Electric power managing device, electric power managing method and electric power managing program

Abstract

To further stabilize a balance between power supply and demand.SOLUTION: An electric power managing device includes: a management information obtaining unit that obtains management information representing an adjusting amount for an adjustment of electric power in an electric power system including multiple sites where the electric power is to be adjusted; a selecting unit that selects, based on the management information obtained by the management information obtaining unit, a request site that is the site where the adjustment is requested among the multiple sites; a deciding unit that decides a distribution amount for distributing the adjusting amount represented by the management information to the selected request site; and an actual achievement information obtaining unit that obtains, within a time period subjected to the adjustment, first actual achievement information representing the actual achievement value of the adjustment in a stage in which the adjustment is being carried out at the request site. The selecting unit executes a re-selecting process of selecting, based on the distribution amount decided by the deciding unit and the first actual achievement information obtained by the actual achievement information obtaining unit, the new request site that is the other site than the selected request site.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] The present disclosure relates to a power management device, a power management method, and a power management program. [Background technology]

[0002] Conventionally, techniques related to the adjustment of power consumption or the adjustment of power supply to a power grid have been developed. For example, Patent Document 1 (JP Patent Publication 2012-205358 A) discloses the following power consumption management system. That is, the power consumption management system includes a storage unit that stores a participant list related to a community including a plurality of participants registered in advance, a determination unit that determines whether or not power reduction control needs to be executed, a selection unit that selects one or more target persons to be subject to power reduction control from among the plurality of participants included in the participant list when the determination unit determines that power reduction control needs to be executed, a control unit that executes power reduction control for the target persons selected by the selection unit, and an assignment unit that assigns a privilege based on reduced power to the target persons for whom power reduction control has been executed. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2012-205358 A [Patent Document 2] JP 2015-116039 A [Patent Document 3] JP 2020-184881 A Summary of the Invention [Problem to be solved by the invention]

[0004] In power demand facilities that adjust power, a discrepancy may occur between the amount of adjustment planned in advance and the actual amount of adjustment. In this case, the balance of power supply and demand in the entire power system is disrupted.

[0005] The present disclosure has been made to solve the above-mentioned problems, and its purpose is to provide a power management device, a power management method, and a power management program that can more stabilize the balance between power supply and demand. [Means for solving the problem]

[0006] The power management device disclosed herein includes a management information acquisition unit that acquires management information indicating an adjustment amount for power adjustment in a power system that includes a plurality of bases that adjust power; a selection unit that performs a base selection process that selects a request base that is the base that requests the adjustment from among the plurality of bases based on the management information acquired by the management information acquisition unit; a determination unit that determines an allocation amount to be allocated to the request base selected by the selection unit from the adjustment amount indicated by the management information acquisition unit to the request base selected by the selection unit; and an performance information acquisition unit that acquires first performance information indicating an actual value of the adjustment at the stage at which the request base is performing the adjustment during the target period of the adjustment, and the selection unit performs a re-selection process that selects another base other than the request base selected in the base selection process as the new request base based on the allocation amount determined by the determination unit and the first performance information acquired by the performance information acquisition unit.

[0007] One aspect of the present disclosure can be realized not only as a power management device having such a characteristic processing unit, but also as a semiconductor integrated circuit that realizes part or all of the power management device, or as a system that includes the power management device. Effect of the Invention

[0008] According to the present disclosure, the balance between power supply and demand can be made more stable. [Brief description of the drawings]

[0009] [Figure 1] FIG. 1 is a diagram illustrating a configuration of a power management system according to an embodiment of the present disclosure. [Diagram 2]FIG. 2 is a diagram illustrating a configuration of a power management device according to an embodiment of the present disclosure. [Diagram 3] FIG. 3 is a diagram illustrating an example of an event management table stored by the power management apparatus according to the embodiment of the present disclosure. [Figure 4] FIG. 4 is a diagram illustrating an example of the event management table after being updated by the power management apparatus according to the embodiment of the present disclosure. [Diagram 5] FIG. 5 is a diagram illustrating an example of a base management table stored in the power management apparatus according to the embodiment of the present disclosure. [Figure 6] FIG. 6 is a diagram illustrating an example of an adjustable amount table created by the power management apparatus according to the embodiment of the present disclosure. [Figure 7] FIG. 7 is a diagram illustrating an example of an achievement rate table stored by the power management apparatus according to the embodiment of the present disclosure. [Figure 8] FIG. 8 is a diagram illustrating an example of the instruction management table after being updated by the power management apparatus according to the embodiment of the present disclosure. [Figure 9] FIG. 9 is a diagram illustrating another example of the instruction management table after updating by the power management apparatus according to the embodiment of the present disclosure. [Figure 10] FIG. 10 is a flowchart that defines an operation procedure when the power management device according to the embodiment of the present disclosure performs the reselection process and the release process. [Figure 11] FIG. 11 is a flowchart that defines an operation procedure when the power management device according to the embodiment of the present disclosure performs the reselection process and the release process. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0010] First, the contents of the embodiments of the present disclosure will be listed and described. (1) A power management device according to an embodiment of the present disclosure includes a management information acquisition unit that acquires management information indicating an adjustment amount for power adjustment in a power system including a plurality of bases that adjust power; a selection unit that performs a base selection process that selects a request base that is a base that requests the adjustment from among the plurality of bases based on the management information acquired by the management information acquisition unit; a determination unit that determines an allocation amount to be allocated to the request base selected by the selection unit from the adjustment amount indicated by the management information acquisition unit, and an achievement information acquisition unit that acquires first achievement information indicating an achievement value of the adjustment at a stage at which the request base is performing the adjustment during a target period of the adjustment, and the selection unit performs a reselection process that selects another base different from the request base selected in the base selection process as a new request base based on the allocation amount determined by the determination unit and the first achievement information acquired by the achievement information acquisition unit.

[0011] In this way, by selecting a new requesting base based on the allocation amount allocated to the requesting base and the actual value of the adjustment amount during the period when the power is adjusted at the requesting base, for example, if there is a large discrepancy between the allocation amount and the actual value of the adjustment amount, it is possible to request the new requesting base to adjust the power to compensate for the discrepancy, thereby making it possible to further stabilize the power supply and demand balance.

[0012] (2) In the above (1), the management information may further indicate the target period, and the performance information acquisition unit may acquire the first performance information indicating the performance value for the target period indicated by the management information acquired by the management information acquisition unit.

[0013] With this configuration, it is possible to easily grasp the period during which power adjustment is performed at the requesting base and obtain the performance value.

[0014] (3) In the above (1) or (2), the power management device may further include a calculation unit that calculates a first achievement degree, which is a degree of achievement for the allocation amount, based on the allocation amount determined by the determination unit and the first performance information acquired by the performance information acquisition unit, and the selection unit may perform the re-selection process when the first achievement degree calculated by the calculation unit satisfies a predetermined condition.

[0015] With this configuration, it is possible to recognize the magnitude of the discrepancy between the allocation amount and the actual adjustment amount at the requested base station depending on the degree of achievement of the allocation amount during the period when power adjustment is being performed at the requested base station.Therefore, for example, if the degree of achievement is low, a re-selection process can be performed to more reliably achieve a stable power supply and demand balance.

[0016] (4) In (3) above, when the first degree of achievement calculated by the calculation unit satisfies the specified condition, the selection unit may perform the re-selection process and also perform a cancellation process to cancel the selection of the requested base in the base selection process.

[0017] With this configuration, for example, it is possible to determine whether or not to perform reselection and cancellation processing depending on the degree to which the allocation amount has been achieved during the period in which power adjustment is being carried out, thereby more reliably achieving a stable balance between power supply and demand.

[0018] (5) In (3) or (4) above, the selection unit may further perform an acquisition process to acquire correspondence information indicating a correspondence relationship between the base and a second achievement degree, which is the achievement degree for the allocation amount in a past period that is a period prior to the target period, and the selection unit may acquire the second achievement degree corresponding to the base that is a candidate for the new request base in the re-selection process based on the acquired correspondence information, and the selection unit may perform the re-selection process based on the first achievement degree calculated by the calculation unit and the acquired second achievement degree, and may also perform a deselection process to deselect the request base in the base selection process.

[0019] With this configuration, for example, a base station that has a low degree of achievement of the allocation amount during the period when power adjustment is being carried out can be excluded from the requested base stations, and a base station that has a high degree of achievement during the past target period can be selected as a new requested base station, thereby more reliably achieving a stable balance between supply and demand of power.

[0020] (6) In the above (5), the performance information acquisition unit may further acquire second performance information indicating an actual value of the adjustment in the past period by the candidate base, and the selection unit may create the correspondence information based on the second performance information acquired by the performance information acquisition unit in the acquisition process.

[0021] With this configuration, it is possible to store the correspondence between candidates for new requested base locations and the degree of achievement in the past target period, so that a new requested base location can be easily selected in the reselection process.

[0022] (7) A power management method according to an embodiment of the present disclosure is a power management method in a power management device, comprising the steps of: acquiring management information indicating an adjustment amount for power adjustment in a power system including a plurality of bases that adjust power; performing a base selection process for selecting a request base that is the base that requests the adjustment from among the plurality of bases based on the acquired management information; determining an allocation amount to be allocated to the selected request base from the adjustment amount indicated by the acquired management information; acquiring first performance information indicating an actual value of the adjustment at a stage when the requested base is performing the adjustment during a target period of the adjustment; and performing a reselection process for selecting another base other than the request base selected in the base selection process as the new request base based on the determined allocation amount and the acquired first performance information.

[0023] In this way, by selecting a new requesting base based on the allocation amount allocated to the requesting base and the actual value of the adjustment amount during the period when the power is adjusted at the requesting base, for example, if there is a large discrepancy between the allocation amount and the actual value of the adjustment amount, it is possible to request the new requesting base to adjust the power to compensate for the discrepancy, thereby making it possible to further stabilize the power supply and demand balance.

[0024] (8) A power management program according to an embodiment of the present disclosure is a power management program used in a power management device, and causes a computer to function as: a management information acquisition unit that acquires management information indicating an adjustment amount for power adjustment in a power system including a plurality of bases that adjust power; a selection unit that performs a base selection process that selects a request base that is the base that requests the adjustment from among the plurality of bases based on the management information acquired by the management information acquisition unit; a determination unit that determines an allocation amount to be allocated to the request base selected by the selection unit, from the adjustment amount indicated by the management information acquired by the management information acquisition unit; and an achievement information acquisition unit that acquires first achievement information indicating an achievement value of the adjustment at a stage at which the request base is performing the adjustment during a target period of the adjustment, and the selection unit performs a reselection process that selects another base other than the request base selected in the base selection process as the new request base based on the allocation amount determined by the determination unit and the first achievement information acquired by the achievement information acquisition unit.

[0025] In this way, by selecting a new requesting base based on the allocation amount allocated to the requesting base and the actual value of the adjustment amount during the period when the power is adjusted at the requesting base, for example, if there is a large discrepancy between the allocation amount and the actual value of the adjustment amount, it is possible to request the new requesting base to adjust the power to compensate for the discrepancy, thereby making it possible to further stabilize the power supply and demand balance.

[0026] Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. In the drawings, the same or corresponding parts are denoted by the same reference numerals, and the description thereof will not be repeated. In addition, at least some of the embodiments described below may be arbitrarily combined.

[0027] [Power Management System] Fig. 1 is a diagram showing a configuration of a power management system according to an embodiment of the present disclosure. Referring to Fig. 1, a power management system 201 includes a plurality of power company servers 101, a power management apparatus 102, and a plurality of customer devices 151. Each of the power company servers 101 and the power management apparatus 102 transmits and receives information via a network such as the Internet, for example. The power management apparatus 102 and each of the customer devices 151 transmit and receive information via the network, for example.

[0028] In the example shown in FIG. 1, a power management system 201 includes power company servers 101A and 101B which are the power company server 101, and customer device 151 which is customer device 151A to 151F.

[0029] The power management system 201 is not limited to a configuration including two power company servers 101, but may be a configuration including one or three or more power company servers 101. The power management system 201 is also not limited to a configuration including six customer devices 151, but may be a configuration including two or more, five or less, or seven or more customer devices 151.

[0030] The power management system 201 manages at least one of power consumption in the power system and power supply to the power system.

[0031] More specifically, for example, in the power management system 201, when the supply and demand of power is tight or when there is a risk of the supply and demand of power being tight, a demand response (DR) for each consumer to adjust their power consumption, i.e., a DR for each consumer to reduce their power consumption, is issued by a power company or the like.

[0032] Alternatively, for example, in the power management system 201, when there is an excessive supply of electricity generated by a solar power generation device to the power grid, or when there is a risk of an excessive supply of the electricity to the grid, a PV output adjustment request is issued by the power company or the like to the manager of the solar power generation device, specifically, each consumer and renewable energy business operator, to adjust the power supply to the grid, i.e., a PV output adjustment request to suppress the power supply to the grid.

[0033] Each electric power company server 101 is operated by an electric power company that supplies electric power. In the example shown in Fig. 1, the electric power company server 101A is operated by an electric power company A, and the electric power company server 101B is operated by an electric power company B. The electric power company is, for example, a power generation company or an electric power retailer.

[0034] Each power company server 101 transmits to the power management apparatus 102 management information indicating the content of an event related to the adjustment of power in a power system including a plurality of customer devices 151 .

[0035] More specifically, for example, each power company server 101 transmits management information indicating the content of an event related to the adjustment of power consumption or the adjustment of power supply to the power system to the power management device 102 according to the power supply and demand situation in the power system. Note that the adjustment of power consumption means reducing or increasing the amount of power consumption. Also, the adjustment of power supply to the power system means reducing or increasing the amount of power supply to the power system.

[0036] Specifically, for example, the management information indicates identification information for identifying the event (hereinafter also referred to as "event ID (Identifier)"), the start date and time of the period during which the event takes place (hereinafter also referred to as "event period"), the length F of the event period, a command value for the adjustment amount for power adjustment during the event period, and the power company that transmitted the management information. The event ID is an ID unique to each event. The event period is an example of a period subject to power adjustment.

[0037] The customer device 151 is provided in an electric power demand facility such as a building, a factory, or a general home that receives electric power from a power company. One customer device 151 may be provided for each electric power demand facility, or multiple customer devices 151 may be provided for each electric power demand facility. The customer device 151 is an example of a base for adjusting electric power.

[0038] Customer device 151 can control one or more loads in an electric power demanding facility. The loads are electric vehicles and plug-in hybrid cars that use secondary batteries as their energy source, as well as electric appliances such as lighting, televisions, and air conditioners.

[0039] The consumer device 151 is a device used in a system such as a Building Energy Management System (BEMS) or a Home Energy Management System (HEMS) for reducing power consumption by controlling the operation of electrical appliances, and is introduced by, for example, an aggregator.

[0040] Alternatively, the customer device 151 can control a small- to medium-sized power generation device in an electric power demanding facility. The small- to medium-sized power generation device is, for example, a small- or medium-sized solar power generation device, and includes a power conversion device such as a PCS (Power Conditioning System) that operates according to the control of the customer device 151. Note that the small- to medium-sized power generation device is not limited to a solar power generation device, and may be a wind power generation device or the like.

[0041] The power management device 102 is operated by, for example, an aggregator, and controls power consumption at power demanding facilities or power supply to a power grid of power generated by small- to medium-scale power generation devices by communicating with customer devices 151. The power management device 102 is, for example, a server.

[0042] [Power management device] Fig. 2 is a diagram showing a configuration of a power management device according to an embodiment of the present disclosure. With reference to Fig. 2, the power management device 102 includes a management information acquisition unit 11, a performance information acquisition unit 12, a processing unit 13, and a storage unit 14. The processing unit 13 includes a selection unit 21, a decision unit 22, an instruction unit 23, and a calculation unit 24. A part or all of the management information acquisition unit 11, the performance information acquisition unit 12, and the processing unit 13 are realized, for example, by a processing circuit including one or more processors. The storage unit 14 is, for example, a non-volatile memory included in the processing circuit.

[0043] (Management Information Acquisition Department) The management information acquiring unit 11 acquires management information from the power supply side. In more detail, for example, when the management information acquiring unit 11 receives management information from the power company server 101, the management information acquiring unit 11 stores the management information in the storage unit 14 and outputs the management information to the selection unit 21 and the determination unit 22.

[0044] Furthermore, for example, the management information acquisition unit 11 performs an update process R1 to update the event management table Tb1. The event management table Tb1 indicates an event ID, a start date and time of the event period, a length F of the event period, a command value, and a correspondence relationship E1 with the power company.

[0045] FIG. 3 is a diagram illustrating an example of an event management table stored by the power management apparatus according to the embodiment of the present disclosure.

[0046] 2 and 3, in more detail, for example, storage unit 14 stores event management table Tb1. Fig. 3 shows event management table Tb1 at a stage when power management apparatus 102 has not yet received management information from power company server 101. Therefore, correspondence relationship E1 is not registered in event management table Tb1 shown in Fig. 3.

[0047] For example, the management information acquisition unit 11 performs an update process R1 every time management information is received from the power company server 101.

[0048] Specifically, for example, when the management information acquiring unit 11 receives management information from the electric power company server 101, it reads out an event management table Tb1 in the storage unit 14. Then, the management information acquiring unit 11 registers, in the event management table Tb1, the event ID, the event type, the start date and time of the event period, the length F of the event period, the command value, and the electric power company indicated by the management information.

[0049] FIG. 4 is a diagram illustrating an example of the event management table after being updated by the power management apparatus according to the embodiment of the present disclosure.

[0050] Referring to FIG. 4, in the updated event management table Tb1, the event type, the start date and time of the event period, the length F of the event period, the command value, and the power company corresponding to the event ID "1001" are "capacity market", "2022-10-09 12:00", "3h", "2000" kWh, and "power company B". The event type, the start date and time of the event period, the length F of the event period, the command value, and the power company of the transmission source corresponding to the event ID "1002" are "tertiary adjustment capacity 2", "2022-10-09 11:00", "3h", "1000" kWh, and "power company A". The event type, the start date and time of the event period, the length F of the event period, the command value, and the power company of the transmission source corresponding to the event ID "1003" are "tertiary adjustment capacity 1", "2022-10-10 10:00", "3h", "1000" kWh, and "power company A".

[0051] The event management table Tb1 includes, in addition to the correspondence relationship E1, a discrimination flag indicating whether or not an event has occurred for which instruction information has been transmitted by the instruction unit 23 (to be described later).

[0052] In the event management table Tb1, the discrimination flag "True" indicates that the instruction information has been transmitted. The discrimination flag "False" indicates that the instruction information has not been transmitted. In the above-mentioned update process R1, the management information acquisition unit 11 registers "False" as the discrimination flag corresponding to the event ID indicated by the management information from the electric power company server 101.

[0053] (Base selection process) Referring again to Figure 2, the selection unit 21 performs a base selection process to select a customer device 151 (hereinafter also referred to as a "request base") to request power adjustment from among multiple customer devices 151, based on the management information acquired by the management information acquisition unit 11.

[0054] More specifically, for example, the storage unit 14 stores a base management table Tb2 indicating the correspondence between the request base candidates, the electric power companies, and the event types. The base management table Tb2 is registered in the storage unit 14 in advance by, for example, the aggregator.

[0055] FIG. 5 is a diagram illustrating an example of a base management table stored in the power management apparatus according to the embodiment of the present disclosure.

[0056] 2 and 5, when the event type indicated by management information from power company server 101A managed by power company A is "tertiary control capacity 1," the candidate request bases are consumer devices 151A, 151C, 151E, and 151F. When the event type indicated by the management information is "tertiary control capacity 2," the candidate request bases are consumer devices 151B and 151D. When the event type indicated by the management information is "capacity market," the candidate request bases are consumer devices 151C and 151F.

[0057] When the event type indicated by the management information from the electric power company server 101B managed by the electric power company B is "tertiary control capacity 1", the candidate request base is "not applicable". When the event type indicated by the management information is "tertiary control capacity 2", the candidate request base is the consumer devices 151A, 151B, and 151D. When the event type indicated by the management information is "capacity market", the candidate request base is the consumer devices 151C and 151F.

[0058] When the selection unit 21 receives management information from the management information acquisition unit 11, it checks whether management information indicating the same event type as the event type indicated by the management information (hereinafter also referred to as ``past management information'') is stored in the memory unit 14.

[0059] <Example 1> For example, when past management information is not stored in the storage unit 14, the selection unit 21 performs the base selection process using the base management table Tb2 and the adjustable amount table Tb3 in the storage unit 14.

[0060] More specifically, for example, when the past management information is not stored in the storage unit 14, the selection unit 21 reads out the base management table Tb2 in the storage unit 14. Then, by referring to the base management table Tb2, the selection unit 21 identifies the consumer device 151 corresponding to the event type indicated by the management information from the management information acquisition unit 11 as a candidate for the request base.

[0061] When the selection unit 21 identifies a candidate request base, it transmits request information to the candidate consumer device 151 indicating the electric power company indicated in the management information and a request for transmission of the adjustable amount of electric power (hereinafter also referred to as the "adjustable amount").

[0062] The storage unit in each customer device 151 stores the adjustable amount for each electric power company with which the electric power demanding facility in which the customer device 151 is installed has a contract. The adjustable amount is registered or updated in the customer device 151 by the customer, for example.

[0063] When the consumer device 151 receives request information from the power management apparatus 102, the consumer device 151 acquires from its own memory an adjustable amount corresponding to the same power company as the power company indicated in the request information, among multiple adjustable amounts stored in its own memory. Then, each consumer device 151 transmits adjustment amount information indicating the acquired adjustable amount and identification information of the consumer device 151 (hereinafter also referred to as "consumer ID") to the power management apparatus 102.

[0064] FIG. 6 is a diagram illustrating an example of an adjustable amount table created by the power management apparatus according to the embodiment of the present disclosure.

[0065] 2 and 6, when the selection unit 21 in the power management device 102 receives adjustment amount information from the customer device 151, it creates an adjustment amount table Tb3 indicating the adjustment amount of each customer device 151 based on the received adjustment amount information.

[0066] The adjustable amount table Tb3 indicates a correspondence relationship between a consumer ID and an adjustable amount corresponding to a power company. In the example shown in Fig. 6, the adjustable amount table Tb3 indicates a correspondence relationship between a consumer ID, an adjustable amount Sa corresponding to a power company A, and an adjustable amount Sb corresponding to a power company B.

[0067] In the adjustable amount table Tb3, the adjustable amount Sa and the adjustable amount Sb corresponding to the consumer device 151A with the consumer ID "ID-A" are "1000" kWh and "500" kWh, respectively. The adjustable amount Sa and the adjustable amount Sb corresponding to the consumer device 151B with the consumer ID "ID-B" are "1000" kWh and "500" kWh, respectively. The adjustable amount Sa and the adjustable amount Sb corresponding to the consumer device 151C with the consumer ID "ID-C" are "500" kWh and "100" kWh, respectively. The adjustable amount Sa and the adjustable amount Sb corresponding to the consumer device 151D with the consumer ID "ID-D" are "500" kWh and "200" kWh, respectively. The adjustable amount Sa and the adjustable amount Sb corresponding to the customer device 151E with the customer ID “ID-E” are “5000” kWh and “not applicable,” respectively. The adjustable amount Sa and the adjustable amount Sb corresponding to the customer device 151F with the customer ID “ID-F” are “500” kWh and “500” kWh, respectively.

[0068] After creating the adjustable amount table Tb3, the selection unit 21 stores the created adjustable amount table Tb3 in the storage unit 14.

[0069] Then, by referring to the base management table Tb2 and the adjustable amount table Tb3 in the storage unit 14, the selection unit 21 provisionally selects customer devices 151 in accordance with a predetermined selection order C until the total value of the adjustable amounts reaches the command value indicated by the management information from the management information acquisition unit 11. When the total value of the adjustable amounts of the provisionally selected one or more customer devices 151 reaches the command value, the selection unit 21 selects the one or more customer devices 151 as a requested base.

[0070] Specifically, for example, when the event type and the electric power company indicated by the management information from the management information acquisition unit 11 are tertiary control capacity 1 and electric power company A, respectively, the selection order C is the selection of consumer device 151A, the selection of consumer device 151C, the selection of consumer device 151D, the selection of consumer device 151E, and the selection of consumer device 151F. When the command value indicated by the management information is 2000 kWh, the selection unit 21 provisionally selects consumer device 151A, consumer device 151C, and consumer device 151D in this order. Since the total value of the adjustable amount at this stage is 2000 kWh and has reached the command value, the selection unit 21 ends the base selection process. That is, the selection unit 21 selects consumer device 151A, consumer device 151C, and consumer device 151D as requested bases.

[0071] <Example 2> For example, when past management information is stored in the storage unit 14, the selection unit 21 performs the base selection process using the base management table Tb2, the adjustable amount table Tb3, and the achievement rate table Tb4 in the storage unit 14.

[0072] More specifically, for example, when past management information is stored in the memory unit 14, the selection unit 21 refers to the base management table Tb2 in the memory unit 14 to identify a consumer device 151 corresponding to the event type and power company indicated by the past management information as a candidate for the request base.

[0073] For example, the memory unit 14 further stores an achievement rate table Tb4 indicating the correspondence between the consumer ID and the achievement degree for the adjustable amount during the event period indicated by the past management information (hereinafter also referred to as the "past achievement rate P"). Here, the achievement rate table Tb4 is created by the power management apparatus 102. A specific example of the process for creating the achievement rate table Tb4 will be described later. The achievement rate table Tb4 is an example of correspondence information. The past achievement rate P is an example of a second achievement degree.

[0074] FIG. 7 is a diagram illustrating an example of an achievement rate table stored by the power management apparatus according to the embodiment of the present disclosure.

[0075] 7, in the achievement rate table Tb4, the past achievement rate P corresponding to the consumer device 151A with the consumer ID "ID-A" is "100%". The past achievement rate P corresponding to the consumer device 151B with the consumer ID "ID-B" is "90%". The past achievement rate P corresponding to the consumer device 151C with the consumer ID "ID-C" is "80%". The past achievement rate P corresponding to the consumer device 151D with the consumer ID "ID-D" is "85%". The past achievement rate P corresponding to the consumer device 151E with the consumer ID "ID-E" is "95%". The past achievement rate P corresponding to the consumer device 151F with the consumer ID "ID-F" is "80%".

[0076] 2 again, when the selection unit 21 provisionally selects multiple customer devices 151 that are candidates for the request base, the selection unit 21 reads out an adjustable amount table Tb3 in the storage unit 14. Then, the selection unit 21 compares the total value of the adjustable amounts of the multiple customer devices 151 provisionally selected with a command value indicated by the management information from the management information acquisition unit 11.

[0077] On the other hand, when the total value of the adjustable amount is equal to or less than the command value, the selector 21 selects the provisionally selected multiple customer devices 151 as requested bases.

[0078] On the other hand, when the total value of the adjustable amount is greater than the command value, the selection unit 21 reads out the achievement rate table Tb4 in the storage unit 14. Then, the selection unit 21 checks the corresponding past achievement rate P for each provisionally selected customer device 151 by referring to the achievement rate table Tb4.

[0079] When the selection unit 21 checks the past achievement rate P of each customer device 151, it selects the customer device 151 as the requested base in order of the past achievement rate P until the total value of the adjustable amount becomes greater than the command value indicated by the management information from the management information acquisition unit 11.

[0080] Specifically, for example, when the event type and the electric power company indicated by the management information from the management information acquisition unit 11 are the tertiary control capacity 1 and the electric power company A, respectively, the candidates for the requested base are the consumer devices 151A, 151C, 151D, 151E, and 151F. In this case, the past achievement rates P are larger in the order of the consumer device 151A, the consumer device 151E, the consumer device 151D, the consumer device 151C, and the consumer device 151F. When the command value indicated by the management information is 2000 kWh, the selection unit 21 selects the consumer device 151A, the consumer device 151E, and the consumer device 151D in this order. The selection unit 21 ends the base selection process because the total value of the adjustable amount at this stage is 2000 kWh and has reached the command value. That is, the selection unit 21 selects the consumer device 151A, the consumer device 151E, and the consumer device 151D as the requested base.

[0081] When the selection unit 21 completes the base selection process, the selection unit 21 outputs selection completion information S1 including the management information from the management information acquisition unit 11 and the consumer IDs of one or more consumer devices 151 selected in the base selection process to the determination unit 22 and the instruction unit 23. Below, an example will be described in which the selection unit 21 outputs selection completion information S1 including the consumer IDs of each of the consumer devices 151A, 151C, and 151D selected in the base selection process to the determination unit 22 and the instruction unit 23.

[0082] (Decision Section) The determining unit 22 determines an allocation amount L for allocating the command value indicated by the management information acquired by the management information acquiring unit 11 to the requested base selected by the selecting unit 21 .

[0083] More specifically, for example, when the determination unit 22 receives the selection completion information S1 from the selection unit 21, the determination unit 22 reads out the adjustable amount table Tb3 in the storage unit 14. Then, by referring to the adjustable amount table Tb3, for each consumer ID included in the selection completion information S1, the determination unit 22 identifies the adjustable amount Sa corresponding to the electric power company A indicated by the management information included in the selection completion information S1, from the adjustable amount Sa and the adjustable amount Sb corresponding to the consumer ID.

[0084] Then, the determination unit 22 compares the total value U1 of the identified adjustable amount Sa, i.e., the total value U1 of the adjustable amount Sa corresponding to customer ID "ID-A", the adjustable amount Sa corresponding to customer ID "ID-C", and the adjustable amount Sa corresponding to customer ID "ID-D", with the command value indicated by the management information included in the selection completion information S1.

[0085] For example, when the total value U1 is smaller than the command value, or when the total value U1 is equal to the command value, the determination unit 22 determines the identified adjustable amount Sa as the allocation amount L for each customer device 151.

[0086] Also, for example, when the total value U1 is greater than the command value, the determination unit 22 calculates a difference amount V1 by subtracting the command value from the total value U1. Then, the determination unit 22 determines a value obtained by subtracting the difference amount V1 from the adjustable amount Sa corresponding to the consumer ID "ID-D" of the consumer device 151D, which is the consumer device 151 that is last in the selection order C, as the allocation amount L to be allocated to the consumer device 151D. Furthermore, the determination unit 22 determines the adjustable amount Sa corresponding to the consumer ID "ID-A" and the adjustable amount Sa corresponding to the consumer ID "ID-C" as the allocation amount L to be allocated to the consumer device 151A and the allocation amount L to be allocated to the consumer device 151C, respectively.

[0087] When the total value U1 is greater than the command value, the decision unit 22 may decide the allocation amount L to be allocated to each customer device 151 in accordance with the ratio of the adjustable amount Sa in each of the customer devices 151A, 151C, and 151D.

[0088] When the determination unit 22 determines the allocation amount L for each customer device 151 included in the selection completion information S1 from the selection unit 21, it outputs the allocation amount L and allocation amount information H1 indicating the corresponding customer ID to the instruction unit 23 and the calculation unit 24.

[0089] (instruction section) <Send instruction information> The instruction unit 23 transmits instruction information related to power consumption or power supply to the power grid to the request base selected by the selection unit 21. Here, it is assumed that the instruction unit 23 transmits instruction information related to power consumption to the request base selected by the selection unit 21.

[0090] When the instruction unit 23 receives the selection completion information S1 from the selection unit 21 and the allocation amount information H1 from the determination unit 22, it transmits instruction information for each consumer ID included in the selection completion information S1, i.e., instruction information for each consumer device 151 that is the request base. For example, the instruction information includes an event ID indicated by management information included in the selection completion information S1, a start date / time and a length F of the event period, and an allocation amount L corresponding to the consumer device 151 to which the instruction information is to be transmitted, among multiple allocation amounts L indicated by the allocation amount information H1.

[0091] When each consumer device 151 receives instruction information from power management apparatus 102, it controls the operation of an electrical device in the power demanding facility in which it is located in accordance with the instruction information. Specifically, for example, consumer device 151 controls the operation of an electrical device during an event period indicated by the instruction information from power management apparatus 102 so that power consumption is reduced by an allocation amount L indicated by the instruction information.

[0092] The power management system 201 may further include a device that manages power consumption in one or more power demanding facilities by communicating with a consumer device group including one or more consumer devices 151. In this case, the instruction unit 23 in the power management device 102 transmits instruction information to the device.

[0093] <Updating the instruction management table> For example, the storage unit 14 further stores an instruction management table Tb5. For example, the instruction management table Tb5 indicates a correspondence relationship E2 between identification information for identifying instruction information (hereinafter also referred to as an "instruction ID"), a consumer ID, an event ID, a start date and time of the event period, a length F of the event period, and an allocation amount L.

[0094] The instruction unit 23 performs an update process R2 for updating the instruction management table Tb5 every time instruction information is transmitted to the request base.

[0095] More specifically, for example, when the instruction unit 23 transmits instruction information to the request base, the instruction unit 23 sets an instruction ID to the instruction information and reads out the instruction management table Tb5 in the storage unit 14. Then, the instruction unit 23 registers, in the instruction management table Tb5, the instruction ID, a consumer ID corresponding to the consumer device 151 to which the instruction information is transmitted, and an event ID, a start date and time of the event period, a length F of the event period, and an allocation amount L included in the instruction information.

[0096] FIG. 8 is a diagram illustrating an example of the instruction management table after being updated by the power management apparatus according to the embodiment of the present disclosure.

[0097] Referring to FIG. 8, in the updated instruction management table Tb5, the consumer ID, event ID, start date and time of the event period, length F of the event period, and allocation amount L corresponding to the instruction information of the instruction ID "2011" are "ID-A", "1003", "2022-10-10 10:00", "3h", and "1000" kWh, respectively. The consumer ID, event ID, start date and time of the event period, length F of the event period, and allocation amount L corresponding to the instruction information of the instruction ID "2012" are "ID-C", "1003", "2022-10-10 10:00", "3h", and "500" kWh, respectively. The consumer ID, event ID, start date and time of the event period, length F of the event period, and allocation amount L corresponding to the instruction information of the instruction ID "2013" are "ID-E", "1003", "2022-10-10 10:00", "3h", and "500" kWh, respectively.

[0098] When the instruction unit 23 completes the update process R2, it outputs to the performance information acquisition unit 12 an update completion notification indicating the event ID indicated in the management information included in the selection completion information S1 from the selection unit 21 and the fact that the instruction management table Tb5 has been updated.

[0099] Furthermore, for example, when the instruction unit 23 completes the update process R2, the instruction unit 23 reads out the event management table Tb1 in the storage unit 14. Then, the instruction unit 23 changes the determination flag corresponding to the event ID indicated by the management information included in the selection completion information S1 from the selection unit 21 from "False" to "True" in the event management table Tb1.

[0100] (Acquisition of intermediate performance information) The performance information acquisition unit 12 performs a performance acquisition process B1 to acquire intermediate performance information N indicating a performance value K1 of the adjustment at a stage when the request base is adjusting the power during the event period. The intermediate performance information N is an example of first performance information.

[0101] More specifically, for example, when the performance information acquisition unit 12 receives an update completion notification from the instruction unit 23, it checks, for example periodically, by referring to the event management table Tb1 in the memory unit 14 to check whether the start date and time of the event period corresponding to the event ID that is the same as the event ID indicated in the update completion notification (hereinafter also referred to as the "target event ID") among the event IDs corresponding to the discrimination flag "True" has arrived.

[0102] Then, the performance information acquiring unit 12 performs performance acquisition process B1 when the start date and time of the event period arrives and a predetermined time T has elapsed from the start date and time. Specifically, for example, when the predetermined time T has elapsed from the start date and time, the performance information acquiring unit 12 refers to the instruction management table Tb5 in the storage unit 14 to identify a consumer ID corresponding to the same event ID as the confirmed target event ID, and transmits performance request information J1 indicating a request for a report of a performance value K1 for the period from the start date and time of the event period to the elapse of the predetermined time T (hereinafter also referred to as the "elapsed period") to the consumer device 151 of the consumer ID. The predetermined time T is shorter than the length F of the event period.

[0103] Specifically, for example, when the performance information acquiring unit 12 identifies a customer ID corresponding to the same event ID as the target event ID, the performance information acquiring unit 12 transmits performance request information J1 to the customer device 151 of the customer ID.

[0104] When the customer device 151 receives the result request information J1 from the power management apparatus 102, it transmits to the power management apparatus 102 the length G of the elapsed period, the result value K1, and intermediate result information N indicating its own customer ID.

[0105] When the performance information acquisition unit 12 in the power management apparatus 102 receives the intermediate performance information N from the customer device 151 , the performance information acquisition unit 12 outputs the received intermediate performance information N to the calculation unit 24 together with the target event ID.

[0106] The record information acquiring unit 12 may perform the record acquisition process B1 once during an event period, or may perform the record acquisition process B1 multiple times periodically or irregularly. An example in which the record information acquiring unit 12 periodically performs the record acquisition process B1 multiple times during an event period will be described below.

[0107] (Calculation of actual supply and demand achievement rate) For example, the calculation unit 24 calculates the achievement degree of the allocation amount L (hereinafter also referred to as "actual supply and demand achievement rate Q") based on the allocation amount L determined by the determination unit 22 and the intermediate performance information N acquired by the performance information acquisition unit 12. The actual supply and demand achievement rate Q is an example of a first achievement degree.

[0108] <Example 1> For example, the calculation unit 24 calculates the actual supply and demand achievement rate Q by using the identified allocation amount L and the performance value K1 indicated by the intermediate performance information N from the performance information acquisition unit 12.

[0109] More specifically, for example, when the calculation unit 24 receives intermediate performance information N from the performance information acquisition unit 12, the calculation unit 24 reads out the instruction management table Tb5 in the storage unit 14. Then, the calculation unit 24 refers to the instruction management table Tb5 to identify the allocation amount L corresponding to the consumer ID and the target event ID indicated by the intermediate performance information N.

[0110] For example, when the actual value K1 indicated by the intermediate performance information N from the performance information acquisition unit 12 is smaller than the identified allocation amount L, the calculation unit 24 calculates the actual supply and demand achievement rate Q by substituting the allocation amount L and the actual value K1 into the following equation (1). Q = (K1 / L) × 100 (1)

[0111] Also, for example, when the actual value K1 indicated by the intermediate performance information N from the performance information acquisition unit 12 is greater than the identified allocation amount L, the calculation unit 24 calculates the actual supply and demand achievement rate Q by substituting the allocation amount L and the actual value K1 into the following equation (2). Q=(1-((K1-L) / L))×100 ···(2)

[0112] For example, when the allocation amount L and the actual value K1 are 100 kWh and 90 kWh, respectively, the actual supply-demand achievement rate Q calculated by the calculation unit 24 using the formula (1) is 90%. Also, when the allocation amount L and the actual value K1 are 100 kWh and 110 kWh, respectively, the actual supply-demand achievement rate Q calculated by the calculation unit 24 using the formula (2) is 90%.

[0113] <Example 2> For example, the calculation unit 24 calculates the actual supply and demand achievement rate Q by using the allocation amount La to be achieved in the elapsed period out of the identified allocation amount L and the actual result value K1.

[0114] More specifically, for example, when the calculation unit 24 receives intermediate performance information N from the performance information acquisition unit 12, the calculation unit 24 reads out the instruction management table Tb5 in the storage unit 14. Then, the calculation unit 24 refers to the instruction management table Tb5 to identify the allocation amount L and the length of the event period F corresponding to the consumer ID and the target event ID indicated by the intermediate performance information N.

[0115] Then, the calculation unit 24 calculates the allocation amount La by substituting the identified allocation amount L and length F of the event period, as well as the length G of the elapsed period indicated by the intermediate performance information N from the performance information acquisition unit 12, into the following equation (3). La = L × G / F (3)

[0116] For example, if the length F of the event period is 60 minutes and the length G of the elapsed period is 30 minutes, the allocation amount La is half the value of the allocation amount L.

[0117] For example, when the actual value K1 indicated by the intermediate performance information N from the performance information acquisition unit 12 is smaller than the calculated allocation amount La, the calculation unit 24 calculates the actual supply and demand achievement rate Q by substituting the allocation amount La and the actual value K1 into the following equation (4). Q = (K1 / La) × 100 (4)

[0118] In addition, for example, when the actual value K1 indicated by the intermediate performance information N from the performance information acquisition unit 12 is greater than the calculated allocation amount La, the calculation unit 24 calculates the actual supply and demand achievement rate Q by substituting the allocation amount La and the actual value K1 into the following equation (5). Q=(1-((K1-La) / La))×100 ···(5)

[0119] After calculating the actual supply and demand achievement rate Q, the calculation unit 24 outputs calculation result information D1 indicating the calculation result, the corresponding consumer ID, and the target event ID included in the intermediate performance information N from the performance information acquisition unit 12 to the selection unit 21.

[0120] (Reselection process) The selection unit 21 performs a reselection process to select another customer device 151 different from the requested base station selected in the base selection process as a new requested base station based on the allocation amount L determined by the determination unit 22 and the intermediate performance information N acquired by the performance information acquisition unit 12.

[0121] More specifically, for example, the selection unit 21 performs a re-selection process calculated by the calculation unit 24 based on the actual supply and demand achievement rate Q and the past achievement rate P calculated by the calculation unit 24, and also performs a cancellation process to cancel the selection of the requested base in the base selection process.

[0122] Specifically, for example, when the selection unit 21 receives the calculation result information D1 from the calculation unit 24, the selection unit 21 checks whether or not the actual supply and demand achievement rate Q indicated by the calculation result information D1 satisfies the condition G. The condition G is, for example, that the actual supply and demand achievement rate Q is less than a predetermined threshold value Th.

[0123] For example, when the actual supply and demand achievement rate Q indicated by the calculation result information D1 from the calculation unit 24 does not satisfy the condition G, that is, when the actual supply and demand achievement rate Q is equal to or greater than the threshold value Th, the selection unit 21 does not perform the reselection process or the cancellation process.

[0124] On the other hand, for example, when the actual supply and demand achievement rate Q indicated by the calculation result information D1 from the calculation unit 24 satisfies the condition G, the selection unit 21 performs a reselection process and a release process. Specifically, for example, when the actual supply and demand achievement rate Q is less than the threshold value Th, the selection unit 21 reads out the instruction management table Tb5 and the event management table Tb1 in the storage unit 14. Then, the selection unit 21 identifies a consumer ID corresponding to the same event ID as the target event ID indicated by the calculation result information D1 by referring to the instruction management table Tb5. Furthermore, the selection unit 21 identifies an event type and a power company corresponding to the target event ID by referring to the event management table Tb1.

[0125] Here, as described above, the actual supply-demand achievement rate Q calculated using formula (1) or formula (2) is the ratio of the actual value K1 in the elapsed period to the allocation amount L in the entire event period. Also, the actual supply-demand achievement rate Q calculated using formula (4) or formula (5) is the ratio of the actual value K1 in the elapsed period to the allocation amount La.

[0126] In a certain requested base station, when the adjustment of power during the event period is smoothly performed, the actual supply-demand achievement rate Q calculated using formula (1) or formula (2) becomes smaller as the length G of the elapsed period is shorter, and becomes larger as the length G of the elapsed period is longer. That is, the selection unit 21 is more likely to perform reselection processing and cancellation processing as the length G of the elapsed period is shorter. On the other hand, the actual supply-demand achievement rate Q calculated using formula (4) or formula (5) does not depend on the length G of the elapsed period. Therefore, in a certain requested base station, when the adjustment of power during the event period is smoothly performed, even if the length G of the elapsed period is short, the actual supply-demand achievement rate Q may be close to 100 percent. In this case, the selection unit 21 is less likely to perform reselection processing and cancellation processing.

[0127] In the following description, the selection unit 21 assumes that the consumer ID and the target event ID indicated by the calculation result information D1 are "ID-D" and "1003", respectively. In this case, the selection unit 21 specifies "tertiary control capacity 1" and "electric power company A" as the event type and the electric power company corresponding to the target event ID, respectively. The selection unit 21 also specifies "ID-A" and "ID-C" as consumer IDs corresponding to the same event ID as the target event ID. In other words, the selection unit 21 confirms that the multiple consumer IDs corresponding to the multiple request bases currently executing the event are the consumer ID "ID-D" and the consumer IDs "ID-A" and "ID-C" indicated by the calculation result information D1.

[0128] Then, when the selection unit 21 confirms the requested base selected in the base selection process, the selection unit 21 identifies a plurality of consumer devices 151 corresponding to the identified event type and power company by referring to the base management table Tb2 illustrated in FIG. 5. Then, the selection unit 21 confirms, among the identified plurality of consumer devices 151, consumer devices 151 other than the consumer device 151 selected as the requested base in the base selection process, i.e., consumer devices 151 excluded from the selection of the requested base. Specifically, for example, the selection unit 21 confirms that, among the consumer devices 151A, 151C, 151D, 151E, and 151F that are a plurality of consumer devices 151 corresponding to the event type "tertiary control capacity 1" and the power company "power company A", the consumer devices 151E and 151F with consumer IDs "ID-E" and "ID-F" are the consumer devices 151 excluded from the selection of the requested base.

[0129] Then, the selection unit 21 identifies multiple past achievement rates P corresponding to the identified multiple consumer IDs, respectively, by referring to the achievement rate table Tb4 shown in Fig. 7. Here, the selection unit 21 identifies the past achievement rate P corresponding to the consumer ID "ID-E" and the past achievement rate P corresponding to the consumer ID "ID-F".

[0130] Then, in the reselection process, the selection unit 21 identifies as the new requested base the consumer device 151 of the consumer ID corresponding to the largest past achievement rate P among the identified multiple past achievement rates P. Here, the selection unit 21 selects the consumer device 151E as the new requested base because the past achievement rate P corresponding to the consumer ID "ID-E" is greater than the past achievement rate P corresponding to the consumer ID "ID-F".

[0131] When the selection unit 21 selects a new requested base in the reselection process, the selection unit 21 performs a cancellation process. Specifically, for example, the selection unit 21 deletes a record corresponding to the consumer ID indicated by the calculation result information D1 from the calculation unit 24 in the instruction management table Tb5.

[0132] Here, the selection unit 21 deletes the record corresponding to the consumer ID "ID-D" from the instruction management table Tb5 illustrated in FIG.

[0133] Furthermore, for example, when the selection unit 21 selects a new requested base in the reselection process, it acquires from the storage unit 14 management information indicating an event ID that is the same as the target event ID indicated in the calculation result information D1 from the calculation unit 24. Then, the selection unit 21 outputs to the determination unit 22 and the instruction unit 23 selection completion information S2 including the acquired management information, a consumer ID of the new requested base (hereinafter also referred to as a "reselected ID"), and a consumer ID that corresponds to the same event ID as the target event ID in the instruction management table Tb5 after the release process and is other than the reselected ID (hereinafter also referred to as an "existing ID").

[0134] (Determining the amount of allocation to be given to new request bases) 2 and 6 again, when the determination unit 22 receives the selection completion information S2 from the selection unit 21, it reads out the adjustment amount table Tb3 in the storage unit 14. Then, by referring to the adjustment amount table Tb3, the determination unit 22 identifies the adjustment amount corresponding to the electric power company indicated by the management information included in the selection completion information S2, from among the adjustment amount Sa and the adjustment amount Sb corresponding to the reselection ID indicated in the selection completion information S2.

[0135] In addition, the determination unit 22 refers to the adjustable amount table Tb3 to identify the adjustable amount corresponding to the electric power company indicated by the management information included in the selection completion information S2, from among the adjustable amounts Sa and Sb corresponding to the existing ID indicated in the selection completion information S2.

[0136] After identifying the adjustable amount corresponding to the reselected ID and the adjustable amount corresponding to the existing ID, the determination unit 22 compares the total value U2 of the adjustable amounts with the command value indicated by the management information included in the selection completion information S2.

[0137] For example, when the total value U2 is smaller than the command value, or when the total value U2 is equal to the command value, the determination unit 22 determines the adjustment amount corresponding to the reselection ID as the allocation amount L to be allocated to the new requested base station.

[0138] For example, when the total value U2 is greater than the command value, the determination unit 22 calculates a difference amount V2 by subtracting the command value from the total value U2. Then, the determination unit 22 determines a value obtained by subtracting the difference amount V2 from the adjustable amount corresponding to the reselection ID as the allocation amount L to be allocated to the new requested base station.

[0139] If the total value U2 is greater than the command value, the determination unit 22 may determine the allocation amount L to be allocated to the new requested base station according to the ratio of the adjustable amount corresponding to the reselected ID and the adjustable amount corresponding to the existing ID.

[0140] When the determination unit 22 determines the allocation amount L to be allocated to the new requested base station, the determination unit 22 outputs allocation amount information H2 indicating the determined allocation amount L to the instruction unit 23.

[0141] (Send instructions to new request base) When the instruction unit 23 receives selection completion information S2 from the selection unit 21 and allocation amount information H2 from the determination unit 22, it transmits instruction information to the requested base station, the instruction information including the event ID indicated in the management information contained in the selection completion information S2, the start date and time and length F of the event period, and the allocation amount L indicated by the allocation amount information H2.

[0142] When the instruction unit 23 transmits the instruction information to the new request base, the instruction unit 23 sets an instruction ID in the instruction information and performs an update process R2 to update the instruction management table Tb5.

[0143] FIG. 9 is a diagram illustrating another example of the instruction management table after updating by the power management apparatus according to the embodiment of the present disclosure.

[0144] 9, in the updated instruction management table Tb5, compared to the instruction management table Tb5 shown in FIG 8, the record corresponding to the consumer ID "ID-D" is deleted and a record corresponding to the consumer ID "ID-E" is registered. Specifically, in the record corresponding to the consumer ID "ID-E", the instruction ID, event ID, start date and time of the event period, length F of the event period, and allocation amount L corresponding to the consumer ID "ID-E" are "2014", "1003", "2022-10-10 10:00", "3h", and "500", respectively.

[0145] (Creating an achievement rate table) Referring again to FIG. 2, for example, the selection unit 21 performs an acquisition process to acquire the achievement rate table Tb4.

[0146] More specifically, for example, the performance information acquiring unit 12 further acquires past performance information M indicating a performance value K2 of power adjustment in a past period by the customer device 151. In the acquisition process, the selecting unit 21 creates an achievement rate table Tb4 based on the past performance information M acquired by the performance information acquiring unit 12. The past performance information M is an example of second performance information.

[0147] Specifically, for example, when the performance information acquisition unit 12 receives an update completion notification from the instruction unit 23, it waits for the end time of the event period to arrive. Then, when the end time of the event period arrives, the performance information acquisition unit 12 refers to the event management table Tb1 in the storage unit 14 to identify the start date / time and the length F of the event period corresponding to the target event ID indicated in the update completion notification. That is, the performance information acquisition unit 12 identifies the start date / time and the length of the past period.

[0148] After identifying the start date / time and the length of the past period, the performance information acquiring unit 12 refers to the instruction management table Tb5 in the storage unit 14 to identify the consumer ID corresponding to the target event ID indicated in the update completion notification from the instruction unit 23. Then, the performance information acquiring unit 12 transmits performance request information J2 requesting a report of the performance value K2 and indicating the start date / time and the length of the identified past period to the consumer device 151 of that consumer ID.

[0149] When the consumer device 151 receives the result request information J2 from the power management apparatus 102, it transmits to the power management apparatus 102 the result value K2, the target event ID indicated in the result request information J2, and past result information M indicating its own consumer ID.

[0150] When the performance information acquisition unit 12 in the power management apparatus 102 receives the past performance information M from the customer device 151, the performance information acquisition unit 12 outputs the received past performance information M to the calculation unit 24, including the target event ID indicated in the update completion notification from the instruction unit 23.

[0151] When the calculation unit 24 receives the past performance information M from the performance information acquisition unit 12, the calculation unit 24 refers to the instruction management table Tb5 in the storage unit 14 to identify the allocation amount L corresponding to the target event ID and consumer ID indicated by the past performance information M.

[0152] Then, the calculation unit 24 calculates the past achievement rate P using the identified allocation amount L and the result value K2 indicated by the past result information M from the result information acquisition unit 12.

[0153] Specifically, for example, when the result value K2 is smaller than the allocation amount L, the calculation unit 24 calculates the past achievement rate P by substituting the allocation amount L and the result value K2 into the following formula (3). P = (K2 / L) × 100 (3)

[0154] Furthermore, for example, when the result value K2 is greater than the allocation amount L, the calculation unit 24 calculates the past achievement rate P by substituting the allocation amount L and the result value K2 into the following formula (4). P=(1-((K2-L) / L))×100 ···(4)

[0155] For example, when the allocation amount L and the actual value K2 are 100 kWh and 90 kWh, respectively, the past achievement rate P calculated by the calculation unit 24 using the formula (3) is 90%. Also, when the allocation amount L and the actual value K2 are 100 kWh and 110 kWh, respectively, the past achievement rate P calculated by the calculation unit 24 using the formula (4) is 90%.

[0156] After calculating the past achievement rate P, the calculation unit 24 outputs to the selection unit 21 calculation result information D2 indicating the calculation result and the corresponding consumer ID.

[0157] When the selection unit 21 receives the calculation result information D2 from the calculation unit 24, the selection unit 21 creates an achievement rate table Tb4 using the calculation result information D2. Then, the selection unit 21 stores the created achievement rate table Tb4 in the storage unit 14.

[0158] [Operation flow] 10 and 11 are flowcharts that define an operation procedure when the power management device according to the embodiment of the present disclosure performs the reselection process and the release process.

[0159] 10 and 11, first, power management apparatus 102 waits for the arrival of management information from power company server 101 (NO in step S101).

[0160] Then, when the power management apparatus 102 receives the management information from the power company server 101 (YES in step S101), it updates the event management table Tb1 using the received management information. For example, as described above, the power management apparatus 102 registers the event ID, event type, start date and time of the event period, length F of the event period, command value, and power company indicated in the received management information in the event management table Tb1 in the storage unit 14 (step S102).

[0161] Next, the power management apparatus 102 performs a base selection process to select a requested base from among the multiple consumer devices 151. For example, as described above, if past management information indicating the same event type as the event type indicated by the management information received from the power company server 101 is not stored in the storage unit 14, the power management apparatus 102 selects the requested base using the base management table Tb2 and the adjustable amount table Tb3. Alternatively, for example, if past management information is stored in the storage unit 14, the power management apparatus 102 selects the requested base using the base management table Tb2, the adjustable amount table Tb3, and the achievement rate table Tb4 (step S103).

[0162] Next, the power management apparatus 102 determines an allocation amount L for allocating the command value indicated by the management information from the power company server 101 to the selected requested base (step S104).

[0163] Next, the power management apparatus 102 transmits instruction information including the event ID indicated in the management information from the power company server 101, the start date and time and length F of the event period, and the determined allocation amount L to the requested base (step S105).

[0164] Next, the power management apparatus 102 waits for the start date and time of the event period to arrive (NO in step S106).

[0165] Then, when the start date and time of the event period arrives (YES in step S106) and a predetermined time T1 has elapsed from the start date and time, the power management apparatus 102 transmits result request information J1 requesting a report of the result value K1 to the request base (step S107).

[0166] Next, the power management apparatus 102 receives the intermediate performance information N indicating the performance value K1 from the requested base (step S108).

[0167] Next, the power management apparatus 102 calculates an actual supply and demand achievement rate Q, which is the achievement degree for the allocation amount L, using the intermediate result information N received from the requested base (step S109).

[0168] Next, the power management apparatus 102 checks whether the calculated actual supply and demand achievement rate Q is less than a threshold value Th (step S110).

[0169] Then, when the calculated actual supply and demand achievement rate Q is less than the threshold value Th (YES in step S110), the power management device 102 performs a reselection process to select another customer device 151 different from the requested base selected in the base selection process as a new requested base. For example, as described above, the power management device 102 selects, as a new requested base, the customer device 151 with the highest past achievement rate P from among the customer devices 151 other than the customer device 151 selected as the requested base in the base selection process (step S111).

[0170] Next, the power management apparatus 102 performs a cancellation process to cancel the selection of the requested base in the base selection process (step S112).

[0171] Next, the power management apparatus 102 determines the amount of power allocated to the new requested base (step S113). Note that the order of the processes in steps S112 and S113 may be reversed, or the processes may be performed in parallel.

[0172] Next, the power management apparatus 102 transmits instruction information to the new requested base (step S114).

[0173] Next, the power management apparatus 102 checks whether the end time of the event period has arrived (step S115).

[0174] Then, when the end time of the event period has arrived (YES in step S115), power management apparatus 102 waits for the arrival of new management information from power company server 101 (NO in step S101).

[0175] On the other hand, if the end time of the event period has not arrived (NO in step S115), when a predetermined time T2 has elapsed since the previous transmission time of the result request information J1, the power management apparatus 102 transmits new result request information J1 to the request base (step S107). Note that the predetermined time T1 and the predetermined time T2 may be the same value or different values.

[0176] In addition, if the actual supply and demand achievement rate Q is equal to or greater than the threshold value Th (NO in step S110), the power management device 102 does not perform reselection processing, cancellation processing, or processing of sending instruction information to a new requested base, but instead checks whether the end time of the event period has arrived (step S115).

[0177] In the power management system 201 according to the embodiment of the present disclosure, the power management apparatus 102 is configured to acquire the performance value K1 for the event period indicated by the management information from the power company server 101, but this is not limited to the above. The power management apparatus 102 may be configured to accept an input operation of the event period by the aggregator. In this case, the power management apparatus 102 acquires the performance value K1 for the event period input by the aggregator.

[0178] In the power management system 201 according to the embodiment of the present disclosure, the power management apparatus 102 is configured to perform a reselection process for selecting a new requested base, as well as a cancellation process for canceling the selection of the requested base in the base selection process, but this is not limited to the above. The power management apparatus 102 may be configured to perform a reselection process but not a cancellation process.

[0179] In addition, in the power management system 201 according to the embodiment of the present disclosure, the power management device 102 is configured to calculate the actual supply and demand achievement rate Q at the requested base, and perform reselection processing and cancellation processing when the calculated actual supply and demand achievement rate Q is less than the threshold value Th, but this is not limited to the above. The power management device 102 may be configured not to calculate the actual supply and demand achievement rate Q, but to perform reselection processing and cancellation processing when the performance value K1 indicated by the intermediate performance information N received from the requested base is less than a predetermined threshold value.

[0180] In addition, in the power management system 201 according to the embodiment of the present disclosure, the power management device 102 is configured to select a new requested base based on the past achievement rate P in the reselection process, but this is not limited to this. The power management device 102 may be configured to select, as a new requested base, a consumer device 151 that satisfies a predetermined condition, from among multiple consumer devices 151 excluded from the selection of requested bases in the base selection process, without using the past achievement rate P.

[0181] In addition, in the power management system 201 according to the embodiment of the present disclosure, the power management device 102 is configured to transmit performance request information J1 to the requested base and receive intermediate performance information N indicating a performance value K1 from the requested base when a predetermined time T has elapsed from the start date and time of the event period, but this is not limited to the above. The power management device 102 may be configured to count the number of times instruction information is transmitted to the requested base and not transmit the performance request information J1 until the number of times instruction information is transmitted to a certain requested base reaches a predetermined value. In this case, for example, the requested base periodically transmits performance information indicating a performance value of the adjustment amount during the event period indicated by the instruction information received from the power management device 102 or during another period different from the event period to the power management device 102.

[0182] Furthermore, the power management apparatus 102 may be configured to transmit the result request information J1 to the requesting location a predetermined time before the start date and time of the event period, for example, one hour before the start date and time. In this case, for example, the requesting location transmits result information indicating the result value of the adjustment amount during a predetermined period Ta that includes the event period to the power management apparatus 102. The predetermined period Ta is, for example, the period from one hour before the start date and time of the event period to one hour after the end date and time of the event period.

[0183] In addition, in the power management system 201 according to the embodiment of the present disclosure, the power management apparatus 102 is configured to create the achievement rate table Tb4 based on the past performance information M from the consumer device 151, but this is not limited to this. The power management apparatus 102 may be configured to store in advance in the storage unit 14 the achievement rate table Tb4 created by another device.

[0184] Furthermore, some or all of the functions of the power management apparatus 102 according to the embodiment of the present disclosure may be provided by cloud computing. That is, the power management apparatus 102 according to the embodiment of the present disclosure may be a cloud server configured by a plurality of servers.

[0185] The above-described embodiments should be considered as illustrative and not restrictive in all respects. The scope of the present invention is defined by the claims, not by the above description, and is intended to include all modifications within the meaning and scope of the claims.

[0186] Each process (each function) of the above-mentioned embodiment is realized by a processing circuit including one or more processors. The processing circuit may be composed of an integrated circuit or the like in which one or more memories, various analog circuits, and various digital circuits are combined in addition to the one or more processors. The one or more memories store programs (instructions) that cause the one or more processors to execute each of the above processes. The one or more processors may execute each of the above processes according to the programs read from the one or more memories, or may execute each of the above processes according to a logic circuit designed in advance to execute each of the above processes. The processor may be various processors suitable for computer control, such as a CPU (Central Processing Unit), a GPU (Graphics Processing Unit), a DSP (Digital Signal Processor), an FPGA (Field Programmable Gate Array), and an ASIC (Application Specific Integrated Circuit). The physically separated processors may cooperate with each other to execute each of the above processes. For example, the processors mounted on each of a plurality of physically separated computers may cooperate with each other via a network such as a LAN (Local Area Network), a WAN (Wide Area Network), the Internet, etc. The program may be installed in the memory from an external server device or the like via the network, or may be distributed in a state stored in a recording medium such as a CD-ROM (Compact Disc Read Only Memory), a DVD-ROM (Digital Versatile Disc Read Only Memory), or a semiconductor memory, and installed in the memory from the recording medium.

[0187] The above description includes the following additional features. [Appendix 1] a management information acquisition unit that acquires management information indicating an adjustment amount for power adjustment in a power system including a plurality of bases that adjust power; a selection unit that performs a base selection process to select a request base that is a base to be requested to make the adjustment from among the plurality of bases based on the management information acquired by the management information acquisition unit; a determination unit that determines an adjustment amount indicated by the management information acquired by the management information acquisition unit to be allocated to the request base selected by the selection unit; a performance information acquisition unit that acquires first performance information indicating a performance value of the adjustment at a stage where the request base is performing the adjustment during a target period of the adjustment, the selection unit performs a reselection process to select, as a new request base, another base different from the request base selected in the base selection process, based on the allocation amount determined by the determination unit and the first performance information acquired by the performance information acquisition unit; The selection unit selects the requested base in the base selection process based on the degree of achievement of the allocation amount by the base that is a candidate for the requested base in a period prior to the target period, the power management device.

[0188] [Appendix 2] A processing circuit is provided, The processing circuitry includes: Obtaining management information indicating an adjustment amount for the adjustment of power in a power system including a plurality of bases that adjust the power; performing a base selection process for selecting a request base that is a base to which the adjustment is requested from among the plurality of bases based on the acquired management information; determining an allocation amount to be allocated to the selected request base from the adjustment amount indicated by the acquired management information; acquire first performance information indicating a performance value of the adjustment at a stage when the request base is performing the adjustment during a target period of the adjustment; A power management device performs a reselection process to select another base other than the requested base selected in the base selection process as the new requested base based on the determined allocation amount and the acquired first performance information. [Explanation of symbols]

[0189] 11 Management information acquisition department 12 Performance Information Acquisition Department 13 Processing section 14 Storage section 21 Selection section 22 Decision Section 23 Instruction section 24 Calculation section 101, 101A, 101B Power company server 102 Power management device 151, 151A to 151F Customer equipment 201 Power Management System

Claims

1. a management information acquisition unit that acquires management information indicating an adjustment amount for power adjustment in a power system including a plurality of bases that adjust power; a selection unit that performs a base selection process to select a request base that is a base to be requested to make the adjustment from among the plurality of bases based on the management information acquired by the management information acquisition unit; a determination unit that determines an adjustment amount indicated by the management information acquired by the management information acquisition unit to be allocated to the request base selected by the selection unit; a performance information acquisition unit that acquires first performance information indicating a performance value of the adjustment at a stage where the request base is performing the adjustment during a target period of the adjustment, The selection unit is a power management device that performs a reselection process to select another base other than the requested base selected in the base selection process as the new requested base based on the allocation amount determined by the determination unit and the first performance information acquired by the performance information acquisition unit.

2. The management information further indicates the target period, The power management device according to claim 1 , wherein the performance information acquisition unit acquires the first performance information indicating the performance value during the target period indicated by the management information acquired by the management information acquisition unit.

3. The power management device further comprises: a calculation unit that calculates a first achievement degree, which is an achievement degree for the allocation amount, based on the allocation amount determined by the determination unit and the first performance information acquired by the performance information acquisition unit; The power management device according to claim 1 , wherein the selection unit performs the reselection process when the first achievement degree calculated by the calculation unit satisfies a predetermined condition.

4. The power management device of claim 3, wherein the selection unit performs the reselection process and a cancellation process to cancel the selection of the requested base in the base selection process when the first degree of achievement calculated by the calculation unit satisfies the specified condition.

5. The selection unit further performs an acquisition process to acquire correspondence information indicating a correspondence relationship between the base and a second achievement degree, which is an achievement degree with respect to the allocation amount in a past period that is a period prior to the target period; The selection unit acquires the second achievement degree corresponding to the base that is a candidate for the new requested base in the reselection process based on the acquired correspondence information, The power management device of claim 3, wherein the selection unit performs the reselection process based on the first degree of achievement calculated by the calculation unit and the second degree of achievement acquired, and also performs a cancellation process to cancel the selection of the requested base in the base selection process.

6. The performance information acquisition unit further acquires second performance information indicating a performance value of the adjustment in the past period by the base that is the candidate, The power management device according to claim 5 , wherein the selection unit creates the correspondence information based on the second performance information acquired by the performance information acquisition unit in the acquisition process.

7. A power management method in a power management device, comprising: acquiring management information indicating an adjustment amount for adjusting power in a power system including a plurality of bases that adjust the power; performing a base selection process for selecting a request base that is a base to which the adjustment is requested from among the plurality of bases based on the acquired management information; determining an adjustment amount indicated by the acquired management information to be allocated to the selected request base; acquiring first performance information indicating a performance value of the adjustment at a stage when the request base is performing the adjustment during a target period of the adjustment; A power management method comprising: a step of performing a reselection process to select another base other than the requested base selected in the base selection process as the new requested base based on the determined allocation amount and the acquired first performance information.

8. A power management program for use in a power management device, Computer, a management information acquisition unit that acquires management information indicating an adjustment amount for power adjustment in a power system including a plurality of bases that adjust power; a selection unit that performs a base selection process to select a request base that is a base to be requested to make the adjustment from among the plurality of bases based on the management information acquired by the management information acquisition unit; a determination unit that determines an adjustment amount indicated by the management information acquired by the management information acquisition unit to be allocated to the request base selected by the selection unit; an achievement information acquisition unit that acquires first achievement information indicating an achievement value of the adjustment at a stage where the requesting base is performing the adjustment during a target period of the adjustment; It is a program to function as The selection unit performs a reselection process to select another base other than the requested base selected in the base selection process as the new requested base based on the allocation amount determined by the determination unit and the first performance information acquired by the performance information acquisition unit.This is a power management program.

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