WO2015136920A1 - 蓄電池共有システム、情報処理装置、蓄電池共有方法、及び、蓄電池共有プログラムを記録した記録媒体 - Google Patents
蓄電池共有システム、情報処理装置、蓄電池共有方法、及び、蓄電池共有プログラムを記録した記録媒体 Download PDFInfo
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- WO2015136920A1 WO2015136920A1 PCT/JP2015/001308 JP2015001308W WO2015136920A1 WO 2015136920 A1 WO2015136920 A1 WO 2015136920A1 JP 2015001308 W JP2015001308 W JP 2015001308W WO 2015136920 A1 WO2015136920 A1 WO 2015136920A1
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- power
- amount
- discharge
- information
- storage device
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00028—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment involving the use of Internet protocols
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/14—Energy storage units
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
Definitions
- the present invention relates to a technology for sharing a storage battery.
- Patent Document 1 discloses a power supply system for collective housing.
- This power supply system for collective housing supplies at least one of the generated power of the power generation device and the power stored in the storage battery to the power supply destination including the dwelling of the collective housing and other than the dwelling.
- This system sets the priority of the supply destination to which power is supplied for each time zone, and controls the supply means to supply power according to the priority.
- Patent Document 2 discloses a control device that reduces power generation loss.
- the control device includes a prediction information holding unit, a prediction unit, a supply power acquisition unit, and a command transmission unit.
- the prediction information holding unit holds prediction information for predicting electricity usage at each of the plurality of user sites.
- the prediction unit calculates a predicted value of electricity usage at each user site based on the prediction information, and sums the predicted value over a plurality of user sites to obtain a total predicted value.
- the supply power acquisition unit acquires the scheduled power supply amount.
- the command transmission unit transmits command information for discharging the power storage device to a user site including the power storage device in a tight period in which a difference between the scheduled power supply amount and the total predicted value is smaller than a predetermined threshold. .
- Patent Document 1 supplies power to consumers with the first priority, and supplies surplus power to consumers with the second or lower priority. Therefore, the amount of power supplied to consumers with low priorities depends on the usage of consumers with high priorities. For example, even if a consumer with low priority requests a power supply from a storage battery, it may not be able to receive a power supply that meets the demand. That is, there is a problem in that, although a storage battery is shared by a plurality of consumers, there is a case where electric power corresponding to a requested amount that the consumer wants to receive from the storage battery is not supplied from the power storage device. In other words, the power storage device cannot be appropriately controlled in consideration of each demand of the consumer for the amount of power required as the power supplied from the storage battery to each of the plurality of consumer facilities.
- Patent Document 2 selects a power storage device so that the remaining amounts of a plurality of storage batteries provided on the user site side are not biased, and determines a storage battery discharge amount. Therefore, the technique described in Patent Document 2 cannot solve the problems in the technique described in Patent Document 1.
- An object of the present invention is to appropriately control a power storage device in consideration of each demand of a customer facility for the amount of power required as power supplied from the power storage device to each of a plurality of customer facilities.
- An information processing apparatus includes a discharge remaining power information acquisition unit that acquires discharge remaining power information indicating an amount of power that can be discharged by a power storage device connected to a plurality of customer facilities; Discharge request power information acquisition means for acquiring discharge request power information indicating a discharge request power amount required as power supplied to each of a plurality of customer facilities from the power storage device; Discharge amount determining means for determining a storage battery discharge amount indicating the amount of power discharged by the power storage device based on the remaining discharge capacity information and the required discharge power information.
- the storage battery sharing system includes a power storage unit that is connected to a plurality of customer facilities and supplies power to the customer facilities, Discharge capacity information acquisition means for acquiring discharge capacity information indicating the amount of power that can be discharged from the storage means; Discharge request power information acquisition means for acquiring discharge request power information indicating a discharge request power amount required as supply power from the power storage means to each of a plurality of customer facilities; A discharge amount determining means for determining a storage battery discharge amount indicating the power discharged by the power storage means, using the remaining discharge power information and the required discharge power information; Control means for controlling the power storage means in accordance with the storage battery discharge amount.
- a first computer-readable non-transitory recording medium is provided in a computer. Obtain the remaining discharge capacity information indicating the amount of electric power that can be discharged by the power storage device connected to the plurality of customer facilities, Obtain discharge request power information indicating the required discharge power amount as power supplied from the power storage device to each of a plurality of customer facilities, A storage battery sharing program for determining the storage battery power amount indicating the amount of power discharged by the power storage device is executed according to the acquired discharge capacity information and discharge required power information.
- a second computer-readable non-transitory recording medium is provided in a computer.
- the required discharge power information indicating the required discharge power amount as power supplied from the power storage device to each of the plurality of customer facilities, and the storage battery power amount indicating the amount of power that the power storage device discharges in a certain period
- a storage battery sharing program for executing a process of determining an allocated power amount indicating a power amount that can be virtually used by each customer facility among the storage battery discharge amount is recorded.
- a storage battery discharge amount determination method is: Discharge capacity information indicating the amount of power that can be discharged from the power storage device connected to the plurality of customer facilities, Using requested discharge power information indicating the required discharge power amount for each of the plurality of customer facilities as the supplied power from the power storage device, A storage battery discharge amount indicating power discharged from the power storage device is determined.
- the deemed amount determination method in one aspect of the present invention is: Using the allocated power amount information indicating the amount of power that can be virtually supplied to each of the plurality of customer facilities and the supplied power amount information indicating the amount of power supplied to each of the plurality of customer facilities, A deemed amount indicating the amount of power that each of the plurality of customer facilities considers to be supplied from the power storage device is determined.
- an electrical storage apparatus can be appropriately controlled in consideration of each request
- FIG. 1 It is a figure which shows an example of a structure of the electric power network and communication network in embodiment of this invention. It is a figure which shows the example of application of the connection structure of the power line of a consumer facility and communication circuit in this embodiment. It is a figure which shows an example of the functional block diagram of the management apparatus in this embodiment. It is a figure which shows an example of the remaining discharge power information in this embodiment, discharge required power information, and storage battery discharge amount. It is a flowchart which shows an example of the flow of a process of the management apparatus in this embodiment. It is a figure which shows the example of application of the connection structure of the power line and communication circuit of a consumer in this embodiment. It is a figure which shows an example of the functional block diagram of the management apparatus in this embodiment.
- FIG. 1 shows a configuration of a storage battery sharing system to which a management apparatus (also referred to as an information processing apparatus) 102 according to the present embodiment is applied.
- the storage battery sharing system includes a power system 100, a power storage device 101, a management device 102, a plurality of customer facilities 106a to 106c, a power distribution network 105, a network 103 such as the Internet, and a communication circuit 104.
- the power system 100 is connected to the power storage device 101 and a plurality of customer facilities 106 via the power distribution network 105.
- An electric power system 100 (an electric power supplier such as an electric power company) supplies electric power to the power storage device 101 and a plurality of customer facilities 106a to 106c via the distribution network 105.
- Management device 102 is connected to power storage device 101 via network 103 and communication circuit 104.
- the management device 102 determines a storage battery discharge amount indicating the amount of power discharged by the power storage device 101, and instructs the power storage device 101 about the storage battery discharge amount.
- the power storage device 101 is connected to a plurality of customer facilities via the power distribution network 105.
- the power storage device 101 stores at least the power supplied by the power system 100.
- the power storage device 101 supplies power to the customer facilities 106a to 106c by discharging the stored power in accordance with the instruction of the storage battery discharge amount from the management device 102.
- the customer facility 106 is a building that is supplied with power via the power distribution network 105 and includes a load 50 that consumes the supplied power.
- the building is a detached house, an apartment house, a store, or the like.
- the customer facility 106 includes facilities such as parks, commercial facilities, and business establishments in addition to buildings.
- each unit which makes a contract with electric power suppliers such as each residence of an apartment house, a common part of an apartment house, each store of a commercial facility, and one floor of a building, as one consumer facility 106.
- the some building which the same consumer owns is good also as one consumer facility. For example, in a commercial facility where a plurality of stores occupy, a contract for receiving power supply from the power storage device 101 is concluded for each store, and each store is a customer facility.
- the consumer uses the power discharged from the power storage device 101 (and the power supplied by the power system 100) via the power distribution network 105 in the customer facility 106 or the power supply / demand contractor (for example, the power supply of the power storage device 101).
- the consumer is, for example, a representative of a resident of a house, and a representative of an individual house if it is an apartment house.
- a commercial facility operator is a consumer when a commercial facility operator has concluded a contract in a lump. If the customer facilities 106a to 106c are facilities owned by local governments, the customers are local governments.
- FIG. 2 is an example of a functional block diagram of the customer facilities 106a to 106c.
- the customer facility 106 has a plurality of loads 50.
- the load 50 is connected to the power distribution network 105 and consumes at least one of the power supplied by the power system 100 and the power storage device 101.
- the customer facility 106 may include a communication unit 51 and an input unit 52 connected by a communication circuit.
- the communication unit 51 is connected to the management apparatus 102 via a network 103 such as the Internet or a LAN (Local Area Network).
- a network 103 such as the Internet or a LAN (Local Area Network).
- FIG. 3 shows an example of a functional block diagram of the management apparatus 102 of this embodiment.
- the management device 102 includes an information acquisition unit 60, a determination unit 61, a notification unit 33, and a storage unit 34.
- the information acquisition unit 60 is connected to an external communication device (for example, a power provider, an apartment housing management server, or the like) via the network 103.
- the information acquisition unit 60 and the determination unit 61 are connected by a communication circuit, and the information acquisition unit 60 transmits the acquired information to the determination unit 61 via the communication circuit.
- the information acquisition unit 60 includes a discharge capacity information acquisition unit 30 and a discharge request information acquisition unit 31.
- the determination unit 61 includes a discharge amount determination unit 32.
- the discharge capacity information acquisition unit 30 acquires discharge capacity information from the power storage device 101.
- the discharge capacity information is information indicating the amount of power that can be discharged by the power storage device 101 (dischargeable amount).
- the discharge capacity information for example, the amount of power stored in the power storage device 101 or a predetermined amount of the stored amount of power can be used.
- the power storage device 101 is charged up to a maximum storage amount (SOC (State Of Charge)) of 100%, uses the amount of power according to the operating status of the load 50, and then is charged again to the maximum storage amount. It may be operated in a discharge cycle.
- the remaining discharge capacity information acquisition unit 30 may acquire the upper limit amount of power storage as a dischargeable amount.
- the remaining discharge capacity information acquisition unit 30 may acquire an amount obtained by subtracting a certain amount of power (eg, 10%, 20%) from the upper limit amount of power storage as a dischargeable amount. By leaving a certain amount of power, for example, the emergency power amount can be stored in the power storage device 101.
- the discharge capacity information acquisition unit 30 may hold the dischargeable amount of the power storage device 101 in advance. Alternatively, the remaining discharge capacity information acquisition unit 30 may acquire the dischargeable amount at a predetermined timing. Further, the remaining discharge capacity information acquisition unit 30 may monitor the power amount of the power storage device 101 as needed to acquire the dischargeable amount.
- the required discharge power information acquisition unit 31 acquires the required discharge power information indicating the amount required as the supply power from the power storage device 101 to the customer facilities 106a to 106c (discharge required power amount).
- the required discharge power information can be set for each customer facility 106. It is preferable to set the required discharge power amount within a range from 0 to a dischargeable amount or less.
- the required discharge power information in this embodiment is a predetermined amount. In the present embodiment, it is preferable to set the total amount of requested discharge energy for each customer facility so as not to exceed the maximum amount (storage battery maximum discharge amount) that can be discharged by the power storage device 101 per unit time and the dischargeable amount.
- the required discharge electric energy may be, for example, an electric energy agreed by a contract.
- the required discharge electric energy may be a fixed value, or may be a different value every certain period (weekly, day of the week, season, etc.).
- the required discharge electric energy may correspond to the magnitude of the contract fee at the time of contract.
- the required amount of electric power required for discharge may be a different value depending on the attributes of the house, office, factory, and the like and the scale thereof.
- the required discharge electric energy can be appropriately set and changed by an application for each customer facility.
- the required discharge power amount may be set by applying for the required discharge power amount every certain period (every day, every week, every day of the week, every season, etc.).
- the application may be made by the customer inputting the required discharge electric energy from the input unit 52 of the customer facility.
- a reference required discharge electric energy may be set in advance, and an increase or decrease from the reference may be set as the required discharge electric energy. For example, when the amount of power required in the short term increases, the increased amount can be reflected as the required amount of discharge power. In addition, even when the required power amount decreases due to absence in the long term, the decrease can be reflected in the required discharge power amount.
- the consumer may set the discharge required power amount to 0 and reject the power supply from the power storage device 101.
- the required discharge power information By setting and updating the required discharge power information by the consumer, it is possible to prevent uselessly large electric energy or excessively small electric energy as the required discharge electric energy.
- These operations may be automatically performed according to a predetermined setting.
- the means by which the required discharge power information acquisition unit 31 acquires the required discharge power information is not particularly limited.
- the storage unit 34 that acquires the discharge request power information holds the discharge request power information of each consumer in advance
- the discharge request power information acquisition unit 31 acquires the discharge request power amount from the storage unit 34. Also good. Or the discharge request electric power information acquisition part 31 may hold
- the required discharge power information acquisition unit 31 may acquire the required discharge power information by accessing the external device itself at a predetermined timing.
- the discharge amount determination unit 32 acquires the remaining discharge power information from the discharge remaining power information acquisition unit 30 and acquires the required discharge power information from the required discharge power information acquisition unit 31.
- the discharge amount determination unit 32 determines the amount of power (storage battery discharge amount) that the power storage device 101 discharges in a predetermined period based on the acquired discharge remaining power information and the required discharge power information. Processing for determining the storage battery discharge amount will be described later.
- the discharge amount determination unit 32 transmits the determined storage battery discharge amount to the notification unit 33.
- the period for which the storage battery discharge amount is determined is the discharge time zone.
- the discharge time period is a period excluding the charging time period, such as a period from when charging of the power storage device 101 is completed to when charging of the power storage device 101 starts.
- the discharge time zone may be set in advance.
- the discharge amount determination unit 32 determines the storage battery discharge amount so that it is 0 or more and less than or equal to the dischargeable amount and less than or equal to the maximum power amount (storage battery maximum discharge amount) that the power storage device 101 can discharge in unit time. By determining the storage battery discharge amount within the range of the discharge capacity of the power storage device 101, the determined storage battery discharge amount can be reliably discharged.
- the discharge amount determining unit 32 may determine the storage battery discharge amount to a value equal to the discharge request power amount when the total discharge request power amount of each customer facility is equal to or less than the storage battery maximum discharge amount and equal to or less than the dischargeable amount.
- the power stored in the power storage device 101 can be used effectively.
- the power system 100 supplies power to the customer facilities 106a to 106c even though the power storage device 101 has a discharge capacity.
- the power storage device 101 stores power in a time zone where the power purchase price is relatively low, or power generated using natural energy or the like, and discharges it in a time zone where the power purchase price is relatively high. It is assumed to be used in the cycle. By setting the value equal to or greater than the total amount as the storage battery discharge amount, it is possible to effectively use the cheap electric power stored.
- the notification unit 33 connects the discharge amount determination unit 32 and the network 103 by a communication circuit.
- the notification unit 33 is connected to the power storage device 101 via the network 103.
- the notification unit 33 transmits information indicating the storage battery discharge amount determined by the discharge amount determination unit 32 to the power storage device 101 via the network 103.
- the power storage device 101 that has received the information indicating the storage battery discharge amount from the notification unit 33 controls charging / discharging in accordance with the received instruction of the information indicating the storage battery discharge amount.
- the storage unit 34 stores discharge capacity information, discharge required power information, storage battery discharge amount, information set based on these, and the like.
- FIG. 3 shows a configuration in which the management device 102 includes the storage unit 34, the storage unit 34 may be on a server connected by the network 103.
- the discharge amount determination unit 32 can generate a discharge schedule in which the storage battery discharge amount is determined for each time period divided into unit times.
- the discharge amount determination unit 32 determines the storage battery discharge amount in consideration of the request for each time zone of the customer facilities 106a to 106c by generating the discharge schedule, and can perform the discharge amount control with high accuracy. For example, it is possible to reduce inconveniences such as a large amount of discharge of the storage battery during a time period when the supply request of the customer facilities 106a to 106c is small and a small amount of discharge of the storage battery during a time period when the supply request of the customer facility 106a to c is large.
- the required discharge energy may be set for each time zone divided into unit times.
- the required discharge power amount may be set to a required discharge amount of 15 minutes, 30 minutes, 1 hour, or the like.
- the discharge amount determination unit 32 may generate a discharge schedule in which a large storage battery discharge amount is determined in order from a time zone in which the total required discharge power information is large.
- the time zone with the smallest total amount of requested electric power for discharge may be set as the charging time zone and the remaining time zone may be set as the dischargeable time zone.
- the remaining discharge capacity information acquisition unit 30 acquires the remaining discharge capacity information indicating the dischargeable amount that can be supplied from the power storage device 101 to the customer facilities 106a to 106c.
- FIG. 4 (1) shows an example of discharge capacity information.
- the dischargeable amount is 100 kWh
- the storage battery maximum discharge amount is 40 kWh.
- the required discharge power information acquisition unit 31 acquires the required discharge power information indicating the amount of power requested by the consumer.
- FIG. 4 (2) shows an example of the required discharge power information of the customer facilities 106a to 106c.
- the total value of the required discharge power information for each time zone is the maximum at 12-18 o'clock, and continues at 6-12 o'clock, 0-6 o'clock, and 18-24 o'clock.
- the required discharge power information acquisition unit 31 transmits the remaining discharge power information and the required discharge power information acquired in S10 and S11 to the discharge amount determination unit 32. Note that the order of S10 and S11 may be reversed.
- the discharge amount determination unit 32 acquires the remaining discharge power information and the required discharge power information from the remaining discharge capacity information acquisition unit 30 and the required discharge power information acquisition unit 31.
- the discharge amount determination unit 32 determines the amount of power (storage battery discharge amount) that the power storage device 101 discharges in a predetermined period using the remaining discharge capacity information and the required discharge power information.
- the discharge amount determination unit 32 sets 18-24 o'clock when the discharge required power amount is minimum as the charge time zone. Then, the discharge amount determination unit 32 sets the time zones of 0-6, 6-12, and 12-18 as dischargeable time zones, and generates a discharge schedule that determines the discharge amount of the dischargeable time zones. .
- An example of the generated discharge schedule is shown in FIG.
- the discharge amount determination unit 32 determines the storage battery maximum discharge amount of 40 kWh as the storage battery discharge amount at 12-18 when the required power amount is the maximum, and determines the storage battery discharge amount at 0-6 hours and 6-12 hours as the remaining 60 kWh. Set to use up.
- the notification unit 33 transmits the storage battery discharge amount determined by the discharge amount determination unit 32 to the power storage device 101.
- the system controller 23 controls the power storage device 101 according to the acquired storage battery discharge amount.
- the power system 100 supplies power to the loads 50 of the customer facilities 106a to 106c. That is, the power storage device 101 does not discharge and does not supply power to the load 50.
- the power storage device 101 discharges to the power distribution network 105 and supplies power to the load 50. Then, the power storage device 101 holds a cumulative value of the amount of power discharged to the power distribution network 105. When the accumulated value reaches the storage battery discharge amount, the power storage device 101 stops discharging.
- the power system 100 supplies power.
- the demand amount of the customer facilities 106a to 106c is lower than the discharge amount of the storage battery, it can be controlled to supply the electric power discharged by the power storage device 101 to the power system 100.
- the charging time zone is defined as the time zone in which the total amount of power required for discharge at each customer facility is the smallest.
- a charging time zone may be set in advance so that the required discharge electric energy can be set only in a time zone other than the charging time zone.
- a threshold value may be set in advance, and a time zone in which the total amount of requested discharge power is equal to or greater than the threshold value may be set as the discharge time zone.
- the storage battery discharge amount is set to 0 in the time period when the total amount of required discharge power is less than the threshold value.
- the storage battery maximum discharge amount is set as the storage battery discharge amount.
- a larger amount of storage battery discharge can be determined in a time zone where the demand is larger.
- a time zone in which the battery discharge amount is 0 can be used as a charging time zone. Note that the threshold and the determined battery discharge amount can be changed as appropriate.
- the case has been described in which the total amount of power required for discharge in the dischargeable time zone is equal to the dischargeable amount.
- the total amount of power required for discharge in the dischargeable time zone is smaller than the dischargeable amount.
- the surplus dischargeable amount may not be discharged, or may be discharged to the power distribution network 105 in an arbitrary time zone.
- the power storage device 101 when power is supplied from the power storage device 101 to a plurality of different customer facilities 106a to 106c, the power storage device 101 can be controlled in consideration of the demand of the customer facility.
- the storage battery discharge amount is determined to be a value equal to or less than the predetermined power amount (dischargeable amount) determined based on the remaining discharge capacity information, and the power storage device 101 is discharged according to the determined storage battery discharge amount.
- load prediction information indicating a predicted value of at least one of the amount of power supplied to the customer facilities 106a to 106c and the amount of power consumed by the load 50 of the customer facilities 106a to 106c as discharge required power information. Is further used to determine the storage battery discharge amount.
- FIG. 6 is an example of a functional block diagram in the customer facility 106 in the present embodiment.
- the customer facilities 106a to 106c include a communication unit 51, an input unit 52, a load 50, and a measurement unit 53.
- the customer facilities 106a to 106c may further include a storage unit (not shown).
- the configurations of the communication unit 51, the input unit 52, and the load 50 are the same as those in the first and second embodiments.
- a function for generating a load prediction will be described.
- the load prediction information is information indicating a predicted value of at least one of the amount of power supplied to the customer facilities 106a to 106c and the amount of power consumed by the load 50 of the customer facilities 106a to 106c.
- the measuring unit 53 measures the amount of supplied power and generates load prediction information using the measured amount of supplied power.
- the amount of power supplied is the amount of power supplied to or consumed by the load 50 of the customer facility 106a-c via the power distribution network 105.
- the load prediction information may be a value as it is of the measured supply power amount. Alternatively, a certain percentage of the supplied power amount may be the load prediction information.
- each of the loads 50 of the customer facilities 106a to 106c has electric power that is always required (standby power, refrigerator, etc.) and electric power (lighting, air conditioning, etc.) that varies depending on the external environment or the operation of the customer. .
- the fluctuating power amount may be a predicted load amount by processing the supplied power amount according to the conditions (season, temperature, day of the week, at-home information) of the period to be predicted.
- the supplied power amount may be a total value for a predetermined period (every hour, every day, every week, every month, etc.). These are matters that are generally determined by the type of the measurement unit 53 provided in the consumer. By acquiring the power supply amount for each short period, it is possible to reflect the demand fluctuation of the customer in detail. By using the actual amount of supplied power, it is possible to generate load prediction information in accordance with the load usage status of each customer facility.
- the amount of power supplied and the demand prediction information need not use the amount of power measured by the measurement unit 53 of the customer facility 106a-106c.
- the communication unit 51 accesses a server that provides information (demand forecast, weather, electricity price, etc.) regarding power supply amount and demand prediction information via the network 103, and acquires and generates power supply amount and demand prediction information. May be.
- the load prediction information can be generated even when the supplied power amount cannot be acquired using the measuring unit 53.
- the measuring unit 53 is connected to the communication unit 51 by a communication circuit.
- the measurement unit 53 transmits the generated required discharge power information from the communication unit 51 to the management apparatus 102 via the network 103.
- the measurement unit 53 may transmit only the supplied power amount.
- the load prediction information may be generated by a load prediction information generation unit (not shown) provided on the network 103 and transmitted to the management apparatus 102 as required discharge power information.
- FIG. 3 An example of a functional block diagram of the management apparatus 102 in this embodiment is shown in FIG. 3 as in the first embodiment.
- the process in which the discharge amount determination part 32 determines the storage battery discharge amount is demonstrated. Note that points common to the first embodiment are omitted as appropriate.
- the discharge required power information acquisition unit 31 further acquires load prediction information.
- the required discharge power information acquisition unit 31 may use the load prediction information transmitted by the measurement unit 53 of the customer facility 106a to 106c as the discharge request information as it is.
- the required discharge power information acquisition unit 31 may use a certain percentage of the required power amount obtained in advance with the load prediction information as the required discharge power amount.
- the required discharge power information acquisition unit 31 may use the amount of power defined as the amount of power that fluctuates in the load prediction information as the required discharge power amount.
- the discharge amount determination unit 32 determines the storage battery discharge amount using the remaining discharge power information and the required discharge power information based on the load prediction information.
- the storage battery discharge amount can be determined using the required discharge power information based on the load prediction information. According to the present embodiment, since load prediction information is taken into consideration, it is possible to determine a value close to the amount of power actually used in the customer facility 106a to 106c as the storage battery discharge amount during the period. Therefore, the storage battery discharge amount of the power storage device 101 is large during a time period when the power demand of the customer facility 106a-c is low, and the storage battery discharge amount of the power storage device 101 is small during the time period when the power demand of the customer facility 106a-c is large. Such inconvenience can be reduced.
- segmented for every unit time can be produced
- the total value of the required amount of electric power required for the actual customer facilities 106a to 106c may be larger than the dischargeable amount and the maximum discharge amount of the storage battery.
- the discharge amount determination unit 32 determines the storage battery discharge amount so as not to exceed the dischargeable amount and the storage battery discharge amount based on the remaining discharge capacity information and the required discharge power information.
- the management device 102 in the present embodiment sets the amount of power (allocated power amount) that can be virtually supplied from the power storage device 101 to each of the customer facilities 106a to 106c based on the storage battery discharge amount and the required discharge power information. .
- FIG. 7 shows an example of a functional block diagram of the management apparatus 102 of the present embodiment.
- the management device 102 includes an information acquisition unit 60, a determination unit 61, a notification unit 33, and a storage unit 34.
- the information acquisition unit 60 includes a remaining discharge capacity information acquisition unit 30 and a required discharge power information acquisition unit 31.
- the determination unit 61 includes a discharge amount determination unit 32 and an allocation amount determination unit 35.
- the configurations of the information acquisition unit 60, the discharge amount determination unit 32, the notification unit 33, and the storage unit 34 are the same as those in the first and second embodiments.
- the discharge capacity information acquisition unit 30 acquires discharge capacity information (S20). An example of the acquired discharge capacity information is shown in FIG.
- the required discharge power information acquisition unit 31 acquires required discharge power information (S21). An example of the acquired required discharge power information is shown in FIG.
- the required discharge power information acquisition unit 31 transmits the remaining discharge capacity information and the required discharge power information to the discharge amount determination unit 32.
- the discharge amount determination unit 32 determines the storage battery discharge amount based on the acquired remaining discharge capacity information and the required discharge power information (S22).
- the discharge amount determination unit 32 can determine the storage battery discharge amount proportional to the required discharge power amount for each time period and generate a discharge schedule.
- FIG. 9 (1) shows an example of the storage battery discharge amount determined by the discharge amount determination unit 32 based on the remaining discharge capacity information of FIG. 4 (1) and the required discharge power information of FIG. 4 (2).
- FIG. 9A is an example of a discharge schedule in which the storage battery discharge amount for each time zone is determined. Assuming that the dischargeable amount is 100 kWh, the total required discharge power amount is 125 kWh, and the total required discharge power amount at 12-18 hours is 40 kWh, the discharge amount determination unit 32 determines the storage battery discharge amount at 12-18 hours as follows: It can be determined as follows. The discharge amount determination unit 32 determines the discharge amount of the storage battery in the same manner in other time zones.
- the notification unit 33 transmits the storage battery discharge amount determined by the discharge amount determination unit 32 to the power storage device 101 (S23).
- the system controller 23 that has acquired the storage battery discharge amount controls the power storage device 101 in accordance with the storage battery discharge amount.
- the discharge amount determination unit 32 transmits the storage battery discharge amount and the required discharge power amount to the allocation amount determination unit 35.
- the allocated amount determining unit 35 determines the amount of power (allocated power amount) that can be virtually supplied to each customer facility based on the acquired storage battery discharge amount and the required discharge power information (S24).
- the allocation amount determination unit 35 allocates the required discharge power amount of each customer facility 106a to 106c to each customer facility 106a to 106c when the sum of the required discharge power amount of the customer facility 106a to 106c is equal to or less than the storage battery discharge amount. It is good also as electric energy.
- the allocated amount determining unit 35 sends the acquired storage battery discharge amount to each of the customer facilities 106a to 106c based on the requested discharge power information.
- the allocation and the allocated power amount may be determined. For example, the ratio of the required discharge power information between the customer facilities during the period when the storage battery discharge amount is determined is calculated. Of the storage battery discharge amount in the period, the calculated proportion of each customer facility can be determined as the allocated power amount of each customer facility.
- FIG. 4 (2) and FIG. 9 (2) An example of processing for determining the allocated power amount of each customer facility 106a to 106c will be described using FIG. 4 (2) and FIG. 9 (2).
- the storage battery discharge amount at 12-18 o'clock is 32 kWh
- the required discharge power amounts of the customer facilities 106a, 106b, 106c are 15 kWh, 15 kWh, and 10 kWh, respectively.
- the allocated amount determination unit 35 calculates the allocated power amount of the customer facility 106a using the following equation.
- the allocated amount determination unit 35 can also determine the allocated power amounts of other time zones and customer facilities 106b and 106c in the same manner.
- An example of the allocated power amount of the determined customer facilities 106a, 106b, 106c is shown in FIG. 9 (2).
- the allocation amount determination unit 35 may use a value obtained by equally dividing the storage battery discharge amount by the number of customer facilities as the allocated power amount of each of the customer facilities 106a to 106c. By equally dividing the number of customer facilities, it is possible to set an allocated power amount equal to the customer facilities 106a to 106c. It should be noted that the customer facility whose discharge required power amount is 0 does not have to be included in the number to be equally divided.
- the allocated amount determination unit 35 determines the allocated power amount, the processing of the management apparatus 102 ends.
- the allocated amount determination unit 35 transmits the determined allocated power amount to the storage unit 34.
- maintains the allocated electric energy.
- the notification unit 33 can notify the customer facilities 106 a to 106 c of information regarding the allocated power amount via the network 103. For example, it is possible to notify the consumer of the period during which the allocated power amount is determined and the allocated power amount.
- the customer facility 106a-c that has received the information indicating the allocated power amount can notify the amount of power that can be used by the customer by outputting information on the allocated power amount to the output unit of the customer facility 106a-c. it can.
- the measuring unit 53 and the electronic equipment (not shown) included in the customer facilities 106a to 106c can compare the amount of power supplied to the customer facility with the amount of allocated power obtained from the management device 102.
- the notification unit 33 may notify the customer when the difference between the supplied power amount and the allocated power amount exceeds a threshold value.
- the customer who has received the notification can reflect the notification in the power saving and the operation plan of the load 50.
- the threshold can be appropriately set by the consumer.
- the process of determining the storage battery discharge amount and the process of determining the allocated power amount were performed continuously. However, these processes may be performed individually. For example, the storage battery discharge amount may be determined every time the discharge period ends, and the allocated power amount may be determined every certain period (every week, every month).
- the amount of power (allocated power amount) that can be virtually supplied from the power storage device 101 to each customer facility is set based on the required discharge power information and the storage battery discharge amount. For this reason, even when the total amount of requested discharge power and the actual storage battery discharge amount are different, the allocated power amount can be appropriately determined.
- a value obtained by equally dividing the number of customer facilities having a discharge required power amount larger than 0 can be set as the allocated power amount. According to the present embodiment as described above, it is possible to reduce an inconvenience of setting an allocated power amount for a consumer who does not require power supply from the storage battery and setting a small allocated power amount for a consumer who has requested the power supply from the storage battery. can do.
- the notification unit 33 can output the allocated power amount determined to the output units (not shown) of the customer facilities 106a to 106c and notify the customer of the allocated power amount.
- the consumer can use the acquired allocated power amount for a load usage plan such as a power saving target of the customer facilities 106a to 106c and an operation schedule of the load 50.
- the notification unit 33 uses the determined allocated power amount and the power actually supplied from the power distribution network 105 to the customer facilities 106a to 106c (or the power consumed by the customer facilities 106a to 106c).
- the supplied power amount is compared.
- the consumer can be notified that the threshold value has been exceeded.
- the consumer can confirm the difference between the supplied power amount and the allocated power amount.
- the management apparatus 102 determines the storage battery discharge amount by further using the priority order assigned to the customer facilities 106a to 106c. Furthermore, the management apparatus 102 determines the allocated power amount using the priority order.
- FIG. 10 shows an example of a functional block diagram of the management apparatus 102 in the present embodiment.
- the information acquisition unit 60 is different from the first to third embodiments in that the information acquisition unit 60 includes the priority order information acquisition unit 36.
- the priority order information acquisition unit 36 includes the allocation amount determination unit 35. Only parts different from the first to third embodiments will be described, and common parts will be omitted as appropriate.
- the priority information acquisition unit 36 acquires priority information indicating the priority of the customer facilities 106a to 106c.
- the priority is information indicating the priority of the required discharge power information between customer facilities. For example, a relatively high demand customer facility may have a higher priority.
- each customer presents conditions such as a usage fee (kWh / yen) of the power storage device 101 and a usage time zone, and gives the highest priority to the customer facility of the customer who showed the most advantageous conditions. You may attach.
- a different priority may be given to all the customer facilities, or a priority may be given to each group formed by a plurality of customer facilities (for example, customer facilities owned by the same customer). .
- the priority order may always be the same order, or may be a different priority order for each time zone divided by unit time.
- the means by which the priority order information acquisition unit 36 acquires the priority order is not particularly limited.
- the storage unit 34 holds the priority order information in advance. Then, the priority order information acquisition unit 36 may acquire the priority order from the storage unit 34.
- the priority order information acquisition unit 36 may hold in advance address information of an external device (for example, a management server for an apartment house). The priority order information acquisition unit 36 may acquire the priority order by accessing the external device at a predetermined timing.
- the discharge capacity information acquisition unit 30 acquires discharge capacity information (S30). An example of the acquired discharge capacity information is shown in FIG.
- the required discharge power information acquisition unit 31 acquires the required discharge power information (S31). An example of the acquired required discharge power information is shown in FIG.
- the priority order information acquisition unit 36 acquires priority order information (S32). An example of the acquired priority information is shown in FIG. Here, high priority is given to the order of the customer facilities 106a, 106b, and 106c.
- the discharge amount determination unit 32 determines the storage battery discharge amount based on the remaining discharge power information, the required discharge power information, and the priority information (S33). The discharge amount determination unit 32 can determine the storage battery discharge amount in consideration of the required discharge power amount of the customer facilities 106a to 106c having a high priority.
- FIG. 12 (2) shows an example of the discharge schedule determined based on FIGS. 4 (1), 4 (2), and 12 (1).
- the required discharge electric energy in each time zone of the customer facility 106a with the highest priority is 10 kWh, 10 kWh, 15 kWh, and 5 kWh, respectively.
- the total required discharge electric energy is equal to or less than the dischargeable amount, and the required discharge electric energy for each time period is equal to or less than the maximum discharge amount of the storage battery. For this reason, the amount of electric power required for discharging the customer facility 106a is determined as the amount of discharge of the storage battery.
- the storage battery discharge amount determined here is 40 kWh, and a dischargeable amount of 60 kWh remains. Accordingly, the discharge amount determination unit 32 also adds the required discharge power amount 45 kWh of the customer facility 106b with the second highest priority as the storage battery discharge amount. Further, the discharge amount determination unit 32 distributes 15 kWh, which is a surplus as a dischargeable amount, to an arbitrary time zone.
- the storage battery discharge amount determined at 12-18 o'clock, when the sum of the required discharge energy amounts of the customer facilities 106a and 106b is the largest, is 30 kWh. Add.
- the discharge amount determination unit 32 further sets the remaining 5 kWh as the storage battery discharge amount at 6-12 o'clock during the time period before and after 12-18 o'clock, at which the requested amount of power for the customer facilities 106a and 106b is large, and the discharge schedule To decide.
- a large storage battery discharge amount can be set in a time zone in which the required discharge power amount is large. Furthermore, a large storage battery discharge amount can be set in a time zone where there is a high possibility of using power by allocating the surplus to time zones before and after the time zone in which the required discharge power amount is maximum.
- the distribution method of the surplus dischargeable amount is not limited to this.
- the discharge amount determination unit 32 uses the remaining power amount for the consumer facility that uses the remaining power amount to determine the required discharge amount.
- the discharge amount determination unit 32 may equally divide the surplus power amount by the number of dischargeable time zones, and distribute the divided power amount to each dischargeable time zone.
- the discharge amount determination part 32 is the discharge request
- a ratio of the amounts may be calculated, and the surplus power amount may be distributed according to the calculated ratio.
- the surplus electric power may be stored without being discharged.
- the notification unit 33 transmits the determined storage battery discharge amount to the power storage device 101 (S34).
- the system controller 23 that has acquired the storage battery discharge amount controls the power storage device 101 in accordance with the acquired storage battery discharge amount.
- the allocated power amount determination unit 35 compares the determined storage battery discharge amount with the total value of the required discharge power amount for the period, and determines the allocated power amount of each customer facility.
- the allocated power amount determination unit 35 uses the required discharge power amount of each customer facility 106a-c as the allocated power amount of each customer facility 106a-c. May be determined as
- the allocated amount determination unit 35 determines the allocated power amount based on the storage battery discharge amount, the discharge required power information, and the priority order information when the storage battery discharge amount is less than the total value of the discharge required power amount for the period. it can.
- the allocated amount determination unit 35 may determine the allocated power amount in preference to consumers with higher priorities.
- An example of the allocated power amount determined in FIG. Assume that the storage battery discharge in the 12-18 hour time zone is 40 kWh. Assume that the demanded electric energy of the customer facilities 106a, 106b, and 106c is 15 kWh, 15 kWh, and 10 kWh, respectively. In this case, the customer facilities 106a and 106b use the requested discharge electric energy as the allocated electric energy. The remaining 5 kWh is set as the allocated power amount of the customer facility 106c. Similarly, the allocated power amount is determined in other time zones.
- the allocated amount determination unit 35 transmits the determined allocated power amount to the storage unit 34.
- the storage unit 34 can hold the allocated power amount.
- the notification unit 33 can also transmit the allocated power amount to the customer facility 106, an external server, or the like via the network 103.
- the customer facility 106 that has received the information indicating the allocated power amount can notify the amount of power that can be used by the customer by outputting the allocated power amount to the output units of the customer facilities 106a to 106c.
- the determination of the allocated power amount in the case where each customer facility has a different priority is described.
- the method by which the allocation amount determination unit 35 determines the allocated power amount is not limited to this.
- the allocated power amount for each group may be determined, and the allocated power amounts of the customer facilities in the group may all be determined to be equal.
- the battery is discharged from the storage battery during a period in which the required discharge power amount is set high, and the discharge of the storage battery is suppressed during the period in which the low discharge request power amount is set. it can. For this reason, the electric power discharged from the storage battery can be used effectively.
- a priority can be given to a consumer and the amount of allocated power can be determined in preference to a consumer facility with a high priority.
- the allocated power amount that reflects the degree of demand for power supply from the power storage device 101 to the customer facilities 106a to 106c, such as a large demand and an advantageous contract.
- the allocated power amount indicating the power amount that can be virtually supplied to each customer facility is determined.
- the disadvantage is that it cannot be specified whether the power supplied to the customer facilities 106a to 106c is the power discharged from the power storage device 101 or the power supplied from the power system 100.
- the amount of power (deemed amount) that each customer facility 106a to 106c considers to be supplied from the power storage device 101 is determined using the allocated power amount.
- FIG. 13 shows an example of a functional block diagram of the management apparatus 102 in the present embodiment.
- the management apparatus 102 in the present embodiment further includes a deemed amount information acquisition unit 39 and a deemed amount determination unit 40.
- the configurations of the remaining discharge power information acquisition unit 30, the required discharge power information acquisition unit 31, the discharge amount determination unit 32, the allocation amount determination unit 35, and the notification unit 33 are the same as those in the first to fourth embodiments.
- a function for determining the deemed amount will be described, and functions common to the first to fourth embodiments will be appropriately omitted.
- the deemed amount information acquisition unit 39 acquires the allocated power amount of each customer facility 106a-c as the deemed amount information. Further, the deemed amount information acquisition unit 39 preferably acquires the power supply information of each customer facility 106a-c.
- the power supply information is information indicating a power supply amount indicating at least one of the power amounts supplied from the power distribution network 105 to the load 50 of the customer facility 106a to 106c and consumed by the load 50 in a certain period.
- the method by which the deemed amount information acquisition unit 39 acquires the deemed amount information is not particularly limited.
- the storage unit 34 holds the deemed amount information in advance. Then, the deemed amount information acquisition unit 39 may acquire the deemed amount information from the storage unit 34.
- the deemed amount information acquisition unit 39 may hold in advance address information of an external device (for example, a management server for an apartment house). The deemed amount information acquisition unit 39 may acquire the deemed amount information by accessing the external device at a predetermined timing.
- the deemed amount determination unit 40 determines the deemed amount based at least on the allocated power amount. Furthermore, it is more preferable that the deemed amount information acquisition unit 39 uses supply power information. The deemed amount information acquisition unit 39 compares the allocated power amount with the supplied power amount by acquiring the supplied power information, and can determine a small value as the deemed amount. The deemed amount information acquisition unit 39 can determine the amount of power actually used in the customer facilities 106a to 106c or the amount of supplied power as the deemed amount. For this reason, the amount of power that is not actually used is also converted into the amount of power used, and the inconvenience that the customer bears the corresponding cost can be reduced.
- the deemed amount information acquisition unit 39 acquires the allocated power amount as the deemed amount information (S40). Further, the deemed amount information acquisition unit 39 may acquire the supplied power amount.
- the deemed amount determination unit 40 determines the deemed amount based on the deemed amount information acquired by the deemed amount information acquisition unit 39.
- FIG. 15 shows an example of the deemed amount information acquired.
- FIG. 15 shows an example in which the allocated power amount and the supplied power amount are acquired as the amount information of the customer facility 106a.
- the deemed amount determining unit 40 determines the allocated power amount of each of the customer facilities 106a to 106c for each customer in the period. It is determined as the amount of only facilities (S43).
- the deemed amount determining unit 40 compares the allocated power amount with the supplied power amount (S42). When the allocated power amount is smaller than the supplied power amount, the deemed amount determining unit 40 may set the allocated power amount as the amount of only the customer facility (S43). In FIG. 15, since the allocated power amount of the customer facility 106a at 6-12 o'clock is 10 kWh and the supplied power amount is 15 kWh, it is possible to determine the remaining amount of the customer facility 106a as 10 kWh.
- the deemed amount determination unit 40 sets the amount of supplied power to the amount of only the customer facility when the allocated amount of power is equal to or greater than the amount of supplied power (S45). In FIG. 15, since the allocated power amount of the customer facility 106a at 12-18 hours is 15 kWh and the supplied power amount is 10 kWh, only the customer facility 106a is determined to be 10 kWh.
- the deemed amount determination unit 40 transmits the determined deemed amount to the notification unit 33, and ends the processing of the management apparatus 102.
- the notification unit 33 transmits the deemed amount to the storage unit 34, the measuring instrument 53 of the customer facility 106, a server connected to the network 103, and the like.
- the notification unit 33 may display the deemed amount on the output unit of the customer facility 106a to 106c to notify the consumer of the deemed amount.
- the present embodiment it is possible to determine the amount of electric power (deemed amount) that the consumer considers to be supplied from the power storage device 101. According to such an embodiment, even if it is not possible to specify whether the power supplied to the customer facilities 106a to 106c is the power discharged from the power storage device 101 or the power supplied from the power system 100, each customer facility The amount of power that is considered to be supplied from the power storage device 101 can be determined. As a result, when sharing the costs related to the purchase, installation, and maintenance of the power storage device 101 between the consumers, each customer can determine the cost to be shared based on the deemed amount.
- the allocated power amount can be set as a deemed amount. According to such an embodiment, since the allocated power amount is specified as the deemed amount, the deemed amount can be calculated before the power supply to the consumer facilities 106a to 106c is started. Therefore, it is possible to grasp in advance the costs related to the use of the power storage devices 101 of the consumers 106a to 106c based on the deemed amount. [Sixth Embodiment] Depending on the period for setting the required discharge power amount and the required discharge power amount of each customer facility 106a-c, it is obtained by receiving the power supply from the allocated power amount for each customer facility 106a-c or the power storage device 101. It is expected that there will be a big difference in profit.
- the priority order of the customer facilities 106a to 106c is set so that the difference between the usage status of the power storage device 101 or the profit obtained by receiving power supply between the customer facilities 106a to 106c is reduced.
- Update After the priority order is updated, the discharge amount determining unit 32 and the allocated amount determining unit 35 can determine the storage battery discharge amount and the allocated power amount using the updated priority order.
- FIG. 16 shows an example of a functional block diagram of the management apparatus 102 in the present embodiment.
- the information acquisition unit 60 of the management apparatus 102 further includes a priority update information acquisition unit 37
- the determination unit further includes a priority update unit 38.
- the configurations of the remaining discharge power information acquisition unit 30, the required discharge power information acquisition unit 31, the discharge amount determination unit 32, the allocation amount determination unit 35, and the notification unit 33 are the same as those in the first to fifth embodiments.
- the function of updating the priority order will be described, and the functions common to the first to fifth embodiments will be omitted as appropriate.
- the priority update information acquisition unit 37 acquires priority update information for updating the priority of each customer facility.
- the priority order update information a history of allocated power amount, a history of supplied power amount, a history of deemed amount, an electricity bill paid by each consumer, privilege information, and the like can be used.
- the privilege information may indicate, for example, that a predetermined privilege is obtained when the amount of power supplied from the power system 100 in a certain time zone is less than a predetermined value.
- Priority level update information acquisition method is not particularly limited.
- the storage unit 34 holds in advance an allocated power amount, a deemed amount, priority order information, and the like. Then, the priority order update information acquisition unit 37 acquires priority order update information from the storage unit 34.
- the priority order update information acquisition unit 37 may hold in advance address information of an external device (eg, a power supplier's server).
- the priority update information acquisition unit 37 may acquire the priority update information by accessing the external device by itself at a predetermined timing.
- the priority order update information acquisition unit 37 transmits the priority order update information at a predetermined timing (every day, every week, every month) from the communication unit 51 of the customer facility 106a-c.
- an external device may be requested.
- the priority update unit 38 updates the priority based on the priority update information. For example, the priority order update unit 38 may update the priority order so that the difference in usage status of the customer facilities 106a to 106c that receive power supply from the power storage device 101 is reduced. Alternatively, the priority order update unit 38 groups the customer facilities 106a to 106c according to the attributes and scales of houses, offices, factories, etc., and sets the priorities so that the usage status among the customer facilities 106 in the same group becomes equal. It may be updated.
- the priority order updating unit 38 may also update the priority order so that the total value of the allocated power amount or the deemed amount of each customer facility 106a to 106c for a certain period is equal or the difference between the total values is equal to or less than the reference value. Good. For example, the priority order update unit 38 assigns a high priority order to a customer facility that has a relatively small total amount of allocated power or deemed amount in the period before the update. Thereby, the priority order update unit 38 makes the total value of the allocated power amount for each customer facility close to the same value in a certain period. When a difference occurs in the total value, the priority order update unit 38 causes the difference to be equal to or less than the reference value. For example, the reference value may be 10% or 5% of the maximum value of the total value of customer facilities during a certain period.
- the priority update information acquisition unit 37 acquires the allocated power amounts of the customer facilities 106a to 106c in the period before the update as the priority update information.
- FIG. 12 (3) shows an example of the allocated power amount of the customer facilities 106a to 106c in the period before the update.
- the priority order update unit 38 can assign a higher priority in order of the customer facility 106c, the customer facility 106a, and the customer facility 106b with a small allocated power amount.
- the priority order update unit 38 may further use the electricity rate information and privilege information to update the priority order so that the profits obtained by receiving power supply from the power storage device 101 for a certain period become equal. Good.
- the profit is, for example, an electricity bill saved by receiving power supply from the power storage device 101, an acquired privilege, or the like.
- the priority order updating unit 38 may calculate the profit using Expression (1) and update the priority order so that the calculated profits are equal.
- FIG. 12 (3) is an example of the allocated power amount for the period before the update.
- the electricity rate is 50 yen / kWh in the time zone from 0-12 o'clock and 100 yen / kWh in the time zone from 12-24 o'clock, and the power storage device 101 stores 50 yen / kWh electric power.
- the profit obtained by the customer facility 106a can be calculated as follows.
- the profits of the customer facilities 106b and 106c can be calculated as 1250 and 500, respectively.
- the priority order update unit 38 assigns a higher priority order to the customer facility 106c, the customer facility 106a, and the customer facility 106b with a lower profit.
- the power price required for charging the power storage device 101 is set to zero.
- the privilege is also added as a profit.
- the priority order update unit 38 may transmit the updated priority order to the storage unit 34, and the storage unit 34 may hold the priority order.
- the notification unit 33 may transmit the updated priority order to an external server or customer facility 106a to 106c via the network 103.
- the notification unit 33 may notify the consumers of the priority order by causing the output units included in the customer facilities 106a to 106c to output the updated priority order.
- the updated priority order can be used as the discharge required power information.
- the timing for updating the priority order is not particularly limited.
- the discharge request power information acquisition unit 31 may request the priority update unit 38 to update the priority when acquiring the discharge request power information.
- the required discharge power information acquisition unit 31 may update the priority order at a predetermined timing (every day, every week, etc.) and store it in the storage unit 34 as the required discharge power information.
- the priority order can be updated so that the allocated power amount of the power storage device 101 in each of the customer facilities 106a to 106c approaches an equal value in a certain period.
- a certain consumer can constantly use the power supplied from the power storage device 101, and the other consumer cannot use the power supplied from the power storage device 101 and purchases the power supplied from the power system 100. Inconvenience can be reduced.
- the priority order can be updated so that the profits obtained by assigning the storage battery discharge amount of the power storage device 101 become equal.
- operation is performed in a cycle in which electric power with a low power price (in-house power generation such as late-night power and natural energy) is stored in the power storage device and discharged from the power storage device during a high power price period (demand peak, daytime, etc.). It is assumed that For this reason, there exists a tendency for a high profit to be acquired, so that it uses according to this cycle.
- the priority order can be updated so that the benefits of power reduction, benefits, etc. are equalized by receiving power supply from the power storage device 101.
- At least one of the power generation device and the second power storage device 101 is connected to the power distribution network 105, and the power generation indicates a predicted value of the amount of power supplied by at least one of the power generation device and the second power storage device 101.
- the storage battery discharge amount is determined by further using the amount prediction information.
- FIG. 17 shows an example of a functional block diagram of the management apparatus 102 in the present embodiment.
- the management device 102 includes a remaining discharge capacity information acquisition unit 30, a required discharge power information acquisition unit 31, a power generation prediction information acquisition unit 41, a discharge amount determination unit 32, an allocation information determination unit 35, and a notification.
- Unit 33 and storage unit 34 The configurations of the notification unit 33 and the storage unit 34 are the same as those in the first to fifth embodiments. Hereinafter, functions different from the first to sixth embodiments will be described.
- the power generation prediction information acquisition unit 41 is a power supply source that is different from the power system 100, and a power generation device (not shown) and a second power storage device (not shown) that supply power to the load 50 or the power storage device 101 of the customer facility 106. ) Is obtained.
- the second power storage device is a power storage device (for example, a portable storage battery, an electric vehicle, or the like) that is a moving body and can receive power supply from other than the power distribution network 105.
- the means for predicting the power generation amount is not particularly limited.
- the power generation amount may be predicted using information such as a weather forecast.
- the dischargeable amount of the second power storage device may be used as the power generation amount.
- the owner of the power generation device or the second power storage device can permit or refuse to supply the customer facility 106a-c with the power generated by the power generation device or the power charged in the second power storage device.
- the availability of supply can be changed for each time zone or for each customer facility 106a-c. Further, the owner may set whether or not to supply a certain percentage of the generated power of the power generation device or the power charged in the second power storage device.
- shareability information Information indicating permission or refusal of supply (referred to as shareability information) is input from the input unit of the power generation device or the second power storage device, and is stored in the storage unit 34 of the management device 102.
- the discharge required power information acquisition unit 31 may acquire from the storage unit 34 sharability information indicating whether or not the power supplied by the power generation device and the second power storage device can be shared at the customer facility 106.
- the discharge amount determination unit 32 further uses the power generation prediction information to determine the storage battery discharge amount.
- the discharge amount determination unit 32 determines the storage battery discharge amount
- the horizontal axis indicates time
- the vertical axis indicates the amount of power (Wh) discharged by the power storage device 101.
- the dotted line indicates the predicted power generation amount of the power generation device and the second power storage device.
- power generation is possible from 10 to 15 o'clock.
- the discharge amount determination unit 32 determines the storage battery discharge amount based on the power generation prediction information, the remaining discharge capacity information, and the required discharge power information. When the predicted power generation amount for each time zone is indicated, a discharge schedule in which the storage battery discharge amount for each time zone divided every unit time may be generated.
- Fig. 18 (2) shows an example of the determined discharge schedule.
- the time zone of 10-15 o'clock when it is predicted that power generation is possible is the amount of power that can be supplied to the power distribution network 105 by adding the storage battery discharge amount and the predicted power generation amount.
- the sum of the storage battery discharge amount and the predicted power generation amount is larger than the sum of the discharge required power amount in the period, the difference can be supplied to the power system 100.
- Fig. 18 (3) shows another example.
- the storage battery discharge amount can be set to zero. During this time period, the power storage device 101 is not discharged.
- the power generation device and the second power storage device supply power to the load 50.
- the discharge amount determination unit 32 prioritizes power supply from the power generation device and the second power storage device to the load 50. The amount may be determined.
- the discharge amount determination unit 32 may determine the storage battery discharge amount without including the predicted power generation amount in the discharge capacity information. If the price (power selling price) at which the generated power is provided to the power grid 100 is higher than the price (power purchase price) of power supplied by the power supplier during the time period, the generated power is used as the power grid 100. Can be supplied (sold electricity). The reward obtained by supplying the power system 100 can be distributed to the customer facilities 106a to 106c. As another example, the predicted power generation amount can be supplied to the power storage device 101 and stored. After the end of power storage, the dischargeable amount can be acquired again and the storage battery discharge amount can be determined.
- the allocated amount determination unit 35 determines the allocated power amount based on the required discharge power information.
- the allocated power amount is determined for the power amount supplied from the power generation device 107 and the second power storage device in the same manner as the storage battery discharge amount.
- the case where the power supplied by the power generation device and the second power storage device can be shared is a case where the shareability information acquired by the discharge request power information acquisition unit 31 indicates sharing permission.
- the amount of power supplied by the power generation device and the second power storage device is determined as the allocated power amount of the occupied customer facilities 106a to 106c.
- the case where the power supplied from the power generation device and the second power storage device is not sharable is a case where the sharability information acquired by the discharge request power information acquiring unit 31 indicates refusal of sharing.
- an appropriate storage battery discharge amount is determined in consideration of the power generation amounts of the power generation device and the second power storage device. be able to.
- the power generated by the power generation device and the second power storage device is supplied to the power system 100 based on the magnitude relationship between the power purchase price and the power sale price, or the power storage device 101 or the load 50 is supplied. You can decide what to supply.
- the discharge amount determination unit 32 may determine the discharge schedule so that the generated power is preferentially used. As a result, the generated power can be used effectively.
- the required power amount can be determined based on the shareability information of the power generation device and the second power storage device. For example, a consumer with an electric vehicle can occupy the amount of electricity stored for the electric vehicle.
- the second power storage device is charged at a power price lower than the power price of the power supplied by the power system 100 connected to the power distribution network 105, the following inconvenience can be reduced.
- the disadvantage is that a consumer having the second power storage device is considered to have purchased power from a power supplier with a high power purchase price.
- FIG. 20 is a diagram illustrating an example of a functional block diagram of the management apparatus 102 having the minimum configuration according to the present embodiment.
- the management device 102 includes a remaining discharge capacity information acquisition unit 80, a required discharge power information acquisition unit 81, and a discharge amount determination unit 82.
- the discharge capacity information acquisition unit 80 acquires discharge capacity information indicating the amount of power that can be discharged by the power storage device 101 connected to the plurality of customer facilities 106.
- the required discharge power information acquisition unit 81 acquires required discharge power information indicating the required discharge power amount, which is required as power supplied from the power storage device 101 to each of the plurality of customer facilities 106.
- the discharge amount determination unit 82 determines the storage battery discharge amount indicating the amount of power discharged by the power storage device 101 based on the discharge remaining power information and the required discharge power information.
- FIG. 21 is a block diagram illustrating a hardware configuration of a computer that realizes the management apparatus 102 according to the present embodiment.
- the computer 700 includes a processor 701, a storage unit 702, a storage device 703, an input unit 704, an output unit 705, and a communication unit 706. Furthermore, the computer 700 includes a recording medium (or storage medium) 707 supplied from the outside.
- the recording medium 707 is a non-volatile recording medium (non-temporary recording medium) that stores information non-temporarily.
- the recording medium 707 may be a temporary recording medium that holds information as a signal.
- the processor 701 controls the overall operation of the computer 700 by operating an operating system (not shown). For example, the processor 701 reads the program and data from the recording medium 707 loaded in the storage device 703 and writes the read program and data to the storage unit 702.
- the program is a program for causing the computer 700 to execute the operation of the flowchart shown in FIG. 5, for example.
- the processor 701 performs various processes as a remaining discharge capacity information acquisition unit 80, a required discharge power information acquisition unit 81, and a discharge amount determination unit 82 shown in FIG. 20 according to the read program and based on the read data. Execute.
- processor 701 may download the program and its data to the storage unit 702 from an external computer (not shown) connected to a communication network (not shown).
- the storage unit 702 stores the program and data.
- storage part 702 may memorize
- a part of the storage unit 702 may be included as a part of the discharge remaining power information acquisition unit 80, the required discharge power information acquisition unit 81, and the discharge amount determination unit 82, for example, as the storage unit 34 illustrated in FIG.
- the storage device 703 is, for example, an optical disk, a flexible disk, a magnetic optical disk, an external hard disk semiconductor memory, or the like.
- the storage device 703 stores the program in a computer-readable manner.
- storage device 703 may memorize
- a part of the storage device 703 may be included as, for example, the storage unit 34 shown in FIG. 3 as a part of the discharge remaining power information acquisition unit 80, the required discharge power information acquisition unit 81, and the discharge amount determination unit 82.
- the input unit 704 receives an operation input by an operator and an input of information from the outside.
- Devices used for the input operation are, for example, a mouse, a keyboard, a built-in key button, and a touch panel.
- the input unit 704 may be included as a part of the remaining discharge capacity information acquisition unit 80, the required discharge power information acquisition unit 81, and the discharge amount determination unit 82.
- the output unit 705 is realized by a display, for example.
- the output unit 705 is used, for example, for an input request to an operator by GUI (GRAPHICAL User Interface), an output presentation to the operator, or the like.
- GUI GRAINICAL User Interface
- the output unit 705 may be included as a part of the remaining discharge capacity information acquisition unit 80, the required discharge power information acquisition unit 81, and the discharge amount determination unit 82.
- the communication unit 706 implements an interface with an external device (for example, the power storage device 101 or the customer facility 106).
- the communication unit 706 may be included as a part of the remaining discharge capacity information acquisition unit 80, the required discharge power information acquisition unit 81, and the discharge amount determination unit 82.
- each component of the functional unit of the management procedure 102 shown in FIG. 20 is realized by the computer 700 having the hardware configuration shown in FIG.
- the means for realizing each unit included in the computer 700 is not limited to the above.
- the computer 700 may be realized by one physically coupled device, or may be realized by two or more physically separated devices connected by wire or wirelessly and by a plurality of these devices. .
- the processor 701 may read and execute the program code stored in the recording medium 707.
- the processor 701 may store the code of the program stored in the recording medium 707 in the storage unit 702, the storage device 703, or both. That is, the present embodiment includes an embodiment of the recording medium 707 that stores the program (software) executed by the computer 700 (processor 701) temporarily or non-temporarily.
- a recording medium that stores information non-temporarily is also called a non-volatile recording medium.
- the management device 102 is connected to the power storage device 101 via a network 103 such as the Internet or a LAN (Local Area Network).
- the management device 102 communicates with the power storage device 101 to transmit and receive information, and controls the power storage device 101.
- the power storage device 101 charges and discharges power according to the control of the management device 102.
- FIG. 19 shows an example of a functional block diagram of the power storage device 101.
- the power storage device 101 includes a battery pack 20, a BMU (Battery Management Unit) 21, a power conditioner (PCS, Power Conditioning System) 22, and a system controller 23.
- BMU Battery Management Unit
- PCS Power Conditioning System
- the battery pack 20 includes a secondary battery capable of storing and releasing electric power, such as a lithium ion secondary battery, a nickel cadmium battery, a nickel metal hydride battery, and a lead storage battery.
- the battery pack 20 may be configured by one storage battery, or may be configured by connecting a plurality of storage batteries in series and / or in parallel according to a required output voltage.
- the BMU 21 protects the battery pack 20 from overcharge, overdischarge, overcurrent, and the like.
- the PCS 22 performs power conversion so that the battery pack 20 and the power system 100 can be connected, and controls charging of the power pack 20 or discharging from the power pack 20 to the customer facilities 106a to 106c.
- the power system 100 is a system that is managed by a power supplier (e.g., a power company) and supplies power to consumers.
- the system controller 23 controls the operation of the entire power storage device 101 including the BMU and the PCS 22.
- the system controller 23 is connected to the network 103 and transmits / receives data to / from the management device 102 that manages the power storage device 101.
- the battery pack 20, BMU 21, PCS 22, and system controller 23 are described separately, which indicates that the four modules are logically separated. These modules may be physically separated from each other, or at least a part thereof may be integrally formed in any combination.
- Discharge remaining power information acquisition part 31 Discharge required power information acquisition part 32 Discharge amount determination part 33 Notification part 34 Storage part 35 Allocation amount determination part 36 Priority information acquisition part 37 Priority order update information acquisition part 38 Priority order update part 39 Consideration amount Information acquisition unit 40 Deemed amount determination unit 41 Power generation prediction information acquisition unit 50 Load 51 Communication unit 52 Input unit 53 Measurement unit 56 Output unit 60 Information acquisition unit 61 Determination unit 80 Discharge remaining power information acquisition unit 81 Discharge required power information acquisition unit 82 Discharge Quantity determining unit 100 Power system 101 Power storage device 102 Management device 103 Network 104 Communication circuit 105 Distribution network 106 Customer facility 700 Computer 701 CPU 702 Storage unit 703 Storage device 704 Input unit 705 Output unit 706 Communication unit 707 Recording medium
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
蓄電装置から複数の需要家施設ごとへの供給電力として要求される放電要求電力量を示す放電要求電力情報を取得する放電要求電力情報取得手段と、
放電余力情報と放電要求電力情報とに基づいて、蓄電装置が放電する電力量を示す蓄電池放電量を決定する放電量決定手段と、を含む。
蓄電手段から放電可能な電力量を示す放電余力情報を取得する放電余力情報取得手段と、
蓄電手段から複数の需要家施設ごとへの供給電力として要求される放電要求電力量を示す放電要求電力情報を取得する放電要求電力情報取得手段と、
放電余力情報と放電要求電力情報とを利用して、蓄電手段が放電する電力を示す蓄電池放電量を決定する放電量決定手段と、
蓄電池放電量に従って蓄電手段を制御する制御手段と、を含む。
複数の需要家施設と接続された蓄電装置の放電可能な電力量を示す放電余力情報を取得し、
蓄電装置から複数の需要家施設ごとへの供給電力として要求される放電要求電力量を示す放電要求電力情報を取得し、
取得した放電余力情報と放電要求電力情報に応じて、蓄電装置が放電する電力量を示す蓄電池電力量を決定する、処理を実行させる蓄電池共有プログラムを記録する。
蓄電装置から複数の需要家施設ごとへの供給電力として要求される放電要求電力量を示す放電要求電力情報と
蓄電装置が一定期間に放電する電力量を示す蓄電池電力量と、を利用して、
蓄電池放電量のうち需要家施設各々が仮想的に使用可能な電力量を示す割当電力量を決定する処理を実行させる蓄電池共有プログラムを記録する。
複数の需要家施設と接続された蓄電装置から放電可能な電力量を示す放電余力情報と、
前記蓄電装置からの供給電力として前記複数の需要家施設ごとに要求される放電要求電力量を示す放電要求電力情報と、を利用し、
前記蓄電装置から放電される電力を示す蓄電池放電量を決定する。
複数の需要家施設各々に仮想的に供給可能な電力量を示す割当電力量情報と複数の需要家施設各々に供給された電力量を示す供給電力量情報とを利用して、
前記複数の需要家施設各々が蓄電装置から供給を受けたとみなす電力量を示すみなし量を決定する。
以下、本発明の実施形態を、図面を参照して説明するなお、同様の構成要素には同様の符号を付し、適宜説明を省略する。
例えば、放電要求電力情報を取得する記憶部34が各需要家の放電要求電力情報をあらかじめ保持している場合、放電要求電力情報取得部31は、記憶部34から放電要求電力量を取得してもよい。または、放電要求電力情報取得部31は、外部装置(例:集合住宅の管理サーバ等)のアドレス情報をあらかじめ保持していてもよい。放電要求電力情報取得部31は、所定のタイミングで外部装置に自らアクセスすることにより、放電要求電力情報を取得してもよい。
一方、放電量が0より大きい値である期間には、蓄電装置101は配電網105へ放電し、負荷50に電力を供給する。そして蓄電装置101は配電網105に放電した電力量の累積値を保持する。累積値が蓄電池放電量に達すると、蓄電装置101は放電を停止する。それ以降、当該期間において負荷50に電力を供給する場合には、電力系統100が電力を供給する。需要家施設106a~cの需要量が蓄電池放電量を下回る場合には、蓄電装置101が放電した電力を電力系統100に供給するように制御することもできる。
各需要家施設の放電要求電力情報として任意の値を受け付ける場合、需要家施設106a~cの電力需要が大きい期間に蓄電池放電量が小さいために、蓄電装置101が供給する電力を有効に活用できないといった不都合が生じうる。
なお、第1の実施形態と共通する点は適宜省略する。
〔第3の実施形態〕
実際の需要家施設106a~cの放電要求電力量の合計値は、放電可能量及び蓄電池最大放電量よりも大きくなることもありうる。しかし、放電量決定部32は放電余力情報と放電要求電力情報に基づき、放電可能量及び蓄電池放電量を超えないように蓄電池放電量を決定する。この場合、各需要家施設106a~cの放電要求電力量の合計と実際の蓄電池放電量とが異なるため、需要家施設106a~cそれぞれの放電要求量がどのように考慮されたか判断できない。このような場合には、需要家施設106a~cでは使用可能な電力量が判断できないため、負荷の使用計画等が立てられず、蓄電装置101が供給する電力を有効に利用できないという不都合が生じうる。そこで、本実施形態における管理装置102は、蓄電池放電量と放電要求電力情報に基づき、蓄電装置101から各需要家施設106a~cへ仮想的に供給可能な電力量(割当電力量)を設定する。
〔第4の実施形態〕
本実施形態の管理装置102は、需要家施設106a~cに付した優先順位をさらに用いて蓄電池放電量を決定する。さらに、管理装置102は、優先順位を用いて割当電力量を決定する。
ここで確定した蓄電池放電量は40kWhであり、60kWhの放電可能量が残る。そこで、放電量決定部32は、さらに優先順位2位の需要家施設106bの放電要求電力量45kWhも蓄電池放電量として加算する。さらに、放電量決定部32は、放電可能量として余剰となる15kWhを任意の時間帯に振り分ける。需要家施設106a、106bの放電要求電力量の合計が最も大きい12-18時の時間帯の確定した蓄電池放電量は30kWhなので、蓄電池放電量が蓄電池最大放電量となるように余力分の10kWhを加える。放電量決定部32は、さらに残りの5kWhを、12-18時の前後の時間帯のうち、需要家施設106a及び106bの放電要求電力量の大きい6-12時の蓄電池放電量とし、放電スケジュールを決定する。
その他の例として余剰の電力量は放電せずに蓄電したままでもよい。
〔第5の実施形態〕
第3、第4の実施形態では、各需要家施設に仮想的に供給可能な電力量を示す割当電力量が決定された。しかし、複数の需要家施設106a~cに共通の配電網105を介して電力系統100と蓄電装置101から電力を供給する場合、以下の不都合が生じる。その不都合は、需要家施設106a~cに供給される電力が、蓄電装置101が放電した電力であるか電力系統100から供給された電力であるかを特定できないという不都合である。
〔第6の実施形態〕
各需要家施設106a~cの放電要求電力量や放電要求電力量を設定する期間によっては、需要家施設106a~cごとの割当電力量や、蓄電装置101から電力供給を受けたことで得た利益に大きな差ができることが予想される。
このような本実施形態によれば、需要家施設106a~cの放電要求電力情報の大小に関わらず、一定期間における割当電力量の差を小さくすることができる。結果、ある需要家は蓄電装置101から供給される電力を恒常的に使用でき、他方の需要家は蓄電装置101から供給される電力を使用できず電力系統100から供給される電力を購入するといった不都合を軽減することができる。
〔第7の実施形態〕
本実施形態は、発電装置及び第2の蓄電装置101の少なくとも1つが配電網105に接続されており、発電装置及び第2の蓄電装置101の少なくとも一つが供給する電力量の予測値を示す発電量予測情報をさらに利用して蓄電池放電量を決定する。
〔第8の実施形態〕
図20は、本実施形態の最小構成の管理装置102の機能ブロック図の一例を示す図である。
31 放電要求電力情報取得部
32 放電量決定部
33 通知部
34 記憶部
35 割当量決定部
36 優先順位情報取得部
37 優先順位更新情報取得部
38 優先順位更新部
39 みなし量情報取得部
40 みなし量決定部
41 発電予測情報取得部
50 負荷
51 通信部
52 入力部
53 計測部
56 出力部
60 情報取得部
61 決定部
80 放電余力情報取得部
81 放電要求電力情報取得部
82 放電量決定部
100 電力系統
101 蓄電装置
102 管理装置
103 ネットワーク
104 通信回路
105 配電網
106 需要家施設
700 コンピュータ
701 CPU
702 記憶部
703 記憶装置
704 入力部
705 出力部
706 通信部
707 記録媒体
Claims (16)
- 複数の需要家施設と接続された蓄電装置が放電可能な電力量を示す放電余力情報を取得する放電余力情報取得手段と、
前記蓄電装置から前記複数の需要家施設各々への供給電力として要求される放電要求電力量を示す放電要求電力情報を取得する放電要求電力情報取得手段と、
前記放電余力情報と前記放電要求電力情報とに基づいて、前記蓄電装置が放電する電力量を示す蓄電池放電量を決定する放電量決定手段と、
を含む情報処理装置。 - 前記放電要求電力情報取得手段は、前記複数の需要家施設各々に供給される電力量及び前記複数の需要家施設各々の負荷が消費する電力量の少なくとも一方の予測値を示す負荷予測情報に基づいた放電要求電力情報を取得する、
請求項1に記載の情報処理装置。 - 前記放電要求電力情報取得手段は、単位時間に区切られた時間帯ごとの放電要求電力量を設定した前記放電要求電力情報を取得し、
前記放電量決定手段は、前記複数の需要家施設の前記放電要求電力量の合計が相対的に大きな時間帯に、前記合計が相対的に小さな時間帯よりも大きな前記蓄電池放電量を決定する
請求項1または2に記載の情報処理装置。 - 前記複数の需要家施設各々に付された優先順位を取得する優先順位情報取得手段を含み、
前記放電要求電力情報取得手段は、単位時間に区切られた時間帯ごとの放電要求電力量を取得し、
前記放電量決定手段は、前記優先順位の高い前記需要家施設の放電要求電力量が大きな時間帯に、前記優先順位の高い前記需要家施設の放電要求電力量が小さな時間帯よりも大きな蓄電池放電量を決定する
請求項1または2に記載の情報処理装置。 - 前記複数の需要家施設へ仮想的に供給可能な電力量を示す割当電力量を決定する割当量決定手段をさらに含み、
前記放電要求電力量が相対的に大きな需要家施設に、前記放電要求電力量が相対的に小さな需要家施設よりも大きな前記割当電力量を設定する
請求項1乃至4のいずれか1項に記載の情報処理装置。 - 前記複数の需要家施設各々へ仮想的に供給可能な電力量を示す割当電力量を決定する割当量決定手段をさらに含み、
前記割当量決定手段は、前記優先順位に従って前記複数の需要家各々の前記割当電力量の大小を決定する
請求項1乃至4のいずれか1項に記載の情報処理装置。 - 前記割当電力量と前記複数の需要家各々に供給された供給電力量とを取得するみなし量取得手段と
前記複数の需要家施設各々が前記蓄電装置から供給を受けたとみなす電力量を示すみなし量を決定するみなし量決定手段とを含み、
前記みなし量決定手段は、前記割当電力量と前記供給電力量のうち小さい値の方を前記みなし量として決定する
請求項5または6に記載の情報処理装置。 - 前記複数の需要家施設各々の電力使用履歴を示す優先順位更新情報を取得する優先順位更新情報取得手段をさらに含み、
前記優先順位更新手段は、前記優先順位更新情報に基づいて、一定の期間における前記複数の需要家施設の前記割当電力量が等しくなる、または前記蓄電装置から電力供給を受けたことによって得た利益が等しくなるように前記優先順位を更新する
請求項4乃至7のいずれか1項に記載の情報処理装置。 - 前記電力系統と異なる電力供給源である発電装置及び第2の蓄電装置の少なくとも1つが供給する電力量の予測値を示す発電量予測情報を取得する発電予測情報取得手段をさらに含み、
前記放電量決定手段は、前記発電予測情報をさらに利用して前記蓄電池放電量を決定する
請求項1乃至8のいずれか1項に記載の情報処理装置。 - 前記放電要求電力情報取得手段は、前記放電要求電力情報として前記発電装置及び前記第2の蓄電装置の少なくとも1つが供給する電力量の共有可否を示す共有可否情報をさらに取得し、
前記割当量決定手段は、前記共有可否情報が共有不可を示す場合に、前記発電装置及び前記第2の蓄電装置が供給する電力量を前記発電装置及び前記第2の蓄電装置を占有する前記需要家施設の前記割当電力量として決定する
請求項9に記載の情報処理装置。 - 通知手段をさらに含み、
前記通知手段は前記需要家施設の前記供給電力量と該需要家施設の前記割当電力量とを比較し、前記供給電力量と前記割当電力量との差が閾値を超えた場合に前記需要家施設に通知する
請求項4乃至10のいずれか1項に記載に記載の情報処理装置。 - 複数の需要家施設と接続し前記需要家施設に電力を供給する蓄電手段と、
前記蓄電手段から放電可能な電力量を示す放電余力情報を取得する放電余力情報取得手段と、
前記蓄電手段から前記複数の需要家施設ごとへの供給電力として要求される放電要求電力量を示す放電要求電力情報を取得する放電要求電力情報取得手段と、
前記放電余力情報と前記放電要求電力情報とを利用して、前記蓄電手段が放電する電力を示す蓄電池放電量を決定する放電量決定手段と、
前記蓄電池放電量に従って前記蓄電手段を制御する制御手段と、を含む
蓄電池共有システム。 - コンピュータに、
複数の需要家施設と接続された蓄電装置の放電可能な電力量を示す放電余力情報を取得し、
前記蓄電装置から前記複数の需要家施設ごとへの供給電力として要求される放電要求電力量を示す放電要求電力情報を取得し、
取得した前記放電余力情報と前記放電要求電力情報に応じて、前記蓄電装置が放電する電力量を示す蓄電池電力量を決定する、処理を実行させる
蓄電池共有プログラムを記録したコンピュータ読み取り可能な非一時的記録媒体。 - コンピュータに、
複数の需要家施設と接続された蓄電装置が放電する電力量を示す蓄電池電力量と
前記蓄電装置から前記複数の需要家施設ごとへの供給電力として要求される放電要求電力量を示す放電要求電力情報とを利用して、
前記蓄電池放電量のうち前記需要家施設が仮想的に使用可能な電力量を示す割当電力量を決定する処理を実行させる
蓄電池共有プログラムを記録したコンピュータ読み取り可能な非一時的記録媒体。 - 複数の需要家施設と接続された蓄電装置から放電可能な電力量を示す放電余力情報と、前記蓄電装置からの供給電力として前記複数の需要家施設ごとに要求される放電要求電力量を示す放電要求電力情報と、を利用し、
前記蓄電装置から放電される電力を示す蓄電池放電量を決定する
蓄電池放電量決定方法。 - 複数の需要家施設各々に仮想的に供給可能な電力量を示す割当電力量情報と複数の需要家施設各々に供給された電力量を示す供給電力量情報とを利用して、
前記複数の需要家施設各々が蓄電装置から供給を受けたとみなす電力量を示すみなし量を決定する
みなし量決定方法。
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