CN108695870A - Fill energy storage integrated system - Google Patents

Fill energy storage integrated system Download PDF

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Publication number
CN108695870A
CN108695870A CN201810354680.5A CN201810354680A CN108695870A CN 108695870 A CN108695870 A CN 108695870A CN 201810354680 A CN201810354680 A CN 201810354680A CN 108695870 A CN108695870 A CN 108695870A
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CN
China
Prior art keywords
energy
charging
storage
electric energy
converter
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Legal status (The legal status 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 status listed.)
Granted
Application number
CN201810354680.5A
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Chinese (zh)
Other versions
CN108695870B (en
Inventor
魏志立
黄世霖
沈高松
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Contemporary Amperex Technology Co Ltd
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Contemporary Amperex Technology Co Ltd
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Priority to CN201810354680.5A priority Critical patent/CN108695870B/en
Publication of CN108695870A publication Critical patent/CN108695870A/en
Application granted granted Critical
Publication of CN108695870B publication Critical patent/CN108695870B/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • H02J13/0006Circuit 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 for single frequency AC networks
    • H02J13/0013Circuit 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 for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit
    • H02J13/0017Circuit 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 for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit with direct transmission between the control or monitoring unit and the controlled or monitored unit
    • H02J13/0075Circuit 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 for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit with direct transmission between the control or monitoring unit and the controlled or monitored unit using radio means
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381Dispersed generators
    • H02J3/382Dispersed generators the generators exploiting renewable energy
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/46Controlling of the sharing of output between the generators, converters, or transformers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70Smart grids as climate change mitigation technology in the energy generation sector
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/7853
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/14Energy storage units
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems
    • Y04S20/242Home appliances
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

Abstract

The present invention provides one kind filling energy storage integrated system, is related to electric power field.This fills energy storage integrated system, including voltage current transformation system, energy-storage system, charging system and data monitoring system.Voltage current transformation system is configured as carrying out current transformation or voltage transformation between power grid, energy-storage system and charging system;Energy-storage system is configured as the electric energy of storage electrical grid transmission, and provides electric energy for charging system and/or power grid;Charging system is configured as the electric energy provided using power grid and/or energy-storage system, charges for external electrical equipment;Data monitoring system is configured as obtaining electric energy regulation and control parameter, regulates and controls parameter according to electric energy, the electric energy transmission between regulation and control power grid, voltage current transformation system, energy-storage system and charging system.The charging quality of external electrical equipment charging can be risen to using the technical solution in the embodiment of the present invention.

Description

Fill energy storage integrated system
Technical field
The present invention relates to electric power fields more particularly to one kind filling energy storage integrated system.
Background technology
With extensive utilization of the new energy in every field, more make to there is more electric vehicles and charging pile to be put into With.Charging pile can be included in charging network system.In order to meet the charge requirement of user, need according to overall city planning, electricity The factors such as network planning stroke, user distribution and user demand, plan charging network system.
Currently, the electrical equipments such as electric vehicle can directly take electricity by charging pile from the power grid in charging network system.But It is that, since network load ability is limited, a large amount of electric energy needed for charging pile can be that power grid brings huge pressure.For example, when big When the electric vehicle concentration of batch charges in a period of time, a large amount of electric energy can be exported from power grid, to cause power grid short Time off-capacity.Power grid can be reduced to the charging quality of electrical equipment charging by excessive pressure.
Invention content
An embodiment of the present invention provides one kind filling energy storage integrated system, can rise to filling for external electrical equipment charging Electricity quality.
On the one hand, an embodiment of the present invention provides a kind of storages to fill energy integral system, including voltage current transformation system, storage It can system, charging system and data monitoring system;Voltage current transformation system is connected to power grid, energy-storage system and charging system Between, voltage current transformation system is configured as carrying out current transformation or voltage between power grid, energy-storage system and charging system Transformation;Energy-storage system, is configured as the electric energy of storage electrical grid transmission, and provides electric energy for charging system and/or power grid;It fills Electric system is configured as the electric energy provided using power grid and/or energy-storage system, charged for external electrical equipment;Data monitoring system System, data monitoring system connect voltage current transformation system, energy-storage system and charging system, are configured as obtaining electric energy regulation and control ginseng Number regulates and controls parameter according to electric energy, and the electric energy between regulation and control power grid, voltage current transformation system, energy-storage system and charging system passes It is defeated.
Fill energy storage integrated system an embodiment of the present invention provides one kind, including voltage current transformation system, energy-storage system, Charging system and data monitoring system.Data monitoring system can obtain electric energy regulation and control parameter, and regulate and control parameter according to electric energy, adjust Control the electric energy transmission between power grid, voltage current transformation system, energy-storage system and charging system.Voltage current transformation system can It converts electric energy into meet the electric energy of power grid, energy-storage system and charging system requirement, so that power grid, energy-storage system and charging The electric energy that system can be come using transmission.Charging system can not only utilize the electricity that power grid is provided by voltage current transformation system It can be that external electrical equipment charges, be also external electricity consumption by the electric energy that voltage current transformation system provides using energy-storage system Equipment charge.The problem of charging quality caused by power grid is by excessive pressure reduces is avoided, is external to improve The charging quality of electrical equipment charging.
Description of the drawings
From below in conjunction with the accompanying drawings to the present invention specific implementation mode description in may be better understood the present invention wherein, Same or analogous reference numeral indicates same or analogous feature.
Fig. 1 fills the structural schematic diagram of energy integral system for a kind of storage in one embodiment of the invention;
Fig. 2 is a kind of structural schematic diagram filling energy storage integrated system in another embodiment of the present invention;
Fig. 3 is a kind of structural schematic diagram filling energy storage integrated system in further embodiment of this invention.
Specific implementation mode
The feature and exemplary embodiment of various aspects of the invention is described more fully below.In following detailed description In, it is proposed that many details, in order to provide complete understanding of the present invention.But to those skilled in the art It will be apparent that the present invention can be implemented in the case of some details in not needing these details.Below to implementing The description of example is just for the sake of by showing that the example of the present invention is better understood from the present invention to provide.The present invention never limits In any concrete configuration set forth below and algorithm, but cover under the premise of without departing from the spirit of the present invention element, Any modification, replacement and the improvement of component and algorithm.In the the accompanying drawings and the following description, well known structure and skill is not shown Art is unnecessary fuzzy to avoid causing the present invention.
An embodiment of the present invention provides a kind of storages to fill energy integral system.The storage is filled energy integral system and is connect with power grid, Can by voltage and current change system by power grid and storage fill can be in integral system energy-storage system and charging system be connected to, by Data monitoring system is monitored and regulates and controls to the electric energy transmitted in power grid, energy-storage system and charging system.To realize power grid, The efficient utilization of the electric energy transmitted in energy-storage system and charging system.Energy-storage system may be that charging system sets external electricity consumption The standby process power supply charged, to rise to the charging quality of external electrical equipment charging.
Fig. 1 fills the structural schematic diagram of energy integral system for a kind of storage in one embodiment of the invention.In Fig. 1, straight line connects Expression electrical connection is connect, arrow connection indicates communication connection.As shown in Figure 1, it includes voltage current transformation that energy integral system is filled in storage System 11, energy-storage system 12, charging system 13 and data monitoring system 14.
Voltage current transformation system 11 is connected between power grid, energy-storage system 12 and charging system 13, voltage current transformation System 11 is configured as carrying out current transformation or voltage transformation between power grid, energy-storage system 12 and charging system 13.Due to electricity The requirement of net, energy-storage system 12 and charging system 13 to electric energy is different.For example, differentiation of the electric energy according to alternating current-direct current, can be divided into Alternating current and direct current.Electric energy is according to the differentiation of voltage levels, the voltage that can be divided within the scope of different voltages value.Electric energy is according to electricity Flow the differentiation of height, the electric current that can be also divided into different current value ranges.Therefore, in power grid, energy-storage system 12 and Charging Between system 13, it by voltage or current transformation is to meet power grid, energy-storage system 12 and Charging to need voltage current transformation system 11 The requirement for the voltage or electric current that system 13 respectively requires.
It is electrical connection between voltage current transformation system 11, energy-storage system 12, charging system 13 and power grid, to real Existing transmission of the electric energy between voltage current transformation system 11, energy-storage system 12, charging system 13 and power grid.
Energy-storage system 12, is configured as the electric energy of storage electrical grid transmission, and is provided for charging system 13 and/or power grid Electric energy.In one example, energy-storage system 12 may include more than one in single battery core, battery modules, battery pack.And monomer Battery core, battery modules, the number of battery pack can be one, or it is multiple, it does not limit herein.Energy-storage system 12 also may be used Including the equipment that other can store electric energy, do not limit herein.
When filling energy storage integrated system and being detached with power grid and (fill energy storage integrated system and be in off-network state), energy storage is filled Energy-storage system 12 in integral system is also used as emergency power supply or stand-by power supply, provides electric energy for charging system 13, makes Obtaining charging system 13 can charge to external electrical equipment.
And energy-storage system 12 can provide electric energy for charging system 13 jointly with power grid cooperative cooperating.In charging system When 13 needs are to a large amount of external electrical equipment centrally connected power supplies, energy-storage system 12 or charging system 13 are powered, to mitigate electricity The burden of net, meets the needs of high-power charging.
Charging system 13 is configured as the electric energy provided using power grid and/or energy-storage system 12, is filled for external electrical equipment Electricity.The electric energy that charging system 13 is utilized by the charging of external electrical equipment, may come from power grid, can be from energy storage system System 12, could also be from power grid and energy-storage system 12.
In one example, charging system 13 may include more than one charging equipment.Charging equipment can be external electricity consumption Equipment charge.For example, in the scene of new-energy automobile charging, charging system 13 may include more than one charging pile, each Charging pile can be that new-energy automobile charges.
Data monitoring system 14, data monitoring system 14 connect voltage current transformation system 11, energy-storage system 12 and charging System 13, be configured as obtain electric energy regulation and control parameter, according to electric energy regulate and control parameter, regulation and control power grid, voltage current transformation system 11, Electric energy transmission between energy-storage system 12 and charging system 13.Data monitoring system 14 and voltage current transformation system 11, energy storage Communication connection can be used in system 12 and charging system 13, convenient for transmission data and instruction etc..
In one example, electric energy regulation and control parameter may include voltage current transformation system 11, energy-storage system 12 and Charging Unite 13 respective current values, voltage value, power etc. can indicate the parameter of power quality.Data monitoring system 14 can be according to electric energy Regulate and control parameter, the electric energy transmission between regulation and control power grid, voltage current transformation system 11, energy-storage system 12 and charging system 13.From And make charging system 13 when the pressure of power grid is larger, energy-storage system 12 can be utilized to be passed by voltage current transformation system 11 Defeated next electric energy, charges to external electrical equipment.
In embodiments of the present invention, charging system 13 can not only utilize power grid to be provided by voltage current transformation system 11 Electric energy be external electrical equipment charging, be also by the electric energy that voltage current transformation system 11 provides using energy-storage system 12 External electrical equipment charging.Power grid and energy-storage system 12 can cooperate provides electric energy for charging system 13, avoids due to power grid The problem of being reduced by charging quality caused by excessive pressure, to improve the charging quality to charge for external electrical equipment. For example, charge to new-energy automobile in the places such as community, market, company, gas station or parking lot, it is real using the present invention It applies in example and fills energy storage integrated system regulation electric energy, charge to new-energy automobile, power grid pressure can be effectively relieved, and The charging quality to charge to new-energy automobile can be improved.
Voltage current transformation system 11, energy-storage system 12 and charging system 13 are supervised by data monitoring system 14 Regulation and control transmission of the electric energy in voltage current transformation system 11, energy-storage system 12 and charging system 13, energy-storage system 12 are realized in control Also electric energy can be provided for power grid by voltage and current change system, to reduce external charge equipment charge shadow caused by power grid It rings.
Data monitoring system 14 can also control having for voltage current transformation system 11, energy-storage system 12 and charging system 13 Work(power and reactive power, and by controlling voltage current transformation system 11, energy-storage system 12 and charging system 13, realize low The functions such as voltage ride-through and the support of sound state power grid.
Fig. 2 is a kind of structural schematic diagram filling energy storage integrated system in another embodiment of the present invention.In fig. 2, straight line Connection indicates that electrical connection, arrow connection indicate communication connection.Fig. 2 the difference from Fig. 1 is that, fill energy storage integrated system also It may include electricity generation system 15.
Electricity generation system 15 connects voltage current transformation system 11 and data monitoring system 14, and electricity generation system 15 is configured as certainly Power generation, and provide electric energy for more than one in power grid, charging system 13, energy-storage system 12.Electricity generation system 15 can with self power generation, And the electric energy that self power generation generates is supplied to more than one in power grid, charging system 13, energy-storage system 12.Electricity generation system 15 has The mode of body power generation can be the generation modes such as wind-power electricity generation, photovoltaic generation, water generating, not limit herein.
Electricity generation system 15 can cooperate with energy-storage system 12 and power grid, be charging system 13 by voltage current transformation system 11 Electric energy is provided, the pressure of power grid is further decreased.Electricity generation system 15 can also be provided by voltage current transformation system 11 for power grid Electric energy, to further decrease the influence caused by power grid the charging of external electrical equipment of charging system 13.
When filling energy storage integrated system and being detached with power grid and (fill energy storage integrated system and be in off-network state), power generation system System 15 can be used as emergency power supply or stand-by power supply, be that charging system 13 provides electric energy by voltage current transformation system 11.
Electricity generation system 15 also can provide electric energy for energy-storage system 12, so that energy-storage system 12 can store electric energy, and Electric energy is provided for other structures.
The electric energy that 15 self power generation of electricity generation system generates has a variety of whereabouts, so that 15 self power generation of electricity generation system generated Electric energy can realize 100% consumption, avoid waste of energy.Electricity generation system 15 is also incorporated into the power networks with power grid, and can link with power grid, just It is spent in the price for obtaining the electric energy that electricity generation system 15 generates.
Electric energy regulation and control parameter, which may also include current value, voltage value, power of electricity generation system 15 etc., can indicate power quality Parameter.Data monitoring system 14 can also regulate and control parameter, regulation and control power grid, voltage current transformation system 11, energy-storage system according to electric energy 12, the electric energy transmission between charging system 13 and electricity generation system 15.Monitoring of the data monitoring system 14 to electricity generation system 15, also may be used Realize the function of virtual synchronous machine power generation.
Fig. 3 is a kind of structural schematic diagram filling energy storage integrated system in further embodiment of this invention.In figure 3, straight line Connection indicates that electrical connection, arrow connection indicate communication connection.Fig. 3 the difference from Fig. 2 is that, it is shown in Fig. 3 to fill energy storage one Body system may also include DC bus 16.
DC bus 16 connects voltage current transformation system 11 and energy-storage system 12.Energy-storage system 12 is also configured to lead to DC bus 16 and voltage and current change system are crossed, electric energy is provided to charging system 13 and/or power grid.That is, direct current is female It is direct current on line 16, charging system 13 can utilize DC converting (i.e. DC/DC transformation), electricity is taken from DC bus 16.It avoids Traditional charging system 13 needs first to carry out adverse current transformation, is exchange by DC converting, then carry out rectifying conversion, by exchange conversion For the process of direct current, to improve the energy efficiency of power supply and energy storage between energy-storage system 12 and charging system 13.
Voltage current transformation system 11 in Fig. 2 may include transformer 111,112 (i.e. DC/ of DC converter in Fig. 3 DC), AC converter 113 (i.e. AC/AC), AC/DC convertor 112114 (i.e. DC/AC), distribution system 115 and energy storage are two-way Current transformer 116 (Power Control System, PCS).
Wherein, power grid connects distribution system 115 and energy storage bidirectional converter 116 by transformer 111.Distribution system 115 Connect AC converter 113, AC/DC convertor 112114 and energy storage bidirectional converter 116.Energy storage bidirectional converter 116 connects DC converter 112.
In one example, energy-storage system 12 can be communicated to connect with DC converter 112.Energy-storage system 12 can be double with energy storage It is communicated to connect to current transformer 116.
Electricity generation system 15 in Fig. 2 may include the wind power plant 151 in Fig. 3 and/or photovoltaic power generation equipment 152.Wind Power generating equipment 151 connects AC converter 113.Photovoltaic power generation equipment 152 connects AC/DC convertor 112114.
Wind power plant 151 can pass through AC converter 113, distribution system 115, energy storage bidirectional converter 116 and straight Busbar 16 is flowed, electric energy is transferred to energy-storage system 12.
Wind power plant 151 can also be passed electric energy by AC converter 113, distribution system 115 and transformer 111 It is defeated by power grid.
Photovoltaic power generation equipment 152 can pass through AC/DC convertor 112114, distribution system 115, energy storage bidirectional converter 116 With DC bus 16, electric energy is transferred to energy-storage system 12.
Photovoltaic power generation equipment 152 also can be by AC/DC convertor 112114, distribution system 115 and transformer 111, will be electric Power grid can be transferred to.
In one example, AC converter 113 can be communicated to connect with wind power plant 151.AC/DC convertor 112114 can communicate to connect with photovoltaic power generation equipment 152.
Charging system 13 in Fig. 2 may include the direct-current charging post 131 in Fig. 3 and/or alternating-current charging pile 132.Direct current fills Electric stake 131 connects DC converter 112.DC converter 112 can be lifted DC loop voltage to adapt to various current needs Charging pile.
Wherein, charging system 13 may include multiple direct-current charging posts 131, may also comprise multiple alternating-current charging piles 132.One In a example, work(that direct-current charging post 131 and alternating-current charging pile 132 in charging system 13 charge to external electrical equipment Rate is adjustable, to realize the external electrical equipment of multiple types charging normal in filling energy storage integrated system.
Direct-current charging post 131 can utilize power grid to pass through transformer 111, energy storage bidirectional converter 116, DC bus 16 and straight The electric energy that current converter 112 transmits charges for external electrical equipment.
Direct-current charging post 131 can utilize the electric energy that energy-storage system 12 is transmitted by DC bus 16 and DC converter 112, It charges for external electrical equipment.
Direct-current charging post 131 is double by AC converter 113, distribution system 115, energy storage using wind power plant 151 The electric energy transmitted to current transformer 116 and DC converter 112, charges for external electrical equipment.
Direct-current charging post 131 can utilize photovoltaic power generation equipment 152 by AC/DC convertor 112114, distribution system 115, The electric energy that energy storage bidirectional converter 116 and DC converter 112 transmit, charges for external electrical equipment.
Alternating-current charging pile 132 can utilize the electric energy that power grid is transmitted by transformer 111 and distribution system 115, be external use Electric equipment charges.
Alternating-current charging pile 132 can pass through DC bus 16, energy storage bidirectional converter 116 and distribution using energy-storage system 12 The electric energy that system 115 is transmitted charges for external electrical equipment.
Alternating-current charging pile 132 can utilize the electric energy that wind power plant 151 is transmitted by AC converter 113, be external Charging equipment charges.
Alternating-current charging pile 132 can utilize the electric energy that photovoltaic power generation equipment 152 is transmitted by alternating current-direct current charging pile 131, be outer Connect charging equipment charging.
In one example, DC converter 112 can be communicated to connect with direct-current charging post 131.
Data monitoring system 14 in Fig. 2 may include background monitoring system 141, local monitoring system 142 and electricity in Fig. 3 System 143 (Energy Management System, EMS) can be managed.Background monitoring system 141, local monitoring system 142, It can be communicated to connect between electric energy management system 143, realize background monitoring system 141, local monitoring system 142 and electric energy management system Data transmission between system 143.Wired communication mode may be used in communication connection, can also use communication.
Background monitoring system 141 connects local monitoring system 142, and background monitoring system 141 is configured as remotely monitoring this The electric energy that ground monitoring system 142 obtains regulates and controls parameter, generates remote control commands to control local monitoring system 142.
In one example, background monitoring system 141 can regulate and control parameter according to electric energy, generate remote control commands to control Local monitoring system 142.
In one example, background monitoring system 141 also can receive the operational order that operating personnel send out, and be referred to according to operation It enables and generates remote control commands, to control local monitoring system 142.
In one example, background monitoring system 141 can be remote equipment.For example, background monitoring system 141 is telenet Network server.Alternatively, background monitoring system 141 also can be in the portable terminal with the side of application program (Application, APP) Formula exists.For example, operating personnel can monitor local monitoring system 142 by the application program on mobile phone.
In one example, a background monitoring system 141 can monitor multiple local monitoring systems 142.Multiple local prisons Electric energy can be regulated and controled parameter and be uploaded to background monitoring system 141 by control system 142, to realize data sharing.
Local monitoring system 142 connects electric energy management system 143, and local monitoring system 142 is configured as obtaining and monitor The electric energy that electric energy management system 143 obtains regulates and controls parameter, generates control instruction to control electric energy management system 143.
In one example, local monitoring system 142 can regulate and control parameter according to electric energy, generate control instruction to control electric energy Management system 143.
In one example, the remote control commands that local monitoring system 142 can be sent according to background monitoring system 141, Control instruction is generated to control electric energy management system 143.
In one example, local monitoring system 142 also can receive the operational order that operating personnel send out, and be referred to according to operation It enables and generates control instruction, to control electric energy management system 143.
Electric energy management system 143 connects voltage current transformation system 11, energy-storage system 12 and charging system 13, electric energy management System 143 is configured as obtaining electric energy regulation and control parameter, and electric energy regulation and control parameter is sent to local monitoring system 142;According to control Instruction, the electric energy transmission between allotment control voltage current transformation system 11, energy-storage system 12 and charging system 13.
In one example, electric energy management system 143 can be with energy-storage system 12, DC converter 112, energy storage Bidirectional variable-flow Device 116, distribution system 115, alternating-current charging pile 132, AC converter 113 and AC/DC convertor 112114 communicate to connect.Than Such as, CAN bus (i.e. CAN bus) mode can be used to be communicatively coupled.
Data monitoring system 14 in Fig. 2 may also include the output equipment 144 in Fig. 3.Output equipment 144 and local monitor System 142 connects.The output equipment 144 can be display screen, printer, loud speaker etc., not limit herein.
The electric energy that local monitoring system 142 obtains can be regulated and controled parameter in the form of image or sound etc. by output equipment 144 Show, so that operating personnel intuitively obtain the content of the monitoring of local monitoring system 142.
It should be clear that each embodiment in this specification is described in a progressive manner, each embodiment it Between just to refer each other for same or analogous part, the highlights of each of the examples are it is different from other embodiment it Place.The invention is not limited in specific structures described above and shown in figure.Feature, knot described in this specification Structure or characteristic can be in any suitable manner incorporated in one or more embodiments.Those skilled in the art can lead After spirit that can be of the invention, various changes, modification and addition are made.Also, it for brevity, omits here to known skill The detailed description of art.

Claims (15)

1. energy integral system is filled in a kind of storage, which is characterized in that including voltage current transformation system, energy-storage system, charging system And data monitoring system;
The voltage current transformation system is connected between power grid, the energy-storage system and the charging system, the voltage electricity Stream transformation system is configured as carrying out current transformation or voltage between the power grid, the energy-storage system and the charging system Transformation;
The energy-storage system, is configured as storing the electric energy that the electrical grid transmission comes, and is the charging system and/or described Power grid provides electric energy;
The charging system is configured as the electric energy provided using the power grid and/or the energy-storage system, is set for external electricity consumption Standby charging;
The data monitoring system, the data monitoring system connect the voltage current transformation system, the energy-storage system and The charging system is configured as obtaining electric energy regulation and control parameter, regulates and controls parameter according to the electric energy, regulate and control the power grid, described Electric energy transmission between voltage current transformation system, the energy-storage system and the charging system.
2. according to claim 1 fill energy storage integrated system, which is characterized in that the energy storage integrated system of filling also is wrapped DC bus is included, the DC bus connects the voltage current transformation system and the energy-storage system;
The energy-storage system is additionally configured to through the DC bus and the voltage and current change system, to the Charging System and/or the power grid provide electric energy.
3. according to claim 2 fill energy storage integrated system, which is characterized in that the voltage current transformation system includes Transformer, DC converter, AC converter, AC/DC convertor, distribution system and energy storage bidirectional converter;
The power grid connects the distribution system and the energy storage bidirectional converter by transformer;
The distribution system connects the AC converter, the AC/DC convertor and the energy storage bidirectional converter;
The energy storage bidirectional converter connects the DC converter.
4. as claimed in any of claims 1 to 3 fill energy storage integrated system, which is characterized in that described to fill energy storage Integral system further includes:
Electricity generation system, the electricity generation system connect the voltage current transformation system and the data monitoring system, the power generation System is configured as self power generation, and provides electricity for more than one in the power grid, the charging system, the energy-storage system Energy.
5. according to claim 4 fill energy storage integrated system, which is characterized in that the electricity generation system includes wind-power electricity generation Equipment, the wind power plant connect the AC converter,
The wind power plant is configured as:
By the AC converter, the distribution system, the energy storage bidirectional converter and the DC bus, electric energy is passed It is defeated by the energy-storage system;
By the AC converter, the distribution system and the transformer, electric energy is transferred to the power grid.
6. according to claim 4 fill energy storage integrated system, which is characterized in that the electricity generation system includes photovoltaic generation Equipment, the photovoltaic power generation equipment connect the AC/DC convertor,
The photovoltaic power generation equipment is configured as:
By the AC/DC convertor, the distribution system, the energy storage bidirectional converter and the DC bus, by electric energy It is transferred to the energy-storage system;
By the AC/DC convertor, the distribution system and the transformer, electric energy is transferred to the power grid.
7. according to claim 4 fill energy storage integrated system, which is characterized in that the charging system includes DC charging Stake, the direct-current charging post connect the DC converter,
The direct-current charging post is configured as:
Pass through the transformer, the energy storage bidirectional converter, the DC bus and the DC converting using the power grid The electric energy of device transmission, for the external electrical equipment charging;
The electric energy transmitted by the DC bus and the DC converter using the energy-storage system is the external electricity consumption Equipment charge.
8. according to claim 5 fill energy storage integrated system, which is characterized in that the charging system includes DC charging Stake, the direct-current charging post connect the DC converter,
The direct-current charging post is configured as passing through the AC converter, the power distribution system using the wind power plant The electric energy of system, the energy storage bidirectional converter and DC converter transmission, for the external electrical equipment charging.
9. according to claim 6 fill energy storage integrated system, which is characterized in that the charging system includes DC charging Stake, the direct-current charging post connect the DC converter,
The direct-current charging post is configured as passing through the AC/DC convertor, the power distribution system using the photovoltaic power generation equipment The electric energy of system, the energy storage bidirectional converter and DC converter transmission, for the external electrical equipment charging.
10. according to claim 4 fill energy storage integrated system, which is characterized in that the charging system includes that exchange is filled Electric stake,
The alternating-current charging pile is configured as:
The electric energy transmitted by the transformer and the distribution system using the power grid, is filled for the external electrical equipment Electricity;
It is transmitted by the DC bus, the energy storage bidirectional converter and the distribution system using the energy-storage system Electric energy, for the external electrical equipment charging.
11. according to claim 5 fill energy storage integrated system, which is characterized in that the charging system includes that exchange is filled Electric stake, the alternating-current charging pile are configured as the electric energy transmitted by the AC converter using the wind power plant, For the external charge equipment charge.
12. according to claim 6 fill energy storage integrated system, which is characterized in that the charging system includes that exchange is filled Electric stake, the alternating-current charging pile are configured as the electricity transmitted by the alternating current-direct current charging pile using the photovoltaic power generation equipment Can, it is the external charge equipment charge.
13. according to claim 4 fill energy storage integrated system, which is characterized in that the data monitoring system also by with It is set to and parameter is regulated and controled according to the electric energy, parameter is regulated and controled according to the electric energy, regulates and controls the voltage current transformation system, the storage Electric energy that can be between system, the electricity generation system and the charging system transmits.
14. according to claim 1 fill energy storage integrated system, which is characterized in that after the data monitoring system includes Platform monitoring system, local monitoring system, electric energy management system;
The background monitoring system connects the local monitoring system, and the background monitoring system is configured as described in remotely monitoring The electric energy that local monitoring system obtains regulates and controls parameter, generates remote control commands to control the local monitoring system;
The local monitoring system connects the electric energy management system, and the local monitoring system is configured as obtaining and monitoring institute The electric energy regulation and control parameter for stating electric energy management system acquisition, generates control instruction to control the electric energy management system;
The electric energy management system connection voltage current transformation system, the energy-storage system and the charging system, the electric energy Management system is configured as obtaining the electric energy regulation and control parameter, and electric energy regulation and control parameter is sent to the local monitor system System;According to the control instruction, allotment control the voltage current transformation system, the energy-storage system and the charging system it Between electric energy transmission.
15. according to claim 14 fill energy storage integrated system, which is characterized in that the data monitoring system further includes Output equipment, the output equipment connect the local monitoring system.
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