WO2019044708A1 - Système d'alimentation, dispositif de stockage électrique et procédé de commande pour système d'alimentation - Google Patents

Système d'alimentation, dispositif de stockage électrique et procédé de commande pour système d'alimentation Download PDF

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Publication number
WO2019044708A1
WO2019044708A1 PCT/JP2018/031380 JP2018031380W WO2019044708A1 WO 2019044708 A1 WO2019044708 A1 WO 2019044708A1 JP 2018031380 W JP2018031380 W JP 2018031380W WO 2019044708 A1 WO2019044708 A1 WO 2019044708A1
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Prior art keywords
power
storage device
power storage
charge
parameter
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PCT/JP2018/031380
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English (en)
Japanese (ja)
Inventor
朗 奥村
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京セラ株式会社
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Priority to JP2019539456A priority Critical patent/JP7136785B2/ja
Publication of WO2019044708A1 publication Critical patent/WO2019044708A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Energy or water supply
    • 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

Definitions

  • the present disclosure relates to a power system, a power storage device, and a control method of the power system.
  • Patent Document 1 discloses an energy system in which a power storage device for private use is sold to the system side.
  • a power system includes a power storage device and a power device.
  • the power device receives supply of power from the power storage device.
  • the power storage device or the power storage device supplies power received by the power storage device from the power storage device based on charge / discharge history information on charge / discharge of the power storage device. Control.
  • a power storage device supplies power to a power device.
  • the power storage device includes a control unit. When connected to the power device, the control unit controls supply of power received by the power device from the power storage device based on charge / discharge history information on charge / discharge of the power storage device.
  • a control method of a power system is a control method of a power system including a power storage device and a power device.
  • the power device receives supply of power from the power storage device.
  • a control method of a power system includes charging and discharging of the storage device, the supply of power received by the storage device from the storage device when the storage device or the storage device is connected to the storage device and the storage device. Control based on charge / discharge history information related to
  • the present disclosure relates to a power system, a storage device, and a control method of the power system, which improves the convenience of the technology of selling power. According to the power system, the power storage device, and the control method of the power system according to an embodiment of the present disclosure, the convenience of the technology of selling power is improved.
  • embodiments of the present disclosure will be described with reference to the drawings.
  • FIG. 1 is a diagram showing a schematic configuration of a power system 1 according to an embodiment of the present disclosure.
  • Power system 1 includes a power storage device 10, a power device 20, a charging device 30, and a moving body 40.
  • the numbers of power storage devices 10, power devices 20, charging devices 30, and moving bodies 40 may be arbitrarily determined.
  • Power storage device 10 is used, for example, by a user who is a consumer. Power storage device 10 is charged, for example, by a charging device 30 installed at the user's home or at a charging station, as described later. Power storage device 10 may supply power to load devices provided at the user's home. Power storage device 10 is portable. In the present embodiment, the power storage device 10 is mounted on a moving body 40 described later. For example, the power supplied from the power storage device 10 may be consumed by the mobile object 40. Specifically, the power supplied from storage device 10 to mobile unit 40 may be consumed for the movement of mobile unit 40 and the driving of accessories mounted on mobile unit 40. In another embodiment, power storage device 10 may be portable by a user. Details of power storage device 10 will be described later.
  • the power device 20 may be installed at any place.
  • power device 20 may be installed in any facility other than the home of the user of power storage device 10.
  • the power device 20 may be installed in facilities such as a convenience store, a supermarket, a department store, a restaurant, a hospital, or a parking lot.
  • Power device 20 receives the supply of power from power storage device 10.
  • a reward according to the amount of power supplied from power storage device 10 to power device 20 may be provided to the user.
  • supply of power from the storage device 10 to the power device 20 is also referred to as selling power by the storage device 10.
  • “power sale” includes supplying power in exchange for money, supplying power by regarding the power itself as a virtual currency, and the like.
  • the amount of power supplied from power storage device 10 to power device 20 is also referred to as the amount of power sold.
  • the power device 20 may supply the power sold from the power storage device 10 to, for example, a load device or a storage battery provided in a facility where the power device 20 is installed.
  • Power device 20 may function as a charger for charging power storage device 10. In such a case, the power device 20 supplies power to the power storage device 10 from, for example, a commercial power source or a storage battery provided in a facility where the power device 20 is installed. The details of the power device 20 will be described later.
  • the charging device 30 may be installed at any place different from the installation place of the power device 20, for example.
  • charging device 30 may be installed at a home of a user of power storage device 10 or at a facility such as a charging station.
  • Charging device 30 functions as a charger for charging power storage device 10.
  • Charging device 30 can supply power storage device 10 with power derived from renewable energy or depletable energy.
  • Electrical power from renewable energy may include, for example, electrical power generated using energy such as solar, wind, hydro or geothermal.
  • the power from the depletable energy may include, for example, power generated using fossil energy such as petroleum, coal, or natural gas.
  • the charging device 30 that supplies power derived from renewable energy is also referred to as a first charging device 30a.
  • the charging device 30 connected to the solar power generation device can function as a first charging device 30a.
  • the charging device 30 that supplies power derived from the depletable energy is also referred to as a second charging device 30b.
  • the charging device 30 connected to the commercial power source derived from the depletable energy can function as a second charging device 30b.
  • the charging device 30 may supply power to any load device connected to the charging device 30.
  • charging device 30 and load device may be installed at the user's home of power storage device 10.
  • the charging device 30 may function as an EMS (Energy Management System).
  • the charging device 30 can supply power to at least one of the power storage device 10 and the load device.
  • the charging device 30 may supply power to the load device, for example, in a state where the power storage device 10 is not connected. Details of the charging device 30 will be described later.
  • the moving body 40 mounts the power storage device 10.
  • the mobile 40 may include any movable device.
  • the moving body 40 may or may not use the power supplied from the power storage device 10 to move.
  • the moving body 40 may be used merely to transport the storage device 10.
  • the moving body 40 may include a vehicle, a walking robot, a flight device, and the like.
  • the vehicles may include electric vehicles, hybrid electric vehicles, gasoline vehicles, bicycles, and the like.
  • the flight device may include a drone, a multicopter, and the like.
  • the mobile 40 may be driven or steered by the user. At least a portion of the user's operation relating to driving or steering of the mobile 40 may be automated.
  • the mobile unit 40 may be autonomously movable regardless of the user operation.
  • the moving body 40 is an electric vehicle that moves using power supplied from the power storage device 10.
  • the moving body 40 may use at least a part of the regenerative power generated by the regenerative brake to charge the storage device 10. Details of the mobile unit 40 will be described later.
  • the usage example of the power system 1 by a user is demonstrated.
  • the user charges the power storage device 10 mounted on the mobile unit 40, for example, by the charging device 30 provided at the user's home or at a charging station.
  • the user moves with the mobile body 40 to the facility where the power device 20 is installed.
  • the user connects the storage device 10 and the power device 20, and starts selling electricity by the storage device 10.
  • a reward according to the amount of sale of electricity is given to the user.
  • the content of the reward given to the user may be arbitrarily determined.
  • the reward may include money, virtual currency, points available for a predetermined service, and the like.
  • the reward may include the right to reduce the user's payment fee at the facility where the power device 20 is installed.
  • the facilities may include commercial facilities such as, for example, restaurants and electricity retailers, and the parking lots associated with them.
  • the grant of the reward may be performed, for example, by issuing a ticket corresponding to the reward.
  • the grant of the reward may be performed by storing electronic data corresponding to the reward in association with the identification information of the user.
  • the provision of the reward is performed by the power device 20.
  • the reward may be provided by an external server that can communicate with the power device 20 via a communication network such as the Internet. For example, when the user clicks the settlement start button with the application of the smartphone, the power device 20 ends the power reception operation according to the communication from the external server.
  • the power device 20 calculates the reward of the power sold by the power storage device 10 so far and transmits the calculated reward to the external server.
  • the external server creates a code image such as a reduced barcode or QR code (registered trademark) corresponding to the reward and transmits it to the user's smartphone.
  • the user can receive a reduction in payment by presenting a code image displayed on the smartphone, for example, at the time of clearing of a meal or a product purchase.
  • a user who uses power system 1 can sell, for example, the power stored in power storage device 10 at any place where power device 20 is installed. Therefore, since the opportunity which a user can sell can increase, the convenience of the technique which sells electric power improves. In addition, since the use of the power stored in power storage device 10 is promoted, the use efficiency of the power for the user is improved. Also, the user can be motivated to move to the location where the power device 20 is installed. For this reason, for example, the economic activity of the user at the relevant place is activated.
  • FIG. 2 is a block diagram showing a schematic configuration of power storage device 10 of FIG.
  • the power storage device 10 includes a storage battery 11, a communication unit 12, a sensor unit 13, a storage unit 14, and a control unit 15.
  • the storage battery 11, the communication unit 12, the sensor unit 13, the storage unit 14, and the control unit 15 may be provided in the mobile object 40 in which the power storage device 10 is mounted.
  • the storage battery 11 includes any type of battery that can be charged and discharged.
  • the storage battery 11 may include a lead storage battery, a lithium ion battery, a nickel cadmium battery, a nickel hydrogen battery, and the like.
  • the communication unit 12 may include a first interface that transmits and receives information and power to and from an external device.
  • the first interface may include a module and a connector that correspond to any standard regarding the charge and discharge method of the storage battery 11.
  • the standards for the charge and discharge method may include, for example, standards such as CHAdeMO (registered trademark) and USB (registered trademark).
  • the communication unit 12 can transmit and receive information and power with each of the power device 20 and the charging device 30 via the first interface.
  • the communication unit 12 may include a second interface that transmits and receives information to and from an external device.
  • the second interface may include a communication module corresponding to any communication standard via wire or wireless.
  • the communication standard may include, for example, a communication standard via an in-vehicle network such as CAN (Controller Area Network).
  • the communication unit 12 can transmit and receive information with the mobile unit 40 via the second interface.
  • the communication unit 12 may include, for example, a third interface that transmits and receives information to and from an external device via a communication network such as the Internet.
  • the third interface may include, for example, a communication module corresponding to any wireless communication standard.
  • the communication unit 12 may connect to an external server via the third interface and the communication network to transmit and receive information on power and position.
  • the communication unit 12 may receive more advanced service information from the server.
  • the sensor unit 13 includes one or more optional sensors or detection mechanisms.
  • the sensor unit 13 may include a charge / discharge power sensor and a remaining capacity sensor.
  • the charge / discharge power sensor measures the current using, for example, a CT (Current Transformer), and detects the charge / discharge power amount of the storage battery 11.
  • the charge / discharge power sensor may detect the amount of power sold at the time of power sale to the power device 20.
  • the charge / discharge power sensor may detect the amount of charge power at the time of charging by the charging device 30.
  • the remaining capacity sensor monitors the amount of discharge current and the amount of charging current of the storage battery 11 using, for example, a CT to detect the remaining capacity.
  • Arbitrary algorithms can be employed to detect the remaining capacity. For example, for detection of the remaining capacity, a remaining capacity estimation algorithm such as a current integration method or an open-circuit voltage method may be employed.
  • the storage unit 14 includes one or more memories.
  • the storage unit 14 may include a semiconductor memory, a magnetic memory, an optical memory, or the like.
  • the storage unit 14 may function as, for example, a primary storage device or a secondary storage device.
  • Storage unit 14 may store any information used for the operation of power storage device 10.
  • the storage unit 14 may store in advance a power storage device ID that can uniquely identify the power storage device 10.
  • the storage unit 14 may store charge / discharge history information described later.
  • the control unit 15 includes one or more processors.
  • the processor may include a general purpose processor and a dedicated processor specialized for a specific process.
  • a processor such as an ECU (Electronic Control Unit) provided in the moving body 40 may function as the control unit 15.
  • Control unit 15 controls the overall operation of power storage device 10. A specific example of the operation of power storage device 10 will be described later.
  • FIG. 3 is a block diagram showing a schematic configuration of the power unit 20 of FIG.
  • the power device 20 includes a communication unit 21, a sensor unit 22, a storage unit 23, and a control unit 24.
  • the communication unit 21 may include a first interface that transmits and receives information and power with an external device. In the present embodiment, the communication unit 21 can transmit and receive information and power with the power storage device 10 via the first interface.
  • the communication unit 21 may include a third interface that transmits and receives information to and from an external device via a communication network.
  • the communication unit 21 may be connected to an external server via the third interface and the communication network to transmit and receive information regarding the charge and discharge history. According to this configuration, for example, when the amount of measurement data in the past is large and can not be stored in the storage unit 23 described later, it is possible to store at least a part of charge / discharge history information in the server It becomes.
  • the sensor unit 22 includes one or more optional sensors or detection mechanisms.
  • the sensor unit 22 may include a charge / discharge power sensor.
  • the charge / discharge power sensor measures the current using, for example, a CT, and detects the charge / discharge power amount of the power storage device 10 connected via the communication unit 21.
  • the charge / discharge power sensor may detect the amount of power sold at the time of power sale to the power device 20.
  • the storage unit 23 includes one or more memories.
  • the storage unit 23 may include a semiconductor memory, a magnetic memory, an optical memory, or the like.
  • the storage unit 23 may function as, for example, a primary storage device or a secondary storage device.
  • the storage unit 23 may store any information used for the operation of the power device 20.
  • the control unit 24 includes one or more processors.
  • the processor may include a general-purpose processor and a dedicated processor specialized for a specific process.
  • the control unit 24 controls the overall operation of the power device 20. A specific example of the operation of the power device 20 will be described later.
  • FIG. 4 is a block diagram showing a schematic configuration of the charging device 30 of FIG.
  • the charging device 30 includes a communication unit 31, a sensor unit 32, a storage unit 33, and a control unit 34.
  • the communication unit 31 may include a first interface that transmits and receives information and power with an external device.
  • the communication unit 31 can transmit and receive information to and from the power storage device 10 through the first interface.
  • Communication unit 31 can transmit power to power storage device 10 via the first interface.
  • the communication unit 31 of the first charging device 30 a can transmit the power derived from the renewable energy to the storage device 10.
  • the communication unit 31 of the second charging device 30 b can transmit the power derived from the depletable energy to the storage device 10.
  • the communication unit 31 may include a third interface that transmits and receives information to and from an external device via a communication network.
  • the communication unit 31 may be connected to an external server via the third interface and the communication network to transmit and receive information related to power.
  • the communication unit 31 may obtain information such as real-time weather information or past power generation results from the server as information regarding power. Good.
  • the charging device 30 gives priority to either the storage device 10 or the load device based on the information related to the power. Power can be distributed.
  • Sensor portion 32 includes one or more optional sensors or sensing mechanisms.
  • the sensor unit 32 may include a charge power sensor.
  • the charge power sensor measures the current using, for example, a CT, and detects the amount of charge power of the power storage device 10 connected via the communication unit 31.
  • the storage unit 33 includes one or more memories.
  • the storage unit 33 may include a semiconductor memory, a magnetic memory, an optical memory, or the like.
  • the storage unit 33 may function as, for example, a primary storage device or a secondary storage device.
  • the storage unit 33 may store any information used for the operation of the charging device 30.
  • Control unit 34 includes one or more processors.
  • the processor may include a general-purpose processor and a dedicated processor specialized for a specific process.
  • Control unit 34 controls the overall operation of charging device 30. For example, when charging storage device 10, control unit 34 may notify storage device 10 that charging device 30 that performs charging is either first charging device 30a or second charging device 30b.
  • the mobile unit 40 shown in FIG. 1 includes one or more accessories, one or more processors, and an in-vehicle network.
  • the accessory may include, for example, an air conditioner, a navigation device, and the like.
  • the processor may include, for example, an ECU.
  • the processor controls the operation of the mobile unit 40 as a whole. For example, the processor may use at least a portion of the regenerative power generated by the regenerative brake of the moving body 40 to charge the power storage device 10.
  • the operations of power storage device 10 and power device 20 will be specifically described.
  • the operation is an operation related to the sale of power from the storage device 10 to the power device 20.
  • the control unit 15 of the power storage device 10 stores charge / discharge history information in the storage unit 14 each time charge / discharge of the power storage device 10 is performed, for example.
  • the charge and discharge history information may include any history regarding charge and discharge of the power storage device 10.
  • the charge / discharge history information includes a user ID, a power storage device ID, a date and time, a charge / discharge energy amount, an attribute, a remaining capacity, a first parameter, and a second parameter. Including.
  • the user ID is information that can uniquely identify the user.
  • the storage device ID is information that can uniquely identify the storage device ID as described above.
  • the date is a time stamp at which charge and discharge of power storage device 10 were performed.
  • control unit 15 may store the date and time when charge and discharge are completed in storage unit 14.
  • the charge / discharge power amount is a charge / discharge power amount when charge / discharge of the power storage device 10 is performed.
  • the charge energy is indicated by a positive value
  • the discharge energy is indicated by a negative value.
  • control unit 15 may store, in storage unit 14, the charge and discharge power amount detected using sensor unit 13.
  • the charge / discharge power may be calculated in consideration of the discharge efficiency and the charge efficiency. In the following description, the charge efficiency and the discharge efficiency are assumed to be 1.0 for simplification, in the case of using specific numerical values of charge and discharge electric energy.
  • the attribute is information indicating a device that has supplied the charging power to the power storage device 10 or a device that has the discharge power supplied by the power storage device 10.
  • the attribute may indicate any of the power device 20, the first charging device 30a, the second charging device 30b, or the mobile object 40.
  • control unit 15 may store the attribute as “power device” in storage unit 14.
  • control unit 15 sets the first charging device 30 to charge the charging device 30 based on the notification acquired from charging device 30. It may be specified which of the device 30a and the second charging device 30b.
  • the control unit 15 may store the attribute in the storage unit 14 as “first charging device” or “second charging device” according to the identification result of the charging device 30. For example, when charge / discharge of power storage device 10 is performed when power storage device 10 is not connected to either power device 20 or charging device 30, control unit 15 stores the attribute as “mobile” in storage unit 14. You may
  • the remaining capacity is the remaining capacity of storage battery 11 when charging / discharging of power storage device 10 is completed.
  • the control unit 15 may store the remaining capacity detected using the sensor unit 13 in the storage unit 14.
  • the first parameter is a parameter corresponding to the amount of power derived from renewable energy among the remaining capacity of the storage battery 11.
  • the control unit 15 may increase the first parameter in accordance with the amount of charge power from the first charging device 30a. For example, the control unit 15 may increase the first parameter by the charging power amount from the first charging device 30a.
  • the second parameter is a parameter corresponding to the amount of power derived from the depletable energy out of the remaining capacity of the storage battery 11.
  • the control unit 15 may increase the second parameter in accordance with the amount of charge power from the second charging device 30b. For example, the control unit 15 may increase the charging power amount from the second charging device 30b.
  • the power storage device 10 can also be charged by the regenerative brake of the moving body 40.
  • the control unit 15 increases the second parameter in accordance with the amount of charging power by the regenerative brake of the moving body 40.
  • the control unit 15 may increase the second parameter by the charge output amount by the regenerative brake of the moving body 40.
  • Such configuration is based on the concept described below. That is, the situation where only power derived from renewable energy is stored in power storage device 10 is relatively rare, and both power derived from renewable energy and power derived from depletable energy are stored in power storage device 10 It is highly probable. Therefore, mobile unit 40 can be considered to consume both the electric power derived from the renewable energy and the electric power derived from the depletable energy stored in power storage device 10.
  • the regenerative brake is for recovering a part of the power consumed by the traveling of the moving body 40. Therefore, the charging power by the regenerative brake can be considered as part of the power derived from the depletable energy.
  • the second parameter increases in accordance with the amount of charging power by the regenerative brake of the moving body 40. According to this configuration, among the remaining capacity of the storage battery 11, the accuracy of the first parameter corresponding to the electric energy derived from the renewable energy is improved.
  • control unit 15 may increase the first parameter in accordance with the amount of charging power by the regenerative brake of the moving body 40.
  • the regenerative brake is for recovering a part of the power consumed for traveling of the moving body 40.
  • the power recovered by the regenerative brake is different from the power derived from depletable energy, for example, in that the generation of the power does not involve the emission of carbon dioxide.
  • the charging power by the regenerative brake has a property closer to the power derived from the renewable energy than the power derived from the depletable energy.
  • the first parameter increases in accordance with the amount of charging power by the regenerative brake of the moving body 40. Therefore, among the remaining capacity of storage battery 11, the accuracy of the second parameter corresponding to the amount of power derived from the depletable energy is improved.
  • Control unit 15 may decrease the first parameter in accordance with the amount of power sold by power storage device 10 to power device 20.
  • the control unit 15 may decrease the first parameter by the amount of power sold to the power device 20.
  • Such a configuration corresponds to the preferential use of the power derived from the renewable energy in the sale of power from the storage device 10 to the power device 20.
  • control unit 15 may decrease the total value of the first parameter and the second parameter according to the amount of discharged power.
  • control unit 15 may preferentially reduce the second parameter over the first parameter.
  • the first line of the charge and discharge history information indicates the initial state of the power storage device 10. Specifically, in the initial state, the remaining capacity of power storage device 10 is 0 kWh.
  • the first parameter and the second parameter are each 0 point.
  • the second line of the charge and discharge history information indicates that the power storage device 10 is charged with an electric energy of 30 kWh from the first charging device 30a at 8:28 July.
  • the remaining capacity of power storage device 10 is increased from 0 kWh to 30 kWh. Since charging is performed by the first charging device 30a, the first parameter increases from 0 point to 30 points. On the other hand, the second parameter remains at 0 point.
  • the third line of the charge and discharge history information indicates that the power storage device 10 discharges an electric energy of 5 kWh from the power storage device 10 to the moving body 40 at 9:28 July.
  • the remaining capacity of power storage device 10 is reduced from 30 kWh to 25 kWh.
  • the total value of the first parameter and the second parameter is reduced from 30 points to 25 points because of the discharge other than the power sale. Specifically, since the second parameter is 0 point, the first parameter is reduced from 30 points to 25 points. On the other hand, the second parameter remains at 0 point.
  • the fourth line of the charge and discharge history information indicates that the electric storage device 10 is charged with an electric energy of 1 kWh at 9:01 on July 28 by the regenerative brake of the mobile unit 40.
  • the remaining capacity of power storage device 10 is increased from 25 kWh to 26 kWh.
  • the second parameter increases from 0 point to 1 point because charging is performed by the regenerative brake.
  • the first parameter remains at 25 points.
  • the fifth line of the charge and discharge history information indicates that 20 kWh of electric energy has been charged from the second charging device 30 b to the power storage device 10 at 10 o'clock on July 28.
  • the remaining capacity of power storage device 10 is increased from 26 kWh to 46 kWh. Since the charging is performed by the second charging device 30b, the second parameter increases from 1 point to 21 points. On the other hand, the first parameter remains at 25 points.
  • the sixth line of the charge and discharge history information indicates that the power storage device 10 has discharged a power amount of 5 kWh from the power storage device 10 to the moving body 40 at 11:28 July.
  • the remaining capacity of power storage device 10 is reduced from 46 kWh to 41 kWh.
  • the total value of the first parameter and the second parameter is reduced from 46 points to 41 points because of the discharge other than the power sale.
  • the second parameter since the second parameter is larger than 0 point, the second parameter given priority to the first parameter is reduced from 21 points to 16 points. On the other hand, the second parameter remains at 25 points.
  • the seventh line of the charge and discharge history information indicates that the electric storage device 10 is charged with an electric energy of 1 kWh by the regenerative brake of the mobile unit 40 at 11: 1 on July 28.
  • the remaining capacity of power storage device 10 is increased from 41 kWh to 42 kWh.
  • the second parameter increases from 16 points to 17 points because of charging by the regenerative brake.
  • the first parameter remains at 25 points.
  • the eighth line of the charge and discharge history information indicates that the power storage device 10 sold a power amount of 5 kWh to the power device 20 at 12:00 on July 28.
  • the remaining capacity of power storage device 10 is reduced from 42 kWh to 37 kWh.
  • the first parameter is reduced from 25 points to 20 points because of the sale of electricity to the power device 20.
  • the second parameter remains at 17 points.
  • control unit 15 controls power sale by power storage device 10 based on charge and discharge history information. Specifically, the control unit 15 may determine the upper limit power amount based on the first parameter included in the charge and discharge history information. For example, the control unit 15 may determine the upper limit power amount to a value equal to or less than the first parameter. The control unit 15 permits power sale up to the upper limit power amount. Specifically, the control unit 15 may end the power sale when the amount of power sold reaches the upper limit power amount after the start of the power sale. Control unit 15 may start selling electricity from power storage device 10 to power device 20. When the power sale ends, the control unit 24 of the power device 20 gives the user a reward according to the amount of power sale power.
  • FIG. 6 is a sequence diagram showing the operation of the power storage device 10 and the power device 20 according to an embodiment of the present disclosure.
  • Step S100 The power storage device 10 stores charge / discharge history information on charge / discharge of the power storage device 10.
  • Step S101 The power storage device 10 determines the upper limit electric energy based on the first parameter of the charge and discharge history information.
  • Step S102 The power storage device 10 permits power sale up to the upper limit electric energy.
  • Step S103 The power storage device 10 starts selling electricity to the power device 20.
  • Step S104 When the power sale ends, the power device 20 gives the user a reward according to the amount of power sale electricity.
  • power storage device 10 controls power sale by power storage device 10 based on charge / discharge history information on charge / discharge of power storage device 10. According to this configuration, it is possible to sell electricity in consideration of the origin of the power stored in power storage device 10. Therefore, the convenience of the technology for selling power is improved.
  • the charge and discharge history information may include a first parameter and a second parameter.
  • the first parameter is increased according to the amount of charging power from the first charging device 30a that supplies power derived from renewable energy.
  • the second parameter increases in accordance with the amount of charge power from the second charging device 30 b that supplies power derived from the depletable energy.
  • Power storage device 10 may permit power sale up to the upper limit electric energy determined based on the first parameter.
  • Such a configuration may correspond to permission of selling power only to power derived from renewable energy among power stored in power storage device 10. According to this configuration, it is possible to give the user a motivation to charge the power storage device 10 using the electric power derived from the renewable energy. Therefore, since the use of renewable energy derived power is promoted, the occurrence of adverse effects on the environment is reduced. Therefore, the convenience of the technology for selling power can be further improved.
  • At least part of the operation of the power storage device 10 in the above-described embodiment may be performed by the power device 20.
  • the above-described steps S100 to S102 may be performed by the power device 20 communicably connected to the power storage device 10.
  • the power devices 20 in the above-described embodiment may be divided into a plurality of devices communicably connected to each other.
  • at least one device that performs an operation of giving the user a reward according to the amount of power sold may be disposed in the facility where the power device 20 is installed. According to such a configuration, the user can be motivated to enter the facility to receive the reward. Therefore, it is possible to promote the activation of the economic activity of the user in the facility.
  • FIG. 7 is a sequence diagram showing operations of power storage device 10 and power device 20 according to another embodiment of the present disclosure.
  • Step S200 The power storage device 10 stores charge / discharge history information on charge / discharge of the power storage device 10.
  • Step S201 The power storage device 10 permits the power sale by the power storage device 10 when the second parameter included in the charge / discharge history information is 0 point, and prohibits it when the second parameter is not 0 point. Here, it is assumed that power sale by the power storage device 10 is permitted.
  • Step S202 The power storage device 10 starts selling electricity to the power device 20.
  • Step S203 When the power sale ends, the power device 20 gives the user a reward according to the amount of power sale power.
  • Steps S200 to S202 described above may be performed by the power device 20 communicably connected to the power storage device 10.
  • the configuration has been described in which the first parameter is increased according to the amount of charging power by the first charging device 30a that supplies power derived from renewable energy.
  • a configuration is also possible in which the first parameter is increased according to the amount of charging power by the first charging device 30a only for the specific first charging device 30a.
  • the specific first charging device 30 a may be, for example, the first charging device 30 a associated with the user of the power storage device 10.
  • the first charging device 30a associated with the user may be, for example, the first charging device 30a owned or rented by the user.
  • the first charging device 30a may store the correspondence between the user and the first charging device 30a according to the user operation.
  • the discharge power amount from the power storage device 10 to the moving body 40 and the charge power amount of the power storage device 10 by the regenerative brake of the moving body 40 are separately stored in charge / discharge history information. did.
  • the amount of discharged power from power storage device 10 to moving body 40 and the amount of charged power of power storage device 10 by the regenerative brake of moving body 40 may be collectively stored in the charge and discharge history information.
  • the amount of discharged power from the storage device 10 to the moving body 40 is larger than the amount of charging power of the storage device 10 by the regenerative brake of the moving body 40. Therefore, the remaining capacity of power storage device 10 at the end of movement of mobile unit 40 is smaller than the start time of movement of mobile unit 40. Therefore, the total value of the first parameter and the second parameter may decrease as described above according to the decrease amount of the remaining capacity of power storage device 10 before and after movement of moving body 40.
  • the charging device 30 may be one device having the functions of both the first charging device 30a and the second charging device 30b.
  • the charging device 30 may select and use the power derived from renewable energy or the power derived from depletable energy, for example, by performing optional processing such as switching inside the device and power measurement separately. it can.
  • the charging device 30 supplies power derived from renewable energy as the first charging device 30a, and supplies power derived from depletable energy as the second charging device 30b when the supply of power derived from the renewable energy is stopped. Can.
  • the charging device 30 may include a storage battery.
  • the charging device 30 functions as the first charging device 30a that can supply the power derived from the renewable energy stored in the storage battery. Good.
  • charge and discharge history information on charge and discharge of power storage device 10 may be stored in another device other than power storage device 10.
  • Other devices may include, for example, a computer provided at the home of the user of power storage device 10, a storage device mounted on mobile unit 40, and a server connected to a communication network.
  • the control unit 15 of the power storage device 10 transmits charge / discharge history information to the other device via the communication unit 12 each time charge / discharge of the power storage device 10 is performed, for example.
  • the other device stores charge / discharge history information received from the power storage device 10.

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  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Power Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Economics (AREA)
  • Strategic Management (AREA)
  • Physics & Mathematics (AREA)
  • Human Resources & Organizations (AREA)
  • Marketing (AREA)
  • Primary Health Care (AREA)
  • Water Supply & Treatment (AREA)
  • Tourism & Hospitality (AREA)
  • General Health & Medical Sciences (AREA)
  • General Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Public Health (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

L'invention concerne un système d'alimentation comprenant un dispositif de stockage électrique et un dispositif d'alimentation. Le dispositif d'alimentation est alimenté au moyen de l'énergie provenant du dispositif de stockage électrique. Le dispositif de stockage électrique ou le dispositif d'alimentation, lorsque le dispositif de stockage électrique et le dispositif d'alimentation sont connectés, commande l'alimentation en énergie reçue par le dispositif d'alimentation du dispositif de stockage électrique, sur la base d'informations d'historique de charge/décharge concernant la charge et la décharge du dispositif de stockage électrique.
PCT/JP2018/031380 2017-08-30 2018-08-24 Système d'alimentation, dispositif de stockage électrique et procédé de commande pour système d'alimentation WO2019044708A1 (fr)

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JP2019539456A JP7136785B2 (ja) 2017-08-30 2018-08-24 電力システム、蓄電装置、電力システムの制御方法、および移動体

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7329893B1 (ja) * 2023-02-28 2023-08-21 株式会社グリンバンク 情報処理装置、蓄電システム及び情報処理方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011083085A (ja) * 2009-10-05 2011-04-21 Panasonic Electric Works Co Ltd 電力管理システム
JP2012095397A (ja) * 2010-10-25 2012-05-17 Panasonic Corp 電力管理システム
JP2013055734A (ja) * 2011-09-01 2013-03-21 Mitsubishi Heavy Ind Ltd 電力授受システム、蓄電情報管理装置、制御方法、及びプログラム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011083085A (ja) * 2009-10-05 2011-04-21 Panasonic Electric Works Co Ltd 電力管理システム
JP2012095397A (ja) * 2010-10-25 2012-05-17 Panasonic Corp 電力管理システム
JP2013055734A (ja) * 2011-09-01 2013-03-21 Mitsubishi Heavy Ind Ltd 電力授受システム、蓄電情報管理装置、制御方法、及びプログラム

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7329893B1 (ja) * 2023-02-28 2023-08-21 株式会社グリンバンク 情報処理装置、蓄電システム及び情報処理方法
WO2024180801A1 (fr) * 2023-02-28 2024-09-06 株式会社グリンバンク Dispositif de traitement d'informations, système de stockage d'électricité et procédé de traitement d'informations

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