WO2022024432A1 - Power management device, and power management method - Google Patents

Abstract

This power management device assesses, on the basis of information regarding a prescribed power transfer performed between application-side equipment that is a self-managed load or generator and counterpart-side equipment that is another load or generator, whether another load or generator that is managed by the power management device and that can transfer at least some of the prescribed power is present as the counterpart equipment. In cases where another load or generator is present, said power management device executes an intra-region power adjustment process in which a control for transferring power between the application-side equipment and the other load or generator id performed. In cases where no other load or generator is present, said power management device executes an inter-region power adjustment process in which: a requested device, which is a device other than the power management device and which manages the load or generator that can transfer at least some of the prescribed power, is searched for on the basis of prescribed criteria relating to the power system; and, in cases where it was possible to search for the requested device, a control is performed for transferring power between the application-side equipment and the load or generator managed by the requested device.

Description

Power management device and power management method

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

=== Import by reference ===
This application claims the priority of Japanese Patent Application No. 2020-126256 filed on July 27, 2020 and incorporates it into this application by reference to its contents.
With the spread of IoT (Internet of Things), electric power systems are becoming more sophisticated and diversified. For example, electric power services are diversifying due to the coloring of electric power, subscription to electric power charges, and the spread of renewable energy.

Under such circumstances, there is an increasing need to enable stable operation of the power system as an infrastructure system. In this regard, as a technique for handling surplus power generated in a power system, for example, in Patent Document 1, a power supply control system includes a power status acquisition unit, a power amount information acquisition unit, a power supply / demand prediction unit, and a control unit. The power status acquisition unit acquires power supply status information from the grid to consumers, the power amount information acquisition unit acquires power supply amount information from the power supply device for each consumer, and the power supply / demand forecasting unit acquires power. Based on the information acquired by the quantity information acquisition unit, the power supply and demand status of each consumer is predicted, and the control unit is the information acquired by the power status acquisition unit and the power quantity information acquisition unit and the power supply and demand forecasting unit. It is stated that the source and destination of surplus electricity among consumers will be determined based on the forecast results.

Japanese Unexamined Patent Publication No. 2017-153267

Patent Document 1 adjusts electric power based on the balance between supply and demand of electric power among consumers. As described above, various facilities and systems are introduced into the electric power system due to the sophistication and complexity of electric power systems. Then, the power adjustment affects the power system, and the power system may become unstable.

The present invention has been made in view of such a situation, and an object of the present invention is to provide a power management device and a power management method capable of stably operating a power system.

One of the present inventions for solving the above-mentioned problems is a power management device including a processor and a memory, which manages a load connected to a power system or a power related to a generator, and is a load managed by itself or a power management device. Based on the information of the transfer of predetermined power between the application side equipment which is a generator and another load or the other side equipment which is a generator, as the other side equipment, at least a part of the predetermined power. It is determined whether or not there is another load or generator managed by the power management device that can be exchanged, and if there is another load or generator managed by the power management device, the application side equipment. And the regional power adjustment process that controls the transfer of power to and from the other load or generator, and the other load or generator managed by the power management device as the other equipment. If not, the requested device, which is a device other than the power management device that manages a load or a generator capable of transmitting and receiving at least a part of the predetermined power, is set to the predetermined conditions for the power system. If the request target device can be searched based on the search, the area where the control for the transfer of power is performed between the application side equipment and the load or generator managed by the request target device is performed. It is a power management device that executes power adjustment processing.

Further, another one of the present invention for solving the above-mentioned problems is managed by an information processing apparatus provided with a processor and a memory and managing power related to a load or a generator connected to a power system. Based on the information of the transfer of predetermined power between the application side equipment which is a load or a generator and the other side equipment which is another load or a generator, the other side equipment is at least one of the predetermined powers. It is determined whether or not there is another load or generator managed by the power management device that can be exchanged, and if there is another load or generator managed by the power management device, the application is made. Local power adjustment processing that controls the transfer of power between the side equipment and the other load or generator, and the other load or power generation managed by the power management device as the other side equipment. If there is no machine, a requested device, which is a device other than the power management device that manages a load or a generator capable of transmitting and receiving at least a part of the predetermined power, is a predetermined device related to the power system. If the search is performed based on the conditions and the requested device can be searched, control for exchanging the power is performed between the application side equipment and the load or generator managed by the requested device. It is a power management method that executes inter-regional power adjustment processing.

According to the present invention, the power system can be operated stably.

Issues, configurations and effects other than those described above will be clarified by the explanation of the following embodiments.

It is a figure which shows an example of the structure of the electric power management system which concerns on this embodiment. It is a figure explaining the detail of the function provided with the area power management apparatus. It is a figure explaining an example of contents of electric power system information and electric power supply information. It is a figure which shows an example of the resource information in a region. It is a figure which shows an example of the hardware composition which each of a power transaction management server, a power system monitoring control server, a regional power management device, and a facility management device has. It is a figure explaining the outline of an example of the electric power transfer processing which concerns on electric power transaction. It is a flow chart explaining the electric power transfer processing which concerns on electric power transaction. It is a figure which shows an example of the electric power transaction contract information. It is a figure which shows an example of the resource / transaction correspondence table in a region. It is a flow diagram explaining the details of the proxy request destination candidate calculation process. It is a figure which shows an example of the request information outside the area. It is a figure which shows an example of the response information outside the region.

FIG. 1 is a diagram showing an example of the configuration of the power management system 1 according to the present embodiment. The power management system 1 is provided corresponding to a power system 108 such as a commercial power system.

That is, the power management system 1 is connected to a power transaction management server 103, a power system monitoring and control server 104, a plurality of regional power management devices 101 (101a, 101b), and one or a plurality of regional power management devices 101. The equipment management device 111 (111a, 111b, 111c, 111d) and one or more facilities 113 (113a, 113b, 113c, 113d) connected to each facility management device 111 are included.

Communication between the power transaction management server 103, the power system monitoring and control server 104, and the regional power management device 101 is possible by a wired or wireless communication network 105 such as LAN (Local Area Network), WAN (Wide Area Network), and the Internet. It is connected to the.

Further, between the regional power management device 101 and each facility management device 111, and between the facility management device 111 and each facility 113, a dedicated line, LAN (Local Area Network), WAN (Wide Area Network), the Internet, etc. It is communicably connected by a wired or wireless communication network 106.

The details of each of these devices will be described below.

First, the equipment 113 is a load L that consumes electric power, which is managed by an electric power consumer, a supplier, a prosumer (electric power producer), or the like (hereinafter, these persons are referred to as electric power users in the present specification). Or, it is an electric power facility such as a generator G that generates electric power. Each facility 113 is connected to the power system 108.

The equipment management device 111 is an information processing device managed by an electric power user, an electric power company, or the like. The equipment management device 111 is connected to each equipment 113 managed by the electric power user, and stores information (resource information) regarding the configuration and attributes of each equipment 113. Each electric power user makes an electric power transaction with the equipment 113 of another electric power user regarding the equipment 113 managed by the electric power user.

The electric power transaction of the present embodiment is a transaction in which the electric energy amount (hereinafter referred to as the target amount) between the facilities 113 agreed by the transaction is exchanged at a predetermined time (implementation time) after the transaction is completed. In the electric power transaction of the present embodiment, the electric power generated by the certain equipment 113 is supplied to the other equipment 113 (electric power supply transaction), and the electric power of the certain equipment 113 is consumed from the other equipment 113. It is assumed that there is a transaction (electric power demand transaction) that receives the supply of electric power.

The regional power management device 101 is an information processing device provided for each predetermined region. The regional power management device 101 aggregates and manages the resource information of the facility management device 111 in the area in which it is in charge (hereinafter referred to as its own area). The regional power management device 101 is configured as, for example, an AEMS (Area Energy Management System). Details of the functions of the regional power management device 101 will be described later.

In the present embodiment, the area refers to a predetermined space range such as a building or an administrative area, and its size, number, type, etc. are not particularly limited.

The electric power transaction management server 103 is an information processing device that manages electric power transactions performed between electric power users.

Specifically, for example, the electric power transaction management server 103 receives an application request for electric power transaction (hereinafter referred to as a transaction request) for each equipment 113 from the equipment management device 111 managed by each electric power user or a predetermined information processing device. do. Further, the electric power transaction management server 103 receives consent information corresponding to the transaction request from each equipment management device 111 or a predetermined information processing device. Then, the electric power transaction management server 103 registers the information of the electric power transaction established by matching the contents of the transaction request and the consent information. The electric power transaction management server 103 transmits information on the established electric power transaction to the electric power system monitoring and control server 104.

Next, the power system monitoring control server 104 is a control system that controls the power system 108, for example, adjusting the voltage in the power system 108.

The power system monitoring and control server 104 is based on the power transaction information received from the power transaction management server 103, and when the time for power transfer is reached, the power system monitors and controls the power system for the transfer of the target amount of power, which is the content of the power transaction. The power of 108 is controlled.

Next, FIG. 2 is a diagram illustrating details of the functions provided in the regional power management device 101.

The regional electric power management device 101 includes electric power transaction contract information 311 that records information on each electric power transaction before and after the establishment, regional resource information 312 that records information on equipment 113 in the area (own area) that it manages, and internal power management device 101. Regional resource / transaction correspondence table 313 that is information on electric power transactions related to equipment 113, electric power system information 314 that stores the system configuration of electric power system 108, and current electric power supply / demand balance for each system in electric power system 108. Each information of the power supply information 315 that stores the information (hereinafter referred to as grid supply status information) is stored.

(Power system information, power supply information)
FIG. 3 is a diagram illustrating an example of the contents of the power system information 314 and the power supply information 315. The power system information 314 shows the configuration structure of each system in the power system 108.

That is, the power system 108 is composed of a first layer (first voltage) system 707 connected to a predetermined power generation facility 709 and two second layers (second voltage lower than the first voltage) distributed to this system 707. It is a distribution system including systems 705 and 706 and systems 701 to 703 and 704 of the third layer (third voltage lower than the second voltage) that distribute power to each of the systems 705 and 706 of the second layer.

The first system 701 of the third layer, which is connected to one system 705 of the second layer, distributes power to each facility 113 of the plurality of area groups 721 to 723. The second system 703 of the third layer distributes power to each facility 113 of the plurality of regional groups 724 to 725. The third system 704 of the third layer distributes power to each facility 113 of the plurality of regional groups 726 to 727.

The third layer system 704 connected to the other system 706 of the second layer distributes power to each facility 113 of the plurality of regional groups 728 to 729.

The power supply information 315 is information on the power supply and demand balance in each of these systems. For example, the power supply and demand balance in the third layer systems 702 to 704 and the power supply in the second layer systems 705 to 706. Includes information on the supply and demand balance of 715 to 716 and the power supply and demand balance of 717 in the first layer system 707.

Next, as shown in FIG. 2, the regional power management device 101 includes a regional management / interregional coordination unit 321, a resource / transaction response management unit 322, a post-transaction status monitoring unit 323, an regional resource management unit 324, and actual results. Each functional unit of the acquisition unit 325, the transaction information acquisition unit 326, the control instruction unit 327, and the data communication unit 328 is provided.

Next, as shown in FIG. 2, the transaction information acquisition unit 326 receives information on the electric power transaction between electric power users from the electric power transaction management server 103, and stores it in the electric power transaction contract information 311.

The regional resource management unit 324 receives the resource information of each facility 113 from each facility management device 111 connected to itself (regional power management device 101). The regional resource management unit 324 stores this resource information in the regional resource information 312.

The resource / transaction correspondence management unit 322 manages the regional resource / transaction correspondence table 313 generated based on the electric power transaction contract information 311 and the regional resource information 312.

Here, the regional resource information 312 will be described.

(Regional resource information)
FIG. 4 is a diagram showing an example of regional resource information 312. The regional resource information 312 includes identification information 421 of each facility 113 in the region, the owner 422 of the facility 113 (power user), the contents of the facility 113 (equipment 423), and the type 424 of the facility 113 (load, generator, etc.). ), The maximum capacity of the power of the equipment 113 (load capacity or power generation capacity, etc.), the control information 426 which is the information necessary for controlling the equipment 113 (control command, etc.), and the update date and time 427 of these information. It is a database composed of one or more records having.

Next, as shown in FIG. 2, the post-transaction condition monitoring unit 323 monitors the condition of the equipment 113 in the own area in the established electric power transaction.

The performance acquisition unit 325 manages the history of power fluctuations of each facility 113 in its own area.

The regional management / interregional coordination unit 321 transfers and receives electric power between the equipment 113 in the region or between the equipment 113 across the regions. Specifically, the regional management / interregional coordination unit 321 includes an regional power adjustment processing unit 3211 and an interregional power adjustment processing unit 3212.

The regional power adjustment processing unit 3211 has information on the transfer of power between the load or generator (application side equipment) managed by itself and another load or generator (counterpart equipment) (regional resources). Based on the transaction correspondence table 313), it is determined whether or not there is another load or generator managed by the other party that can transfer and receive the power, and such other load or generator is used. In some cases, control is performed for the transfer of power between the application side equipment and other loads or generators.

In this embodiment, the regional power adjustment processing unit 3211 acquires information on the current control state of the application side equipment and the other side equipment, and based on the acquired control state information, power transfer in the power transaction is performed. It is determined whether or not the execution can be performed at the implementation time, and when it is determined that the execution cannot be completed at the implementation time, the control for power transfer is performed.

Next, the interregional power adjustment processing unit 3212 installs a load or generator capable of giving and receiving at least a part of the power in the power transaction when there is no other load or generator managed by itself as the other party's equipment. Another device to be managed (request target device) is searched based on the predetermined conditions related to the power system 108, and if the request target device can be searched, the application side equipment and the load or power generation managed by the request target device are found. Controls the transfer of power to and from the machine.
In the present embodiment, the interregional power adjustment processing unit 3212 preferentially searches for a requested device corresponding to a load or a generator connected to a system having a lower voltage in the power system 108.

The control instruction unit 327 transmits the information of the control instruction related to the regional power adjustment processing unit 3211 to the equipment management device 111.

The data communication unit 328 transmits / receives data to / from other devices.

Here, FIG. 5 is a diagram showing an example of the hardware configuration included in each of the power transaction management server 103, the power system monitoring and control server 104, the regional power management device 101, and the equipment management device 111.

The power transaction management server 103 includes a processing device 132 that is a processor such as a CPU (Central Processing Unit) and a GPU (Graphics Processing Unit), and a RAM (RandomAccessMemory) or ROM (ReadOnlyMemory) and an HDD (HardDiskDrive). , Or a storage device 131 composed of an SSD (Solid State Drive) or the like, and a communication device 133 such as a network interface card.

Similarly, the power system monitoring and control server 104 also includes a processing device 142, a storage device 141, and a communication device 143. The regional power management device 101 also includes a processing device 152, a storage device 151, and a communication device 153. The equipment management device 111 also includes a processing device 162, a storage device 161 and a communication device 163.

Note that these devices may further include an input device (keyboard, touch panel, etc.), an output device (monitor, display, etc.), and the like.

The functions of the power transaction management server 103, the power system monitoring and control server 104, the regional power management device 101, and the equipment management device 111 are stored in the storage devices 131, 141, 151, 161 by the processing devices 132, 142, 152, 162. It is executed by reading the program that realizes each function.

Next, the processing performed by the power management system 1 will be described.

<Processing>
FIG. 6 is a diagram illustrating an outline of an example of a process (electric power transfer process related to electric power transaction) performed by the electric power management system 1.

First, when an electric power transaction for providing the electric power of a certain equipment 113a of a certain electric power user to the equipment 113 of another electric power user in the area A is established, the electric power transaction management server 103 records the information of the electric power transaction (s1), and the electric power. Notify the system monitoring control server 104 of the contract result (s2). At the implementation time, the power system monitoring and control server 104 controls the voltage and the like with respect to the power system 108 in order to realize the content of the power transaction (s3).

Here, after the conclusion of the electric power transaction and before the deadline for implementation is reached, the circumstances that were not predicted at the time of the conclusion of the transaction in the electric power system 108 (changes in weather, sudden changes in the operating status of each facility 113, etc.) If the power system monitoring and control server 104 performs power control at the execution time, the power system 108 may become unstable (for example, the voltage may become unstable) and the contents of the power transaction may not be realized. be.

In such a case, the regional power management device 101a in region A detects that the contents of the established power transaction cannot be realized (s4).

The regional electric power management device 101a in the region A may transfer, on behalf of, to each facility 113a of another electric power user (equipment management device 111) in the region A, the amount of electric power insufficient to realize the electric power transaction. Inquires whether or not it can be done, and if a proxy is possible, causes the equipment 113a to execute electric power trading (s5).

If proxy is not possible, the regional power management device 101a in the area A will supply the regional power management devices 101b and 101n in the areas other than the area A with the amount of power insufficient to realize the power transfer related to the power transaction. The transfer (specifically, the facilities 113b and 113n transfer and receive electric power) is performed on behalf of the user (s6, s7, s8).

In this way, when the regional electric power management device 101 adjusts the electric power within or between regions according to the situation after the establishment of the electric power transaction, the electric power system 108 becomes unstable. Even so, it is possible to realize power transfer related to power trading while stabilizing the power system 108.

The details of the power transfer process related to power transactions will be explained below.

<Electricity transfer processing related to electricity transactions>
FIG. 7 is a flow chart illustrating an electric power transfer process related to electric power trading. The electric power transfer process related to the electric power transaction is a process performed by the regional electric power management device 101 in each region, and is executed at a predetermined timing (for example, a predetermined time or a predetermined time interval).

First, the transaction information acquisition unit 326 of the regional electric power management device 101 of each region (own region) acquires the information of each established electric power transaction (s501).

For example, the transaction information acquisition unit 326 receives information on completed electric power transactions related to the equipment 113 in its own area from the electric power transaction management server 103, and registers it in the electric power transaction contract information 311.

(Electricity transaction contract information)
FIG. 8 is a diagram showing an example of electric power transaction contract information 311. The electric power transaction contract information 311 includes identification information 411 of the completed transaction, an applicant 412 in the transaction (electric power user on the transmitting side of the transaction request or equipment managed by the electric power user 113), and transaction type 413 (electric power demand transaction or electric power). Supply transaction), the partner 414 (the power user on the transmitting side of the consent information or the other side equipment managed by the power user), the power transfer implementation time 416 related to the power transaction, and these. It is a database composed of one or more records having each information of the information update date and time 415.

Next, as shown in FIG. 7, the resource / transaction correspondence management unit 322 generates the regional resource / transaction correspondence table 313 by integrating the electric power transaction contract information 311 and the regional resource information 312 (s502). ..

(Regional resource / transaction correspondence table)
FIG. 9 is a diagram showing an example of the regional resource / transaction correspondence table 313.

Specifically, the regional resource / transaction correspondence table 313 shows the transaction identification information 431 corresponding to the identification information 411 of the electric power transaction contract information 311 and the applicant 432 corresponding to the owner 422 of the electric power transaction contract information 311. Equipment 433 (application side equipment) corresponding to equipment 423 of internal resource information 312, transaction type 434 corresponding to type 413 of power transaction contract information 311 and current operating status 435 (normal or abnormal) of equipment 113 related to transaction Etc.), the cooperation partner 436 (counterpart equipment) corresponding to the cooperation partner 414 of the electric power transaction contract information 311, the implementation time 437 corresponding to the implementation time 416 of the electric power transaction contract information 311, and the target amount of electric power 438 specified in the transaction. It is a database composed of one or more records having each information of the actual / predicted 439 which is the current actual amount or the predicted amount with respect to the target amount of electric power 438, and the update date / time 430 of these information.

The information on the operating state 435 is updated at any time by the data transmitted by the equipment management device 111. Further, the value of the actual / predicted 439 may be data transmitted by the equipment management device 111, or may be a value calculated by the regional power management device 101 based on the power data received from the facility management device 111. May be good.

Next, as shown in FIG. 7, the regional electric power management device 101 repeats the following processes of s503 to s510 for each electric power transaction after establishment.

That is, first, the post-transaction condition monitoring unit 323 selects the electric power transaction for which the electric power user in the local area is the applicant, and acquires the information on the current state of the equipment 113 related to the selected electric power transaction (hereinafter referred to as the target transaction). (S503).

For example, the post-transaction condition monitoring unit 323 receives the current operating state (whether or not it is operating normally) of each equipment 113 related to the target transaction from the equipment management device 111, and receives the received information as a resource in the area. Register in the operating status 435 of the transaction correspondence table 313.

The post-transaction condition monitoring unit 323 determines whether or not the implementation time of power transfer related to the target transaction has arrived (s504).

When the execution time of power transfer related to the target transaction has arrived (s504: YES), the post-transaction status monitoring unit 323 selects the next transaction of the target transaction, repeats the process of s503, and relates to the target transaction. If the time for power transfer has not arrived (s504: NO), the next process of s505 is executed.

That is, the post-transaction condition monitoring unit 323 and the like determine whether or not the power transfer of the target amount of the target transaction can be achieved at the implementation time at present (s505).

For example, the performance acquisition unit 325 sets the time of power transfer related to the target transaction based on the equipment 433, type 434, operating status 435, and performance / forecast 439 related to the target transaction in the regional resource / transaction correspondence table 313. The amount of power that can be transferred (predicted amount) is calculated, and it is determined whether or not the calculated predicted amount is equal to or greater than the target amount.

If the target amount of the target transaction can be achieved (s505: YES), the regional management / interregional coordination department 321 selects the next transaction of the target transaction and repeats the processing of s503, and the target amount of the target transaction is achieved. If it cannot be done (s505: NO), the regional management / interregional coordination unit 321 executes the next processing of s506.

That is, the regional management / inter-regional coordination unit 321 can transfer the target amount of electric power from the equipment 113 in its own region to the equipment 113 in the region other than the equipment 113 related to the target transaction (hereinafter, the target in the region). Search for equipment (referred to as equipment) (s506).

For example, the regional management / interregional coordination unit 321 calculates the difference between the target amount and the predicted amount, and uses the equipment 113 capable of supplying or consuming the electric power corresponding to the calculated difference in the regional resource information 321. The search is performed by referring to the type 424 and the maximum capacity 425 of each record.

If the regional management / interregional coordination unit 321 can transfer and receive the target amount of electric power for the target transaction by the plurality of facilities 113, the regional management / interregional coordination unit 321 specifies the plurality of facilities 113. Further, when there are a large number of applicable equipment 113, the regional management / interregional coordination unit 321 may select the equipment 113 according to a predetermined rule. For example, the regional management / interregional coordination unit 321 may select the equipment 113 in descending order of the maximum capacity, or may preferentially select the equipment 113 having wiring with a smaller power loss.

If the target facility in the area cannot be searched (s507: NO), the regional management / inter-regional coordination unit 321 will use the target amount of power among the facilities 113 in other areas other than the own area as the other party's equipment. The proxy request destination candidate calculation process s510 for specifying the equipment 113 (hereinafter referred to as a non-regional target equipment) that can be transferred and received and the regional power management device 101 (hereinafter referred to as a request target device) that manages the equipment 113 is executed. After that, the regional management / interregional coordination unit 321 selects the next electric power transaction as the target transaction, and repeats the processing after s503.

On the other hand, if the target equipment in the area can be searched (s507: YES), the regional management / interregional coordination unit 321 will supply the power to the searched equipment 113 (the target equipment in the area searched in s506). Generate control information (s508).

For example, the regional management / interregional coordination unit 321 generates a control command in which information on the amount of power that can be exchanged by the target equipment in the region is set based on the command method indicated by the control information 426 of the record acquired in s506.

The control instruction unit 327 transmits the command generated in s508 to the target equipment (target equipment in the area) (s509).

After that, the regional management / interregional coordination department 321 selects the next electric power transaction as the target transaction, and repeats the processing after s503. When the regional power management device 101 executes the processes of s503 to s510 for all the power transactions, the power transfer process related to the power transactions ends.

<Deputy request destination candidate calculation process>
FIG. 10 is a flow chart illustrating the details of the proxy request destination candidate calculation process s510.

The proxy request destination candidate calculation process s510 traces the power system 108 from the lower layer (from the lower voltage system), and preferentially searches for the out-of-region target equipment of the regional power management device 101 of the lower voltage system. It is a process to go.

First, the regional management / interregional coordination unit 321 acquires the power system information 314 and analyzes the configuration of each system of the power system 108 (s602).

For example, the regional management / interregional coordination unit 321 specifies the configuration of the power system 108 shown in FIG.

In addition, the regional management / interregional coordination unit 321 receives the grid supply status information from the power system monitoring / control server 104 (s603).

The regional management / interregional coordination unit 321 extracts all other regions that belong to the system of the current hierarchy (the hierarchy of the system to which the own area directly belongs) (s802).

The regional management / inter-regional coordination department 321 requests the regional power management device 101 of each other region extracted in s802 to control the power of the target equipment outside the region for the target amount of power of the target transaction (region). External request information 901) is transmitted (s803).

After that, the regional management / interregional coordination unit 321 receives the response information (external response information 902) corresponding to the external request information 901 from each regional electric power management device 101.
Here, in each regional power management device 101 that has transmitted the response information (extra-regional response information 902) corresponding to the extra-regional request information 901, the intra-regional management / inter-regional coordination unit 321 complies with the extra-regional request information 901. , Is a power control instruction command for the requested device in the area, and generates a command in which information on the amount of power that can be transferred and received by the area target equipment is set.

Here, the details of the out-of-region request information 901 and the out-of-region response information 902 will be described.

(Request information outside the region)
FIG. 11 is a diagram showing an example of out-of-region request information 901. The out-of-region request information 901 includes predetermined communication header information 911 corresponding to the communication network 105 and request destination area information which is information for specifying the area related to the out-of-region target equipment (for example, identification information of the regional power management device 101). 912, request source area information 913 which is information of the request source area (own area) of the request information 901 outside the area (for example, identification information of the regional power management device 101), and request information which is information indicating the contents of the request. Information including 914.

The request information 914 is information that identifies the request identification information 931 which is the identification information of the request, the implementation time 932, the required supply amount 933 which is the target amount of electric power, and the equipment to be outside the region (equipment on the other side). Includes partner information 934.

(Outside response information)
FIG. 12 is a diagram showing an example of the out-of-region response information 902. The out-of-region response information 902 includes a predetermined communication header information 921 corresponding to the communication network 105, a request source area information 922 corresponding to the request source area information 913 of the out-of-region request information 901, and a request destination of the out-of-region request information 901. The information includes the request destination area information 923 corresponding to the area information 912 and the response information 924 to the request information 914 of the out-of-region request information 901.

The response information 924 is information indicating whether or not the request identification information 941 corresponding to the request identification information 931 of the out-of-region request information 901 and the contents of the request information 914 can be implemented (whether or not electric power can be exchanged). It includes the feasibility of implementation 942 and the amount of power supplied 943, which is the amount of power that can be exchanged.

Next, as shown in FIG. 10, the regional power management device 101 calculates the currently available power (hereinafter referred to as the available power) based on the out-of-region response information 902 received from each regional power management device 101. (S804).

For example, the regional power management device 101 totals the power supply amount 943 of the out-of-region response information 902 for which the implementation enablement / rejection 942 is “possible”. In addition, the regional power management device 101 stores the regional power management device 101 whose implementation possibility 942 is "possible" as a part of the request target device.

Then, the regional management / interregional coordination unit 321 determines whether or not the available power has reached the target amount of the target transaction (s805).

If the available power has reached the target amount (s805: YES), the proxy request destination candidate calculation process s510 is completed, and if the available power has not reached the target amount (s805: NO), regional management -The inter-regional coordination unit 321 performs the following processing.

That is, the regional management / interregional coordination unit 321 determines whether or not the currently selected hierarchy is within the search range (s806).

Note that this search range is a preset parameter in this embodiment. The search range is, for example, data having a content such as "within the upper three layers from the system to which the own area directly belongs".

If the currently selected hierarchy exceeds the search range (s806: NO), the regional management / interregional coordination unit 321 ends the proxy request destination candidate calculation process s510, and the currently selected hierarchy is within the search range. In the case (s806: YES), the regional management / interregional coordination unit 321 executes the following processing.

That is, the regional management / interregional coordination unit 321 specifies the system one level above the system of the currently selected layer and the area to which the system distributes power (s807). In addition, the regional management / interregional coordination unit 321 searches for a system one level below the specified system until there are no more systems in the lower layer (s808: YES).

When the regional management / interregional coordination unit 321 reaches the lowest system (there may be more than one) (s808: NO), the power supply information of the power currently available to and from the target amount in each system. Calculate based on 315 (s809).

For example, the regional management / interregional coordination unit 321 calculates the power that can be transferred and received based on the current control state and maximum capacity of each facility 113.

The regional management / interregional coordination unit 321 selects one of the above systems, and whether or not the power that can be transferred and received in that system meets at least a part of the power (required power) that is currently insufficient for the target amount. Is determined (s810).

If the calculated power does not meet the required power at all (s810: NO), the regional management / interregional coordination unit 321 performs the process of s815 described later, and if the calculated power satisfies at least a part of the required power. (S810: YES), the regional management / interregional coordination unit 321 performs the following processing.

That is, the regional management / interregional coordination unit 321 specifies all the regions to which the grid selected in s808 distributes power (s811).

The regional management / inter-regional coordination unit 321 transmits the out-of-region request information 901 related to the required power to the regional power management device 101 related to each region specified in s811 (s812). Then, the regional management / interregional coordination unit 321 receives the out-of-region response information 902 from each regional power management device 101 (s812).
Here, in each regional power management device 101 that has transmitted the response information (extra-regional response information 902) corresponding to the extra-regional request information 901, the intra-regional management / inter-regional coordination unit 321 complies with the extra-regional request information 901. , Is a power control instruction command for the requested device in the area, and generates a command in which information on the amount of power that can be transferred and received by the area target equipment is set.

The regional management / interregional coordination unit 321 calculates the amount of power that each regional power management device 101 can actually transfer to the required power based on the out-of-region response information 902 received from each regional power management device 101. (S813). The regional power management device 101 stores the regional power management device 101 for which the implementation availability 942 of the out-of-region response information 902 is “possible” as a part of the requested device.

The regional management / interregional coordination unit 321 determines whether or not the total amount of electric power that can be exchanged and received from each requested device meets the target amount (s814).

If the total amount of power meets the target amount (s814: YES), the proxy request destination candidate calculation process s510 ends, and if the total amount of power does not meet the target amount (s814: NO), the area The internal management / inter-regional coordination unit 321 performs the following processing.

That is, the regional management / interregional coordination unit 321 determines whether or not there is a system that has not been selected in s810 (s815), and if there is a system that has not been selected (s815: NO). , One of them is selected, and the processing after s810 is repeated.

When all the systems of the same level are selected (s815: YES), the regional management / interregional coordination unit 321 performs the following processing.

That is, the regional management / interregional coordination unit 321 identifies the regional power management device 101 directly connected to the system of the currently selected layer, and supplies the specified regional power management device 101 with the power related to the required power. The out-of-region request information 901 for requesting the control of the power is transmitted, and the out-of-region response information 902 is received from each regional power management device 101 (s816).
Here, in each regional power management device 101 that has transmitted the response information (extra-regional response information 902) corresponding to the extra-regional request information 901, the intra-regional management / inter-regional coordination unit 321 complies with the extra-regional request information 901. , Is a power control instruction command for the requested device in the area, and generates a command in which information on the amount of power that can be transferred and received by the area target equipment is set.

The regional management / interregional coordination unit 321 calculates the power that each regional power management device 101 can actually transfer to the required power based on the out-of-region response information 902 received from each regional power management device 101 (. s817). The regional power management device 101 stores the regional power management device 101 for which the implementation availability 942 of the out-of-region response information 902 is “possible” as a part of the requested device.

The regional management / interregional coordination unit 321 determines whether or not the total amount of electric power that can be exchanged and received from each requested device meets the target amount (s818).

If the total amount of electric power meets the target amount (s818: YES), the proxy request destination candidate calculation process s501 ends, and if the total amount of electric power does not meet the target amount (s818: NO), the area The internal management / inter-regional coordination unit 321 repeats the processing after s806.

In addition, when a plurality of layers are lowered in s808, the regional management / interregional coordination unit 321 processes s809 to s818 for the system of each layer above the lowest layer.

As described above, the regional power management device 101 of the present embodiment serves as the other side equipment regarding the power transaction between the equipment 113 (application side equipment) managed by itself and the other equipment 113 (the other side equipment). If there is a load or generator managed by itself that can transfer and receive power related to power trading, the equipment 113 conducts power trading (that is, within the area), and on the other hand, it is managed by itself as the other party's equipment. If there is no load or generator, it is determined based on the information of the power system 108 whether or not there is another regional power management device 101 capable of exchanging and receiving power related to the power transaction, and such regional power management. If there is a device 101, power control is performed using the equipment 113 of the regional power management device 101 as the other equipment.

That is, the regional electric power management device 101 of the present embodiment conducts electric power trading with the equipment 113 which is an appropriate counterparty to the electric power transaction in the own region, and the appropriate equipment 113 in the own region. If there is no power system 108, power can be exchanged between the equipment 113 managed by the regional power management device 101 in another appropriate area and the power related to the power transaction based on the state of the power system 108. As a result, it is possible to reliably execute the power transfer related to the power transaction while minimizing the influence on the power system 108. For example, in an electric power service directed to renewable energy or a distributed power source, the service can be stably provided and the electric power system 108 can be stabilized.

As described above, according to the regional electric power management device 101 of the present embodiment, the electric power system can be operated stably.

The present invention is not limited to the above-described embodiment, and includes various modifications. The above-described embodiments have been described in detail for a better understanding of the present invention, and are not necessarily limited to those having all the configurations of the description.

For example, each function of the regional power management device 101 and the facility management device 111 may be provided in another device, or a part of each function of the regional power management device 101 and the facility management device 111 may be provided in the facility management device, respectively. It may be provided in 111 and the regional power management device 101. For example, in the present embodiment, the regional power management device 101 controls the power of the corresponding equipment 113, but the equipment management device 111 may control the power of the equipment 113. Further, in the present embodiment, the regional power management device 101 calculates the actual value or the predicted value for the equipment 113 in the own area, but the equipment management device 111 may calculate the actual value or the predicted value.

Further, in the present embodiment, it is assumed that the timing of adjusting the electric power in the own region or with other regions regarding the electric power transaction is the case where it is predicted that the target amount of electric power transaction cannot be executed at the time when the electric power exchange related to the electric power transaction is carried out. , Other timings may be used. For example, the adjustment timing may be shifted before or after the timing at which it is predicted that the transaction cannot be executed at the execution time, or it may be the timing at which it is predicted that the transaction with a power amount larger or smaller than the target amount cannot be executed.

Further, in the present embodiment, the search range is specified by the hierarchy, but it may be specified based on the transmission distance and other conditions.

Further, in the present embodiment, when the target value of the electric power transaction cannot be achieved by the equipment 113 in the own area, the configuration in which the target value of the electric power transaction is all achieved by the equipment 113 in the other area is described. The allocation of power transfer to the equipment 113 and the equipment 113 in other areas is not limited to such a configuration. For example, if the equipment 113 in the area can transfer and receive a part of the target amount of power, the power for that amount should be allocated to the equipment 113 in the area, and the remaining power should be allocated to the equipment 113 in the other area. You may do it.

Further, in the present embodiment, as a consideration factor of the condition affecting the electric power system 108 when specifying the equipment 113 to which the electric power is transferred, the equipment 113 is limited to the equipment 113 of the system within the predetermined search range, and more. The equipment 113 connected to the lower system (low voltage) is preferentially selected, but other conditions or attributes may be considered. For example, the regional power management device 101 may preferentially select a predetermined facility 113 or a region according to the current weather (for example, in the case of fine weather, the facility 113 such as a photovoltaic power generator or its own). Priority is given to the area where is located). Further, the regional power management device 101 may preferentially select a predetermined facility 113 or a region according to the power usage status of each facility 113 so far (for example, a predetermined capacity with respect to the maximum capacity). Priority is given to generators that generate more than a percentage of electricity or the areas in which they are located).

The above description of this specification clarifies at least the following. That is, in the present embodiment, the regional power management device 101 may preferentially search for the requested device corresponding to the load or the generator connected to the system having a lower voltage in the power system.

In this way, by preferentially selecting the requested device from the lower voltage system (lower layer system), the influence on the power system 108 due to the power transfer related to the power transaction can be suppressed to a smaller size. can.

Further, in the present embodiment, the regional power management device 101 searches for the requested device in the interregional power adjustment process based on the attributes of the load or the generator connected to the power system that transfers and receives the power. May be.

In this way, by determining the requested device based on the conditions related to the load that transfers power or the attributes of the generator, the influence of the load and the generator on the power system 108 is taken into consideration, and the power transfer related to the power transaction is performed. It is possible to suppress the influence on the power system 108 due to the above.

Further, in the present embodiment, the regional power management device 101 acquires information on the current control state of the application side facility and the partner side facility in the regional power adjustment process, and based on the acquired control state information. When it is determined whether or not the transfer of the predetermined power can be executed at the predetermined time and it is determined that the transfer of the predetermined power cannot be completed at the predetermined time, the portion that cannot be executed as the other party's equipment. When it is determined whether or not there is another load or generator managed by the power management device that can transfer at least a part of the power of the power management device, and there is another load or generator managed by the power management device. Controls the transfer of power between the application side equipment and the other load or generator, and the power management device manages the other side equipment in the interregional power adjustment process. If there is no other load or generator, the request target is a device other than the power management device that manages the load or generator that can transfer at least a part of the power that cannot be executed. The device is searched based on a predetermined condition regarding the power system, and if the request target device can be searched, the said is between the application side equipment and the load or generator managed by the request target device. Control for the transfer of power may be performed.

In this way, if it is determined that the power transaction cannot be completed at the implementation time based on the current control status of the application side equipment and the other side equipment, the power control within the own area or the power control within the own area regarding the transfer of the shortage of power By controlling power between regions, situations that were not expected at the time of the conclusion of the power trade (for example, unexpected changes in power generation or power consumption due to changes in the climate or environment, overload, voltage fluctuations, etc.) Even if the resulting abnormal occurrence of the electric power system 108) occurs after the establishment of the electric power transaction, the content of the electric power transaction can be achieved while suppressing the influence on the electric power system 108.

Further, in the present embodiment, the information processing apparatus including the processor and the memory and managing the electric power related to the load or the generator connected to the electric power system is the other equipment managed by the electric power management apparatus as the other side equipment. If there is no load or generator, the requested device, which is a device other than the power management device that manages the load or generator capable of giving and receiving at least a part of the predetermined power, is the power. If the request target device can be searched by searching based on predetermined conditions related to the system, the power is exchanged between the application side equipment and the load or generator managed by the request target device. It may be an interregional power adjustment process that controls the power, and a power management method that executes the power adjustment process.

Further, as a power management method in which the information processing device preferentially searches for the requested device corresponding to a load or a generator connected to a system having a lower voltage in the power system in the interregional power adjustment process. May be good.

Further, the information processing device may search for the requested device in the interregional power adjustment process based on the attribute of the load or the generator connected to the power system that transfers and receives the power.

Further, the information processing apparatus acquires information on the current control state of the application side equipment and the other side equipment in the regional power adjustment process, and based on the acquired control state information, the predetermined power When it is determined whether or not the transfer can be executed at a predetermined time and it is determined that the transfer of the predetermined power cannot be completed at the predetermined time, at least one of the powers that cannot be executed by the other party equipment. It is determined whether or not there is another load or generator managed by the power management device that can be exchanged, and if there is another load or generator managed by the power management device, the application is made. Control for the transfer of power between the side equipment and the other load or generator, and in the interregional power adjustment process, the other load managed by the power management device as the other side equipment. Or, if there is no generator, the requested device, which is a device other than the power management device that manages the load or the generator that can transfer at least a part of the power that cannot be executed, is the power. If the request target device can be searched by searching based on predetermined conditions related to the system, the power is exchanged between the application side facility and the load or generator managed by the request target device. May be controlled.

1 power management system, 101 regional power management device, 103 power transaction management server, 111 equipment management device, 113 equipment, 104 power system monitoring and control server

Claims (8)

1. A power management device that has a processor and memory and manages the power related to the load or generator connected to the power system.
   Based on the information on the transfer of predetermined power between the application side equipment that is a load or generator managed by itself and the other side equipment that is another load or generator, the other side equipment is the predetermined It is determined whether or not there is another load or generator managed by the power management device that can transfer at least a part of the power, and if there is another load or generator managed by the power management device. Is a regional power adjustment process that controls the transfer of power between the application side facility and the other load or generator.
   When there is no other load or generator managed by the power management device as the other party equipment, the power management device manages a load or generator capable of transmitting and receiving at least a part of the predetermined power. The request target device, which is another device other than the above, is searched based on the predetermined conditions related to the power system, and if the request target device can be searched, the application side equipment and the request target device manage the above. Interregional power adjustment processing that controls the transfer of power to and from the load or generator, and
   A power management device that runs.
2. In the interregional power adjustment process, the requested device corresponding to the load or generator connected to the lower voltage system in the power system is preferentially searched.
   The power management device according to claim 1.
3. In the interregional power adjustment process, the requested device is searched for based on the attributes of the load or generator connected to the power system that transfers and receives the power.
   The power management device according to claim 1.
4. In the regional power adjustment process, information on the current control state of the application side equipment and the other side equipment can be acquired, and the transfer of the predetermined power can be executed at a predetermined time based on the acquired control state information. When it is determined whether or not the execution of the predetermined power cannot be completed at the predetermined time, the other party's equipment can transfer at least a part of the power that cannot be executed. It is determined whether or not there is another load or generator managed by the power management device, and if there is another load or generator managed by the power management device, the application side equipment and the other load. Alternatively, control for the transfer of electric power to and from the generator is performed.
   In the interregional power adjustment process, if there is no other load or generator managed by the power management device as the other side equipment, a load that can transfer at least a part of the unexecutable power or A request target device, which is a device other than the power management device that manages the generator, is searched based on predetermined conditions related to the power system, and if the request target device can be searched, the application side equipment. And control for the transfer of electric power between the load or the generator managed by the requested device.
   The power management device according to claim 1.
5. An information processing device that has a processor and memory and manages the power related to the load or generator connected to the power system.
   Based on the information on the transfer of predetermined power between the application side equipment that is a load or generator managed by itself and the other side equipment that is another load or generator, the other side equipment is the predetermined It is determined whether or not there is another load or generator managed by the power management device that can transfer at least a part of the power, and if there is another load or generator managed by the power management device. Is a regional power adjustment process that controls the transfer of power between the application side facility and the other load or generator.
   When there is no other load or generator managed by the power management device as the other party equipment, the power management device manages a load or generator capable of transmitting and receiving at least a part of the predetermined power. The request target device, which is another device other than the above, is searched based on the predetermined conditions related to the power system, and if the request target device can be searched, the application side equipment and the request target device manage the above. Interregional power adjustment processing that controls the transfer of power to and from the load or generator, and
   How to manage power.
6. The information processing device
   In the interregional power adjustment process, the requested device corresponding to the load or generator connected to the lower voltage system in the power system is preferentially searched.
   The power management method according to claim 5.
7. The information processing device
   In the interregional power adjustment process, the requested device is searched for based on the attributes of the load or generator connected to the power system that transfers and receives the power.
   The power management method according to claim 5.
8. The information processing device
   In the regional power adjustment process, information on the current control state of the application side equipment and the other side equipment can be acquired, and the transfer of the predetermined power can be executed at a predetermined time based on the acquired control state information. When it is determined whether or not the execution of the predetermined power cannot be completed at the predetermined time, the other party's equipment can transfer at least a part of the power that cannot be executed. It is determined whether or not there is another load or generator managed by the power management device, and if there is another load or generator managed by the power management device, the application side equipment and the other load. Alternatively, control for the transfer of electric power to and from the generator is performed.
   In the interregional power adjustment process, if there is no other load or generator managed by the power management device as the other side equipment, a load that can transfer at least a part of the unexecutable power or A request target device, which is a device other than the power management device that manages the generator, is searched based on predetermined conditions related to the power system, and if the request target device can be searched, the application side equipment. And control for the transfer of electric power between the load or the generator managed by the requested device.
   The power management method according to claim 5.

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