WO2018147218A1 - Système d'alimentation électrique dans lequel une pluralité de batteries rechargeables sont commandées à distance par groupes et procédé d'alimentation électrique - Google Patents

Système d'alimentation électrique dans lequel une pluralité de batteries rechargeables sont commandées à distance par groupes et procédé d'alimentation électrique Download PDF

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Publication number
WO2018147218A1
WO2018147218A1 PCT/JP2018/003775 JP2018003775W WO2018147218A1 WO 2018147218 A1 WO2018147218 A1 WO 2018147218A1 JP 2018003775 W JP2018003775 W JP 2018003775W WO 2018147218 A1 WO2018147218 A1 WO 2018147218A1
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Prior art keywords
power
control
unit
power supply
demand
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PCT/JP2018/003775
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English (en)
Japanese (ja)
Inventor
小林　輝夫
響 阿部
行平 岡田
宏明 平尾
玄香 楠
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Ｓｂエナジー株式会社
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Publication of WO2018147218A1 publication Critical patent/WO2018147218A1/fr

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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
    • 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
    • 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
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • 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
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • 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
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • 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
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
    • 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
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles
    • Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
    • 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
    • Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • 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
    • Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
    • 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
    • Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • Y04S10/126—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
    • 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
    • Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • 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
    • Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/12—Remote or cooperative charging
    • 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
    • Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Definitions

  • the present invention relates to an electric power supply system and an electric power supply method for supplying electric power through an electric power system connected to a power plant and simultaneously performing group control of a plurality of storage batteries.
  • VPP Virtual Power
  • energy creation using renewable energy power generation facilities
  • energy storage using storage batteries
  • Integrated control using energy management technology that makes full use of communication technology. For example, when there is surplus electricity due to an increase in power generation at the power generation facility, it is possible to increase the charge to each storage battery and increase demand, and when power demand is tight, use electricity discharged from the storage battery, Demand can be reduced by implementing demand response that suppresses consumption.
  • this VPP can be expected to provide benefits such as expanded introduction of renewable energy, further energy saving, and promotion of load leveling.
  • Patent Document 1 there is an energy management system disclosed in Patent Document 1.
  • regions and towns to which power is supplied are managed by grouping each layer according to a theoretical hierarchical structure based on each distribution system constituting the distribution network.
  • Implement energy management such as applying an optimal load according to changes in the amount of power generated by light and wind power.
  • the output control of renewable energy power generation eliminates the original merits of renewable energy power generation, such as reduction of power generation costs and CO2 emissions, and goes against the social demand for the spread of renewable energy. Is.
  • the present invention solves the above-mentioned problems, avoids the suppression of the output of renewable energy power generation, performs group control of a plurality of storage batteries from a remote location, and suppresses demand in the grid as power plant operation reserve. It is an object of the present invention to provide a power supply system and a power supply method capable of effectively using renewable energy by sharing power storage facilities scattered in the area.
  • the present invention is a power supply system that supplies power through an electric power system connected to first and second power plants, and remotely controls a plurality of storage batteries.
  • a plurality of power storage devices connected to the power system and installed for each power demand unit; and A plurality of control devices that are provided for each demand unit and control charging of each power storage device or discharging from the power storage device to a load in each demand unit;
  • a control instruction acquisition unit for acquiring a control instruction for instructing adjustment of power supply, which is sent from the first power plant to the second power plant;
  • a management database that stores information related to the plurality of control devices by classifying and storing each control device in a predetermined group according to the attribute;
  • a group management unit that creates a schedule for charging or discharging the storage battery in units of the predetermined group by referring to the management database according to the content of the control instruction, and performs control according to the schedule.
  • the present invention is a power supply method for supplying power through a power system connected to the first and second power plants, A plurality of power storage devices installed for each power demand unit are connected to the power system, and charging of each power storage device or discharging from the power storage device to a load in each demand unit is controlled for each demand unit.
  • Installing a control device to perform Categorizing each control device into a predetermined group according to the attribute of the information related to the plurality of control devices and storing the information in a management database; Obtaining a control instruction instructing adjustment of power supply, which is sent from the first power station to the second power station, in a control instruction obtaining unit;
  • a group management unit refers to the management database according to the content of the control instruction, creates a schedule for charging or discharging the storage battery in the predetermined group unit, and performing control according to the schedule It is characterized by that.
  • a plurality of power storage devices installed for each power demand unit are assigned to a predetermined group unit.
  • a schedule for charging or discharging the storage battery and to perform control remotely according to the schedule.
  • a plurality of scattered storage batteries can be used as if they were one or more huge storage batteries.
  • control device further has a function of notifying the group management unit of the status of charging and discharging of each power storage device provided in each demand unit as performance information, and the group management unit includes the control It is preferable that performance information from the apparatus is accumulated in the management database, and control is performed in units of the predetermined group based on the accumulated performance information. In this case, it is possible to perform control by creating a detailed schedule reflecting the record information of charging and discharging of each power storage device.
  • a priority is assigned to each group, and the group management unit re-executes the aggregation based on performance information and performs control in units of groups. It is preferable to have. In this case, by recalculating the schedule according to the priority of each group, a more detailed schedule reflecting the actual situation can be created and controlled.
  • the attribute includes a category corresponding to a charge / discharge speed capability of each power storage device, and the group management unit performs the control based on a charge / discharge amount per unit time of each power storage device. It is preferable. In this case, it is possible to create a schedule that matches the time required for charging and discharging according to the content of the control instruction.
  • the logic is based on prediction and real-time correction in consideration of conditions such as time zone, residence type, past power usage status, current power usage status, weather, rechargeable battery availability, and charging speed.
  • Grouping is performed, thereby enabling efficient resource allocation. Moreover, it is not limited to regional grouping, and individual storage batteries and individual power plants can be freely and grouped. Furthermore, group control may be performed by regarding a plurality of storage batteries scattered in a region as if they were one to a plurality of huge storage batteries and regarding one or a plurality of huge storage batteries as a plurality of small storage batteries. In addition, by performing various groupings freely, it is possible to supply power that meets the requirements of the region.
  • FIG. 1 is a conceptual diagram illustrating an overall configuration of a power supply system according to the present embodiment
  • FIG. 2 is a block diagram illustrating an internal configuration of each device configuring the power supply system according to the present embodiment.
  • FIG. 3 is a block diagram showing the configuration and operation of the power supply system according to this embodiment.
  • the power supply system is a power supply system that supplies power to each demand unit through a power system connected to the first and second power plants.
  • the resource energy utilization power plant operated by the electric power company 2 as the first power plant and the renewable energy power plant such as mega solar operated by the power generation company 3 as the second power plant are included.
  • the demand unit 5 includes a large-scale facility 54 and a medium-scale facility 51 equipped with an industrial power storage system, a general house 52 equipped with a residential power storage system, and an electric vehicle (EV: Electric Vehicle).
  • EV Electric Vehicle
  • An EV power station 53 having 531 is included.
  • an aggregator 4 that manages the power generation company 3 and each demand unit 5 in an integrated manner is arranged.
  • the aggregator 4 acquires output control from the power company 2 that operates the first power plant, and the aggregator
  • the power storage control for the demand unit 5 and the output control for the power generation company 3 are performed by the management system 4.
  • the electric power company 2 supplies power by resource energy power generation such as thermal power generation, and predicts the power consumption of the next day, and when there is a possibility that sudden fluctuations in power demand may occur.
  • Output control for restricting power supply is distributed to the power generation company 3.
  • the aggregator 4 receives the output control that the conventional power generation company 3 has directly received from the power company 2, and the capacity V1 that requires output control is the capacity that is required for output control by the power storage control of this system.
  • the capacity V2 that is a part of V1 is borne by each power storage device in the system, and the remaining capacity V3 minus the capacity V2 is subtracted from the aggregator 4 to the power generation company 3 as rewritten output control.
  • the aggregator 4 controls the storage battery in the system in advance so as to ensure that it can absorb the amount of power generated by the next day's sunlight according to the contents of the output control V1 from the power company 2.
  • the power company 2 includes a power server 21, and the power generation of the power company 2 is managed by the power server 21.
  • the power server 21 is connected to the aggregator 4 via the communication network 63.
  • the aggregator 4 includes an aggregator system server 41 and a power storage system server 42.
  • the aggregator system server 41 is connected to the power server 21 of the power company via the communication network 63.
  • the aggregator system server 41 is connected to the power generation company 3 via the communication network 61.
  • the power generation company 3 includes a solar power generation panel 32 and a monitoring terminal 31 that controls and manages the solar power generation panel 32.
  • the storage system server 42 of the aggregator 4 is connected to each control unit of each demand unit 5 via the communication network 62.
  • the photovoltaic power plant of the power generation company 3 and the demand units 51 to 54 are connected to the power system 60 of the power company 2, and the power company 2 and the power generation company 3 Electric power is supplied to each demand unit 5.
  • Data relating to control is transmitted from the electric power company 2 through the aggregator system to the power generator 3 and the control device of each demand unit 5, and information from the power generator 3 and the demand unit 5 is accumulated in the aggregator 4. It has become so.
  • module refers to a functional unit that is configured by hardware such as an apparatus or a device, software having the function, or a combination thereof, and achieves a predetermined operation. .
  • the aggregator 4 includes the aggregator system server 41 and the power storage system server 42.
  • the aggregator system server 41 includes a control instruction schedule download unit 411, a schedule rewrite unit 412, a data acquisition unit 413, a management database 414, a charge / discharge instruction unit 415, and an analysis unit 416.
  • the storage system server 42 is a server device that performs control according to the schedule generated by the aggregator system server 41, and includes a data acquisition unit 421 and a storage battery control unit 422.
  • the control instruction schedule download unit 411 acquires, on behalf of the power generation company 3, a control instruction sent from the power company 2 that is the first power plant to the power generation company 3 that is the second power plant. It is an instruction acquisition unit, and specifically downloads a control instruction schedule from the power server 21 periodically. The downloaded control instruction schedule is transferred to the analysis unit 416.
  • the data acquisition unit 413 on the aggregator system server 41 side is a module that acquires the power generation status of the power generation company 3 that is the management target as power generation result information, and the result information acquired by the data acquisition unit 413 is: Accumulated in the management database 414.
  • the data acquisition unit 421 on the power storage system server 42 side is a module that acquires, as performance information, the state of charging and discharging of each power storage device provided in each demand unit, and is acquired by this data acquisition unit 413. The performance information is accumulated in the management database 414.
  • the management database 414 is a management database that stores information related to a plurality of control devices by classifying the control devices into predetermined groups according to their attributes. In the management database 414, priority is given to each group, and the attribute of each demand unit includes a category according to the charge / discharge speed capability of each power storage device. As shown in FIG. 3, the data stored in the management database 414 includes a schedule information DB 414a for a power plant, a schedule information DB 414c for each demand unit, a block ID DB 414d for a group, a site master DB 414e, and each demand. A storage battery master DB 414f and a product master DB 423h, which are information on storage batteries and equipment provided in the unit, are included. The site master DB 414e and the storage battery master DB 414f can be managed from the master management screen 415a.
  • the data accumulated in the management database 414 considers conditions such as time zone, residence type, past power usage status, current power usage status, weather, rechargeable battery availability, and charging speed. Logical grouping and priority are given by prediction and correction in real time, thereby enabling efficient resource allocation.
  • these data are not limited to regional groupings, and individual storage batteries and individual power plants can be freely grouped into multiple groups. It can be regarded as one or a plurality of huge storage batteries, and one or a plurality of huge storage batteries can be regarded as a plurality of scattered small storage batteries to perform group control, and various groupings can be freely performed. ing.
  • the management database 414 includes a power plant performance DB 414b and a storage battery performance DB 414g that accumulate performance information uploaded from the power plant to be managed and the demand unit.
  • the analysis unit 416 refers to the management database 414 according to the content of the control instruction, creates a schedule for charging or discharging the power storage device in a predetermined group unit, and selects control according to the schedule. Module to perform. Specifically, the analysis unit 416 aggregates the record information accumulated in the management database 414 and performs analysis based on the collected record information. This analysis is executed according to a predetermined application logic 416a, and the schedule rewriting unit 412 rewrites the schedule based on the analysis result.
  • the schedule rewriting unit 412 is a module that rewrites the schedule based on the analysis result by the analysis unit 416, and delivers the rewritten schedule to the charge / discharge instruction unit 415. In the present embodiment, the analysis unit 416 performs control based on the charge / discharge amount per unit time of each power storage device.
  • the analysis unit 416 acquires the photovoltaic power generation facility information and the storage battery facility information accumulated in the management database 414, refers to the setting items included in these information, and instructs each facility. To execute control.
  • the photovoltaic power generation facility information includes priority, presence / absence of additional services, guaranteed capacity, and area code
  • the power storage facility information includes an aggregator control target, an area code, and a group ID.
  • the total guaranteed capacity of the target area and the status of the storage battery are confirmed.
  • the allocation of the guaranteed capacity from the total capacity is performed in the order of the storage battery groups in the order of the additional service setting and the priority order.
  • the remainder is distributed to the whole in order of priority.
  • priority is given to the group, and a storage battery with a higher priority is selected for the guaranteed part, and storage batteries 1 to 3 are used for the base part. Are allocated sequentially.
  • the solar power generation facility 3 is in a state where it cannot be instructed because there is no remaining storage capacity, and the solar power generation facility 4 has no storage battery with the same area code. The instruction cannot be given. Examples of storage battery sorting by such analysis are shown in FIGS.
  • the analysis unit 416 has a recalculation function that re-executes aggregation based on the result information and performs control in units of groups, and based on this recalculation, the schedule rewriting unit 412 schedules Let me rewrite
  • the charge / discharge instruction unit 415 controls each storage battery through the storage battery control unit 422 of each storage system server 42 based on the schedule generated by the schedule rewriting unit 412.
  • the storage battery control unit 422 is a module that sends a control instruction to the control unit of each demand unit through the communication network 62 according to the charge / discharge instruction unit 415.
  • the solar power plant of the power generation company 3 as the second power plant is a solar power plant in this embodiment, and in the example shown in FIG. 31, a solar panel (PV: Photovoltaic) 32, a power conditioner (PCS: Power Conditioning System) 33, and a cubicle 34.
  • PV Photovoltaic
  • PCS Power Conditioning System
  • the monitoring terminal 31 acquires the control instruction d11 from the aggregator system server 41 and controls on / off of power generation and the amount of power generation according to the control instruction schedule, and the aggregator system server uses the actual power generation result as performance information d12.
  • 41 is a control device that transmits to 41.
  • the photovoltaic power generation panel 32 is a power generation device that directly converts sunlight into electric power using a solar cell, and can control the power generation on / off and the power generation amount by the control by the monitoring terminal 31.
  • the power conditioner 33 is a transformer that converts electricity generated by the photovoltaic power generation panel 32 so that it can be used in an environment such as a home, and converts the direct current flowing from the photovoltaic power generation panel 32 into alternating current.
  • the cubicle 34 is a substation facility that transforms electricity received from the power conditioner 33 into a predetermined voltage and supplies it to each demand unit through the power system 60.
  • the general house 52 is a general household-scale demand facility equipped with photovoltaic power generation facilities.
  • EIG energy measurement display unit
  • PLC power line communication
  • PV photovoltaic panel
  • PCS power conditioners
  • the control device 521 is a module that manages and controls power generation, power storage, and power consumption load in each home.
  • the control device 521 is provided for each demand unit (here, each home) and charges the storage battery 523 or discharges from the power storage device to each load.
  • Control The control device is connected to the storage system server 42 through the communication network 62, and transmits / receives data to / from the storage system server 42 through the communication network 62.
  • the control apparatus receives instruction control from the storage system server 42. Or send performance information at home.
  • the control device 521 transmits control signals to the EIG 52b and the PLC 52c through the HUB 52a and collects information from the EIG 52b and the PLC 52c.
  • the storage battery 523 is a power storage device that can store and use electricity, and can repeatedly charge and discharge. Here, it is connected to the distribution board 522 and the control device 521 via the power conditioner 52e, and according to the control of the control device 521, input / output to the distribution board 522 is switched, and charging / discharging is controlled.
  • the power conditioner 52d is a transformer that converts electricity generated by the photovoltaic power generation panel 52c so that it can be used in a general household environment.
  • the power conditioner 52e converts the electricity charged and discharged by the storage battery 523 into the general household environment.
  • the distribution board 522 is a device that houses various circuit breakers such as a circuit breaker and earth leakage breaker, a watt hour meter (power meter), a remote control relay, a timer, and other control devices such as the PCS 52d and 52e, the power system 60, and the like.
  • the main line supplied from is divided into branch breakers and distributed to in-house loads.
  • the energy measurement display unit (EIG: Energy Intelligent Gateway) 52b is a device that measures and manages the power generation and consumption status of the entire facility.
  • the power line communication (PLC) 52c is a facility that communicates using a power line, and transmits / receives data to / from the power conditioner 52e and the control device 521 through an existing power line, and uses power and generates power. The amount is notified to the storage system server 42 through the control device 521.
  • the solar panel (PV: Photovoltaic) 52 c is a household solar power generation facility, and the generated power is supplied to the power consumption load 524 through the distribution board 522 based on the control by the control device 521.
  • the EV power station 53 is a facility having an EV power station for charging an electric vehicle (EV).
  • V2H Vehicle to Home
  • a distribution board 532 a distribution board 532
  • EV electric vehicle
  • the control device 531 is a module that manages and controls the power generation in each household, the storage of the electric vehicle, and the power consumption load.
  • the control device 531 is provided for each demand unit (here, each household) and charges the electric vehicle 533 that is the storage device. Alternatively, discharge control for each load from the power storage device is performed.
  • the control device 531 is connected to the power storage system server 42 through the communication network 62, transmits / receives data to / from the power storage system server 42 through the communication network 62, and receives instruction control from the power storage system server 42, for example. Or the usage status and power storage status of the electric vehicle 533 and performance information in each home are transmitted.
  • the control device 531 transmits a control signal to the relay box 53d through the wireless router 53a and the transmission / reception unit 53c, and collects information from the relay box 53d.
  • the transmission / reception unit 53c is a data relay that interconnects the relay box 53d, the indoor remote controller 53b, and the control device 531, and transmits control by the control device 531 and remote operation by the indoor remote control 53b to the relay box 53d.
  • the power feeding device 53e is a device that supplies power from the power system 60 to the electric vehicle 533 and also supplies power from the electric vehicle 533 to the power consumption load 534 in the house.
  • the electric vehicle 533 is a vehicle that runs on electric power, and is equipped with a storage battery. Electricity can be stored in the storage battery or the stored electric power can be used at home.
  • it is connected to the distribution board 522 and the control device 521 via the power supply device 53e, and the input / output to the distribution board 522 is switched according to the control of the control device 521, and charging / discharging of the on-board storage battery is controlled. .
  • the distribution board 532 is a device that houses various circuit breakers such as a circuit breaker and earth leakage circuit breaker, a watt hour meter (power meter), a remote control relay, a timer, and other control devices, such as a power feeding device 53e and a power system 60.
  • the main line supplied from is divided into branch breakers and distributed to in-house loads.
  • the medium-scale facility 51 is a medium-scale demand facility and includes a control device 511, a storage battery 513, and a distribution board 512 in the example shown in FIG.
  • the control device 511 is a module that manages and controls power generation, power storage, and power consumption load in the facility, and controls charging of the storage battery 513 or discharging from the power storage device to each load.
  • the control device 511 is connected to the power storage system server 42 through the communication network 62, transmits / receives data to / from the power storage system server 42 through the communication network 62, and receives instruction control from the power storage system server 42, for example. Or send performance information in the facility.
  • the control device 511 collects information from the storage battery 513 while transmitting a control signal to the storage battery 513.
  • the storage battery 513 is a medium-scale power storage device that can store and use electricity.
  • the storage battery 513 has a built-in power conditioner (PCS) that converts the stored electricity so that it can be used in a general household environment.
  • the power can be output to the distribution board 512.
  • the distribution board 512 is a device that houses various circuit breakers such as a circuit breaker and earth leakage circuit breaker, a watt hour meter (power meter), a remote control relay, a timer, and other control devices.
  • the supplied main line is subdivided by a branch breaker and distributed to the load in the facility.
  • the large-scale facility 54 is a large-scale demand facility.
  • EMS energy management system
  • FBCS Front Battery Control System
  • 54c a power conditioner (PCS: PowerdConditioning System) 54d, a distribution board 542, and a plurality of storage batteries 543.
  • PCS PowerdConditioning System
  • the control device 541 is a module that manages and controls power generation, power storage, and power consumption load in the facility, and controls charging of a plurality of storage batteries 543 or discharging from the power storage device to each load.
  • the control device 541 is connected to the storage system server 42 through the communication network 62, and transmits / receives data to / from the storage system server 42 through the communication network 62, for example, receives instruction control from the storage system server 42. Or send performance information in the facility.
  • the control device 541 transmits control signals to the EMS 54b and the FBCS 54c through the HUB 54a and collects information from the EMS 54b and the FBCS 54c.
  • the EMS 54b is an energy management system in the facility
  • the FBCS 54c is a facility that comprehensively manages and controls the storage battery group and the PCS.
  • the storage battery 543 is a plurality of power storage devices that can store and use electricity, and is controlled centrally by the EMS 54b and the FBCS 54C, and can be repeatedly charged and discharged.
  • it is connected to the distribution board 542 and the control device 541 via the power conditioner 54d, and according to the control of the control device 541, input / output to the distribution board 542 is switched, and charging / discharging is controlled.
  • the power conditioner 54d is a transformer that converts electricity stored in the storage battery 543 so that it can be used in the environment of the facility.
  • the distribution board 542 is a device that accommodates various circuit breakers such as a circuit breaker and earth leakage breaker, a watt hour meter (power meter), a remote control relay and a timer, and is supplied from the PCS 54d, the power system 60, and the like.
  • the main line is divided into branch breakers and distributed to the loads in the house.
  • control instruction schedule download unit 411 acquires a control instruction sent from the power company 2 as the first power plant to the power generation company 3 (S01). Acquisition of the control instruction by the control instruction schedule download unit 411 is executed based on the aggregation logic.
  • the control instruction from the electric power company 2 is analyzed in real time by the aggregation logic 416a of the analysis unit 416 (S02), and a schedule for the power generation company 3 and each demand unit 5 is generated.
  • the generated power plant schedule is accumulated in the schedule information 414a, and the demand unit schedule is accumulated in the schedule information DB 414c.
  • step S03 the schedule for the power plant stored in the DB 414a is periodically (eg, every 6 seconds) converted into a control instruction d11 according to the format of each power plant by the schedule rewriting unit 412 (S031).
  • the transmission of this control instruction is executed periodically, for example, at 1 minute intervals.
  • the power generation company 3 controls the power generation equipment in real time according to the control instruction (S05), and supplies the generated power to the power system 60 (S06).
  • the monitoring terminal 31 acquires the control instruction d11 from the aggregator system server 41, and controls on / off of power generation and the amount of power generation according to the control instruction schedule.
  • the photovoltaic power generation panel 32 adjusts the on / off of power generation and the amount of power generation, converts the direct current flowing from the photovoltaic power generation panel 32 by the power conditioner 33 into alternating current, and the cubicle 34
  • the electricity is transformed to a predetermined voltage, it is supplied to each demand unit through the power system 60.
  • This power supply record is taken into the power plant record DB 414b, which is transmitted to the aggregator system server 41 as record information d12 by the monitoring terminal 31 (S032).
  • step S03 the demand unit schedule stored in the DB 414c is acquired by the power storage system server 42, and then the schedule rewriting unit 412 controls the demand unit according to the format of each demand unit (here, the CSV file format). It is converted to d21 (S033).
  • the analysis unit 416 refers to each data in the management database 414 according to the content of the control instruction, and limits the power usage amount or controls charging or discharging of the storage battery in a predetermined group unit.
  • a schedule to be executed is created and converted into a control instruction for each group. Each created control instruction is transmitted to the control device of each demand unit (S04), and each demand unit 5 that receives the control instruction d21 sets an upper limit of the power usage amount or charges each storage battery according to the control instruction. Or discharge is controlled (S05 and S06).
  • the data stored in the databases 414a to 414g and the databases 423c to 423h are referred to.
  • Data such as schedules in each of these databases are forecast and real-time considering conditions such as time zone, residence type, past power usage, current power usage, weather, rechargeable battery availability, and charging speed.
  • logical grouping and priority are given, which enables efficient resource allocation.
  • these data are not limited to regional groupings, and individual storage batteries and individual power plants can be freely grouped into multiple groups, as if there were one or more storage batteries scattered in the region.
  • Various grouping is performed, such as performing group control by regarding one or a plurality of huge storage batteries as a plurality of small storage batteries scattered.
  • the control device 521 receives the instruction control from the storage system server 42 through the communication network 62, and transmits the control signal to the EIG 52b and the PLC 52c through the HUB 52a. Manage and control the power generation, storage and power consumption load.
  • input / output with respect to the distribution board 522 is switched under the control of the control device 521, and charging / discharging is controlled.
  • the distribution board 522 finely divides a main line supplied from the PCS 52d, 52e, the power system 60, and the like with a branch breaker and distributes it to a load in the house.
  • a solar panel (PV: Photovoltaic) 52 c in the general house 52 the generated power is supplied to the power consumption load 524 through the distribution board 522 based on the control by the control device 521.
  • PV Photovoltaic
  • the power generation and consumption state of the entire facility is measured and managed by the energy measurement display unit (EIG: Energy Intelligent Gateway) 52b, and the power line communication (PLC: Power Line Communication) 52c is used through the power line.
  • Data is transmitted / received to / from the power conditioner 52e and the control device 521, and the power usage amount and the power generation amount are notified to the power storage system server 42 through the control device 521 as performance information d22.
  • the performance information d22 notified to the storage system server 42 is associated with the site master DB 423e, the storage battery master DB 423f, and the product master DB 423h, converted into a predetermined data format (S034), and stored in the storage battery performance DB 423g. .
  • the database on the power storage system server 42 side is synchronized with the database on the aggregator system server 41 side, and the data stored in each database on the power storage system server 42 side corresponds to the aggregator system server 41 side. Is reflected in each database.
  • the control device 531 receives instruction control from the power storage system server 42 through the communication network 62, and the power supply device 53e and the distribution board 532 are connected through the transmission / reception unit 53c and the relay box 53d.
  • charging / discharging by the power feeding device 53e and input / output with respect to the distribution board 522 are switched, and charging / discharging of the on-vehicle storage battery is controlled.
  • the distribution board 532 finely divides the main line supplied from the power feeding device 53e, the power system 60, and the like with a branch breaker and distributes it to the load in the house.
  • control content from the control device 531 may be displayed as a message or the like on the indoor remote controller 53b to prompt the user to perform remote operation.
  • information from the relay box 53d is collected by the control device 531 through the transmission / reception unit 53c, and is used in the aggregator system server 41 as usage status and storage status of the electric vehicle 533 and home performance information. Send.
  • the control device 511 receives instruction control from the storage system server 42 through the communication network 62, transmits a control signal directly to the storage battery 513 and the distribution board 512, and controls charging / discharging by the storage battery 513. At the same time, by switching the distribution board 512, the trunk line supplied from the storage battery 513, the power system 60, and the like is finely divided by the branch breaker and distributed to the load in the facility. At the same time, in the medium-scale facility 51, the control device 511 collects information from the relay box 53 d through the transmission / reception unit 53 c, and uses the aggregator system server as the usage status and storage status of the electric vehicle 533 and home performance information. 41.
  • the control device 541 receives instruction control from the storage system server 42 through the communication network 62, and transmits a control signal to the EMS 54b and the FBCS 54c through the HUB 54a. Under the control of the control device 541, the EMS 54b performs energy management in the facility, and the FBCS 54c comprehensively manages and controls the storage battery group and the PCS. In the storage battery 543, input / output to the distribution board 542 is switched and charging / discharging is controlled according to control by the EMS 54b and the FBCS 54C. In the distribution board 542, the main line supplied from the PCS 54d, the power system 60, etc. is finely divided by a branch breaker. Distribute to the load in the distribution facility. At the same time, in the demand unit 54, the control device 541 collects information from the EMS 54b and the FBCS 54c, and transmits the collected information to the aggregator system server 41 as performance information at the facility.
  • the aggregator 4 sets a plurality of power storage devices installed for each power demand unit. It is possible to create a schedule for charging or discharging a storage battery in units of groups and to perform control remotely according to the schedule. As a result, a plurality of scattered storage batteries can be used as if they were one or more huge storage batteries. When a sudden change in power demand occurs, the power demand for the fluctuation is It is absorbed by charging / discharging the storage battery device, and output control for the power generation company 3 can be avoided.
  • logical grouping is performed by prediction and real-time correction considering conditions such as time zone, residence type, past power usage status, current power usage status, weather, rechargeable battery availability, and charging speed. This makes it possible to efficiently allocate resources. Moreover, it is not limited to regional grouping, and individual storage batteries and individual power plants can be freely and grouped. Furthermore, group control may be performed by regarding a plurality of storage batteries scattered in a region as if they were one to a plurality of huge storage batteries and regarding one or a plurality of huge storage batteries as a plurality of small storage batteries. In addition, by performing various groupings freely, it is possible to supply power that meets the requirements of the region.
  • the output of renewable energy power generation can be avoided, and the power storage facilities scattered in the grid can be shared as demand suppression and power plant operation reserve.
  • the output control of renewable energy power generation can be utilized, and the benefits inherent in renewable energy power generation, such as reduction of power generation costs and CO 2 emissions, can be utilized to the maximum, and the spread of renewable energy Can meet social demands.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

Le problème décrit par la présente invention est d'exploiter efficacement une énergie renouvelable par suppression de la demande et partage des installations de stockage d'électricité dispersées dans un réseau en tant qu'alimentation électrique de réserve destinée au fonctionnement d'une centrale alimentée en électricité tout en évitant la suppression de la sortie de production d'énergie électrique renouvelable. La solution selon l'invention porte sur une pluralité de dispositifs de stockage d'électricité installés dans des unités de demande d'alimentation électrique respectives et connectés à un système d'alimentation électrique. Un dispositif de commande qui commande la charge de chacun des dispositifs de stockage d'électricité par rapport à chacune des unités de demande, ou la décharge des dispositifs de stockage d'électricité vers une charge dans chacune des unités de demande est installé dans chacune des unités de demande. Les informations des dispositifs de commande sont stockées dans une base de données de gestion après catégorisation de chacun des dispositifs de commande dans un groupe prédéterminé en fonction de l'attribut associé. Une unité d'acquisition d'instruction de commande acquiert une instruction de commande transmise d'une première à une seconde centrale électrique et ordonne le réglage de l'alimentation en électricité. Une unité de gestion de groupe crée un programme de charge ou de décharge de la batterie rechargeable concernant chacun des groupes prédéterminés conformément au contenu de l'instruction de commande en se référant à la base de données de gestion, et exécute une commande selon le programme.
PCT/JP2018/003775 2017-02-07 2018-02-05 Système d'alimentation électrique dans lequel une pluralité de batteries rechargeables sont commandées à distance par groupes et procédé d'alimentation électrique WO2018147218A1 (fr)

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WO2021005675A1 (fr) * 2019-07-08 2021-01-14 東芝三菱電機産業システム株式会社 Procédé de commande de réglage d'équilibre d'énergie et dispositif de commande de réglage

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JP7181853B2 (ja) * 2019-12-25 2022-12-01 株式会社日立製作所 調整力計画作成装置およびその方法

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WO2021005675A1 (fr) * 2019-07-08 2021-01-14 東芝三菱電機産業システム株式会社 Procédé de commande de réglage d'équilibre d'énergie et dispositif de commande de réglage

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