CN102280903A - V2G intelligent charging and discharging system - Google Patents
V2G intelligent charging and discharging system Download PDFInfo
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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
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/126—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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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
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
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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
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing
Abstract
The invention relates to a vehicle to grid (V2G) intelligent charging and discharging system, which comprises a monitoring center, a background management subsystem, an intelligent ammeter, a bidirectional and intelligent charging and discharging device, a charging and discharging terminal, an electric vehicle, a transformer and a power grid. The monitoring center is connected with the background management subsystem; the bidirectional and intelligent charging and discharging device is respectively connected with the background management subsystem, the intelligent ammeter, and the charging and discharging terminal; the charging and discharging terminal is connected with the electric vehicle; the intelligent ammeter is connected with the transformer; and the transformer is connected with the power grid. Compared with the prior art, the technology employed in the invention enables bidirectional interaction and exchange of the energy of an electric vehicle between a controlled state and a power grid to be realized; besides, the V2G intelligent charging and discharging system has advantages of energy conservation and environmental protection.
Description
Technical field
The present invention relates to a kind of electric motor car charge-discharge system, especially relate to a kind of V2G intelligent recharge and discharge system.
Background technology
What describe is a kind of novel power grid technology to V2G (electric automobile networking or vehicle are to electrical network), electric automobile is not only as user and electricity consumption body, simultaneously, when the electric automobile idle state, insert electrical network and provide electric power for electrical network as the green mobile energy-storage units, the energy of realizing motor vehicle under slave mode, realize and electrical network between two-way interaction and exchange.
In recent years, along with pure electric automobile technology and power lithium-ion battery technology rapid development, extensive centralized charging station has begun to occur.The 2008 Beijing city has built domestic first centralized charging station during the course of the Olympic Games, can satisfy the power battery charging demand of 50 pure electronic big bus cars.Shanghai World's Fair provided the centralized charging station that can supply 120 pure electronic big bus cars chargings in 2010.4 charging stations with the equal scale of Olympic Games charging station were built in Beijing planning in 2010 again.Other enter the city of " thousand in ten cities " plan, as Dalian, Shenzhen, Nanchang etc., all at the centralized charging station of planning construction.
Along with the construction with charging station applied of electric automobile, people not only have been confined in walking-replacing tool and " gas station " the understanding of electric automobile and charging station, but wish that developing uses widely.
Though operation at present both at home and abroad and the charging station of building, most only have simple functions of supplying with the energy for electric automobile, and domestic not have the V2G demonstrative project of being correlated with, the data of yet not publishing, a paper.
Abroad, countries such as the U.S., Germany are carrying out V2G (Vehicle to Grid) The Research of Relevant Technology, but major part all is in theory and experimental stage.
Summary of the invention
Purpose of the present invention is exactly to provide a kind of energy of realizing motor vehicle under the slave mode and the V2G intelligent recharge and discharge system of the two-way interaction between the electrical network and exchange, energy-conserving and environment-protective in order to overcome the defective that above-mentioned prior art exists.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of V2G intelligent recharge and discharge system, it is characterized in that, comprise Surveillance center, back-stage management subsystem, intelligent electric meter, two-way intelligent recharge and discharge device, discharge and recharge terminal, electric motor car, transformer, electrical network, described Surveillance center is connected with the back-stage management subsystem, described two-way intelligent recharge and discharge device respectively with back-stage management subsystem, intelligent electric meter, discharge and recharge terminal and be connected, the described terminal that discharges and recharges is connected with electric motor car, described intelligent electric meter is connected with transformer, and described transformer is connected with electrical network.
Described two-way intelligent recharge and discharge device comprises full control three-phase high-frequency rectification/inversion module and the two-way DC/DC conversion module of fully controlled bridge, one end of described full control three-phase high-frequency rectification/inversion module is connected with transformer, the other end is connected with the two-way DC/DC conversion module of fully controlled bridge, the two-way DC/DC conversion module of described fully controlled bridge with discharge and recharge terminal and be connected.
Described motor vehicle is provided with the on-vehicle battery ADMINISTRATION SUBSYSTEM, this on-vehicle battery ADMINISTRATION SUBSYSTEM is passed through a CAN bus with the current terminal voltage of battery, the current SOC value of battery, optimum charging and discharging currents of battery and duration, maximum charging and discharging currents and duration, the ceiling value of charging voltage, the minimum limit value of discharge voltage, discharge and recharge permission/illegal state, battery capacity, malfunction sends to two-way intelligent recharge and discharge device, and this two-way intelligent recharge and discharge device is with the maximum output voltage of this device, maximum output current, upstate, connection status, discharge and recharge the SOC upper lower limit value and send to the on-vehicle battery ADMINISTRATION SUBSYSTEM.
Described two-way intelligent recharge and discharge device sends to the back-stage management subsystem by first Ethernet with the current information of vehicles, charge and discharge device current state information, charge/discharge electric current and voltage value, current running time, active user's information of having connected, this back-stage management subsystem will discharge and recharge instruction, electricity price information, to the time instruction send to two-way intelligent recharge and discharge device.
The described terminal that discharges and recharges can be set two kinds of patterns, is V2G pattern, charge mode.
With user profile, charge/discharge information about power, electricity price information, information such as charge/discharge time, work at present pattern, all devices state information, current charging/discharging voltage size of current, communications status send to and discharge and recharge terminal, this discharges and recharges terminal parameter information and the interactive instruction under interactive instruction or the charge mode that user under the V2G pattern is provided with is sent to two-way intelligent recharge and discharge device described two-way intelligent recharge and discharge device by the 2nd CAN bus.
Described two-way intelligent recharge and discharge device is connected with intelligent electric meter by 485 buses, obtains 8 sections charge/discharge electricity amounts.
Described back-stage management subsystem sends to Surveillance center by second Ethernet with available Vehicular battery capacity, charging and discharging state, charge/discharge electricity amount in the region within the jurisdiction, and this Surveillance center will discharge and recharge instruction, time instruction is sent to the back-stage management subsystem.
Described information of vehicles comprises the optimum charging and discharging currents of battery capacity, current SOC value, battery and duration, maximum charging and discharging currents and duration, charging voltage ceiling value, the minimum limit value of discharge voltage, discharges and recharges permission/illegal state, fault message.
Compared with prior art, the present invention has the following advantages:
1, the energy that can realize motor vehicle is under slave mode and two-way interaction between the electrical network and exchange;
2, two-way intelligent recharge and discharge device can adopt control modes such as manual, long-range, that this locality is automatic; Have this locality and store mode of operation function and demo function at times;
3, background system obtains dispatching of power netwoks instruction, discharges and recharges decision-making, issues and discharge and recharge instruction, the interaction of realization motor vehicle and electrical network;
4, system can be operated in charge mode and V2G pattern, energy-conserving and environment-protective:
Charging interval (charging, preengage charging immediately) and charging modes (be full of automatically, fix time and decide electric weight) can be set under the charge mode;
Under the V2G pattern, can discharge and recharge vehicle SOC bound, the participation time of selecting on the terminal according to the user, automatically finish the energy two-way flow in the SOC bound scope that is provided with between vehicle and electrical network, in the basic user demand that has ensured the user, can realize information interaction and energy interaction between motor vehicle and electrical network.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a topological structure schematic diagram of the present invention.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 and Figure 2, a kind of V2G intelligent recharge and discharge system, comprise Surveillance center 1, back-stage management subsystem 2, intelligent electric meter 3, two-way intelligent recharge and discharge device 4, discharge and recharge terminal 5, electric motor car 6, transformer 7, electrical network 8, described Surveillance center 1 is connected with back-stage management subsystem 2, described two-way intelligent recharge and discharge device 4 respectively with back-stage management subsystem 2, intelligent electric meter 3, discharge and recharge terminal 5 and be connected, the described terminal 5 that discharges and recharges is connected with electric motor car 6, described intelligent electric meter 3 is connected with transformer 7, and described transformer 7 is connected with electrical network 8.
The function of each assembly is as follows:
Surveillance center 1: data acquisition and supervision control, monitoring network load state provides dispatch command;
Back-stage management subsystem 2: but be used for realizing to two-way intelligent recharge and discharge device 4 manage, discharge and recharge policy control, information such as charge/discharge capacity in 1 system of Surveillance center provides the institute compass of competency.
Two-way intelligent recharge and discharge device 4: be used to realize that direct current under AC to DC and the discharge condition under the charged state is to the Power Conversion that exchanges.
Discharge and recharge terminal 5: be used to realize that man-machine interaction, identification, charging and discharging state show, discharge and recharge and open/stop control, metering and billing, discharge and recharge functions such as plug management, bill printing;
Intelligent electric meter 3: two-way multi-period metering, local information store, with two-way intelligent recharge and discharge device 4 two-way communications.
As shown in Figure 2, be embodiment of the present invention system topological figure, its Power Conversion part is mainly realized by two-way intelligent recharge and discharge device 4.
(1) the Power Conversion function realizes
Two-way intelligent recharge and discharge device 4 adopts modularized design, mainly comprises the two-way DC/DC conversion module of full control three-phase high-frequency rectification/inversion module and fully controlled bridge.
The net side adopts full control three-phase, and high-frequency rectification/inversion module inserts electrical network, but this module four quadrant running, both can be meritorious from the electrical network absorption, after the conversion of the two-way DC/DC conversion module of fully controlled bridge, charge the battery, also the energy content of battery can be fed back to electrical network.Have energy-conservation, input power factor height, characteristics such as the current harmonics aberration rate is low.AC/DC power cell controlled target is exactly will realize two-way DC/DC link input direct voltage stable, this programme AC/DC power model has adopted three single-phase AC/DC full-bridge high-frequency rectification circuits, because the direct voltage utilance of single-phase bridge can reach 1, DC bus-bar voltage is controlled at about DC380V.Three AC/DC modules are just kept the voltage of dc bus when DC/DC discharges and recharges operation stable, and sharing control (or all power) is realized by a back level DC/DC module.
When vehicle mounted dynamic battery charges, AC/DC absorbs active power to keep the stable of DC/DC output dc voltage from electrical network, when storage battery energy outwards discharges by DC/DC, the AC/DC module is discharged into storage battery energy in the electrical network for the dc voltage of stablizing the DC/DC input port will change the inversion mode of operation automatically over to.
For realizing big capacity applications, DC/DC partly takes multimode parallel running dilatation, automatic current equalizing between each module.Each direct current module capacity is 10kW, adopts 3 DC/DC module parallel running dilatations for the application of this programme 30kW.The I/O of three DC/DC modules all is connected in parallel, and the sharing control between each module is finished by the equalizing control circuit of DC inside modules, and current unevenness weighing apparatus degree is less than 5%.The DC/DC module adopts the high-frequency soft switch technology to raise the efficiency, and each inside modules has independently digital-to-analogue mixing control circuit, function opposite independent, and latch-up protection separately during the individual module operation troubles does not influence the normal operation of other module.Can constitute the N+1 redundant system.
(2) communication function is realized
1) two-way intelligent recharge and discharge device 4 is realized with on-vehicle battery ADMINISTRATION SUBSYSTEM 61 information interaction functions
Two-way intelligent recharge and discharge device 4 adopts the CAN communication with on-vehicle battery ADMINISTRATION SUBSYSTEM 61, understand vehicle (battery) the present situation, obtain battery and whether allow charge/discharge, current SOC value, current terminal voltage, optimum charge/discharge current and duration, maximum charge/discharge current and duration; Two-way intelligent recharge and discharge device 4 with its facility information (maximum output voltage, maximum output current, upstate, connection status), discharge and recharge the SOC upper lower limit value and be sent to on-vehicle battery ADMINISTRATION SUBSYSTEM 61; On-vehicle battery ADMINISTRATION SUBSYSTEM 61 is sent to two-way intelligent recharge and discharge device 4 with battery information (discharging and recharging permission/illegal state, the current terminal voltage of battery, current SOC value, optimum/maximum charging and discharging currents and duration, the ceiling value of charging voltage, the minimum limit value of discharge voltage, battery capacity);
2) two-way intelligent recharge and discharge device 4 is realized with back-stage management subsystem 2 information interaction functions
Two-way intelligent recharge and discharge device 4 adopts ethernet communications with back-stage management subsystem 2, obtain discharge and recharge instruction, electricity price information, to the time instruct; Two-way intelligent recharge and discharge device 4 with currently connected Vehicular battery information, facility information (comprising equipment state (charging, discharge, standby, shutdown, fault etc.), charge/discharge electric current and voltage value, current running time, active user's information etc.) is sent to background management system; Two-way intelligent recharge and discharge device 4 carries out the charge and discharge operation according to the current SOC of Vehicular battery, realizes the two-way flow of energy
3) two-way intelligent recharge and discharge device 4 with discharge and recharge terminal 5 information interaction functions and realize
Two-way intelligent recharge and discharge device 4 adopts CAN to communicate by letter with discharging and recharging terminal 5, discharge and recharge interactive instruction under parameter information (the SOC bound value of setting, participation time etc.) that terminal 5 is provided with user under the V2G pattern or the charge mode (charging interval is selected, charging modes is selected, stop charge/discharge, start charge, the instruction of checking out) be sent to two-way intelligent recharge and discharge device 4; Two-way intelligent recharge and discharge device 4 is with user profile, charge/discharge information about power, electricity price information, information such as charge/discharge time, work at present pattern, equipment state are sent to and discharge and recharge terminal 5 and show.
4) two-way intelligent recharge and discharge device 4 is realized with intelligent electric meter 3 information interaction functions
Two-way intelligent recharge and discharge device 4 adopts 485 to communicate by letter with intelligent electric meter 3, regularly obtains ammeter data, and electric energy metrical adopts two-way multistage metering (the charge and discharge electric weight is divided into 4 sections and measures, and corresponding 4 sections electricity prices);
(3) back-stage management subsystem 2 controlled function realize
Back-stage management subsystem 2 adopts ethernet communication with Surveillance center 1, obtain Surveillance center 1 discharge and recharge instruction, to the time information such as instruction, and information such as available Vehicular battery capacity, charging and discharging state, charge/discharge electricity amount in the region within the jurisdiction are sent to Surveillance center 1;
Back-stage management subsystem 2 discharges and recharges instruction according to what Surveillance center 1 issued, and according to the information that inserts vehicle, decision-making participates in the V2G vehicle and also carries out power division.
Say technically, V2G can realize the friendly interaction with electrical network, be the integrated of industries such as advanced communication, IT, the energy, new material, transducer, also being the integrated application of power distribution network technology, network technology, the communication technology, sensor technology, power electronic technology, energy storage technology, is the important composition that promotes the intelligent grid development.
The V2G that contains distributed energy-storage units has with big electrical network complementation, can alleviate advantages such as mains supply anxiety and raising electric network reliability.Along with the development of technology, V2G also can further reduce the investment and the operation cost of electric power system, and the fail safe and the economy of power system operation improved in superhuge power station and disperse the investment that can be reduced on the electric line that combines in miniature power station.Especially, compare with numerous distributed power sources, the advantage of V2G maximum is that when large area blackout appearred in big electrical network, V2G still can keep normal operation, can improve the anti-disaster ability of electric power system thus.
Claims (9)
1. V2G intelligent recharge and discharge system, it is characterized in that, comprise Surveillance center, back-stage management subsystem, intelligent electric meter, two-way intelligent recharge and discharge device, discharge and recharge terminal, electric motor car, transformer, electrical network, described Surveillance center is connected with the back-stage management subsystem, described two-way intelligent recharge and discharge device respectively with back-stage management subsystem, intelligent electric meter, discharge and recharge terminal and be connected, the described terminal that discharges and recharges is connected with electric motor car, described intelligent electric meter is connected with transformer, and described transformer is connected with electrical network.
2. a kind of V2G intelligent recharge and discharge according to claim 1 system, it is characterized in that, described two-way intelligent recharge and discharge device comprises full control three-phase high-frequency rectification/inversion module and the two-way DC/DC conversion module of fully controlled bridge, one end of described full control three-phase high-frequency rectification/inversion module is connected with transformer, the other end is connected with the two-way DC/DC conversion module of fully controlled bridge, the two-way DC/DC conversion module of described fully controlled bridge with discharge and recharge terminal and be connected.
3. a kind of V2G intelligent recharge and discharge according to claim 1 system, it is characterized in that, described motor vehicle is provided with the on-vehicle battery ADMINISTRATION SUBSYSTEM, this on-vehicle battery ADMINISTRATION SUBSYSTEM is passed through a CAN bus with the current terminal voltage of battery, the current SOC value of battery, optimum charging and discharging currents of battery and duration, maximum charging and discharging currents and duration, the ceiling value of charging voltage, the minimum limit value of discharge voltage, discharge and recharge permission/illegal state, battery capacity, malfunction sends to two-way intelligent recharge and discharge device, and this two-way intelligent recharge and discharge device is with the maximum output voltage of this device, maximum output current, upstate, connection status, discharge and recharge the SOC upper lower limit value and send to the on-vehicle battery ADMINISTRATION SUBSYSTEM.
4. a kind of V2G intelligent recharge and discharge according to claim 1 system, it is characterized in that, described two-way intelligent recharge and discharge device sends to the back-stage management subsystem by first Ethernet with the current information of vehicles, charge and discharge device current state information, charge/discharge electric current and voltage value, current running time, active user's information of having connected, this back-stage management subsystem will discharge and recharge instruction, electricity price information, to the time instruction send to two-way intelligent recharge and discharge device.
5. a kind of V2G intelligent recharge and discharge according to claim 1 system is characterized in that the described terminal that discharges and recharges can be set two kinds of patterns, is V2G pattern, charge mode.
6. a kind of V2G intelligent recharge and discharge according to claim 1 system, it is characterized in that, with user profile, charge/discharge information about power, electricity price information, information such as charge/discharge time, work at present pattern, all devices state information, current charging/discharging voltage size of current, communications status send to and discharge and recharge terminal, this discharges and recharges terminal parameter information and the interactive instruction under interactive instruction or the charge mode that user under the V2G pattern is provided with is sent to two-way intelligent recharge and discharge device described two-way intelligent recharge and discharge device by the 2nd CAN bus.
7. a kind of V2G intelligent recharge and discharge according to claim 1 system is characterized in that described two-way intelligent recharge and discharge device is connected with intelligent electric meter by 485 buses, obtains 8 sections charge/discharge electricity amounts.
8. a kind of V2G intelligent recharge and discharge according to claim 1 system, it is characterized in that, described back-stage management subsystem sends to Surveillance center by second Ethernet with available Vehicular battery capacity, charging and discharging state, charge/discharge electricity amount in the region within the jurisdiction, and this Surveillance center will discharge and recharge instruction, time instruction is sent to the back-stage management subsystem.
9. a kind of V2G intelligent recharge and discharge according to claim 1 system, it is characterized in that described information of vehicles comprises the optimum charging and discharging currents of battery capacity, current SOC value, battery and duration, maximum charging and discharging currents and duration, charging voltage ceiling value, the minimum limit value of discharge voltage, discharges and recharges permission/illegal state, fault message.
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| CN201010197305.8A CN102280903B (en) | 2010-06-10 | 2010-06-10 | V2G intelligent charging and discharging system |
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| CN201010197305.8A CN102280903B (en) | 2010-06-10 | 2010-06-10 | V2G intelligent charging and discharging system |
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Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103078360A (en) * | 2012-10-29 | 2013-05-01 | 中国电力科学研究院 | Standard cluster power supply system of electronic automobile |
| CN103441558A (en) * | 2013-08-06 | 2013-12-11 | 奇瑞汽车股份有限公司 | Charge control method, electric car car-mounted terminal and charge control system |
| CN103490485A (en) * | 2012-06-12 | 2014-01-01 | 现代摩比斯株式会社 | Apparatus for bidirectional electric power supply between electric vehicle and smart grid and method of bidirectionally supplying electric power employing the same |
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