WO2020004053A1 - 管理サーバ、管理システム、及び管理方法 - Google Patents
管理サーバ、管理システム、及び管理方法 Download PDFInfo
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- WO2020004053A1 WO2020004053A1 PCT/JP2019/023419 JP2019023419W WO2020004053A1 WO 2020004053 A1 WO2020004053 A1 WO 2020004053A1 JP 2019023419 W JP2019023419 W JP 2019023419W WO 2020004053 A1 WO2020004053 A1 WO 2020004053A1
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- power storage
- storage device
- control
- charge
- storage devices
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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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
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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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/005—Detection of state of health [SOH]
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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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/10—The network having a local or delimited stationary reach
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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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
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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
- Y02E60/10—Energy storage using batteries
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/50—Energy storage in industry with an added climate change mitigation effect
Definitions
- the present invention relates to a management server, a management system, and a management method.
- VPP virtual power plant
- a control server of a company that performs such control (referred to as an “aggregator”) performs integrated control in response to a request from a power company such as a power transmission and distribution company.
- Patent Document 1 ⁇ describes a system for integrally controlling a plurality of power storage devices that are distributed and arranged.
- a device that controls charging and discharging of a plurality of power storage devices discharges or charges the plurality of power storage devices from the plurality of power storage devices in accordance with the degree of deterioration of each of the plurality of power storage devices.
- the management server is a server that performs maintenance management on a plurality of power storage devices included in the target of charge / discharge control by the control server.
- the management server includes at least one processor.
- the at least one processor executes a specific process, a selection process, and a notification process.
- the specifying process includes a process of specifying a degree of deterioration of each of the plurality of power storage devices.
- the selection process includes a process of selecting, from the plurality of power storage devices, an exclusionary power storage device to be excluded from charge / discharge control by the control server based on the degree of deterioration specified by the specifying process.
- the notification process includes a process of notifying the control server that charge / discharge control for the excluded power storage device selected by the selection process is not possible.
- the management system includes a system that performs maintenance management on a plurality of power storage devices included in the target of charge / discharge control by the control server.
- the management system includes at least one processor.
- the at least one processor executes a specific process, a selection process, and a notification process.
- the specifying process includes a process of specifying a degree of deterioration of each of the plurality of power storage devices.
- the selection process includes a process of selecting, from the plurality of power storage devices, an exclusionary power storage device to be excluded from charge / discharge control by the control server based on the degree of deterioration specified by the specifying process.
- the notification process includes a process of notifying the control server that charge / discharge control for the excluded power storage device selected by the selection process is not possible.
- a management method includes performing maintenance management on a plurality of power storage devices included in a charge / discharge control target by the control server.
- Performing the maintenance management includes specifying the degree of deterioration of each of the plurality of power storage devices, and performing charge / discharge by the control server from among the plurality of power storage devices based on the specified degree of deterioration.
- the method includes selecting an exclusionary power storage device to be excluded from control, and notifying the control server that charge / discharge control of the selected exclusionary power storage device is not possible.
- the power storage device includes a memory and at least one processor.
- the memory executes a process of storing external control setting information indicating whether control from the control server is permitted.
- the at least one processor performs a receiving process and a transmitting process.
- the receiving process includes a process of receiving a request message requesting transmission of the external control setting information from a management device that manages power of the facility.
- the transmission process includes a process of transmitting a response message including the external control setting information to the management device in response to receiving the request message.
- the external control setting information may be setting information for which setting from the management device to the power storage device is disabled.
- the management device manages the power of the facility.
- the management device includes at least one processor.
- the at least one processor performs a first transmission process, a reception process, and a second transmission process.
- the first transmission process includes a process of transmitting, to a power storage device provided in the facility, a request message requesting transmission of external control setting information indicating whether control from the control server is permitted.
- the receiving process includes a process of receiving a response message including the external control setting information from the power storage device.
- the second transmission process includes a process of transmitting information based on the received external control setting information to the control server.
- FIG. 1 is a diagram illustrating a configuration of a management system according to an embodiment.
- FIG. 2 is a diagram illustrating a communication path configuration in the management system according to the embodiment.
- FIG. 2 is a diagram illustrating a configuration of a power storage device according to the embodiment. It is a figure showing composition of a management server concerning an embodiment.
- FIG. 6 is a diagram illustrating an example of an operation sequence in the management system according to the embodiment.
- FIG. 4 is a diagram illustrating an example of external control setting information according to the embodiment. It is a figure showing the example of change of the communication channel composition in the management system concerning an embodiment. It is a figure showing an example of an operation sequence in a management system concerning a modification of an embodiment.
- the control server may perform charge / discharge control without sufficiently considering the deterioration of each power storage device.
- control server performs the integrated control of a plurality of power storage devices, there is a possibility that the deterioration of only the power storage device in one process is advanced quickly. In an extreme case, there is a concern that a power storage device that does not satisfy the product life guaranteed by the manufacturer may occur.
- the present disclosure is directed to a management server that can prevent deterioration of a single power storage device from progressing quickly even when the control server performs integrated control of a plurality of power storage devices without considering deterioration.
- a management system, and a management method are examples of management server that can prevent deterioration of a single power storage device from progressing quickly even when the control server performs integrated control of a plurality of power storage devices without considering deterioration.
- the management server is a server that performs maintenance management on a plurality of power storage devices included in the target of charge / discharge control by the control server.
- the management server includes at least one processor.
- the at least one processor executes a specific process, a selection process, and a notification process.
- the specifying process includes a process of specifying a degree of deterioration of each of the plurality of power storage devices.
- the selection process includes a process of selecting, from the plurality of power storage devices, an exclusionary power storage device to be excluded from charge / discharge control by the control server based on the degree of deterioration specified by the specifying process.
- the notification process includes a process of notifying the control server that charge / discharge control for the excluded power storage device selected by the selection process is not possible.
- a management server and a management server that can prevent deterioration of only a part of the power storage devices from being advanced quickly.
- a system and a management method can be provided.
- FIG. 1 is a diagram illustrating a configuration of a management system 1 according to the present embodiment.
- the management system 1 includes a plurality of facilities 100, a management server 200, a control server 300, and a host server 400.
- facilities 100A to 300C are illustrated as a plurality of facilities 100. Since each facility 100 has the same configuration, FIG. 1 shows only the configuration of the facility 100A among the facilities 100A to 300C.
- Each facility 100 is connected to the power system 10.
- the flow of electric power from the electric power system 10 to the facility 100 is referred to as a power flow.
- the flow of power from the facility 100 to the power system 10 is referred to as reverse power flow. Power from the power system 10 to the facility 100 may be referred to as demand power.
- the facility 100, the management server 200, the control server 300, and the upper server 400 are connected to the communication network 20.
- communication network 20 may include the Internet.
- the communication network 20 may include a dedicated line such as a VPN (Virtual Private Network).
- the facility 100 includes a measuring device 110, a power storage device 120, a load device 130, and an EMS (Energy Management System) 140.
- the facility 100 may further include a distributed power source such as a solar power generation device.
- the measuring device 110 is a device that measures the tide flow and the reverse tide flow.
- the measurement device 110 transmits the measurement data to the EMS 140.
- the power storage device 120 is a device that performs charging and discharging.
- Power storage device 120 includes a lithium-ion power storage device, a lead power storage device, a nickel-hydrogen power storage device, or the like.
- Power storage device 120 is controlled by EMS 140.
- the power storage device 120 performs communication with the management server 200.
- the load device 130 is a device that consumes power.
- the load devices 130 include an air conditioner, a lighting device, an AV (Audio Visual) device, and the like.
- the EMS 140 is a device that manages the power of the facility 100.
- EMS 140 is an example of a control device that controls power storage device 120.
- the EMS 140 may control the operation state of the load device 130.
- the EMS 140 may perform a peak cut in order to reduce the electricity bill.
- the EMS 140 controls the power storage device 120 so that the power storage device 120 is charged at night when power demand is low, and discharged during a time when power demand is high. Thereby, the EMS 140 lowers the peak power.
- the EMS 140 controls the power storage device 120 according to a control message from the control server 300.
- the management server 200 is a device that performs maintenance management of the power storage device 120.
- the management server 200 is a server of an O & M (Operation @ and @ Maintenance) service provider.
- the O & M service provider is a company that performs maintenance management of the power storage device 120.
- the O & M service provider may be a manufacturer of the power storage device 120.
- the management server 200 manages a power storage device 120 of a specific manufacturer or a power storage device 120 of a user who has a maintenance management contract with an O & M service provider.
- the management server 200 communicates with the power storage device 120 and remotely monitors the power storage device 120.
- the management server 200 may communicate with the power storage device 120 via the EMS 140.
- the control server 300 is a device that integrally controls charging and discharging of the power storage device 120 of the facility 100.
- the control server 300 is an aggregator server.
- the aggregator is a company that performs power management by integrating distributed energy facilities of a plurality of facilities 100.
- the aggregator provides an adjusting force for balancing the power supply and demand of the power system 10.
- Such an aggregator may be referred to as a resource aggregator.
- the control server 300 controls the facility 100 of the user who has a contract with the resource aggregator.
- Control server 300 controls charging and discharging of power storage device 120 so as to adjust the requested amount of power in response to a request from host server 400. Specifically, a control message instructing control of power storage device 120 is transmitted to EMS 140.
- the host server 400 is a device that requests the control server 300 to adjust the tide flow or the reverse tide flow in order to balance the power supply and demand of the power system 10.
- the host server 400 is a server of a power company or a server of a host aggregator. Electricity utilities include power generation, transmission and distribution, and retailers.
- the upper-level aggregator controls a plurality of resource aggregators.
- the host server 400 may request the control server 300 to reduce the reverse tide flow rate in a time period when the amount of solar power generation is large.
- the host server 400 may request the control server 300 to reduce the tide flow, for example, in a time period when the amount of solar power generation is small.
- FIG. 2 is a diagram showing a communication path configuration in the management system 1 according to the present embodiment.
- the upper server 400 communicates with the control server 300.
- a protocol based on OpenADR (Automated Demand Response) 2.0 or a unique dedicated protocol can be used for communication between the host server 400 and the control server 300.
- OpenADR2.0 the function of transmitting a control message is referred to as VTN (Virtual @ Top @ Node).
- VEN Virtual @ End @ Node.
- the host server 400 may transmit a power flow control message (for example, a DR (Demand @ Response) request or a DR event) to the control server 300, requesting power flow control.
- a power flow control message for example, a DR (Demand @ Response) request or a DR event
- the host server 400 may transmit a reverse power flow control message requesting the control server 300 to control the reverse power flow.
- the power flow or reverse power flow control degree may be represented by an absolute value (for example, ⁇ kW) or a relative value (for example, ⁇ %).
- the control server 300 communicates with the host server 400 and the EMS 140.
- a protocol based on OpenADR2.0 or a unique dedicated protocol can be used for communication between the control server 300 and the EMS 140.
- the control server 300 may transmit a power flow control message (for example, a DR request or a DR event) requesting the EMS 140 to control the power flow.
- the control server 300 may transmit a reverse power flow control message requesting the EMS 140 to control the reverse power flow.
- the EMS 140 communicates with the control server 300 and the power storage device 120.
- a protocol conforming to ECHONET Lite, SEP (Smart Energy Profile) 2.0, KNX, or a unique dedicated protocol can be used.
- EMS 140 controls charging and discharging of power storage device 120 according to a control message from control server 300. Specifically, EMS 140 transmits a message for setting the operation of power storage device 120 to power storage device 120. Thereby, EMS 140 controls power storage device 120.
- the power storage device 120 performs communication with the EMS 140 and the management server 200.
- a unique dedicated protocol can be used for communication between the power storage device 120 and the management server 200.
- Power storage device 120 performs charging and discharging in response to a message from EMS 140.
- the management server 200 communicates with the power storage device 120 and remotely monitors the power storage device 120.
- the management server 200 may communicate with the power storage device 120 via the EMS 140.
- the management server 200 performs a process for preventing deterioration of only a part of the plurality of power storage devices 120 under its management from progressing quickly.
- the management server 200 specifies the degree of deterioration of each of the plurality of power storage devices 120.
- the degree of deterioration may be an actual degree of deterioration. Alternatively, the degree of deterioration may be the estimated degree of deterioration.
- the management server 200 selects an exclusion power storage device based on the specified degree of deterioration.
- the excluded power storage device is a power storage device that is excluded from a plurality of power storage devices 120 from being subjected to charge / discharge control by the control server 300. Furthermore, the management server 200 notifies the control server 300 that charging / discharging control for the selected excluded power storage device is not possible.
- the management server 200 does not have a direct communication path with the control server 300. Therefore, the management server 200 notifies the control server 300 via the power storage device 120 and the EMS 140. Specifically, management server 200 sets the prohibition setting information in the excluded power storage device. The prohibition setting information indicates that charge / discharge control by the control server 300 is prohibited. Thereby, the management server 200 notifies that the charge / discharge control for the excluded power storage device is not possible. Prohibition setting information set in power storage device 120 is read by EMS 140 and transmitted to control server 300. Alternatively, the management server 200 sets the prohibition setting information in the EMS 140. The prohibition setting information indicates that charge / discharge control by the control server 300 is prohibited.
- the management server 200 notifies that the charge / discharge control for the excluded power storage device is not possible.
- the prohibition setting information set in the EMS 140 is transmitted from the EMS 140 to the control server 300.
- the management server 200 sets the prohibition setting information in the excluded power storage device will be described.
- the control server 300 receives a notification that charging / discharging control for the excluded power storage device selected by the management server 200 is impossible (prohibited). In such a case, the control server 300 avoids charge / discharge control for the excluded power storage device. Specifically, the control server 300 performs VPP control after excluding the facility 100 having the excluded power storage device from the facilities 100 under its control.
- FIG. 3 is a diagram illustrating a configuration of the power storage device 120 according to the present embodiment.
- power storage device 120 includes storage battery cells 121, PCS (Power Conditioning System) 122, communication unit 123, storage unit 124, temperature sensor 125, and control unit 126.
- the PCS 122 may include at least one of the communication unit 123, the storage unit 124, the temperature sensor 125, and the control unit 126.
- the storage battery cell 121 stores power input from the PCS 122.
- the storage battery cell 121 outputs power to the PCS 122.
- the SPCS 122 converts electric power (DC) input from the storage battery cell 121 into AC and outputs the AC during discharging. Further, the PCS 122 converts the power (AC) input from the power system 10 into DC and outputs the DC to the storage battery cell 121 during charging. The PCS 122 measures an SOC (State of Charge) and charge / discharge power. Further, the PCS 122 outputs the measurement data to the control unit 126.
- DC electric power
- AC power
- SOC State of Charge
- the communication unit 123 performs communication with the EMS 140 and communication with the management server 200.
- the communication unit 123 includes a communication module.
- the communication unit 123 transmits and receives a message according to ECHONET Lite to and from the EMS 140.
- the communication unit 123 transmits and receives a message according to a unique dedicated protocol to and from the management server 200.
- the storage unit 124 stores various information.
- the storage unit 124 includes a memory.
- the storage unit 124 stores, for example, external control setting information.
- the external control setting information is setting information indicating “permitted” or “prohibited”. That is, the external control setting information is setting information indicating that charge / discharge control from the control server 300 is permitted or prohibited.
- the external control setting information indicating “prohibition” may be referred to as external control prohibition setting information.
- the storage unit 124 may store “permitted” as external control setting information as default setting information (initial information).
- the temperature sensor 125 measures the temperature and outputs the measured data to the control unit 126.
- the temperature sensor 125 may measure the temperature of the storage battery cell 121. Alternatively, temperature sensor 125 may measure the temperature around storage battery cell 121.
- Control unit 126 controls each component included in power storage device 120.
- Control unit 126 includes a CPU (Central Processing Unit).
- the control unit 126 decodes the message received by the communication unit 123 from the EMS 140. Further, the control unit 126 controls the PCS 122 according to the message.
- CPU Central Processing Unit
- the communication unit 123 may receive a message requesting transmission of the external control setting information.
- the control unit 126 reads the external control setting information stored in the storage unit 124. Further, the control unit 126 controls the communication unit 123 to transmit a response message including the read external control setting information to the EMS 140.
- the communication unit 123 may receive the external control setting information (“prohibited”) from the management server 200. In such a case, the control unit 126 updates the external control setting information stored in the storage unit 124 to “prohibited”.
- the control unit 126 controls the communication unit 123 to transmit a message including the deterioration factor parameter to the management server 200.
- the deterioration factor parameter includes at least one of SOC (State of Charge), temperature, and charge / discharge power.
- the control unit 126 controls the communication unit 123 to transmit a message including information indicating the usage status of the power storage device 120 to the management server 200.
- the usage status of the power storage device 120 is used to specify the degree of deterioration (SOH; State of Health) of the power storage device 120.
- the information indicating the usage status of the power storage device 120 may include information indicating the current capacity of the power storage device 120.
- the current capacity of the power storage device 120 includes, for example, an AC effective capacity (charge) and an AC effective capacity (discharge).
- the information indicating the usage status of the power storage device 120 may include information indicating the current resistance value of the power storage device 120.
- the information indicating the usage status of the power storage device 120 may include information indicating the cumulative charging time and the cumulative discharging time of the power storage device 120.
- the information indicating the usage state of power storage device 120 may include information indicating the accumulated charge amount of power storage device 120 and information indicating the accumulated discharge amount.
- the information indicating the accumulated charge amount of the power storage device 120 includes, for example, an AC integrated charge amount measurement value, an AC instantaneous charge amount measurement value, a DC integrated charge amount measurement value, a DC instantaneous charge amount measurement value, and an integrated charge amount amount. It includes at least one of a measured value, an instantaneous charge power measured value, and an instantaneous charge voltage measured value.
- the information indicating the accumulated discharge amount includes, for example, an AC integrated discharge power amount measurement value, an AC instantaneous discharge power amount measurement value, a DC integrated discharge power amount measurement value, a DC instantaneous discharge power amount measurement value, and an integrated discharge power amount measurement value. , Instantaneous discharge power measurement value, and instantaneous discharge voltage measurement value.
- the information indicating the usage status of the power storage device 120 may include information indicating the cumulative number of charge / discharge cycles of the power storage device 120.
- FIG. 4 is a diagram illustrating a configuration of the management server 200 according to the present embodiment.
- the management server 200 includes a database 210, a communication unit 220, and a control unit 230.
- the database 210 is configured by a storage medium such as a memory and / or an HDD.
- the database 210 stores information and data used for control and processing in the control unit 230.
- the database 210 stores data on the power storage device 120 managed by the management server 200.
- the data relating to the power storage device 120 may be the specifications of the power storage device 120 provided in the facility 100 or the like.
- the specification may be the initial capacity (W), the initial resistance value ( ⁇ ), and the rated output (W) of the power storage device 120.
- the specification may be specified by the type of the power storage device 120.
- the database 210 may store the target aging deterioration rate.
- the target aging deterioration rate indicates a relationship between the aging time of the power storage device 120 and the target SOH.
- the target aging deterioration rate is represented by target SOH / aging time.
- the aging time is a time from the installation of the power storage device 120.
- the aging time may be estimated from the total value of the accumulated discharge amount and the accumulated charge amount from the installation of the power storage device 120.
- the aging time may be estimated from the total value of the cumulative discharge time and the cumulative charge time from the installation of the power storage device 120.
- the aging time may be estimated from the cumulative number of charge / discharge cycles from the installation of power storage device 120.
- the target SOH is a target value of the SOH that is predetermined with respect to the aging time.
- the target aging degradation rate may be different for each power storage device 120.
- the communication unit 220 is constituted by a communication module. Communication unit 220 communicates with power storage device 120. Communication unit 220 receives a message including the deterioration factor parameter from power storage device 120.
- the deterioration factor parameter includes at least one of SOC (State of Charge), temperature, and charge / discharge power. Further, communication unit 220 receives a message including information indicating the usage state of power storage device 120 from power storage device 120. Further, communication section 220 transmits a message including external control setting information to power storage device 120.
- the control unit 230 is configured by a CPU and the like.
- the control unit 230 controls each component included in the management server 200.
- the control unit 230 includes a specification unit 231, a selection unit 232, a notification unit 233, and a determination unit 234.
- the specification unit 231, the selection unit 232, the notification unit 233, and the determination unit 234 may be configured by one CPU, or may be configured by a plurality of CPUs.
- Specifying section 231 specifies the SOH of power storage device 120 based on the information stored in database 210 and the information received by communication section 220.
- the SOH may be measured by executing the maintenance mode at a predetermined cycle (for example, once / two years).
- the SOH of the power storage device 120 may be estimated by ⁇ (capacity t1 ⁇ deteriorated capacity) / initial capacity ⁇ ⁇ 100.
- the capacity t1 is a capacity actually measured in the maintenance mode executed at the timing t1.
- the deterioration capacity is estimated by the charge / discharge power (discharge amount and charge amount) ⁇ 1 kWh deterioration rate between the timing t1 and the current timing.
- the 1 kWh deterioration rate may be specified by the guaranteed deterioration rate of power storage device 120.
- power storage device 120 may be guaranteed a 20% deterioration rate in 6000 charge / discharge cycles. In such a case, the 1 kWh deterioration rate may be represented by 1/3600.
- the SOH of the power storage device 120 may be specified from the SOH deterioration amount and the charge / discharge power amount during the maintenance mode.
- the maintenance mode is executed at timings t0 and t1.
- the SOH of the power storage device 120 may be estimated based on the deterioration factor parameter.
- the deterioration factor parameter includes at least one of SOC (State of Charge), temperature, and charge / discharge power.
- SOC State of Charge
- a future SOH may be estimated depending on whether or not the power storage device 120 is in a state of being easily deteriorated. For example, it is assumed that the temperature of power storage device 120 is high. In such a case, if the power storage device 120 is charged or discharged, the SOH becomes worse. For this reason, the identification unit 231 may estimate a low SOH as a future SOH of the power storage device 120 whose temperature is steadily high or the power storage device 120 whose temperature is high for a long time.
- the specifying unit 231 may estimate a low SOH as a future SOH of the power storage device 120 in which the percentage of the time when the SOC is zero or close to zero is large.
- the actually measured SOH and the estimated SOH may be referred to as SOH without distinction.
- the selection unit 232 selects, from the power storage devices 120 managed by the management server 200, based on the SOH specified by the specifying unit 231, an exclusion power storage device to be excluded from charge / discharge control by the control server 300.
- the selecting unit 232 may select the power storage device 120 having the worst SOH among the power storage devices 120 managed by the management server 200 as the excluded power storage device.
- the selection unit 232 may extract a predetermined number of SOHs specified by the specifying unit 231 in ascending order of SOH, and select the extracted power storage device 120 as an exclusion power storage device.
- the selection unit 232 may specify the target SOH corresponding to the aging time for each of the power storage devices 120 under management, based on the target aging deterioration rate. In such a case, the selection unit 232 may select the excluded power storage device based on a comparison result between the SOH specified by the specifying unit 231 and the target SOH. Specifically, the selection unit 232 may select the power storage device 120 whose specified SOH is lower than the target SOH as an excluded power storage device in order to suppress deterioration.
- the selection unit 232 maintains at least one of the managed power storage devices 120 while maintaining the ratio of the excluded power storage devices in the managed power storage devices 120 or the number of the excluded power storage devices to a predetermined threshold or less. Two excluded power storage devices may be selected.
- the selection unit 232 may set the predetermined threshold value so as to secure a certain number or more of the power storage devices of the managed power storage devices 120 for which the control server 300 permits the charge / discharge control. For example, it is assumed that the number of power storage devices 120 under management is “100” and the number or ratio of power storage devices for which charge / discharge control by control server 300 is permitted is set to “80”. In such a case, the number or ratio that can be selected as the excluded power storage device is “20”. Alternatively, the selection unit 232 may set a predetermined threshold. At this time, the predetermined threshold value may be set so that the total rated output of the power storage devices controlled by the control server 300 out of the power storage devices 120 under management is equal to or more than a certain value.
- the predetermined threshold value may be set such that the total remaining power of the power storage devices of the power storage devices 120 under management, for which the control server 300 permits the charge / discharge control, is secured to a certain value or more.
- the remaining discharge capacity represents the power allocated for charge / discharge control by the control server 300 out of the rated output of the power storage device 120.
- the remaining discharge capacity indicates the amount of power allocated for charge / discharge control by the control server 300, out of the remaining storage capacity of the power storage device 120.
- the number of power storage devices for which charge / discharge control is permitted, the total rated output of the power storage devices for which charge / discharge control is permitted, and the total remaining discharge capacity of power storage devices for which charge / discharge control is permitted are determined between the O & M service provider and the aggregator. It is determined in advance by agreement of.
- the selection unit 232 may individually select the excluded power storage devices for each group.
- the power storage devices 120 under management may be grouped into a group A and a group B.
- Group A includes power storage device 120 to be controlled by control server A (aggregator A).
- Group B includes a power storage device 120 to be controlled by control server B (aggregator B).
- the selection unit 232 separately selects the excluded power storage devices in the group A and the group B.
- the power storage devices 120 under management are grouped by geographical area (for example, power jurisdiction). In such a case, the selection unit 232 selects the excluded power storage devices separately in the geographical area.
- the notification unit 233 notifies the control server 300 that the charge / discharge control for the excluded power storage device selected by the selection unit 232 is not possible.
- the notification unit 233 sets the external control prohibition setting information in the excluded power storage device.
- the external control prohibition setting information indicates that charge / discharge control by the control server 300 is prohibited.
- notification unit 233 notifies that charging / discharging control for the excluded power storage device is not possible.
- notification unit 233 transmits a message including external control setting information (“prohibited”) to the excluded power storage device.
- the selection unit 232 may perform the reselection of the excluded power storage device at a predetermined cycle (for example, every month, every six months, every year).
- the selection unit 232 periodically replaces the power storage device 120 selected as the excluded power storage device.
- the notification unit 233 may set external control prohibition setting information (“permission”) for the power storage device 120 whose selection as the excluded power storage device has been canceled.
- the external control prohibition setting information (“permission”) indicates that charge / discharge control by the control server 300 is permitted.
- the determination unit 234 may allow the control server 300 to perform the charge / discharge control for the power storage device 120 selected as the excluded power storage device only in a specific time zone. Specifically, determination unit 234 determines a specific time period in which charge / discharge control by control server 300 is permitted for the excluded power storage device selected by selection unit 232. It is assumed that the determination unit 234 performs the charge / discharge control for adjusting the power supply and demand balance of the power system by the control server 300. In this case, the determination unit 234 determines the specific time zone based on the information indicating the necessity of the adjustment in each time zone. The information indicating the necessity of the adjustment may be a reward (incentive) obtained by participating in the VPP control.
- the determination unit 234 determines a time zone in which it is highly necessary to adjust the power supply / demand balance (that is, a time zone in which the reward is high) as a specific time zone in which the control server 300 permits the charge / discharge control.
- the notification unit 233 notifies the control server 300 that charging / discharging control for the excluded power storage device is permitted in a specific time zone.
- the notification unit 233 may set external control prohibition setting information (“permission”) in a specific time zone.
- the external control prohibition setting information (“permission”) indicates that charge / discharge control by the control server 300 is permitted.
- the determination unit 234 sets a time period in which the power storage device is estimated to be unlikely to deteriorate based on the temperature information (such as the outside air temperature) for the excluded power storage device as a specific time period in which the control server 300 permits the charge / discharge control. You may decide.
- the time zone in which the power storage device is not likely to deteriorate is a time zone in which the temperature corresponding to the excluded power storage device is equal to or lower than a predetermined value.
- FIG. 5 is a diagram illustrating an example of an operation sequence in the management system 1 according to the present embodiment.
- each of the power storage devices 120 of the facilities 100A to 100C transmits a message to the management server 200.
- the message includes power storage device information related to its own deterioration.
- the power storage device information may be at least one deterioration factor parameter of SOC (State of Charge), temperature, and charge / discharge power.
- the power storage device information may be information indicating the usage status of the power storage device 120.
- step S104 the management server 200 specifies the degree of deterioration of each power storage device 120 based on the power storage device information received from each power storage device 120. Furthermore, the management server 200 selects an exclusion power storage device based on the specified degree of deterioration.
- the description proceeds on the assumption that the power storage device 120 of the facility 100A is selected as the excluded power storage device.
- step S105 the management server 200 sets the external control setting information (“prohibited”) for the power storage device 120 of the facility 100A as the excluded power storage device.
- the external control setting information (“prohibited”) indicates that charge / discharge control by the control server 300 is prohibited.
- FIG. 6 is a diagram illustrating an example of external control setting information set in power storage device 120.
- FIG. 6 shows an example in which external control setting information is set in a format conforming to ECHONET Lite.
- the external control setting information is added as new setting information of the power storage device 120 (referred to as “property”).
- the property name is “external control setting”
- the index (EPC) of “external control setting” is “0x **”.
- the “external control setting” can take values of “0x41” (permitted) and “0x42” (prohibited).
- the “access rule” indicates which of “Set” that can be set from the EMS 140 and “Get” that can be inquired from the EMS 140 is applied. “Set” is not applied to “external control setting”, and only “Get” is applicable. That is, the EMS 140 can check the “external control setting” by inquiring the power storage device 120, but cannot set or change the content.
- step S106 the EMS 140 of the facility 100A transmits a Get message inquiring about “external control setting” to the power storage device 120 of the facility 100A.
- the Get message includes “0x **” which is an EPC of “external control setting”.
- step S107 power storage device 120 of facility 100A transmits a Get response message including “external control setting” to EMS 140 of facility 100A in response to the Get message.
- the Get response message includes “0x **”, which is the EPC of “external control setting”, and “0x42” (prohibited), which is the setting content.
- step S108 the EMS 140 of the facility 100A transmits the message to the control server 300 in response to the “external control setting” being set to “0x42” (prohibited) in the Get response message.
- the message includes information indicating that charge / discharge control by the control server 300 for the power storage device 120 of the facility 100A is prohibited.
- the message may include information indicating that power storage device external control is not possible, and the identifier of facility 100A or the identifier of power storage device 120 of facility 100A.
- control server 300 recognizes that charge / discharge control of power storage device 120 of facility 100A is impossible (prohibited) in response to the message from EMS 140. At this time, control server 300 excludes facility 100A (power storage device 120) from VPP control targets.
- step S110 the control server 300 selects the facility 100 to be subjected to VPP control in response to a request from the host server 400.
- the control server 300 selects the power storage device 120 to be controlled after excluding the excluded power storage device from the facilities 100 (power storage devices 120) under its control.
- the description proceeds assuming that power storage device 120 of facility 100B has been selected.
- step S111 the control server 300 transmits a power flow control message or a reverse power flow control message to the EMS 140 of the facility 100B.
- the power flow control message is a message requesting control of the power flow.
- the reverse power flow control message is a message requesting control of the reverse power flow.
- the management server 200 specifies each SOH of the power storage device 120 under management.
- the management server 200 selects an excluded power storage device from the power storage devices 120 under management based on the specified SOH.
- the excluded power storage device is a power storage device that is excluded from a target of charge / discharge control by the control server 300.
- the management server 200 notifies the control server 300 that charging / discharging control for the selected excluded power storage device is not possible. Accordingly, even when the control server 300 performs the integrated control of the power storage device 120 without considering the deterioration, it is possible to prevent the deterioration of only some of the power storage devices from being advanced quickly.
- FIG. 7 is a diagram illustrating an example of changing the communication channel configuration in the management system 1 according to the present embodiment.
- FIG. 7 is a diagram illustrating an example of changing the communication channel configuration in the management system 1 according to the present embodiment.
- a direct communication path is not established between the control server 300 and the EMS 140.
- direct communication paths are established between the control server 300 and the management server 200, and between the management server 200 and the EMS 140. Further, a direct communication path has not been established between the management server 200 and the power storage device 120.
- the communication between the management server 200 and the control server 300 and the communication between the management server 200 and the EMS 140 may use a protocol based on OpenADR 2.0 or a unique dedicated protocol.
- the management server 200 performs protocol conversion between the control server 300 and the EMS 140. For example, the management server 200 receives a control message of OpenADR2.0 from the control server 300. In such a case, the management server 200 converts the format of the received control message into a unique dedicated protocol and transmits the converted message to the EMS 140.
- the management server 200 remotely monitors the power storage device 120 via the EMS 140.
- the management server 200 performs a process for avoiding the deterioration of some of the plurality of power storage devices 120 under its management from progressing quickly, as in the above-described embodiment.
- management server 200 selects an exclusion power storage device to be excluded from the target of charge / discharge control by control server 300 based on the degree of deterioration of each power storage device 120 under its management.
- the management server 200 notifies the control server 300 that charging / discharging control for the selected excluded power storage device is not possible.
- the management server 200 has a direct communication path with the control server 300. Therefore, the management server 200 can directly notify the control server 300.
- the notification may be, for example, an OpenADR2.0 report message.
- the message may include information indicating that power storage device external control is not possible and an identifier of the excluded power storage device or an identifier of a facility having the excluded power storage device.
- FIG. 8 is a diagram showing an example of an operation sequence in the management system 1 according to the present modification.
- each of the power storage devices 120 of the facilities 100A to 100C notifies the management server 200 of the message via the corresponding EMS 140.
- the message includes power storage device information related to its own deterioration.
- step S205 the management server 200 specifies the degree of deterioration of each power storage device 120 based on the power storage device information of each power storage device 120. Furthermore, the management server 200 selects an exclusion power storage device based on the specified degree of deterioration.
- the description proceeds on the assumption that the power storage device 120 of the facility 100A is selected as the excluded power storage device.
- step S206 the management server 200 transmits a message to the control server 300.
- the message includes information indicating that the charge / discharge control by the control server 300 is prohibited.
- the message may include information indicating that power storage device external control is not possible, and the identifier of power storage device 120 of facility 100A or the identifier of facility 100A.
- step S207 the control server 300 recognizes that charging / discharging control of the power storage device 120 of the facility 100A is impossible (prohibited) in response to the message from the management server 200. Further, control server 300 excludes facility 100A (power storage device 120) from VPP control targets.
- step S208 the control server 300 selects the facility 100 to be subjected to VPP control in response to a request from the host server 400.
- the control server 300 selects the power storage device 120 to be controlled after excluding the excluded power storage device from the facilities 100 (power storage devices 120) under its control.
- the description proceeds assuming that power storage device 120 of facility 100B has been selected.
- step S209 the control server 300 transmits a power flow control message or a reverse power flow control message requesting reverse power flow control to the EMS 140 of the facility 100B.
- the power flow control message is a message requesting control of the power flow.
- the reverse power flow control message is a message requesting control of the reverse power flow.
- the management server 200 has the database 210, but is not limited to this.
- the database 210 may be a cloud server provided on the Internet.
- the EMS 140 does not necessarily have to be provided in the facility 100.
- some of the functions of the EMS 140 may be provided by a cloud server provided on the Internet. That is, it may be considered that the EMS 140 includes a cloud server.
Abstract
Description
図1は、本実施形態に係る管理システム1の構成を示す図である。
図3は、本実施形態に係る蓄電装置120の構成を示す図である。
図4は、本実施形態に係る管理サーバ200の構成を示す図である。
図5は、本実施形態に係る管理システム1における動作シーケンスの一例を示す図である。
本実施形態によれば、管理サーバ200は、管理下の蓄電装置120のそれぞれのSOHを特定する。管理サーバ200は、特定されたSOHに基づいて、管理下の蓄電装置120の中から除外蓄電装置を選択する。除外蓄電装置とは、制御サーバ300による充放電制御の対象から除外する蓄電装置である。更に、管理サーバ200は、選択された除外蓄電装置に対する充放電制御が不可である旨を制御サーバ300に通知する。これにより、制御サーバ300が劣化を考慮せずに蓄電装置120の統合制御を行う場合であっても、一部の蓄電装置だけ劣化が早く進んでしまうことを回避可能とすることができる。
図7は、本実施形態に係る管理システム1における通信路構成の変更例を示す図である。以下において、上述の実施形態との相違点について説明する。
上述の実施形態では特に触れていないが、除外蓄電装置に対する制御サーバ300による充放電制御が禁止された場合であっても、除外蓄電装置に対してEMS140が自発的に行う充放電制御は許可されてもよい。或いは、除外蓄電装置に対する制御サーバ300による充放電制御が禁止された場合、EMS140が自発的に行う充放電制御も禁止されてもよい。
Claims (13)
- 制御サーバによる充放電制御の対象に含まれる複数の蓄電装置に対する保守管理を行う少なくとも1つのプロセッサを備え、
前記少なくとも1つのプロセッサは、
前記複数の蓄電装置のそれぞれの劣化度を特定する特定処理と、
前記特定処理により特定された前記劣化度に基づいて、前記複数の蓄電装置の中から、前記制御サーバによる充放電制御の対象から除外する除外蓄電装置を選択する選択処理と、
前記選択処理により選択された前記除外蓄電装置に対する充放電制御が不可である旨を前記制御サーバに通知する通知処理と、を実行する管理サーバ。 - 前記通知処理は、前記制御サーバによる充放電制御を禁止することを示す禁止設定情報を前記除外蓄電装置又は前記除外蓄電装置の制御装置に設定することにより、前記不可である旨の通知を行う処理を含む、請求項1に記載の管理サーバ。
- 前記選択処理は、前記複数の蓄電装置のうち前記除外蓄電装置が占める割合又は前記除外蓄電装置の数を所定閾値以下に維持しつつ、前記複数の蓄電装置の中から少なくとも1つの除外蓄電装置を選択する処理を含む、請求項1又は2に記載の管理サーバ。
- 前記選択処理は、前記複数の蓄電装置のうち前記制御サーバによる充放電制御を許可する蓄電装置の数を一定数以上担保するように前記所定閾値を設定する処理を含む、請求項3に記載の管理サーバ。
- 前記選択処理は、前記複数の蓄電装置のうち前記制御サーバによる充放電制御を許可する蓄電装置の合計の定格出力を一定値以上担保するように前記所定閾値を設定する処理を含む、請求項3に記載の管理サーバ。
- 前記選択処理は、前記複数の蓄電装置のうち前記制御サーバによる充放電制御を許可する蓄電装置の合計の放電余力を一定値以上担保するように前記所定閾値を設定する処理を含み、
前記放電余力は、蓄電装置の定格出力のうち前記制御サーバによる充放電制御のために割り当てられた電力、又は蓄電装置の蓄電残量のうち前記制御サーバによる充放電制御のために割り当てられた電力量を表す、請求項3に記載の管理サーバ。 - 前記選択処理は、経年時間に対する目標劣化度の関係を表す経年劣化速度に基づいて、前記複数の蓄電装置のそれぞれについて経年時間に対応する目標劣化度を特定する処理と、前記特定された劣化度と前記目標劣化度との比較結果に基づいて、前記複数の蓄電装置の中から前記除外蓄電装置を選択する処理と、を含む請求項1乃至6のいずれか1項に記載の管理サーバ。
- 前記特定処理は、前記複数の蓄電装置のそれぞれについて、SOC(State of Charge)、温度、及び充放電電力の少なくとも1つを含む劣化要因パラメータを監視する処理と、前記監視している劣化要因パラメータに基づいて前記複数の蓄電装置のそれぞれの推定劣化度を特定する処理と、を含む請求項1乃至7のいずれか1項に記載の管理サーバ。
- 前記選択処理は、前記複数の蓄電装置がグループ分けされている場合に、前記除外蓄電装置の選択をグループごとに個別に行う処理を含む、請求項1乃至8のいずれか1項に記載の管理サーバ。
- 前記選択処理により選択された前記除外蓄電装置について、前記制御サーバによる充放電制御を許可する特定時間帯を決定する決定処理をさらに備え、
前記通知処理は、前記除外蓄電装置に対する充放電制御が前記特定時間帯において許可される旨を前記制御サーバに通知する処理を含む、請求項1乃至9のいずれか1項に記載の管理サーバ。 - 前記決定処理は、前記制御サーバが電力系統の電力需給バランスを調整するための充放電制御を行う場合に、各時間帯における前記調整の必要性の高さを表す情報に基づいて前記特定時間帯を決定する処理を含む、請求項10に記載の管理サーバ。
- 制御サーバによる充放電制御の対象に含まれる複数の蓄電装置に対する保守管理を行う少なくとも1つのプロセッサを備え、
前記少なくとも1つのプロセッサは、
前記複数の蓄電装置のそれぞれの劣化度を特定する特定処理と、
前記特定処理により特定された前記劣化度に基づいて、前記複数の蓄電装置の中から、前記制御サーバによる充放電制御の対象から除外する除外蓄電装置を選択する選択処理と、
前記選択処理により選択された前記除外蓄電装置に対する充放電制御が不可である旨を前記制御サーバに通知する通知処理と、を実行する管理システム。 - 制御サーバによる充放電制御の対象に含まれる複数の蓄電装置に対する保守管理を行うことを備え、
前記保守管理を行うことは、
前記複数の蓄電装置のそれぞれの劣化度を特定する特定することと、
前記特定された前記劣化度に基づいて、前記複数の蓄電装置の中から、前記制御サーバによる充放電制御の対象から除外する除外蓄電装置を選択する選択することと、
前記選択された前記除外蓄電装置に対する充放電制御が不可である旨を前記制御サーバに通知する通知することと、を備える管理方法。
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EP3817184A4 (en) | 2022-03-30 |
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EP3817184A1 (en) | 2021-05-05 |
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