WO2017145457A1 - Système de commande de trajet d'énergie, procédé de commande de trajet d'énergie et programme de commande de trajet d'énergie - Google Patents

Système de commande de trajet d'énergie, procédé de commande de trajet d'énergie et programme de commande de trajet d'énergie Download PDF

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Publication number
WO2017145457A1
WO2017145457A1 PCT/JP2016/083961 JP2016083961W WO2017145457A1 WO 2017145457 A1 WO2017145457 A1 WO 2017145457A1 JP 2016083961 W JP2016083961 W JP 2016083961W WO 2017145457 A1 WO2017145457 A1 WO 2017145457A1
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WIPO (PCT)
Prior art keywords
power
power supply
consumer
path control
consumers
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PCT/JP2016/083961
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English (en)
Japanese (ja)
Inventor
恭之 江田
一希 笠井
紘 今井
皓正 高塚
冨実二 相田
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オムロン株式会社
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Publication of WO2017145457A1 publication Critical patent/WO2017145457A1/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
    • 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
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • 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
    • 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

Definitions

  • the present invention relates to a power supply path control system, a power supply path control method, and a power supply path control program that allow power to be interchanged among a plurality of consumers who own power generation devices and the like.
  • a power generation apparatus for example, a solar power generation apparatus
  • a surplus power purchase system has been established, so that electric power generated by a solar power generation device, a wind power generation device, or the like can be sold to an electric power company.
  • the generated power may not be sold to the power company.
  • output suppression a predetermined amount of power that can be purchased by an electric power company is exceeded (hereinafter referred to as output suppression). For this reason, a consumer may use a storage battery that can temporarily store power that could not be sold.
  • Patent Document 1 discloses a power management system that can easily and inexpensively notify that a distributed power source that can be connected to a system can be reconnected after being disconnected from the commercial power system. ing.
  • the conventional power management system has the following problems.
  • the power management system disclosed in the above publication does not take into account the power supply / demand situation in a plurality of consumers, and simply refers to notifying reconnection after being disconnected from the commercial power system. Just doing. For this reason, according to the supply and demand situation of the electric power in a some consumer, the electric power transmission path cannot be ensured appropriately.
  • An object of the present invention is to provide a power supply route control system, a power supply route control method, and a power supply route control program capable of appropriately securing a power transmission route according to the supply and demand situation of power in a plurality of consumers. It is to provide.
  • a power supply path control system is a power supply path control system that controls connection switching between a plurality of consumers who own a power supply apparatus and a system to which power is supplied from an electric power company.
  • a supply and demand prediction unit and a control unit are provided.
  • the power supply / demand prediction unit predicts the power supply / demand situation of a plurality of consumers in a predetermined time zone.
  • the control unit controls the first switching unit that switches the connection between the grid and the distribution lines of a plurality of consumers based on the prediction result in the power supply and demand prediction unit, and connects the distribution lines that connect the plurality of consumers.
  • the second switching unit for switching between is controlled.
  • the first switching unit is controlled so as to cut off the connection between the power supply system from the power company to the consumer group and the consumer group. Then, among the plurality of consumers, a supply path through which surplus power is supplied from a consumer whose power supply amount (for example, power generation amount or power storage amount) is greater than the power consumption amount to a consumer with a large amount of power consumption
  • the connection of the second switching unit is controlled so as to ensure.
  • the consumer group including a plurality of consumers only needs to include at least one consumer who owns the power supply apparatus, and may include a consumer who does not own the power supply apparatus. .
  • a consumer group is a group containing two or more consumers, Comprising: Each consumer is connected by the distribution line via the 2nd switching part.
  • a power supply device owned by a consumer for example, a power generation device utilizing a renewable energy such as a solar power generation device, a wind power generation device, a geothermal power generation device, a generator, a binary power generation, an electric vehicle, a power storage device, etc. Is included.
  • the power supply and demand forecasting unit based on information on the power supply device owned by the consumer (for example, power generation amount, power storage amount, etc.) and information on the power consumption amount in the consumer, the total amount of power supplied by the power supply device and By comparing the total amount of power consumed by the load, the balance between power demand and supply in the consumer group is predicted.
  • the power supply / demand balance in the customer group is, for example, that even if the first consumer has more power consumption than the supply amount, the supply amount is the power consumption in the second consumer included in the same consumer group. It is conceivable that surplus power is generated in excess of the amount. In this case, it is determined that there is a sufficient supply amount for the entire consumer group by supplying surplus power from the second consumer to the first consumer.
  • the control unit uses the first switching unit to control whether or not to disconnect the system from the electric power company based on the prediction result in the power supply and demand prediction unit. Furthermore, the control unit is a second switching unit that switches connection of distribution lines that connect a plurality of consumers so as to secure a power supply path to a consumer that receives the supply from a consumer that can supply surplus power. To control.
  • a 1st switching part is a connection switching means arrange
  • the second switching unit is a connection switching unit that is arranged on a distribution line that connects a plurality of consumers included in the customer group, and is controlled by a control unit included in the system, similarly to the first switching unit.
  • the connection with the system is disconnected.
  • the connection with the system is cut to reduce the use cost of the power transmission network, and within the customer group, a power transmission path is secured from the power supply side consumer to the demand side consumer. be able to.
  • a power supply path control system is the power supply path control system according to the first invention, and the control unit controls the second switching unit when the first switching unit is turned off.
  • the first switching unit is turned off, that is, when the connection between the system and the customer group is disconnected, the second switching unit that connects the plurality of consumers included in the customer group is provided. Control. Thereby, even when the power supply from the grid to the consumer group is interrupted, surplus power generated in the consumer group can be accommodated.
  • a power supply path control system is the power supply path control system according to the first or second aspect of the present invention, wherein a plurality of consumers include a first consumer and a second consumer. It is included.
  • the power supply path control system further includes a matching unit that matches the power demand condition of the first consumer and the power supply condition of the second consumer based on the prediction result of the power supply and demand prediction unit. ing.
  • the demand condition in the first consumer and the supply condition in the second consumer are collated, and the first that requires surplus power in a predetermined time zone And a second consumer that generates surplus power during the time period are detected.
  • the combination of the 1st consumer and the 2nd consumer detected in a matching part may be one, and plural may be sufficient as it.
  • a power supply path control system is the power supply path control system according to the third aspect, wherein the control unit controls the second switching unit based on a matching result in the matching unit.
  • the second switching unit is controlled according to the result of matching the combination of consumers included in the customer group in the matching unit. Thereby, the surplus electric power can be interchanged among the consumers included in the consumer group by controlling the second switching unit according to the matching result.
  • a power supply path control system is the power supply path control system according to the third or fourth aspect of the present invention. , Time zone, location, unit price of power, and consideration.
  • the power demand conditions of the first consumer include information such as the required power amount that the first consumer desires to receive, the desired reception date and time, the time zone, the location, the unit price of power, and the consideration.
  • the amount of power required by the first consumer but also the date and time of receiving surplus power from the second consumer, the time zone, the location of the second consumer, the unit price of surplus power, and the information about the consideration It is possible to perform matching with the optimal second consumer.
  • a power supply path control system is the power supply path control system according to any one of the third to fifth aspects of the present invention, which is necessary for power supply conditions in the second consumer.
  • Power amount, date and time, time zone, location, unit price of power, and price are necessary for power supply conditions in the second consumer.
  • Power supply conditions of the second consumer include information such as the amount of power that can be supplied by the second consumer, desired supply date and time, time zone, location, unit price of power ( ⁇ / wh), consideration, etc. Including.
  • a power supply path control system is the power supply path control system according to any one of the third to sixth aspects of the present invention, further comprising a storage unit for storing demand conditions and supply conditions. I have.
  • the demand condition of the first consumer and the supply condition of the second consumer are stored in a storage unit provided in the system. Thereby, for example, every time a predetermined time elapses, a combination of the first consumer and the second consumer is detected using various information stored in the storage unit, and matching of power interchange is performed. it can.
  • the power supply path control system is the power supply path control system according to any one of the third to seventh aspects, wherein the matching unit establishes a transaction with the first consumer.
  • the matching unit establishes a transaction with the first consumer.
  • the combination of the first consumer and the second consumer is selected based on the unit price of power transmitted from the second consumer to the first consumer To do.
  • the unit price ( ⁇ / wh) at the time of supply of surplus power is used as a selection condition when there are a plurality of second consumers who can establish a transaction with the first consumer.
  • the unit price information may be input by a second consumer who supplies surplus power, or is automatically set based on the transition of surplus power in a plurality of second consumers. Information may be used. Thereby, for example, the second consumer who supplies the surplus power at the cheapest unit price is selected from the plurality of second consumers that can supply the necessary amount of power by the first consumer. Can be matched.
  • a power supply path control system is the power supply path control system according to any one of the third to eighth aspects of the invention, wherein the matching unit establishes a transaction with the first consumer.
  • the matching unit establishes a transaction with the first consumer.
  • the information regarding the loss which occurs at the time of surplus power transmission includes the distance from the second consumer on the side supplying surplus power to the first consumer, and the positions of the first consumer and the second consumer. Map information or the like may be used.
  • a power supply path control system is the power supply path control system according to any one of the third to ninth aspects, wherein the demand condition is input by the first consumer.
  • the power supply and demand prediction unit predicts the power supply and demand using the power demand condition input by the first consumer.
  • matching with a second consumer that can supply surplus power using a demand condition directly input from the first consumer using an electronic terminal such as a PC (Personal Computer) or a smartphone is performed. It can be carried out.
  • a power supply path control system is the power supply path control system according to any one of the third to tenth aspects of the present invention, wherein the supply conditions are input by the second consumer.
  • the information regarding the power supply device is input by the second consumer as the surplus power supply condition.
  • the information related to the input power supply device includes information such as the type of the power supply device, the power generation capacity, the estimated power generation amount based on the weather forecast, the power storage amount of the power storage device, and the full charge capacity of the storage battery.
  • the electric power supply and demand in a consumer group can be predicted using the information regarding the electric power supply apparatus directly input from the 2nd consumer using electronic terminals, such as PC (Personal Computer) and a smart phone. .
  • a power supply path control system is the power supply path control system according to any one of the first to eleventh aspects of the present invention, wherein the power supply / demand prediction unit uses information on the weather forecast, A power generation amount in a predetermined time period by a power generation device included in the power supply device is predicted.
  • the power supply and demand prediction unit predicts the amount of power generation in the power supply device (power generation device) using information related to the weather forecast.
  • the power supply device is a solar power generation device
  • the amount of power generated by the solar power generation device can be predicted using information on the sunshine hours of the weather forecast.
  • the power supply device is a wind power generator
  • the amount of power generated by the wind power generator can be predicted using the wind speed information in the weather forecast.
  • a power supply path control system is the power supply path control system according to any one of the first to twelfth aspects of the present invention, wherein the power supply / demand prediction unit is a power storage device included in the power supply apparatus Is used to predict the amount of electricity stored in the electricity storage device in a predetermined time period.
  • the power storage amount of the current power storage device is used for the power supply / demand prediction in the power supply / demand prediction unit.
  • the power supply and demand in the consumer group in a predetermined time zone can be obtained using the current power storage amount of the storage battery together with the estimated value of the power generation amount and the power consumption amount of each power supply device in a predetermined time zone. Can be predicted.
  • a power supply path control system is the power supply path control system according to any one of the first to thirteenth aspects of the present invention, wherein the power supply / demand forecasting unit is a past life of a plurality of consumers.
  • the power consumption in a some consumer is estimated.
  • the data which recorded the power consumption according to the life pattern for every some consumer is used for the estimation of the power consumption in a power supply-and-demand prediction part.
  • surplus power is generated during the daytime when the amount of power generated by the solar power generator is large and the amount of power consumed is low. It is understood that there is a high possibility that Therefore, it is possible to detect the time zone in which surplus power is likely to be generated for each consumer, and improve the estimation accuracy of the power consumption.
  • a power supply path control method is a power supply path control method for controlling connection switching between a plurality of consumers who own a power supply apparatus and a system to which power is supplied from an electric power company.
  • a supply and demand prediction step and a control step are provided.
  • the power supply / demand prediction step predicts the power supply / demand situation of a plurality of consumers.
  • the control step controls the switching of the first switching unit that switches the connection between the grid and the distribution lines of the plurality of consumers based on the prediction result in the power supply and demand prediction step, and the distribution lines that connect the plurality of consumers.
  • the second switching unit that switches the connection is controlled.
  • the first switching unit is controlled so as to cut off the connection between the power supply system from the power company to the consumer group and the consumer group. Then, among the plurality of consumers, a supply path through which surplus power is supplied from a consumer whose power supply amount (for example, power generation amount or power storage amount) is greater than the power consumption amount to a consumer with a large amount of power consumption
  • the connection of the second switching unit is controlled so as to ensure.
  • the consumer group including a plurality of consumers only needs to include at least one consumer who owns the power supply apparatus, and may include a consumer who does not own the power supply apparatus. .
  • a consumer group is a group containing two or more consumers, Comprising: Each consumer is connected by the distribution line via the 2nd switching part.
  • a power supply device owned by a consumer for example, a power generation device utilizing a renewable energy such as a solar power generation device, a wind power generation device, a geothermal power generation device, a generator, a binary power generation, an electric vehicle, a power storage device, etc. Is included.
  • the power supply and demand prediction step based on information on the power supply device owned by the consumer (for example, power generation amount, power storage amount, etc.) and information on the power consumption amount in the consumer, the total amount of power supplied by the power supply device and By comparing the total amount of power consumed by the load, the balance between power demand and supply in the consumer group is predicted.
  • the power supply / demand balance in the customer group is, for example, that even if the first consumer has more power consumption than the supply amount, the supply amount is the power consumption in the second consumer included in the same consumer group. It is conceivable that surplus power is generated in excess of the amount. In this case, it is determined that there is a sufficient supply amount for the entire consumer group by supplying surplus power from the second consumer to the first consumer.
  • the first switching unit is used to control whether or not to disconnect the system from the power company. Furthermore, in the control step, a second switching unit that switches connection of the distribution lines connecting the plurality of consumers so as to secure a power supply path to the consumers that receive the supply from the consumers that can supply surplus power. To control.
  • the first switching unit is connection switching means arranged on the distribution network between the customer group and the system, and is controlled in a control step included in the present method.
  • the second switching unit is a connection switching unit arranged on a distribution line that connects between a plurality of consumers included in the consumer group, and is controlled in a control step included in the present method in the same manner as the first switching unit.
  • the connection with the system is disconnected.
  • the connection with the system is cut to reduce the use cost of the power transmission network, and within the customer group, a power transmission path is secured from the power supply side consumer to the demand side consumer. be able to.
  • a power supply route control program is a power supply route control program for controlling connection switching between a plurality of consumers who own a power supply device and a system to which power is supplied from an electric power company.
  • a computer is caused to execute a power supply path control method including a prediction step and a control step.
  • the power supply / demand prediction step predicts the power supply / demand situation of a plurality of consumers.
  • the control step controls the first switching unit that switches the connection between the grid and the distribution lines of the plurality of consumers based on the prediction result in the power supply and demand prediction step, and connects the distribution lines that connect the plurality of consumers.
  • the second switching unit for switching between is controlled.
  • the first switching unit is controlled so as to cut off the connection between the power supply system from the power company to the consumer group and the consumer group. Then, among the plurality of consumers, a supply path through which surplus power is supplied from a consumer whose power supply amount (for example, power generation amount or power storage amount) is greater than the power consumption amount to a consumer with a large amount of power consumption
  • the connection of the second switching unit is controlled so as to ensure.
  • the consumer group including a plurality of consumers only needs to include at least one consumer who owns the power supply apparatus, and may include a consumer who does not own the power supply apparatus. .
  • a consumer group is a group containing two or more consumers, Comprising: Each consumer is connected by the distribution line via the 2nd switching part.
  • a power supply device owned by a consumer for example, a power generation device utilizing a renewable energy such as a solar power generation device, a wind power generation device, a geothermal power generation device, a generator, a binary power generation, an electric vehicle, a power storage device, etc. Is included.
  • the power supply and demand prediction step based on information on the power supply device owned by the consumer (for example, power generation amount, power storage amount, etc.) and information on the power consumption amount in the consumer, the total amount of power supplied by the power supply device and By comparing the total amount of power consumed by the load, the balance between power demand and supply in the consumer group is predicted.
  • the power supply / demand balance in the customer group is, for example, that even if the first consumer has more power consumption than the supply amount, the supply amount is the power consumption in the second consumer included in the same consumer group. It is conceivable that surplus power is generated in excess of the amount. In this case, it is determined that there is a sufficient supply amount for the entire consumer group by supplying surplus power from the second consumer to the first consumer.
  • the first switching unit is used to control whether or not to disconnect the system from the power company. Furthermore, in the control step, a second switching unit that switches connection of the distribution lines connecting the plurality of consumers so as to secure a power supply path to the consumers that receive the supply from the consumers that can supply surplus power. To control.
  • the first switching unit is connection switching means arranged on the distribution network between the customer group and the system, and is controlled in a control step included in the program.
  • the second switching unit is a connection switching unit arranged on a distribution line that connects a plurality of consumers included in the consumer group, and is controlled in a control step included in the program, similarly to the first switching unit.
  • the connection with the system is disconnected.
  • the connection with the system is cut to reduce the use cost of the power transmission network, and within the customer group, a power transmission path is secured from the power supply side consumer to the demand side consumer. be able to.
  • the block diagram which shows the connection relation of the electric power supply path
  • the flowchart which shows the flow of the electric power supply path
  • the figure which shows the electric energy supplied in the predetermined time slot
  • FIG. 7 shows a switching state of a switch that determines a power supply path to be accommodated between the customer A and the customer B for each predetermined time period according to the power supply / demand situation of the entire consumer group shown in FIG. Figure.
  • the block diagram which shows the connection relation of the electric power supply path
  • a customer A (first customer) 20 that appears in the following description owns a power generation device (solar panel 21 and wind power generation device 23) as a power supply device.
  • the customer B (second customer) 30 owns a power generation device (solar panel 31), a storage battery (power storage device 33), and an electric vehicle 38 as a power supply device.
  • the consumers A and B shall interchange the side which requires electric power, and the side which supplies surplus electric power according to a time slot
  • a consumer is, for example, an individual, a corporation, an organization, or the like who has a contract with an electric power company and uses electric power supplied from the electric power company via the grid 50 (see FIG. 1). General households (detached houses, condominiums), companies (business establishments, factories, facilities, etc.), local governments, national institutions, etc. are included.
  • the consumer includes a consumer who can supply electric power by private power generation and a consumer who has realized ZEB (Zero Energy Building).
  • the customer A20 and the customer B30 are mentioned and demonstrated one by one for convenience of explanation.
  • the combination of the consumer A20 and the consumer B30 is not limited to one-to-one.
  • strain 40 (refer FIG. 1) means the electric power system which supplies the electric power supplied from an electric power company with respect to each consumer.
  • the loads 24 and 34 mean power consumers such as an air conditioner, a refrigerator, a power range, an IH cooking heater, and a television when the consumer is a general household. is doing.
  • power consumers such as an air conditioner, a refrigerator, a power range, an IH cooking heater, and a television when the consumer is a general household. is doing.
  • EMS Electronicgy Management System
  • the loads 24 and 34 mean power consumers such as an air conditioner, a refrigerator, a power range, an IH cooking heater, and a television when the consumer is a general household. is doing.
  • EMS Electronicgy Management System
  • 26 and 36 are installed in each consumer, and are provided to reduce power consumption in each consumer.
  • the EMSs 26 and 36 are connected to the power supply path control system 10 via a network.
  • the power supply path control system 10 secures a power supply path for allowing power to be interchanged among a plurality of consumers including a customer who owns a power supply apparatus (power generation apparatus, power storage apparatus, etc.). It is provided for. Then, as shown in FIG. 1, the power supply path control system 10 switches the plurality of switching units 27, 28, 37, and 41 while changing the customer A (first customer) 20 and the customer B (second). The surplus power is interchanged with the customer.
  • the power supply path control system 10 detects a power supply / demand situation within a group of consumers including a plurality of consumers for each predetermined time period, and based on the supply / demand situation, a plurality of consumers Surplus power is interchanged. And the electric power supply path control system 10 performs control which switches the switching parts 27, 28, and 37 so that surplus electric power is supplied between the matched consumers.
  • the power supply route control system 10 of the present embodiment in a customer group including a plurality of consumers, when the power supply / demand situation is an excessive supply situation, commercial power is supplied from the power company to the customer group.
  • the connection with the system 40 for supplying power is disconnected (disconnected).
  • the connection between the customer group and the system 40 is disconnected (disconnected) by controlling the switching unit 41 to be turned off.
  • the solid line connecting the components shown in FIG. 1 indicates the flow of information such as data, and the alternate long and short dash line indicates the flow of electricity.
  • the configuration of the power supply path control system 10 of the present embodiment will be described in detail later.
  • the customer A20 transmits information on the power supply / demand situation of the customer A20 for each predetermined time zone to the power supply path control system 10 via the EMS (Energy Management System) 26.
  • the consumer A 20 includes a solar panel (power supply device) 21, a photovoltaic power conversion device (PCS) 22, a generated power sensor 22 a, and a wind power generation device (power supply device). 23, a wind power generator 23a, a load 24, a load power sensor 24a, a distribution board 25, an EMS 26, a switching unit (first switching unit) 27, and a switching unit (second switching unit) 28.
  • the solar panel (power supply device) 21 is a power generation device that generates electricity using the photovoltaic effect using the light energy of sunlight, and is installed on the roof or the like of the consumer A20. And the electric power generation amount in the solar panel 21 can be estimated based on the information regarding the sunshine time of a weather forecast.
  • a photovoltaic power generation converter (PCS (Power Conditioning System)) 22 is connected to a solar panel 21 and converts a direct current generated in the solar panel 21 into an alternating current.
  • the generated power sensor 22 a is connected to the solar power converter 22 and measures the amount of power generated by the solar panel 21.
  • the generated power sensor 22 a transmits the measurement result (power generation amount) to the EMS 26.
  • the wind power generation device (power supply device) 23 is a power generation device that generates electricity by rotating a windmill using natural wind force, and is installed in the premises of the customer A20. And the electric power generation amount in the wind power generator 23 can be estimated based on the information regarding the wind speed of a weather forecast.
  • the wind power generation power sensor 23 a is connected to the wind power generation apparatus 23 and measures the amount of power generated by the wind power generation apparatus 23. Then, the wind power generation power sensor 23 a transmits the measurement result (power generation amount) to the EMS 26.
  • the load 24 is a power consumer such as a home appliance such as an air conditioner or a refrigerator in a general household, equipment in a factory, an air conditioner, and the like. The power generated by the device 23 is consumed.
  • the load power sensor 24 a is connected to the load 24 and measures the amount of power consumed by the load 24. Then, the load power sensor 24 a transmits the measurement result (power consumption amount) to the EMS 26.
  • the distribution board 25 is connected to a power sensor for generated power 22a, a power sensor for wind power generation 23a, and a power sensor for load 24a.
  • the distribution board 25 supplies the power generated by the solar panel 21 and the wind power generator 23 to the load 24.
  • the distribution board 25 supplies surplus power generated according to the time zone to the customer B or the system 40 via the switching units 27 and 28 and the like. Thereby, consumer A20 can sell surplus electric power with respect to consumer B and electric power company which belong to the same consumer group.
  • the EMS (Energy Management System) 26 is an energy management system provided to reduce power consumption in the consumer A20. As shown in FIG. 1, each sensor 22a, 23a, 24a is used. Connected with. Further, the EMS 26 efficiently supplies the generated power in the solar panel 21 and the wind power generator 23 to the load 24 using the detection results received from the sensors 22a, 23a, and 24a. Thereby, the consumption of the electric power supplied from the system
  • the EMS 26 receives detection results from the sensors 22a, 23a, and 24a for each predetermined time period, and also provides information on weather forecasts and data on past power consumption according to the lifestyle pattern of the consumer A20. Etc.
  • the switching units 27 and 28 are respectively provided on the distribution line connecting between the consumer A 20 and the system 40 and on the distribution line of power among a plurality of consumers belonging to the same consumer group.
  • the switching unit 27 is a connection switching unit that switches the connection between the grid 40 and the distribution board 25 of the customer A20, and is controlled to be turned off when the customer A20 wants to disconnect the power supply from the grid 40.
  • the switching unit 28 is switched so as to be turned on during a time period in which the power supply is excessive in the consumer group. Thereby, the path
  • the customer A20 switches the side that desires the supply of surplus power from the outside and the side that supplies the surplus power to the outside for each predetermined time period.
  • the consumer A20 has a time zone in which the amount of power consumption by the load 24 is larger and a time zone in which the power consumption by the load 24 is smaller than the total amount of power generated by the solar panel 21 and the wind power generator 23.
  • the customer B30 transmits information on the power supply / demand situation of the customer B30 for each predetermined time zone to the power supply path control system 10 via an EMS (Energy Management System) 36.
  • the customer B 30 includes a solar panel (power supply device) 31, a photovoltaic power generation power conversion device (PCS) 32, a generated power sensor 32 a, and a power storage device (power supply device) 33.
  • the solar panel (power supply device) 31 is a power generation device that generates electricity using the photovoltaic effect using the light energy of sunlight, and is installed on the roof or the like of the customer B30. And the electric power generation amount in the solar panel 31 can be estimated based on the information regarding the sunshine time of a weather forecast.
  • a photovoltaic power generation converter (PCS (Power Conditioning System)) 32 is connected to a solar panel 31 and converts a direct current generated in the solar panel 31 into an alternating current.
  • the generated power sensor 32 a is connected to the photovoltaic power converter 32 and measures the amount of power generated by the solar panel 31. Then, the generated power sensor 32a transmits the measurement result (power generation amount) to the EMS 36.
  • the power storage device (power supply device) 33 is provided to temporarily store surplus power that cannot be consumed by the load 34 among the power generated by the solar panel 31. Thereby, even when the amount of power consumed by the load 34 is small during the daytime when power is generated by the solar panel 31, it is possible to save the generated power by storing the excess power in the power storage device 33. Can be eliminated.
  • the stored power sensor 33 a is connected to the power storage device 33 and measures the amount of power stored in the power storage device 33. Then, the stored power sensor 33a transmits the measurement result (storage amount) to the EMS 36.
  • the load 34 is a power consumer such as a home appliance such as an air conditioner or a refrigerator in a general household, equipment in a factory, an air conditioner, etc., and is generated by the power supplied from the system 40 and the solar panel 31. The electric power and the electric power stored in the power storage device 33 are consumed.
  • the load power sensor 34 a is connected to the load 34 and measures the amount of power consumed by the load 34. Then, the load power sensor 34 a transmits a measurement result (power consumption amount) to the EMS 36.
  • the distribution board 35 is connected to a generated power sensor 32a, a stored power sensor 33a, and a load power sensor 34a.
  • the distribution board 35 supplies the power generated in the solar panel 31 and the power stored in the power storage device 33 to the load 34.
  • the distribution board 35 supplies the surplus power generated according to the time zone to the customer A20 or the system 40 via the switching units 37, 28 and the like. Thereby, consumer B30 can sell surplus electric power with respect to consumer A20 and electric power company which belong to the same consumer group.
  • the EMS (Energy Management System) 36 is an energy management system provided to reduce the power consumption in the customer B30. As shown in FIG. 1, each sensor 32a, 33a, 34a is used. Connected with. Further, the EMS 36 efficiently supplies the generated power in the solar panel 31 and the power stored in the power storage device 33 to the load 34 using the detection results received from the sensors 32a, 33a, 34a. Thereby, the consumption of the electric power supplied from the system
  • the EMS 36 receives detection results from the sensors 32a, 33a, and 34a for each predetermined time zone, and also information related to weather forecasts and data related to past power consumption corresponding to the lifestyle patterns of the customer B30.
  • the switching unit (first switching unit) 37 is provided on a distribution line for power supplied from the system 40.
  • the switching unit 37 is connection switching means for switching the connection between the system 40 and the distribution board 35 of the customer B30, and is turned off when the customer B30 wants to disconnect the power supply from the system 40. Be controlled.
  • the electric vehicle 38 is a kind of power supply device owned by the customer B30, and supplies the power amount of the battery to be mounted via the distribution board 35.
  • the electric vehicle 38 is not a power supply device but a type of load 34 when charging the on-board battery.
  • the consumer B30 switches between the side that desires the supply of surplus power from the outside and the side that supplies the surplus power to the outside for each predetermined time period. For this reason, in the consumer B30, there are a time zone in which the power consumption amount by the load 34 is larger and a time zone in which the power consumption amount by the load 34 is larger than the total amount of the power generated by the solar panel 31 and the power storage amount of the power storage device 33.
  • the power supply path control system 10 controls the switching units 27, 28, and 37 to allow excess power to be interchanged among a plurality of consumers. Then, the power supply path control system 10 controls the switching unit (first switching unit) 41 to connect the customer group and the system 40 in a time zone in which the power supply / demand situation is excessively supplied in the customer group. Is disconnected (disconnected). Furthermore, as shown in FIG. 1, the power supply path control system 10 includes a power amount information acquisition unit 11, a power supply / demand prediction unit 12, a matching unit 13, a storage unit 14, and a control unit 15.
  • the power amount information acquisition unit 11 acquires information on the power supply / demand situation of each customer from the EMS 26 of the customer A20 and the EMS 36 of the customer B30.
  • the power supply and demand prediction unit 12 is configured to calculate the electric power for each predetermined time period in the customer group including the customer A20 and the customer B30 based on the information acquired by the power amount information acquisition unit 11. Predict the supply and demand situation.
  • the power supply and demand prediction unit 12 can predict the power supply amount for each predetermined time period.
  • the demand information acquired by the power amount information acquiring unit 11 includes data on the power consumption amount that changes according to the types of loads 24 and 34 owned by the consumers A20 and B30, the lifestyle pattern, and the like. As a result, the power supply / demand prediction unit 12 can predict the power consumption for each predetermined time period.
  • the matching unit 13 uses the information acquired by the power amount information acquisition unit 11 and the prediction result of the power supply / demand prediction unit 12 to generate a surplus power every predetermined time and a consumer who needs power supply. And combine. More specifically, the matching unit 13 compares the necessary power amount of each customer with the surplus power amount generated during the time period, and the conditions such as the supply date and time, the power amount, the compensation for the supply, and the like match. Detect consumer combinations.
  • the combination of a plurality of consumers detected by the matching unit 13 is not limited to one set, and when there are a plurality of combinations that satisfy a condition, a combination of a plurality of consumers may be detected as a candidate. Then, when there are a plurality of combinations that satisfy the condition, the matching unit 13 narrows down the final combinations by adding conditions such as the price for surplus power supply and loss during power transmission.
  • the storage unit 14 acquires the information acquired in the power amount information acquisition unit 11 and the late result in the power supply and demand prediction unit 12, acquires the matching result in the matching unit 13, and stores these information. Based on various information stored in the storage unit 14, the control unit 15 detects a time zone in which power is excessively supplied in the customer group including the customer A20 and the customer B30, and supplies the time zone to the time zone. A supply path for supplying power from the original consumer to the customer at the supply destination is secured. That is, the control unit 15 controls the switching units 27, 28, and 37 so that power can be exchanged with the consumers A20 and B30.
  • the control unit 15 controls the switching unit 28 to be turned on. As a result, power can be transmitted and received between the distribution boards 25 and 35.
  • the control unit 15 controls the switching unit 28 to be turned off. As a result, power cannot be transmitted and received between the distribution boards 25 and 35.
  • control unit 15 further switches the switching unit 41 when the surplus power can be accommodated by switching the switching unit 28 described above. Control to turn off.
  • the consumer group including the consumer A20 and the consumer B30 is in a state where the connection with the system 40 is disconnected (disconnected).
  • the power supply path control method is implemented according to the flowchart shown in FIG. That is, in step S11, the electric energy information acquisition unit 11 acquires information necessary for supply and demand prediction for each customer A20 and customer B30.
  • step S12 the supply and demand situation for each predetermined time in the consumer group including the consumer A20 and the consumer B30 is obtained using the prediction result of the supply and demand situation for each predetermined time in the customer A20 and the customer B30.
  • the power supply and demand prediction unit 12 makes the prediction. Specifically, as shown in FIG. 3, the power supply and demand prediction unit 12 predicts the power supply amount (kwh) for each predetermined time period for each power supply device owned by the customer A20 and the customer B30.
  • the customer A20 can supply 100 kwh of electric power by the amount of power generated by the solar panel 21 in the time zone of 10: 00-11: 00: 00 on 2015/10/30. Further, the customer A20 can supply 20 kwh of electric power according to the amount of power generated by the wind power generation device 23 in the 12: 00-15: 00 time zone of 2015/10/30.
  • the customer B30 can supply 50 kwh of electric power by the amount of power generated by the solar panel 31 in the 2015/10/30 time zone of 10: 00-11: 00: 00.
  • the customer B30 can supply 30 kwh of electric power from the electric vehicle 38 in the time zone of 16: 00-17: 00 on 2015/10/30.
  • the customer B30 can supply 20 kwh of power from the power storage device 33 in the 17: 00-18: 00 time zone of 2015/10/30.
  • the power supply / demand prediction unit 12 predicts the amount of power (kwh) consumed by the loads 24 and 34 owned by the customer A20 and the customer B30. Specifically, as shown in FIG. 4, the power supply and demand prediction unit 12 predicts the power consumption (kwh) for each predetermined time period for each of the loads 24 and 34 owned by the customer A20 and the customer B30. . In FIG. 4, the customer A20 is scheduled to consume 30 kwh of electric power for charging an electric vehicle (an example of the load 24) in a time zone of 2015-10 / 30 from 0:00 to 10:00.
  • the customer A 30 kwh of power is scheduled to be consumed by the air conditioner (an example of the load 24) in the 10: 00-11: 00 time zone of 2015/10/30. Further, the customer A20 is scheduled to consume 80 kwh of power as charging power for an electric vehicle (a type of load 24) in the same time period of 2015/10/30. Further, the customer A20 is scheduled to consume 10 kwh of power by the lighting device (an example of the load 24) in the time zone of 17: 00-18: 00 on 2015/10/30.
  • the customer B30 20 kwh of power is scheduled to be consumed by the air conditioner (an example of the load 34) in the 2015/10/30 time zone 10: 00-11: 00: 00.
  • the customer B30 is scheduled to consume 20 kwh of power by the lighting device (an example of the load 34) in the 12: 00-15: 00 time zone of 2015/10/30.
  • the customer B30 is scheduled to consume 30 kwh of electric power for charging an electric vehicle (an example of the load 34) in the 15: 00-10: 00 time zone of 2015/10/30.
  • the power supply / demand prediction unit 12 predicts the power supply / demand situation for each predetermined time period in the customer A20. Specifically, as shown in FIG. 5, the power supply / demand prediction unit 12 generates a demand of 30 kwh and a supply of 0 kwh in a time zone of 00: 00-10: 00 on 2015/10/30, thereby generating a power consumption amount. Is expected to be 30 kwh more than the amount of power supplied.
  • the power supply / demand prediction unit 12 predicts the power supply / demand situation for each predetermined time period in the customer B30. Specifically, as shown in FIG. 6, the power supply / demand prediction unit 12 predicts that neither demand nor supply will occur in the time zone of 0: 00-10: 00 on 2015/10/30.
  • the power supply / demand prediction unit 12 predicts the power supply / demand situation in the customer A20 and the customer B30, and then a consumer group (group O) including the customer A20 and the customer B30.
  • step S13 the control unit 15 switches the switching units 27, 28, 37, and 41 based on the power supply / demand situation (FIG. 7) in the consumer group (group O) predicted in step S12. Estimate information necessary for control.
  • step S14 it is determined whether the power supply amount in the customer group including the customer A20 and the customer B30 is larger than the demand amount for each predetermined time period.
  • the process proceeds to step S15.
  • the power supply amount for each predetermined time period is smaller than the demand amount, the process proceeds to step S18.
  • step S15 since the power supply / demand situation in the consumer group is in an excessive supply state, the switching unit 28 installed in the consumer group is turned ON. Thereby, in step S16, the electric power supply path
  • step S17 since power can be accommodated within the customer group, the switching unit 41 is turned off, and the connection between the distribution line of the system 40 and the customer group is disconnected (disconnected).
  • step S18 since the power supply / demand situation in the customer group is in a state of insufficient supply, power cannot be accommodated in the customer group. Therefore, the switching unit 28 installed in the consumer group is turned off.
  • step S19 since power cannot be accommodated within the customer group, the switching units 27, 37, and 41 are turned on to maintain connection (linkage) with the distribution lines of the system 40.
  • the control unit 15 repeatedly performs the above steps S11 to S19 every predetermined time, and performs switching control of the switching units 27, 28, 37, and 41 every predetermined time.
  • the switching unit 28 in order to receive power supply from the system 40 in the time period from 0:00 to 10:00 on 2015/10/30, the switching unit 28 (changeover switch) is connected.
  • the switching units 27, 37, and 41 system switch
  • the switching unit 28 switching switch
  • the switching units 27, 37, and 41 system switch
  • Neither demand nor supply is generated in the customer group in the time period from 11:00 to 12:00 on 2015/10/30. Therefore, in order to cut off the connection between the distribution line of the system 40 and the distribution network in the customer group, the switching unit 28 (switching switch) is turned off, and the switching units 27, 37, and 41 (system switch) are also turned off. In the time zone of 2015/10/30 from 12:00 to 15:00, there is a balance between supply and demand within the customer group. Therefore, in order to supply surplus power from the consumer A20 to the consumer B30, the switching unit 28 (switching switch) is turned on, and the switching units 27, 37, and 41 (system switch) are turned off.
  • the switching unit 28 (switching switch) is turned off, and the switching units 27, 37, and 41 (system switch) are also turned off.
  • the switching unit 28 switching switch
  • the switching unit 27, 37 and 41 system switch
  • the switching unit 28 In the time zone of 2015/10/30 from 17:00 to 18:00, surplus power is generated in the customer group. Therefore, in order to supply surplus power from the consumer B30 to the consumer A20, the switching unit 28 (switching switch) is turned on and the switching units 27, 37, and 41 (system switch) are turned off. In the time zone of 2015/10/30 from 18:00 to 0:00, in order to receive power supply from the system 40, the switching unit 28 (changeover switch) is turned OFF and the switching units 27, 37, 41 (system Set the switch to ON.
  • the switching units 27, 28, 37, and 41 are controlled to be switched so that excess power can be accommodated in the consumer group while disconnecting the connection. Thereby, the electric power supply path
  • etc. Is implemented so that the usage time of the distribution line of the system
  • the power supply path control method according to the present invention has been described with reference to the example in which the power supply path control is performed according to the flowchart shown in FIG.
  • the present invention is not limited to this.
  • the present invention may be realized as a power supply path control program that causes a computer to execute a power supply path control method that is implemented according to the flowchart shown in FIG.
  • the present invention may be realized as a recording medium storing this power supply path control program.
  • the electric energy information acquisition part 11 gave and demonstrated the example which acquires automatically the information regarding the supply-and-demand prediction of electric power from EMS26,36 of each consumer A20 and B30.
  • the present invention is not limited to this.
  • electronic terminals 129 and 139 are installed between the electric energy information acquisition unit 111 and the EMSs 26 and 36 of the consumers A120 and B130, respectively, and information is directly received from the consumers A120 and B130.
  • the input power supply path control system 110 may be used.
  • the electronic terminal 129 is a PC, a tablet terminal, a smartphone, a mobile phone, etc. owned by the consumer A120.
  • information necessary for power supply and demand prediction for each predetermined time zone is input to the electronic terminal 129 by the consumer A120.
  • the electronic terminal 129 is connected to the power supply path control system 110 (power amount information acquisition unit 111) via a communication line.
  • the electronic terminal 139 is a PC, a tablet terminal, a smartphone, a mobile phone, etc. owned by the customer B130.
  • information necessary for power supply and demand prediction for each predetermined time period is input to the electronic terminal 139 by the customer B130.
  • the electronic terminal 139 is connected to the power supply path control system 110 (power amount information acquisition unit 111) via a communication line.
  • the electric energy information acquisition part 111 acquires the information required in order to estimate the condition of the electric power supply and demand in each consumer for every predetermined time using the information directly input from the consumer A120 and the consumer B130 can do.
  • the electronic terminal does not need to be installed in each consumer, and may constitute a consumer group including a consumer in which the electronic terminal is installed and a consumer in which the electronic terminal is not installed. In this case, it is sufficient to acquire necessary information from the EMS for the customer in which the electronic terminal is not installed as in the first embodiment.
  • each customer A20, B30 owns a power supply device such as a solar panel 21, 31, a wind power generator 23, a power storage device 33, an electric vehicle 38, or the like. And explained.
  • the present invention is not limited to this.
  • the plurality of consumers connected to the system need only include at least one consumer who owns the power supply apparatus, and may include consumers who do not own the power supply apparatus. .
  • the switching unit is set so that surplus power is supplied to the consumer B who does not own the power supply device. What is necessary is just to control and ensure an electric power supply path
  • power generation devices such as the solar panels 21 and 31 and the wind power generation device 23, the power storage device 33, and the electric vehicle 38 are used as the power supply devices owned by the consumers A20 and B30.
  • the present invention is not limited to this.
  • a power generation device utilizing a renewable energy such as a geothermal power generation device, a generator, binary power generation, or the like may be used.
  • the power supply path control system of the present invention has an effect that a power transmission path can be appropriately secured according to the supply and demand situation of power in a plurality of consumers.
  • the present invention is widely applicable in communities including consumer groups that own devices.

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Abstract

L'invention concerne un système de commande (10) de trajet d'énergie comprenant une unité de prédiction (12) d'offre et de demande d'énergie et une unité de commande (15). L'unité de prédiction (12) d'offre et de demande d'énergie prédit l'état d'offre et de demande d'énergie de plusieurs clients pendant une période de temps prédéfinie. En fonction du résultat de prédiction de l'unité de prédiction (12) d'offre et de demande d'énergie, l'unité de commande (15) commande une unité de commutation (41) qui commute la connexion entre un système (40) et une ligne de distribution d'énergie de plusieurs clients de services, et une seconde unité de commutation (28) qui commute les connexions d'une ligne de distribution d'énergie connectant plusieurs clients de services.
PCT/JP2016/083961 2016-02-25 2016-11-16 Système de commande de trajet d'énergie, procédé de commande de trajet d'énergie et programme de commande de trajet d'énergie WO2017145457A1 (fr)

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JP7113639B2 (ja) * 2018-03-26 2022-08-05 大阪瓦斯株式会社 電力取引方法及び当該電力取引方法を実行する電力取引システム
JP7281963B2 (ja) * 2019-05-22 2023-05-26 三菱電機株式会社 エネルギー管理システム、および、エネルギー管理方法

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