CN104272548A - Device, system, and method for managing power - Google Patents
Device, system, and method for managing power Download PDFInfo
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- CN104272548A CN104272548A CN201380021663.5A CN201380021663A CN104272548A CN 104272548 A CN104272548 A CN 104272548A CN 201380021663 A CN201380021663 A CN 201380021663A CN 104272548 A CN104272548 A CN 104272548A
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- 238000000034 method Methods 0.000 title description 17
- 238000004891 communication Methods 0.000 claims abstract description 45
- 238000007726 management method Methods 0.000 claims description 190
- 238000001514 detection method Methods 0.000 claims description 15
- 230000004308 accommodation Effects 0.000 abstract 3
- 230000008569 process Effects 0.000 description 16
- 230000009471 action Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 238000004134 energy conservation Methods 0.000 description 6
- 238000013404 process transfer Methods 0.000 description 6
- 238000010248 power generation Methods 0.000 description 5
- 230000007812 deficiency Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 230000001276 controlling effect Effects 0.000 description 1
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Classifications
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—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
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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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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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
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/10—The network having a local or delimited stationary reach
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- 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
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- H02J3/383—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
Abstract
In the present invention, a power source provided to a plurality of items of equipment is effectively used. The power-management device is provided with a communication unit and an assessment unit. The communication unit transmits to a communication network a first prediction datum showing the predicted value of the balance of supply and demand of electric power in relation to a first item of equipment connected to an electric power system having the power source and, when a message requesting power accommodation is received from a different power-management device that transmits to the communication network a second prediction datum showing the predicted value of the balance of supply and demand of electric power of a second item of equipment connected to the electric power system, receives the second prediction datum from the communication network. The assessment unit assesses whether power accommodation is possible on the basis of the first prediction datum and the second prediction datum. If power accommodation is assessed to be possible, the communication unit transmits a message approving the request to the other power-management device.
Description
Technical field
The present invention relates to the technology of the electric power managing multiple equipment.
Background technology
In recent years, imported the intelligent grid of ICT (information and communication technology), the research and development of micro-capacitance sensor have been developed.Therefore, the technological development of the real example type for the purpose of the power operation realizing low carbonization and economy is main flow.And then, have studied in user sides such as factory, mansion, houses, the more efficient energy management method by the distributed power source effectively utilizing the natural energy resources such as solar power generation, storage battery such.Such as, in such energy management method, according to the situation of user, via Control on Communication distributed power source, the equalization, the electric power that carry out load are got around regulations.
Such as, known following technology: connect between multiple micro-capacitance sensor with network, when according to requirement supply electric power from user, compares power condition, according to result, controls the electricity transaction with other micro-capacitance sensor in self micro-capacitance sensor and other micro-capacitance sensor.In addition, such as, known following technology: measure the voltage with the system tie point of the user of distributed power source, infer the user having departed from voltage setting or seemed to want out-off voltage setting, with user's information contrast, thus determine the order of priority of user, carry out output adjustment (such as, patent documentation 1,2) for the user that order of priority is low.
Patent documentation 1: Japanese Unexamined Patent Publication 2011-229268 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2006-149061 publication
Summary of the invention
Use user authentication to come in the technology of requirement electric power user, according to the increase and decrease of the demands such as load change, independently cannot carry out electric power and get around regulations.In addition, control at system management facility in the technology of the distributed power source of user, need the information of managing user concentratedly.
In order to solve above-mentioned problem, the electrical management device as a mode of the present invention possesses Department of Communication Force and detection unit.Department of Communication Force is for having power supply and the first equipment be connected with electric power system, first prediction data of the predicted value representing the balance between supply and demand of electric power is sent to communication network, when receiving the message of the trust that electric power is got around regulations from other electrical management device, receive the second prediction data from communication network, the second prediction data of the predicted value representing the balance between supply and demand of the electric power of the second equipment be connected with electric power system is sent to communication network by other electrical management device wherein said.Detection unit, according to the first prediction data and the second prediction data, determines whether that can implement electric power gets around regulations.When being judged to be that can implement electric power gets around regulations, Department of Communication Force sends the message of the license of entrusting to other electrical management device.
The power supply be provided with in multiple equipment can be utilized efficiently.
Accompanying drawing explanation
Fig. 1 illustrates the structure of dispersed-type power sources management system.
Fig. 2 illustrates the management data of the xEMS (1) in sharing data area (data area).
Fig. 3 illustrates the management data of the xEMS (2) in sharing data area.
Fig. 4 illustrates management data output processing.
Fig. 5 illustrates the structure of the factory managed by dispersed-type power sources management system.
Fig. 6 illustrates the relation of prediction electric power and target power.
Fig. 7 illustrates that process is entrusted in cooperation.
Fig. 8 illustrates the concrete example of the action of dispersed-type power sources management system.
Symbol description
10: data fields (data field); 11,16: energy management system; 17: gateway; 31: Department of Communication Force; 32: detection unit; 34: management department; 110,120: management data; D1: sharing data area; D11, D12: management data district.
Embodiment
Below, the dispersed-type power sources management system of the Application Example as electric power management system of the present invention is described.
Fig. 1 illustrates the structure of dispersed-type power sources management system.This dispersed-type power sources management system has data fields 10, multiple energy management system 11, gateway 17 and energy management system 16.Each of multiple energy management system 11 and energy management system 16 is the subsystem of autonomous distributed network.Multiple energy management system 11 is directly connected with data fields 10.Energy management system 16 is connected with data fields 10 via gateway 17.
In accompanying drawing and the following description, sometimes multiple energy management system 11 is called xEMS (x energy management system:x energy management system).Such as, when the object-based device of the equipment of the object as the management based on xEMS is factory, mansion, family, according to object-based device, xEMS is called as energy for factory management system, mansion energy management system, home energy source management system respectively.In addition, object-based device has the load of power consumption and the power supply of supply electric power.This power supply is also called as distributed power source owing to being scattered in subsystem.
Data fields 10 is the communication networks for autonomous distributed network, makes the management data circulation exported from each xEMS.Management data also can be sent to data fields 10 by broadcast by each xEMS.In this case, each xEMS also can receive the management data of needs.In addition, the server in data fields 10 also can preserve the management data sent out from each xEMS.In this case, the management data that require that from each xEMS also can be sent to and require source by the server in data fields 10.
By to multiple energy management system 11 assignment subsystem numbering, be called xEMS (1)-xEMS (5).And then, by energy management system 16 also assignment subsystem numbering, be called xEMS (6).In addition, sub-system number does not limit.
Energy management system 11 has Department of Communication Force 31, detection unit 32 and management department 34.Department of Communication Force 31 sends the management data of oneself to data fields 10, receives the management data of other xEMS from data fields 10.Detection unit 32 carries out the judgement for electrical management according to management data.For each xEMS, during the object during presetting as management.Workaday 1 day of such as factory during object.In addition, the power consumption of the object-based device in during detection unit 32 forecasting object and supply electric power.The power consumption of object-based device is the charging etc. of consumption based on the load in object-based device, storage battery.The supply electric power of object-based device is the electric discharge etc. of generating based on the generator in object-based device, storage battery.The electric power of management department 34 management object equipment.Such as, management department 34 passes through power converter, load, circuit breaker etc. in control appliance, the power consumption in control appliance, supply electric power.
Energy management system 16 has the management department 34 same with energy management system 11.Gateway 17 has the Department of Communication Force 31 same with energy management system 11 and detection unit 32.Even do not have the subsystem of Department of Communication Force 31, detection unit 32 as energy management system 16, also data fields 10 can be connected to via gateway 17.
Each xEMS is the computer such as with microprocessor and memory.In this case, the program stored in memory makes microprocessor play function as xEMS.
Fig. 2 illustrates the management data of the xEMS (1) in sharing data area.This state is xEMS (1) does not form cooperation relation state with other xEMS.
Data fields 10 provides sharing data area D1.Sharing data area D1 has management data district D11, D12, D13, D14, D15, the D16 corresponding respectively with xEMS (1)-xEMS (6).Stored the management data of corresponding xEMS by management data district, data fields 10 pairs of management datas carry out unitary management.Each xEMS sends management data to the management data district of oneself, when needing the management data of other xEMS, selects corresponding management data district, the management data in the management data district that reception have selected.
Herein, the management data 110 of the xEMS (1) stored in management data district D11 is described.Management data 110 has prediction power information 111, target power information 112 and determination information 113.All management datas have same form.
Prediction power information 111 represents the prediction electric power of xEMS (1).Target power information 112 represents the target power of xEMS (1).
For each xEMS, preset target power.Target power represents the upper limit of the power purchase electric power from commercial system.Detection unit 32, according to the power consumption of the object-based device in during object and supply electric power, calculates the prediction electric power of the predicted value as the power purchase electric power in during object.Power purchase electric power deducts the supply electric power of object-based device and the electric power obtained from the power consumption of object-based device.About power purchase electric power, require to become below target power.Prediction electric power and target power both can represent with electric power, also can represent by amount of power.In addition, the predicted value of the every predetermined time interval in during predicting electric power indicated object.The time interval is such as 1 hour.
The result of determination of all prediction electric power in during determination information 113 indicated object whether below target power.All prediction electric power in during object are below target power, determination information 113 represents " OK ".Some prediction electric power in during object exceedes target power, determination information 113 represents " NG ".
By the management data 110 of such xEMS (1), data fields 10 is circulated, xEMS (2)-(6) can obtain the management data 110 of xEMS (1).
Fig. 3 illustrates the management data of the xEMS (2) in sharing data area.This state is the state that xEMS (2) and xEMS (1) form cooperation relation.In this cooperation relation, xEMS (2) gets around regulations electric power according to the trust from xEMS (1) to xEMS (1).That is, from the power supply of the object-based device of xEMS (2) to the load of the object-based device of xEMS (1) supply electric power.The management data 120 of xEMS (2) is the form same with management data 110, has prediction power information 121, target power information 122 and determination information 123.Prediction power information 121, except the prediction electric power of xEMS (2), also represents the prediction electric power of xEMS (1).Target power information 122, except the target power of xEMS (2), also represents the target power of xEMS (1).
The detection unit 32 of xEMS (2) is when forming cooperation relation according to the trust from xEMS (1), obtain the management data 110 of xEMS (1) from the management data district D11 of data fields 10, generate the management data 120 of xEMS (2) according to management data 110.Next, the management data 120 generated is sent to the management data district D12 of data fields 10 by the Department of Communication Force 31 of xEMS (2).
Below, the management data output processing of the process as each xEMS, management data being outputted to data fields 10 is described.Herein, being set to object-based device is factory.In addition, herein, the management data output processing based on xEMS (1) is represented.Other xEMS also carries out same action.
Fig. 4 illustrates management data output processing.Each xEMS carries out management data output processing in the regulation moment every day.Such as, each xEMS every day, the 8 a.m. before the work of factory carried out management data output processing.
First, in S1, xEMS (1) obtains prior information, and the prior information according to achieving generates target power information 112.Prior information comprises such as target power, weather information, production schedule information, real result information.Production schedule information table example is as the production schedule of object factory.Real result information represents the real result such as power consumption, supply electric power in object factory.Prior information both can be stored in the storage device of the inside of xEMS, also can receive via the server of communication network from the outside of xEMS.
Next, in S2, xEMS (1) is according to the power consumption in prior information prediction object factory and supply electric power, the application plan of the object factory in during formulating object.Load in application plan indicated object factory, the action of power supply.
Next, in S3, xEMS (1) according to application plan computational prediction electric power, according to the prediction electric power generation forecast power information 111 calculated.
Next, in S4, xEMS (1) judges that whether prediction electric power is as below target power.
When being judged to be that prediction electric power is below target power (S4, "Yes"), in S5, xEMS (1) writes " OK " in determination information 113, makes process transfer to S7.In addition, when predicting the surplus (margin) adding regulation in electric power, the value obtained is below target power, xEMS (1) also can write " OK " in determination information 113.
When being judged to be that prediction electric power is not below target power (S4, "No"), in S6, xEMS (1) writes " NG " in determination information 113, makes process transfer to S7.
In S7, xEMS generates the management data 110 comprising prediction power information 111, target power information 112 and determination information 113, the management data generated is outputted to the management data district D11 of oneself in data fields 10.
It is more than management data output processing.
Below, description object equipment is the concrete example of the structure of the dispersed-type power sources management system of the situation of factory.
Fig. 5 illustrates the structure of the factory managed by dispersed-type power sources management system.In this example embodiment, needing equipment to be factory 21, xEMS is energy for factory management system (FEMS:factory energy management system) 11.Commercial system 60 supplies electric power via transformer 61 to work in-house system 62.Work in-house system 62 supplies electric power to multiple factory 21.That is, multiple factory 21 is connected with work in-house system 62.Work in-house system 62 also can supply electric power via transformer 63 to low-pressure system 64.
Factory 21 has FEMS11, load 41, PCS (power conditioning system: electric power regulating system) 42, distributed power source, kilowatt meter 51, circuit breaker 52 and transformer 53.Distributed power source is such as PV (photovoltaic power generation: photovoltaic generation) 42, storage battery 43 etc.In accompanying drawing and the following description, a side of Liang Ge factory 21 is called factory (1), the opposing party is called factory (2).In addition, the FEMS11 of direct a factory (1) is called FEMS (1), the FEMS11 of direct a factory (2) is called FEMS (2).
Kilowatt meter 51 is measured and is sent to FEMS11 from commercial system 60 to the purchase of electricity of factory 21 with from factory 21 to the electricity sales amount of commercial system 60.Circuit breaker 52, according to the instruction from FEMS11, disconnects a part for the circuit in factory.Load 41 consumes the electric power from work in-house system 62 and PCS42.Transformer 53 is voltage of transformation between work in-house system 62 and PCS42.The direct current power exported from distributed power source is transformed to alternating electromotive force by PCS42.In addition, PCS42 also can switch the discharge and recharge of storage battery 43.FEMS11 is according to application plan control PCS42.
FEMS11 is connected with data fields 10.Management data 110 is write in the management data district D11 of FEMS (1) in the D1 of sharing data area.Management data 120 is write in the management data district D12 of FEMS (2) in the D1 of sharing data area.In addition, FEMS (1) can read management data 120 from the management data district D12 of FEMS (2).Similarly, FEMS (2) can read management data 110 from the management data district D11 of FEMS (1).
Below, the concrete example of prediction electric power in FEMS (1) and FEMS (2) and target power is described.
Fig. 6 illustrates the relation of prediction electric power and target power.This illustrates the comparative result 223 of prediction electric power 221 in the comparative result 213 of prediction electric power 211 in FEMS (1) and target power 212 and FEMS120 and target power 222.And then this illustrates the comparative result 233 of the total prediction electric power 231 of the total of the prediction electric power as FEMS (1) and FEMS (2) and the total target power 232 as the total of the target power of FEMS (1) and FEMS (2).Namely, when FEMS (1) and FEMS (2) has formed cooperation relation, add up to prediction electric power 231 to be prediction electric power 211 and the total predicting electric power 221, total target power 232 is totals of target power 212 and target power 222.In addition, predict electric power 211, prediction electric power 221, add up to the time variations in each time interval interior during predicting electric power 231 indicated object.
According to the comparative result 213 of FEMS (1), prediction electric power 211 is had to exceed the time with of target power 212.According to the comparative result 223 of FEMS (2), till prediction electric power 221 reaches target power 222, there is surplus.
In addition, according to the comparative result 233 added up to, add up to prediction electric power 231 to be no more than and add up to target power 232.Therefore, cooperation relation is formed by FEMS (1) and FEMS (2), and a part for the supply electric power in factory (2) is supplied to factory (1), the deficiency of the supply electric power in factory (1) can be eliminated.
Below, illustrate when certain xEMS predicts the deficiency of target power, entrust the cooperation of cooperation (electric power is got around regulations) to entrust process to other xEMS.
Fig. 7 illustrates that process is entrusted in cooperation.Herein, be set to dispersed-type power sources management system and there is N number of xEMS.In addition, be used as the subsystem number i of the integer from 1 to N, represent each xEMS by xEMS (i).XEMS (i) is in the result of management data output processing, and when the determination information of oneself is " NG ", xEMS (i) performs cooperation and entrusts process.
First, in S11, the value of i is substituted into variable j by xEMS (i).
Next, in S12, xEMS (i) determines whether j=N.
When not j=N (S12, "No"), namely exist when there is the xEMS of the subsystem number larger than i, in S13, xEMS (i) calculating adds the value of 1 to i, the value calculated is substituted into new i, makes process transfer to S15.
When j=N (S12, "Yes"), when namely there is not the xEMS with the subsystem number larger than i, in S14, xEMS (i) substitutes into i by 1, makes process transfer to S15.
In S15, xEMS (i) judges whether xEMS (j) has formed with other xEMS and cooperates.Herein, xEMS (i) obtains the management data of xEMS (j) from data fields 10, when the management data of xEMS (j) comprises the data of other xEMS, be judged to be that xEMS (j) has formed with other xEMS and cooperate.
When be judged to be xEMS (j) formed with other xEMS cooperate (S15, "Yes"), xEMS (i) makes process transfer to S12.
When be judged to be xEMS (j) do not form with other xEMS cooperate (S15, "No"), in S16, xEMS (i) judges that the determination information of xEMS (j) is whether as " OK ".
When the determination information of xEMS (j) be in the situation (S16: "No") of " NG ", target power namely at xEMS (j) without surplus, xEMS (i) makes process transfer to S12.
When the determination information of xEMS (j) be the situation (S16: "Yes") of " OK ", have surplus in target power namely at xEMS (j), in S17, xEMS (i) sends the message of cooperation trust to xEMS (j), terminates this flow process.
More than that process is entrusted in cooperation.
If after xEMS (i) to have sent the message that cooperation entrusts to xEMS (j), xEMS (j) sends the message of cooperation license to xEMS (i), then xEMS (i) sets up with the cooperation relation of xEMS (j).On the other hand, if xEMS (j) sends the message of cooperation refusal to xEMS (i), then the cooperation relation of xEMS (i) and xEMS (j) is false.
Entrust process according to this cooperation, xEMS when the target power deficiency of oneself, can entrust getting around regulations of electric power to other xEMS.
Below, the concrete example of the action of the dispersed-type power sources management system comprising cooperation trust process is described.
Fig. 8 illustrates the concrete example of the action of dispersed-type power sources management system.This sequential chart represents the action of xEMS (1), xEMS (2), xEMS (3), data fields 10.
First, in S101, xEMS (1) judges that whether target power is sufficient.Similarly, in S102, xEMS (2) judges that whether target power is sufficient.Similarly, in S103, xEMS (3) judges that whether target power is sufficient.Herein, represent that the target power of xEMS (1) is not enough, the target power of xEMS (2) is sufficient, the situation of the target power abundance of xEMS (3).That is, illustrate that the determination information of xEMS (1) is " NG " herein, the determination information of xEMS (2) is " OK ", and the determination information of xEMS (3) is the situation of " OK ".
Next, in S111, xEMS (1) entrusts process by cooperation, and the xEMS (2) to the ensuing subsystem number with oneself sends the message that cooperation is entrusted.
Next, in S112, xEMS (2) requires the management data of the xEMS (1) of custom source to data fields 10.Next, in S113, xEMS (2) receives the management data of xEMS (1), adds the management data of xEMS (1), thus generate the management data of oneself and be sent to data fields 10 in the management data of oneself.
Next, in S114, xEMS (2), according to the management data of xEMS (1) and xEMS (2), judges that the total prediction electric power of xEMS (1) and xEMS (2) is whether in proper range.Herein, when the total prediction electric power of such as xEMS (1) and xEMS (2) is below the total target power of xEMS (1) and xEMS (2), xEMS (2) is judged to add up to prediction electric power to be in proper range.In addition, when such as to adding up to that prediction electric power adds the surplus of regulation, the value that obtains is when adding up to below target power, xEMS (2) also can be judged to add up to prediction electric power to be in proper range.
When being judged to add up to prediction electric power to be in proper range (S114: "Yes"), in S115, xEMS (2) sends the message of cooperation license to xEMS (1).Next, in S116, xEMS (1) and xEMS (2) become cooperation relation, terminate this sequential.
When being judged to add up to prediction electric power not in proper range (S114: "No"), in S117, xEMS (2) removes the management data of the xEMS (1) in the management data of oneself.Next, in S118, xEMS (2) sends the message of cooperation refusal.
Next, in S121, xEMS (1) is if receive the message of cooperation refusal, then entrust process by cooperation, xEMS (3) to the ensuing subsystem number with xEMS (2) sends the message that cooperation is entrusted, and carries out the process same with S111-S118.
Next, in S122, xEMS (2) requires the management data of the xEMS (1) of custom source to data fields 10.Next, in S123, xEMS (2) receives the management data of xEMS (1), the management data of oneself is added to the management data of xEMS (1), thus generates the management data of oneself and be sent to data fields 10.
Next, in S124, xEMS (2), according to the management data of xEMS (1) and xEMS (2), judges that the total prediction electric power of xEMS (1) and xEMS (2) is whether in proper range.Herein, when the total prediction electric power of such as xEMS (1) and xEMS (2) is below the total target power of xEMS (1) and xEMS (2), xEMS (2) is judged to add up to prediction electric power to be in proper range.
When being judged to add up to prediction electric power to be in proper range (S124: "Yes"), in S125, xEMS (2) sends the message of cooperation license to xEMS (1).Next, in S126, xEMS (1) and xEMS (2) become cooperation relation, terminate this sequential.
When being judged to add up to prediction electric power not in proper range (S124: "No"), in S127, xEMS (2) removes the management data of the xEMS (1) in the management data of oneself.Next, in S128, xEMS (2) sends the message of cooperation refusal.
If there is the xEMS with the ensuing subsystem number of xEMS (2), then carry out the process same with S111-S118.
It is more than the concrete example of the action of dispersed-type power sources management system.
According to this action, entrust the xEMS of destination can use the prediction electric power of custom source and the total of the total of prediction electric power of oneself and the target power of custom source and the target power of oneself, manage the electric power of custom source and trust destination.
In addition, xEMS also can carry out by every 1 hour the correction predicting electric power.The result revised, when predicting that electric power exceedes target power, carrying out cooperation and entrusting process, till the application plan of 1 feed ration terminates, repeatedly implementing this process.
Entrust the determination information of subsystem of destination be " NG " situation, entrust the subsystem of destination become with other subsystem cooperation relation situation, be judged to be to add up to the insufficient situation of target power by the trust that cooperate under, do not form and the cooperation relation of trust destination.In this case, the subsystem of custom source carries out cooperation trust again to the subsystem with ensuing subsystem number.
In addition, cooperating in trust process, the subsystem of custom source also can judge to add up to prediction electric power whether adding up to below target power.In this case, the subsystem of custom source obtains the management data of the subsystem of entrusting destination from data fields 10.
The subsystem receiving the trust destination that cooperation is entrusted both can revise the application plan of oneself, also can carry out the part disconnection etc. of load.In addition, in the subsystem of trust destination of having formed cooperation relation, management department 34 also can by controlling power converter, circuit breaker, and the object-based device to custom source gets around regulations electric power.
In addition, xEMS also can carry out cooperation trust to other multiple xEMS.Such as, when xEMS (1) carries out cooperation trust to xEMS (2) and xEMS (3), when the total prediction electric power of xEMS (1), xEMS (2) and xEMS (3) is below the total target power of xEMS (1), xEMS (2) and xEMS (3), their cooperation relation is set up.
According to above embodiment, dispersed-type power sources management system can supplement the energy between each subsystem.In other words, cooperation relation is each by subsystem, even if when 1 subsystem is difficult to implement separately energy conservation due to the urgency increasing etc. of load, also by being considered as 1 subsystem with there being other subsystem remaining to be connected, energy conservation on the whole can be implemented.Thereby, it is possible to utilize the distributed power source such as solar power generation, storage battery efficiently.In addition, by subsystem controls air-conditioning, illumination even load, load can be reduced.In addition, between subsystem, carry out getting around regulations of electric power by dispersed-type power sources management system, the electric power from battery discharging, the electric power by renewable energy power generation can be utilized efficiently, cut down the use amount of the electric power from commercial system.
In addition, according to above embodiment, in the such extensive facility of factory, region community, each subsystem as user can pass through except carrying out except energy conservation individually, form with other subsystem when the increase of load etc. and cooperate, independently the electric power implemented between subsystem is got around regulations.In addition, when realizing such electric power and getting around regulations, each subsystem can be implemented electric power according to situation and other subsystem and get around regulations, and energy conservation functional realiey can not be embodied as autonomous decentralized for centralized management type.Thus, each subsystem is without the need to managing the management data of all devices.
In addition, FEMS is except based on except the energy cooperation between FEMS factory each other, and the energy that also can carry out in the region entirety be connected to mansion energy management system, home energy source management system etc. is connected.Like this, by each subsystem being connected with autonomous distributed network, getting around regulations of the energy can be implemented the mutual between factory, mansion, communal facility etc. of place being in separation respectively, the energy conservation in region community entirety can be realized.Energy management system is in the past only limitted to carry out energy conservation in this system, but according to above embodiment, can utilize electric power efficiently in large-scale plant and its periphery region.
The technology described in above embodiment can be as follows.
(expressing 1)
A kind of electrical management device, is characterized in that possessing:
Department of Communication Force, for there is power supply and the first equipment be connected with electric power system, first prediction data of the predicted value representing the balance between supply and demand of electric power is sent to communication network, when receiving the message of the trust that electric power is got around regulations from other electrical management device, receive described second prediction data from described communication network, the second prediction data of the predicted value representing the balance between supply and demand of the electric power of the second equipment be connected with described electric power system to be sent to described communication network by other electrical management device wherein said; And
Detection unit, according to described first prediction data and described second prediction data, determines whether that can implement described electric power gets around regulations,
When being judged to be that can implement described electric power gets around regulations, described Department of Communication Force sends the message of the license of described trust to other electrical management device described.
(expressing 2)
A kind of electric power management system, is characterized in that possessing:
First electrical management device, for having power supply and the first equipment be connected with electric power system, is sent to communication network by the first prediction data of the predicted value representing the balance between supply and demand of electric power; And
Second electrical management device, is sent to described communication network by the second prediction data of the predicted value representing the balance between supply and demand of the electric power of the second equipment be connected with described electric power system,
Described first electrical management device is when receiving the message of the trust that electric power is got around regulations from described second electrical management device, described second prediction data is received from described communication network, according to described first prediction data and described second prediction data, determine whether that can implement described electric power gets around regulations, when being judged to be that can implement described electric power gets around regulations, described first electrical management device sends the message of the license of described trust to described second electrical management device.
(performance 3)
A kind of electric power management method, is characterized in that,
First prediction data of the predicted value representing the balance between supply and demand of electric power, for having power supply and the first equipment be connected with electric power system, is sent to communication network by the first electrical management device,
When described first electrical management device receives the message of the trust that electric power is got around regulations from the second electrical management device, described second prediction data is received from described communication network, second prediction data of the predicted value representing the balance between supply and demand of the electric power of the second equipment be connected with described electric power system is sent to described communication network by wherein said second electrical management device
Described first electrical management device, according to described first prediction data and described second prediction data, determines whether that can implement described electric power gets around regulations,
When being judged to be that can implement described electric power gets around regulations, described first electrical management device sends the message of the license of described trust to described second electrical management device.
Term in these expression is described.Electrical management device is such as corresponding with energy management system 11, energy management system 16 and gateway 17.Electric power system is such as corresponding with commercial system 61 and work in-house system 62.
Claims (9)
1. an electrical management device, is characterized in that, possesses:
Department of Communication Force, for there is power supply and the first equipment be connected with electric power system, first prediction data of the predicted value representing the balance between supply and demand of electric power is sent to communication network, when receiving the message of the trust that electric power is got around regulations from other electrical management device, receive the second prediction data from described communication network, described second prediction data of the predicted value representing the balance between supply and demand of the electric power of the second equipment be connected with described electric power system is sent to described communication network by other electrical management device wherein said; And
Detection unit, according to described first prediction data and described second prediction data, determines whether that can implement described electric power gets around regulations,
When being judged to be that can implement described electric power gets around regulations, described Department of Communication Force sends the message of the license of described trust to other electrical management device described.
2. electrical management device according to claim 1, is characterized in that,
Described communication network is the data fields of autonomous decentralized system.
3. electrical management device according to claim 1, is characterized in that,
Described detection unit calculates the total of the predicted value shown in described first prediction data and the predicted value shown in described second prediction data, determines whether that can implement described electric power gets around regulations according to described total.
4. electrical management device according to claim 1, is characterized in that,
Other electrical management device described, according to described second prediction data, determines whether to need described trust, when being judged to need described trust, sends the message of described trust to other electrical management device described.
5. electrical management device according to claim 1, is characterized in that,
Described detection unit, according to the predicted value of the supply electric power of the predicted value of the power consumption of described first equipment and described first equipment, calculates described first prediction data,
Other electrical management device described, according to the predicted value of the supply electric power of the predicted value of the power consumption of described second equipment and described second equipment, calculates described second prediction data.
6. electrical management device according to claim 1, is characterized in that,
Described first prediction data represents that described first equipment is from the predicted value of the power purchase electric power of described electric power system and described first equipment from the desired value of the power purchase electric power of described electric power system,
Described second prediction data represents that described second equipment is from the predicted value of the power purchase electric power of described electric power system and described second equipment from the desired value of the power purchase electric power of described electric power system.
7. electrical management device according to claim 6, is characterized in that,
Described detection unit is according to described first prediction data and described second prediction data, calculate as described first equipment from the predicted value of the power purchase electric power of described electric power system and described second equipment from the total of the total of the predicted value of the power purchase electric power of described electric power system prediction electric power, calculate as described first equipment from the desired value of the power purchase electric power of described electric power system and described second equipment from the total target power of the total of the desired value of the power purchase electric power of described electric power system, when described total prediction electric power is below described total target power, be judged to be that can implement described electric power gets around regulations.
8. an electric power management system, is characterized in that, possesses:
First electrical management device, for having power supply and the first equipment be connected with electric power system, is sent to communication network by the first prediction data of the predicted value representing the balance between supply and demand of electric power; And
Second electrical management device, is sent to described communication network by the second prediction data of the predicted value representing the balance between supply and demand of the electric power of the second equipment be connected with described electric power system,
Described first electrical management device is when receiving the message of the trust that electric power is got around regulations from described second electrical management device, described second prediction data is received from described communication network, according to described first prediction data and described second prediction data, determine whether that can implement described electric power gets around regulations, when being judged to be that can implement described electric power gets around regulations, described first electrical management device sends the message of the license of described trust to described second electrical management device.
9. an electric power management method, is characterized in that,
First prediction data of the predicted value representing the balance between supply and demand of electric power, for having power supply and the first equipment be connected with electric power system, is sent to communication network by the first electrical management device,
When described first electrical management device receives the message of the trust that electric power is got around regulations from the second electrical management device, the second prediction data is received from described communication network, described second prediction data of the predicted value representing the balance between supply and demand of the electric power of the second equipment be connected with described electric power system is sent to described communication network by wherein said second electrical management device
Described first electrical management device, according to described first prediction data and described second prediction data, determines whether that can implement described electric power gets around regulations,
When being judged to be that can implement described electric power gets around regulations, described first electrical management device sends the message of the license of described trust to described second electrical management device.
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| PCT/JP2013/061708 WO2013179809A1 (en) | 2012-05-28 | 2013-04-22 | Device, system, and method for managing power |
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| JP6237514B2 (en) | 2014-07-17 | 2017-11-29 | ソニー株式会社 | Power transmission / reception control device, power transmission / reception control method, and power transmission / reception control system |
| JP6248859B2 (en) | 2014-08-08 | 2017-12-20 | ソニー株式会社 | Power supply apparatus, power supply method, and power supply system |
| JP6428593B2 (en) | 2015-12-14 | 2018-11-28 | アンデン株式会社 | Vehicle approach notification device |
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| JP2003324850A (en) * | 2002-04-26 | 2003-11-14 | Nippon Telegr & Teleph Corp <Ntt> | Power demand/supply adjusting system and customer controller |
| CN101529687A (en) * | 2006-10-16 | 2009-09-09 | Vpec株式会社 | Electric power system |
| CN101682195A (en) * | 2007-03-26 | 2010-03-24 | Vpec株式会社 | Power system |
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| JP2011229268A (en) * | 2010-04-19 | 2011-11-10 | Toppan Printing Co Ltd | Power control system and power control method |
| JP5178783B2 (en) * | 2010-07-07 | 2013-04-10 | 中国電力株式会社 | Electric power supply and demand adjustment system and electric power supply and demand adjustment method |
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| JP2003324850A (en) * | 2002-04-26 | 2003-11-14 | Nippon Telegr & Teleph Corp <Ntt> | Power demand/supply adjusting system and customer controller |
| CN101529687A (en) * | 2006-10-16 | 2009-09-09 | Vpec株式会社 | Electric power system |
| CN101682195A (en) * | 2007-03-26 | 2010-03-24 | Vpec株式会社 | Power system |
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