipment, requested date and time can be input. When receiving the input of a work order, the construction plan optimization support server 10 can display a format for inputting these items on the output unit 16, as shown in FIG.

Upon receiving the input of the work order, the shutdown equipment determination unit 12 determines whether there is any power generation equipment that requires stopping power generation (step S92). If the shutdown equipment determination unit 12 determines that there is a power generation equipment whose power generation needs to be stopped (step S92: Yes), it sends information on the power generation equipment to be stopped to the overflow amount calculation unit 13. On the other hand, if the shutdown equipment determining unit 12 determines that there is no power generation equipment whose power generation needs to be stopped (step S92: Yes), it sends to the construction plan determining unit 15 that there is no power generation equipment to be stopped.

If it is determined that there is a power generation facility whose power generation needs to be stopped (step S92: Yes), the overflow amount calculation unit 13 calculates the overflow due to the stoppage of the power generation facility based on the actual water amount related to the power generation facility whose power generation needs to be stopped. The amount of water is calculated (step S93). The overflow amount calculation unit 13 passes the calculated overflow amount to the proposal unit 14.

The proposal unit 14 proposes changing the desired construction period to another construction period based on the overflow amount calculated by the overflow amount calculation unit 13 (step S94). The proposal unit 14 can propose different construction periods in descending order of the amount of overflow. The order of proposals may be such that the construction plan can be set efficiently.

The construction plan confirmation unit 15 can receive an input to confirm a change in the construction period (step S95). If the input to be finalized is received (step S95: Yes), the construction plan determination unit 15 finalizes the input construction plan with the determined construction period (step S96). The construction plan confirmation unit 15 can store the confirmed construction plan in the maintenance/construction/stoppage plan storage unit 18. On the other hand, if no finalizing input is received (step S95: No), the construction plan finalizing unit 15 instructs the proposing unit 14 to execute the proposal again.

According to the hydropower plant construction plan optimization support system equipped with the hydropower plant construction plan optimization support server described above, when managing the construction plan at the hydropower plant, it is possible to reduce the power generation efficiency in hydropower generation. It is possible to calculate the amount of overflow that is considered to be a factor, and to propose the optimal timing based on the calculation results, supporting the setting of construction plans for efficient power generation.

In addition, in the above embodiment, the proposal unit 14 proposed construction times in descending order of the amount of overflow as a method of proposing different construction times, but a method different from this may be used. For example, the overflow amount calculated by the overflow amount calculating section 13 at a plurality of periods can be visually expressed (displayed) on the output section 16.

In addition, although the above embodiment showed the example which comprised the optimization support system of the construction plan of a hydroelectric power plant by several servers, it is not limited to this. A performance database storing the stop item table, water amount performance data, and power generation amount performance data may be provided in the construction plan optimization support server.

10 Construction plan optimization support server 11 Input section 12 Shutdown equipment determination section 13 Overflow amount calculation section 14 Proposal section 15 Construction plan confirmation section 16 Output section 17 Power plant evaluation index provision section 18 Maintenance/construction/shutdown plan storage section 20 Shutdown Information provision server 30 Performance management server

Claims (11)

a construction plan input unit that accepts input of a desired construction plan including a desired construction period, which is the desired construction period for the equipment in the equipment of the hydroelectric power plant;
a shutdown equipment determination unit that determines power generation equipment that requires power generation to be stopped when equipment targeted by the desired construction plan that has received the input is stopped;
an overflow amount calculation unit that calculates the amount of water overflow due to the stoppage of the power generation equipment based on the water volume record of the power generation equipment that has been determined to need to be stopped, when the stop equipment determination unit determines that the power generation equipment needs to be stopped; ,
a proposal department that proposes changing the desired construction period to another construction period based on the calculated overflow amount;
a construction plan confirmation unit that accepts an input to confirm a change in the construction period according to another construction period proposed by the proposal unit, and finalizes the construction plan by setting the construction period for which the confirmation has been accepted as the final construction period;
a construction plan output unit that outputs the construction plan determined by the construction plan determination unit;
Equipped with
The shutdown equipment determination unit identifies equipment that needs to be shut down by referring to a shutdown item table that associates the equipment targeted by the construction plan with the power generation equipment whose power generation needs to be stopped when the equipment is shut down. make a judgment,
The proposal department shall prioritize the construction period in which the amount of overflow will be smaller than the amount of overflow in the desired construction period, and if there are multiple construction periods with the same amount of overflow as the amount of overflow judged to be small, the proposal department shall A support server for optimizing a construction plan for a hydroelectric power plant, characterized in that it preferentially proposes a construction period that is closest to the desired construction period among the construction periods . The construction plan confirmation unit is characterized in that when the shutdown equipment determination unit determines that there is no power generation equipment that requires stopping power generation, the construction plan determination unit determines the construction plan input by the construction plan input unit. The optimization support server for a construction plan for a hydroelectric power plant according to claim 1. 3. The overflow amount calculation unit obtains the water amount performance regarding the power generation equipment by referring to a water amount database that stores the water amount performance over a predetermined number of years regarding the power generation equipment. Optimization support server for construction plans for hydroelectric power plants. The actual amount of power generated each month, which is the monthly amount of power generated over a predetermined number of years at the hydroelectric power station, converted into a monetary amount, and the construction work included in the construction plan output from the construction plan output section. Obtain the estimated construction cost, which is the cost, and add the estimated construction cost obtained above to the actual power generation amount for the period corresponding to the final construction period of the construction plan, which is converted from the actual power generation amount for each month. 4. Optimization support for a construction plan for a hydroelectric power plant according to any one of claims 1 to 3 , further comprising a power plant evaluation index providing unit that provides the estimated value as a predicted power plant evaluation index. server. The power plant evaluation index providing unit obtains the actual amount of power generated each month, which is the actual amount of power generated each month , which is the actual amount of power generated at the hydroelectric power station, converted into a monetary amount, and calculates the actual amount of power generated each month. 5. The optimization support server for a construction plan for a hydroelectric power plant according to claim 4, wherein a comparative display of the amount and the actual amount of power generation amount for each month is provided as an evaluation index. A support server for optimizing construction plans for a hydroelectric power plant according to any one of claims 1 to 5 ;
an outage information providing server that stores a outage item table that associates equipment targeted by the construction plan with power generation equipment whose power generation needs to be stopped when the equipment is stopped;
1. A support system for optimizing construction plans for a hydroelectric power plant, comprising: a performance management server that stores a performance database that stores water volume performance over a predetermined number of years regarding the power generation equipment. A method for supporting the optimization of a construction plan for a hydroelectric power plant, wherein a support server for optimizing the construction plan for a hydroelectric power plant executes each process, the method comprising:
a construction plan input step that receives an input of a desired construction plan including a desired construction period, which is the desired construction period for the equipment in the equipment of the hydroelectric power plant;
A stopped equipment determination step of determining whether there is any power generation equipment that requires stopping power generation when the equipment targeted by the desired construction plan that has received the input is stopped;
an overflow amount calculation step of calculating the amount of overflow due to the shutdown of the power generation equipment based on the water volume record of the power generation equipment determined to be required to be shut down, when there is power generation equipment that is determined to need to be shut down in the shutdown equipment determination step; ,
a proposal step of proposing to change the desired construction period to another construction period based on the calculated overflow amount;
a construction plan confirmation step of accepting an input to confirm a change in the construction period according to another construction period proposed in the proposal step, and finalizing the construction plan by setting the construction period for which the confirmation has been accepted as the final construction period;
a construction plan output step that outputs the construction plan determined in the construction plan determination step;
including;
The equipment to be shut down determination process is performed by referring to a shutdown item table that associates the equipment targeted by the construction plan with the power generation equipment whose power generation needs to be stopped if the equipment is to be shut down. make a judgment,
The above proposal process prioritizes the construction period in which the amount of overflow is smaller than the amount of overflow in the desired construction period, and if there are multiple construction periods with the same amount of overflow as the amount of overflow judged to be small, the construction period is A method for supporting the optimization of a construction plan for a hydroelectric power plant , the method comprising: preferentially proposing a construction period that is closest to the desired construction period among the construction periods . The construction plan confirmation step is characterized in that, when it is determined in the shutdown equipment determination step that there is no power generation equipment that requires the suspension of power generation, the construction plan input in the construction plan input step is determined. The method for supporting optimization of a construction plan for a hydroelectric power plant according to claim 7 . 9. The overflow amount calculating step includes obtaining the actual water amount regarding the power generation facility by referring to a water amount database that stores the amount of water over a predetermined number of years regarding the power generation facility. A method for supporting optimization of a construction plan for a hydroelectric power plant as described in Section 1. The actual amount of power generated each month, which is the monthly amount of power generated over a specified number of years at the hydroelectric power station, converted into a monetary amount, and the construction work included in the construction plan output in the construction plan output process. Obtain the estimated construction cost, which is the cost, and add the obtained estimated construction cost to the actual power generation amount for the period corresponding to the final construction period of the construction plan converted from the actual power generation amount for each month. Optimization of a construction plan for a hydroelectric power plant according to any one of claims 7 to 9 , further comprising a power plant evaluation index providing step of providing the added value as a predicted power plant evaluation index. How to help. In the power plant evaluation index providing step, the actual power generation amount for each month is obtained by converting the actual power generation amount for each month , which is the actual power generation amount at the hydroelectric power plant, into a monetary amount, and the actual amount of power generation for each month is obtained. 11. The method for supporting optimization of a construction plan for a hydroelectric power plant according to claim 10 , further comprising providing a comparative display of the amount and the actual amount of power generation for each month as an evaluation index.

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