WO2013179809A1 - Dispositif, système et procédé permettant de gérer l'énergie - Google Patents

Dispositif, système et procédé permettant de gérer l'énergie Download PDF

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Publication number
WO2013179809A1
WO2013179809A1 PCT/JP2013/061708 JP2013061708W WO2013179809A1 WO 2013179809 A1 WO2013179809 A1 WO 2013179809A1 JP 2013061708 W JP2013061708 W JP 2013061708W WO 2013179809 A1 WO2013179809 A1 WO 2013179809A1
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Prior art keywords
power
xems
prediction data
facility
power management
Prior art date
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PCT/JP2013/061708
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English (en)
Japanese (ja)
Inventor
明 田村
正博 吉岡
Original Assignee
株式会社 日立製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 株式会社 日立製作所 filed Critical 株式会社 日立製作所
Priority to CN201380021663.5A priority Critical patent/CN104272548B/zh
Publication of WO2013179809A1 publication Critical patent/WO2013179809A1/fr
Priority to IN9762DEN2014 priority patent/IN2014DN09762A/en

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00004—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the power network being locally controlled
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
    • 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
    • H02J3/381—Dispersed generators
    • 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
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/10—The network having a local or delimited stationary reach
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/10—The network having a local or delimited stationary reach
    • H02J2310/12—The local stationary network supplying a household or a building
    • H02J2310/14—The load or loads being home appliances
    • H02J3/383—
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/242—Home appliances

Definitions

  • the present invention relates to a technique for managing the power of a plurality of facilities.
  • the power status is compared between one's own microgrid and another microgrid.
  • Technology for controlling power transactions with microgrids is known.
  • by measuring the voltage at the grid connection point of a consumer with a distributed power source determining the consumer that is or is likely to deviate from the voltage regulation value, and comparing it with consumer information
  • a technique is known in which priority is determined and output adjustment is performed for a consumer with low priority (for example, Patent Documents 1 and 2).
  • a power management apparatus includes a communication unit and a determination unit.
  • a communication part transmits the 1st prediction data which shows the predicted value of the power supply-demand balance about the 1st installation which has a power supply and connects to an electric power grid, and the electric power of the 2nd installation linked to an electric power grid
  • the second predicted data is received from the communication network.
  • the determination unit determines whether or not power accommodation is possible based on the first prediction data and the second prediction data. When it is determined that power interchange is possible, the communication unit transmits a request permission message to another power management apparatus.
  • FIG. 1 shows a configuration of a distributed energy management system.
  • FIG. 2 shows management data of xEMS (1) in the shared data area.
  • FIG. 3 shows management data of xEMS (2) in the shared data area.
  • FIG. 4 shows the management data output process.
  • FIG. 5 shows the configuration of the factory managed by the distributed energy management system.
  • FIG. 6 shows the relationship between predicted power and target power.
  • FIG. 7 shows cooperation request processing.
  • FIG. 8 shows a specific example of the operation of the distributed energy management system.
  • Fig. 1 shows the configuration of a distributed energy management system.
  • the distributed energy management system includes a data field 10, a plurality of energy management systems 11, a gateway 17, and an energy management system 16.
  • Each of the plurality of energy management systems 11 and energy management systems 16 is a subsystem of an autonomous distributed network.
  • the plurality of energy management systems 11 are directly connected to the data field 10.
  • the energy management system 16 is connected to the data field 10 via the gateway 17.
  • the plurality of energy management systems 11 may be referred to as xEMS (x energy management system).
  • xEMS x energy management system
  • the target equipment that is the equipment to be managed by xEMS is a factory, a building, or a home
  • xEMS is called a factory energy management system, a building energy management system, or a home energy management system, respectively, depending on the target equipment.
  • the target facility includes a load that consumes power and a power source that supplies the power. This power source is also called a distributed power source because it is distributed to subsystems.
  • the data field 10 is a communication network for an autonomous distributed network, and distributes management data output from each xEMS.
  • Each xEMS may transmit management data to the data field 10 by broadcasting. In this case, each xEMS may receive necessary management data.
  • the server in the data field 10 may store the management data transmitted from each xEMS. In this case, the server in the data field 10 may transmit the management data requested from each xEMS to the request source.
  • subsystem numbers By assigning subsystem numbers to a plurality of energy management systems 11, they will be referred to as xEMS (1) to xEMS (5), respectively. Further, by assigning a subsystem number to the energy management system 16, it is called xEMS (6). There is no limit to the number of subsystems.
  • the energy management system 11 includes a communication unit 31, a determination unit 32, and a management unit 34.
  • the communication unit 31 transmits its management data to the data field 10 and receives other xEMS management data from the data field 10.
  • the determination unit 32 performs determination for power management based on the management data.
  • a target period which is a management period, is set in advance for each xEMS. The target period is, for example, one day of the factory operating day.
  • the determination unit 32 predicts the power consumption and supply power of the target facility in the target period.
  • the power consumption of the target facility is consumption due to a load in the target facility, charging of a storage battery, or the like.
  • the supply power of the target facility is power generation by a generator in the target facility, discharge of a storage battery, or the like.
  • the management unit 34 manages the power of the target facility. For example, the management unit 34 controls power consumption and supply power in the facility by controlling a power converter, a load, a circuit breaker, and the like in the facility.
  • the energy management system 16 has a management unit 34 similar to the energy management system 11.
  • the gateway 17 includes a communication unit 31 and a determination unit 32 that are the same as those of the energy management system 11. Even a subsystem such as the energy management system 16 that does not have the communication unit 31 and the determination unit 32 can be connected to the data field 10 via the gateway 17.
  • Each xEMS is, for example, a computer having a microprocessor and a memory.
  • the program stored in the memory causes the microprocessor to function as xEMS.
  • FIG. 2 shows management data of xEMS (1) in the shared data area. This state is a state in which xEMS (1) is not in a cooperative relationship with other xEMS.
  • Data field 10 provides a shared data area D1.
  • the shared data area D1 includes management data areas D11, D12, D13, D14, D15, and D16 corresponding to xEMS (1) to xEMS (6), respectively.
  • the data field 10 centrally manages the management data.
  • Each xEMS transmits management data to its own management data area, and when the management data of another xEMS is required, selects the corresponding management data area and receives the management data in the selected management data area. .
  • the management data 110 of xEMS (1) stored in the management data area D11 will be described.
  • the management data 110 includes predicted power information 111, target power information 112, and determination information 113. All management data has the same format.
  • Predicted power information 111 indicates the predicted power of xEMS (1).
  • the target power information 112 indicates the target power of xEMS (1).
  • the target power is preset for each xEMS.
  • the target power indicates the upper limit of power purchased from the commercial grid.
  • the determination unit 32 calculates predicted power that is a predicted value of purchased power in the target period based on the power consumption and supply power of the target facility in the target period.
  • the purchased power is power obtained by subtracting the power supplied from the target facility from the power consumed by the target facility.
  • the purchased power is required to be lower than the target power.
  • the predicted power and the target power may be represented by electric power or may be represented by electric energy.
  • the predicted power indicates a predicted value for each predetermined time interval in the target period. The time interval is, for example, 1 hour.
  • the determination information 113 indicates a determination result of whether or not all the predicted power within the target period is equal to or less than the target power. When all the predicted power within the target period is equal to or less than the target power, the determination information 113 indicates “OK”. When any predicted power within the target period exceeds the target power, the determination information 113 indicates “NG”.
  • the management data 110 of the xEMS (1) circulates in the data field 10, so that the xEMS (2) to (6) can acquire the management data 110 of the xEMS (1).
  • FIG. 3 shows xEMS (2) management data in the shared data area.
  • This state is a state in which xEMS (2) has a cooperative relationship with xEMS (1).
  • xEMS (2) accommodates power to xEMS (1) in response to a request from xEMS (1). That is, power is supplied from the power source of the target facility of xEMS (2) to the load of the target facility of xEMS (1).
  • the management data 120 of xEMS (2) has the same format as the management data 110, and includes predicted power information 121, target power information 122, and determination information 123.
  • the predicted power information 121 indicates the predicted power of xEMS (1) in addition to the predicted power of xEMS (2).
  • the target power information 122 indicates the target power of xEMS (1) in addition to the target power of xEMS (2).
  • the determination unit 32 of the xEMS (2) acquires the management data 110 of the xEMS (1) from the management data area D11 of the data field 10 when the cooperative relationship is formed in response to the request from the xEMS (1), and the management data 110
  • the management data 120 of xEMS (2) is generated based on the above.
  • the communication unit 31 of xEMS (2) transmits the generated management data 120 to the management data area D12 of the data field 10.
  • management data output process which is a process in which each xEMS outputs management data to the data field 10, will be described.
  • target equipment is a factory.
  • management data output processing by xEMS (1) is shown.
  • the other xEMS performs the same operation.
  • FIG. 4 shows the management data output process.
  • Each xEMS performs management data output processing at a predetermined time every day. For example, each xEMS performs management data output processing every day at 8:00 am before factory operation.
  • xEMS (1) acquires prior information, and generates target power information 112 based on the acquired prior information.
  • Prior information includes, for example, target power, weather information, production plan information, and performance information.
  • the production plan information indicates, for example, the production plan of the target factory.
  • the track record information indicates track records such as power consumption and supply power in the target factory.
  • the prior information may be stored in a storage device inside the xEMS, or may be received from a server outside the xEMS via a communication network.
  • xEMS (1) predicts the power consumption and supply power in the target factory based on the prior information, and formulates an operation plan for the target factory in the target period.
  • the operation plan shows the operation of the load and power supply in the target factory.
  • xEMS (1) calculates predicted power based on the operation plan, and generates predicted power information 111 based on the calculated predicted power.
  • xEMS (1) determines whether or not the predicted power is equal to or less than the target power.
  • xEMS (1) When it is determined that the predicted power is less than or equal to the target power (S4, YES), xEMS (1) writes “OK” in the determination information 113 in S5, and shifts the processing to S7. Note that xEMS (1) may write “OK” in the determination information 113 when the value obtained by adding a predetermined margin to the predicted power is equal to or less than the target power.
  • xEMS (1) When it is determined that the predicted power is not equal to or less than the target power (S4, NO), xEMS (1) writes “NG” in the determination information 113 in S6, and shifts the processing to S7.
  • the xEMS In S7, the xEMS generates management data 110 including the predicted power information 111, the target power information 112, and the determination information 113, and outputs the generated management data to its own management data area D11 in the data field 10.
  • Fig. 5 shows the configuration of the factory managed by the distributed energy management system.
  • the demand facility is a factory 21 and xEMS is a factory energy management system (FEMS) 11.
  • the commercial system 60 supplies electric power to the factory system 62 via the transformer 61.
  • the in-factory system 62 supplies power to the plurality of factories 21. That is, the plurality of factories 21 are linked to the in-factory system 62.
  • the factory system 62 may supply power to the low voltage system 64 via the transformer 63.
  • the factory 21 includes an FEMS 11, a load 41, a PCS (power conditioning ⁇ system) 42, a distributed power source, a wattmeter 51, a circuit breaker 52, and a transformer 53.
  • the distributed power source is, for example, a PV (photovoltaic power generation) 42, a storage battery 43, or the like.
  • one of the two factories 21 is called a factory (1) and the other is called a factory (2).
  • the FEMS 11 that manages the factory (1) is called FEMS (1)
  • the FEMS 11 that manages the factory (2) is called FEMS (2).
  • the wattmeter 51 measures the amount of power purchased from the commercial system 60 to the factory 21 and the amount of power sold from the factory 21 to the commercial system 60 and transmits them to the FEMS 11.
  • the circuit breaker 52 blocks a part of the wiring on the premises in response to an instruction from the FEMS 11.
  • the load 41 consumes power from the factory system 62 and the PCS 42.
  • the transformer 53 converts the voltage between the factory system 62 and the PCS 42.
  • the PCS 42 converts DC power output from the distributed power source into AC power. Further, the PCS 42 may switch charging / discharging of the storage battery 43.
  • the FEMS 11 controls the PCS 42 based on the operation plan.
  • the FEMS 11 is connected to the data field 10.
  • FEMS (1) writes the management data 110 to the management data area D11 in the shared data area D1.
  • the FEMS (2) writes the management data 120 in the management data area D12 in the shared data area D1. Further, the FEMS (1) can read the management data 120 from the management data area D12 of the FEMS (2). Similarly, the FEMS (2) can read the management data 110 from the management data area D11 of the FEMS (1).
  • FIG. 6 shows the relationship between predicted power and target power.
  • This figure shows a comparison result 213 between the predicted power 211 and the target power 212 in FEMS (1), and a comparison result 223 between the predicted power 221 and the target power 222 in FEMS 120.
  • this figure compares the total predicted power 231 that is the sum of the predicted powers of FEMS (1) and FEMS (2) with the total target power 232 that is the sum of the target powers of FEMS (1) and FEMS (2).
  • Result 233 is shown. That is, when FEMS (1) and FEMS (2) form a cooperative relationship, the total predicted power 231 is the sum of the predicted power 211 and the predicted power 221, and the total target power 232 is the target power 212 and the target power. The total of 222.
  • the predicted power 211, the predicted power 221, and the total predicted power 231 indicate temporal changes for each time interval within the target period.
  • the total predicted power 231 does not exceed the total target power 232. Therefore, FEMS (1) and FEMS (2) form a cooperative relationship, and supply a part of the power supply in factory (2) to factory (1), thereby reducing the shortage of power supply in factory (1). Can be resolved.
  • FIG. 7 shows the cooperation request process.
  • the distributed energy management system has N xEMSs.
  • Each xEMS is represented by xEMS (i) using a subsystem number i which is an integer from 1 to N.
  • xEMS (i) performs a cooperation request process, when its determination information is "NG" as a result of the management data output process.
  • xEMS (i) substitutes the value of i into the variable j.
  • xEMS (i) determines whether xEMS (j) has already cooperated with other xEMS.
  • xEMS (i) acquires management data of xEMS (j) from the data field 10, and when the management data of xEMS (j) includes other xEMS data, xEMS (j) It is determined that it has already cooperated with xEMS.
  • xEMS (i) shifts the process to S12.
  • xEMS (i) determines whether or not the determination information of xEMS (j) is “OK”.
  • xEMS (j) When the determination information of xEMS (j) is “OK” (S16: YES), that is, when the target power of xEMS (j) has a margin, xEMS (i) cooperates with xEMS (j) in S17. Send the request message and end this flow.
  • the above is the cooperation request processing.
  • xEMS (i) sends a cooperation request message to xEMS (j)
  • xEMS (j) sends a cooperation permission message to xEMS (i)
  • the cooperative relationship between xEMS (i) and xEMS (j) To establish.
  • xEMS (j) transmits a message of cooperation refusal to xEMS (i)
  • the cooperative relationship between xEMS (i) and xEMS (j) is not established.
  • the xEMS can request the exchange of power to another xEMS.
  • FIG. 8 shows a specific example of the operation of the distributed energy management system. This sequence diagram shows the operation of xEMS (1), xEMS (2), xEMS (3), and data field 10.
  • xEMS (1) determines whether or not the target power is sufficient.
  • xEMS (2) determines whether or not the target power is sufficient.
  • xEMS (3) determines whether the target power is sufficient.
  • the target power of xEMS (1) is insufficient, the target power of xEMS (2) is sufficient, and the target power of xEMS (3) is sufficient. That is, here, the determination information of xEMS (1) is “NG”, the determination information of xEMS (2) is “OK”, and the determination information of xEMS (3) is “OK”.
  • xEMS (1) transmits a cooperation request message to xEMS (2) having its own next subsystem number by cooperation request processing.
  • the xEMS (2) requests the management data of the request source xEMS (1) from the data field 10.
  • the xEMS (2) receives the management data of xEMS (1), adds the management data of xEMS (1) to its own management data, thereby generating its own management data and data field 10 Send to.
  • xEMS (2) determines whether the total predicted power of xEMS (1) and xEMS (2) is within an appropriate range based on the management data of xEMS (1) and xEMS (2). To do. Here, for example, when the total predicted power of xEMS (1) and xEMS (2) is less than or equal to the total target power of xEMS (1) and xEMS (2), xEMS (2) is within the appropriate range. It is determined that For example, xEMS (2) may determine that the total predicted power is within the appropriate range when a value obtained by adding a predetermined margin to the total predicted power is equal to or less than the total target power.
  • xEMS (2) transmits a cooperation permission message to xEMS (1).
  • xEMS (1) cooperates with xEMS (2), and ends this sequence.
  • xEMS (2) clears the management data of xEMS (1) in its own management data.
  • the xEMS (2) transmits a cooperation rejection message.
  • the cooperation request processing transmits a cooperation request message to xEMS (3) having the subsystem number next to xEMS (2). Processing similar to S118 is performed.
  • the xEMS (2) requests the management data of the request source xEMS (1) from the data field 10.
  • the xEMS (2) receives the management data of xEMS (1), adds the management data of xEMS (1) to its own management data, thereby generating its own management data and data field 10 Send to.
  • xEMS (2) determines whether the total predicted power of xEMS (1) and xEMS (2) is within an appropriate range based on the management data of xEMS (1) and xEMS (2). To do. Here, for example, when the total predicted power of xEMS (1) and xEMS (2) is less than or equal to the total target power of xEMS (1) and xEMS (2), xEMS (2) is within the appropriate range. It is determined that
  • xEMS (2) transmits a cooperation permission message to xEMS (1).
  • xEMS (1) cooperates with xEMS (2), and ends this sequence.
  • xEMS (2) clears the management data of xEMS (1) in its own management data.
  • xEMS (2) transmits a cooperation rejection message.
  • the xEMS of the request destination uses the sum of the predicted power of the request source and its own predicted power and the total of the target power of the request source and its own target power. Can be managed.
  • xEMS may correct the predicted power every hour. As a result of the correction, when the predicted power exceeds the target power, a cooperation request process is performed, and this process is repeatedly performed until the operation plan for one day is completed.
  • the requesting subsystem makes a cooperation request to the subsystem having the next subsystem number again.
  • whether or not the total predicted power is equal to or less than the total target power may be determined by the requesting subsystem.
  • the requesting subsystem acquires management data of the requesting subsystem from the data field 10.
  • the sub-system receiving the cooperation request may modify its own operation plan or may partially cut off the load. Further, in the request-destination subsystem that has formed a cooperative relationship, the management unit 34 may accommodate power to the target facility of the request source by controlling the power converter and the circuit breaker.
  • XEMS may also request cooperation from other xEMS.
  • xEMS (1) makes a cooperation request to xEMS (2) and xEMS (3)
  • the total predicted power of xEMS (1), xEMS (2), and xEMS (3) is xEMS (1) and xEMS (3).
  • the total target power is equal to or less than 2) and xEMS (3), these cooperative relationships are established.
  • the distributed energy management system can supplement energy between the subsystems.
  • one subsystem becomes difficult to manage energy alone due to a sudden increase in load due to the cooperation between the subsystems, one subsystem works together with another surplus subsystem.
  • total energy management becomes possible.
  • distributed power sources such as solar power generation and a storage battery
  • the load can be reduced by controlling the load such as air conditioning and lighting by the subsystem.
  • the distributed energy management system provides power interchange between subsystems to efficiently use power discharged from storage batteries and power generated by renewable energy, and use power from commercial systems. The amount can be reduced.
  • each subsystem that is a consumer performs energy management alone, and other subsystems when the load increases.
  • power interchange between subsystems can be implemented autonomously.
  • each subsystem can be interchanged with other subsystems depending on the situation, and the energy management function can be implemented as an autonomous distributed type rather than a centralized management type. Thereby, each subsystem does not need to manage the management data of all the facilities.
  • FEMS may perform energy linkage in the whole area linked with building energy management system, home energy management system, etc. in addition to energy linkage between factories by FEMS.
  • energy can be interchanged between factories, buildings, public facilities, etc. that are located in remote locations, and energy management for the entire local community is possible. It becomes possible.
  • the conventional energy management system performs energy management only within the system, but according to the embodiment described above, it is possible to efficiently use electric power in a large-scale factory and the surrounding area.
  • first prediction data indicating a predicted value of the power supply and demand balance is transmitted to the communication network, and the power supply and demand balance of the second equipment connected to the power system is transmitted.
  • a communication unit that receives the second prediction data from the communication network when receiving a message for requesting power accommodation from another power management device that transmits the second prediction data indicating the predicted value to the communication network;
  • a determination unit that determines whether or not the power accommodation is possible based on the first prediction data and the second prediction data; When it is determined that the power accommodation is possible, the communication unit transmits a message for permitting the request to the other power management device. Power management device.
  • a first power management device that transmits first prediction data indicating a predicted value of a balance between power supply and demand to a communication network for a first facility that has a power supply and is linked to a power system;
  • a second power management device that transmits second prediction data indicating a predicted value of the power supply-demand balance of the second facility linked to the power system to the communication network;
  • the first power management apparatus receives the second prediction data from the communication network when receiving a message for requesting power interchange from the second power management apparatus, and receives the first prediction data and the second prediction Based on the data, it is determined whether or not the power accommodation is possible, and when it is determined that the power accommodation is possible, the first power management device sends the request to the second power management device. Send permission messages, Power management system.
  • the first power management apparatus transmits, to the communication network, first prediction data indicating a predicted value of the power supply-demand balance for the first equipment having a power source and connected to the power system, Request for power interchange from the second power management device, wherein the first power management device transmits second prediction data indicating a predicted value of the power supply-demand balance of the second facility linked to the power system to the communication network. If the second prediction data is received from the communication network, The first power management device determines whether the power accommodation is possible based on the first prediction data and the second prediction data, When it is determined that the power accommodation is possible, the first power management device transmits a message for permitting the request to the second power management device. Power management method.
  • the power management apparatus corresponds to, for example, the energy management system 11, the energy management system 16, and the gateway 17.
  • the power system corresponds to, for example, the commercial system 61 and the factory system 62.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

Selon la présente invention, un bloc d'alimentation qui est prévu pour une pluralité d'équipements est utilisé de façon efficace. Le dispositif de gestion d'énergie est équipé d'une unité de communication et d'une unité d'évaluation. L'unité de communication transmet à un réseau de télécommunication une première donnée de prédiction indiquant la valeur prédite de l'équilibre entre la fourniture et la demande d'énergie électrique en ce qui concerne un premier équipement qui est connecté à une source d'alimentation en énergie électrique qui est dotée du bloc d'alimentation et, lorsqu'un message demandant un placement d'énergie est reçu en provenance d'un dispositif de gestion d'énergie différent qui transmet au réseau de télécommunication une seconde donnée de prédiction indiquant la valeur prédite de l'équilibre entre la fourniture et la demande d'énergie électrique d'un second équipement qui est connecté à la source d'alimentation en énergie électrique, reçoit la seconde donnée de prédiction en provenance du réseau de télécommunication. L'unité d'évaluation évalue si le placement d'énergie est possible en fonction de la première donnée de prédiction et de la seconde donnée de prédiction. S'il est estimé que le placement d'énergie est possible, l'unité de communication transmet un message approuvant la demande à l'autre dispositif de gestion d'énergie.
PCT/JP2013/061708 2012-05-28 2013-04-22 Dispositif, système et procédé permettant de gérer l'énergie WO2013179809A1 (fr)

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JP6365550B2 (ja) * 2014-01-08 2018-08-01 ソニー株式会社 電力制御装置及び電力制御方法
JP6237514B2 (ja) 2014-07-17 2017-11-29 ソニー株式会社 送受電制御装置、送受電制御方法及び送受電制御システム
JP6248859B2 (ja) 2014-08-08 2017-12-20 ソニー株式会社 電力供給装置、電力供給方法及び電力供給システム
JP6428593B2 (ja) 2015-12-14 2018-11-28 アンデン株式会社 車両接近通報装置

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JP2013247792A (ja) 2013-12-09
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JP5917292B2 (ja) 2016-05-11
CN104272548B (zh) 2016-10-26

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