CN102280903B - V2G intelligent charging and discharging system - Google Patents
V2G intelligent charging and discharging system Download PDFInfo
- Publication number
- CN102280903B CN102280903B CN201010197305.8A CN201010197305A CN102280903B CN 102280903 B CN102280903 B CN 102280903B CN 201010197305 A CN201010197305 A CN 201010197305A CN 102280903 B CN102280903 B CN 102280903B
- Authority
- CN
- China
- Prior art keywords
- discharge
- charge
- charging
- intelligent
- discharge device
- Prior art date
- 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.)
- Active
Links
- 238000007599 discharging Methods 0.000 title claims abstract description 38
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 46
- 230000005611 electricity Effects 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 230000002452 interceptive effect Effects 0.000 claims description 7
- 230000007257 malfunction Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 13
- 230000003993 interaction Effects 0.000 abstract description 11
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000007726 management method Methods 0.000 description 18
- 238000004891 communication Methods 0.000 description 8
- 238000004146 energy storage Methods 0.000 description 3
- 208000018672 Dilatation Diseases 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 241000519996 Teucrium chamaedrys Species 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
-
- 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]
-
- 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]
-
- 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
-
- 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
-
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
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 charging/discharging 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 electric automobile idle state, as green mobile energy-storage units access electrical network, provide electric power for electrical network, the energy of realizing motor vehicle under slave mode, realize and electrical network between two-way interaction and exchange.
In recent years, along with developing rapidly of pure electric automobile technology and power lithium-ion battery technology, extensive centralized charging station has started to occur.2008 Beijing city has built domestic first centralized charging station during the course of the Olympic Games, can meet the power battery charging demand of 50 pure electric bus.Within 2010, Shanghai World's Fair provides the centralized charging station that can charge for 120 pure electric bus.4 charging stations with Olympic Games charging station same size are built in Beijing planning for 2010 again.Other enter the city of " ten thousand, cities " plan, as Dalian, Shenzhen, Nanchang etc., all at the centralized charging station of planning construction.
Along with the construction with charging station of applying of electric automobile, the understanding of electric automobile and charging station has not only been confined to walking-replacing tool to people and " gas station " is upper, but wish developing application widely.
Although at present both at home and abroad operation and the charging station of building, most only have simple functions of supplying with the energy for electric automobile, and domestic do not have relevant V2G demonstrative project, the data of yet not publishing, a paper.
Abroad, the countries such as the U.S., Germany are in the research of carrying out V2G (Vehicle to Grid) correlation technique, but major part is all in theory and experimental stage.
Summary of the invention
Object of the present invention is exactly the V2G Intelligent charging/discharging system that the two-way interaction of a kind of energy of realizing motor vehicle under slave mode and between electrical network and exchange, energy-conserving and environment-protective are provided in order to overcome the defect that above-mentioned prior art exists.
Object of the present invention can be achieved through the following technical solutions:
A kind of V2G Intelligent charging/discharging system, it is characterized in that, comprise Surveillance center, back-stage management subsystem, intelligent electric meter, Bidirectional intelligent charge and discharge device, discharge and recharge terminal, electric motor car, transformer, electrical network, described Surveillance center is connected with back-stage management subsystem, described Bidirectional intelligent charge 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 Bidirectional intelligent charge 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 on-vehicle battery ADMINISTRATION SUBSYSTEM, this on-vehicle battery ADMINISTRATION SUBSYSTEM is worked as front voltage by a CAN bus by battery, the current SOC value of battery, the 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 Bidirectional intelligent charge and discharge device, this Bidirectional intelligent charge and discharge device is by the maximum output voltage of this device, maximum output current, upstate, connection status, discharge and recharge SOC upper lower limit value and send to on-vehicle battery ADMINISTRATION SUBSYSTEM.
Described Bidirectional intelligent charge and discharge device sends to back-stage management subsystem by the first Ethernet by 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 time instruction send to Bidirectional intelligent charge and discharge device.
Described discharge and recharge terminal and can set two kinds of patterns, is V2G pattern, charge mode.
Described Bidirectional intelligent charge and discharge device is by the 2nd CAN bus by user profile, charge/discharge information about power, electricity price information, the information such as charge/discharge time, work at present pattern, all devices state information, current charging/discharging voltage size of current, communications status sends to and discharges and recharges terminal, and this discharges and recharges parameter information that terminal arranges user under V2G pattern and the interactive instruction under interactive instruction or charge mode sends to Bidirectional intelligent charge and discharge device.
Described Bidirectional intelligent charge and discharge device is connected with intelligent electric meter by 485 buses, obtains 8 sections of charge/discharge electricity amounts.
Described back-stage management subsystem sends to Surveillance center by the second Ethernet by available Vehicular battery capacity, charging and discharging state, charge/discharge electricity amount in region within the jurisdiction, this Surveillance center will discharge and recharge instruction, to time instruction send to 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, two-way interaction and the exchange of the energy that can realize motor vehicle under slave mode and between electrical network;
2, Bidirectional intelligent charge and discharge device can adopt the control modes such as manual, long-range, this locality is automatic; There is 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, realizes the interaction of motor vehicle and electrical network;
4, system can be operated in charge mode and V2G pattern, energy-conserving and environment-protective:
Charging interval (charging immediately, preengage charging) and charging modes (be automatically full of, fix time and determine electric weight) can be set under charge mode;
Under V2G pattern, can discharge and recharge vehicle SOC bound, the participation time of selecting in terminal according to user, automatically complete the energy in bidirectional flow within the scope of the SOC bound arranging between vehicle and electrical network, in the basic user demand that has ensured user, information interaction and the energy that can realize between motor vehicle and electrical network are interactive.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is topological structure schematic diagram of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
As shown in Figure 1 and Figure 2, a kind of V2G Intelligent charging/discharging system, comprise Surveillance center 1, back-stage management subsystem 2, intelligent electric meter 3, Bidirectional intelligent charge 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 Bidirectional intelligent charge 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 is controlled with supervision, monitoring network load state, provides dispatch command;
Back-stage management subsystem 2: for realize to Bidirectional intelligent charge and discharge device 4 manage, discharge and recharge policy control, to Surveillance center's 1 system provide in institute compass of competency can charge/discharge capacity etc. information.
Bidirectional intelligent charge and discharge device 4: for realize AC to DC under charged state with the direct current under discharge condition to the power conversion exchanging.
Discharge and recharge terminal 5: for realizing man-machine interaction, identification, charging and discharging state demonstration, discharging and recharging functions such as opening/stop control, metering and billing, charge-discharge plug management, bill printing;
Intelligent electric meter 3: two-way multi-period metering, local information store, with 4 two-way communications of Bidirectional intelligent charge and discharge device.
As shown in Figure 2, be embodiment of the present invention system topological figure, its power conversion part is mainly realized by Bidirectional intelligent charge and discharge device 4.
(1) power conversion function realizes
Bidirectional intelligent charge 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.
Net side adopts full control three-phase high-frequency rectification/inversion module access electrical network, and this module can four quadrant running, both can absorb from electrical network meritoriously, after the two-way DC/DC conversion module conversion of fully controlled bridge, charges the battery, and also the energy content of battery can be fed back to electrical network.Have energy-conservation, the feature such as input power factor is high, and Current harmonic distortion rate is low.It is exactly will realize two-way DC/DC link input direct voltage stable that AC/DC power cell is controlled target, 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 DC380V left and right.Three AC/DC modules just maintain the voltage stabilization of DC bus when DC/DC discharges and recharges operation, and sharing control (or equal power) is realized by rear class DC/DC module.
When vehicle mounted dynamic battery charges, AC/DC absorbs active power to maintain the stable of DC/DC output dc voltage from electrical network, when storage battery energy outwards discharges by DC/DC, AC/DC module will proceed to inversion mode of operation automatically for stablizing the DC voltage of DC/DC input port, and storage battery energy is discharged in electrical network.
For realizing large capacity applications, DC/DC partly takes multiple module paralleling operation dilatation, automatic current equalizing between each module.Each DC Module capacity is 10kW, for 3 DC/DC module parallel running dilatations of application employing of this programme 30kW.The I/O of three DC/DC modules is all connected in parallel, and the sharing control between each module is completed by the equalizing control circuit of DC inside modules, and current-unbalance degree is less than 5%.DC/DC module adopts high-frequency soft switch technology to raise the efficiency, and each inside modules has independently digital-to-analogue and mixes control circuit, function opposite independent, and latch-up protection separately during individual module operation troubles, does not affect the normal operation of other module.Can form N+1 redundant system.
(2) communication function is realized
1) Bidirectional intelligent charge and discharge device 4 is realized with on-vehicle battery ADMINISTRATION SUBSYSTEM 61 information interaction functions
Bidirectional intelligent charge and discharge device 4 adopts 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, when front voltage, optimum charge/discharge current and duration, maximum charge/discharge current and duration; Bidirectional intelligent charge and discharge device 4 by its facility information (maximum output voltage, maximum output current, upstate, connection status), discharge and recharge SOC upper lower limit value and be sent to on-vehicle battery ADMINISTRATION SUBSYSTEM 61; On-vehicle battery ADMINISTRATION SUBSYSTEM 61 is sent to Bidirectional intelligent charge and discharge device 4 by battery information (discharging and recharging permission/illegal state, battery when the ceiling value of front voltage, current SOC value, optimum/maximum charging and discharging currents and duration, charging voltage, the minimum limit value of discharge voltage, battery capacity);
2) Bidirectional intelligent charge and discharge device 4 is realized with back-stage management subsystem 2 information interaction functions
Bidirectional intelligent charge and discharge device 4 adopts ethernet communications with back-stage management subsystem 2, obtain discharge and recharge instruction, electricity price information, to time instruction; Bidirectional intelligent charge and discharge device 4 by currently having connected Vehicular battery information, facility information (comprising equipment state (charging, electric 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; Bidirectional intelligent charge and discharge device 4 carries out charge and discharge operation according to the current SOC of Vehicular battery, realizes the two-way flow of energy
3) Bidirectional intelligent charge and discharge device 4 with discharge and recharge terminal 5 information interaction functions and realize
Bidirectional intelligent charge and discharge device 4 adopts CAN to communicate by letter with discharging and recharging terminal 5, discharges and recharges terminal 5 interactive instruction under the parameter information (SOC bound settings, participation time etc.) of user's setting under V2G pattern or charge mode (charging interval selection, modes selecting, termination charge/discharge, startup charging, the instruction of checking out) is sent to Bidirectional intelligent charge and discharge device 4; Bidirectional intelligent charge and discharge device 4 is by user profile, charge/discharge information about power, electricity price information, the information such as charge/discharge time, work at present pattern, equipment state is sent to and discharges and recharges terminal 5 and show.
4) Bidirectional intelligent charge and discharge device 4 is realized with intelligent electric meter 3 information interaction functions
Bidirectional intelligent charge and discharge device 4 adopts 485 to communicate by letter with intelligent electric meter 3, timing acquisition ammeter data, and electric energy metrical adopts two-way multistage metering (charge and discharge electric weight is divided into 4 sections and measures, and corresponding 4 sections of electricity prices);
(3) back-stage management subsystem 2 is controlled function realization
Back-stage management subsystem 2 adopts ethernet communication with Surveillance center 1, obtain Surveillance center 1 discharge and recharge instruction, to time the information such as instruction, and the information such as available Vehicular battery capacity, charging and discharging state, charge/discharge electricity amount in region within the jurisdiction are sent to Surveillance center 1;
Back-stage management subsystem 2 issues according to Surveillance center 1 discharges and recharges instruction, and according to the information of access vehicle, decision-making participates in V2G vehicle and also carries out power division.
Say technically, V2G can realize with the close friend of electrical network interactive, the integrated of advanced communication, IT, the energy, new material, sensor industry, 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 intelligent grid development.
The V2G that contains distributed energy storage unit has with large electrical network complementation, can alleviate mains supply anxiety and improve the advantages such as electric network reliability.Along with the development of technology, V2G also can further reduce investment and the operation cost of electric power system, and superhuge power station can be reduced in the investment on electric line with disperseing the combination of Midget plant, improves fail safe and the economy of power system operation.Especially, compare with numerous distributed power sources, the advantage of V2G maximum is that when large area blackout appears in large electrical network, V2G still can keep normal operation, can improve thus the anti-disaster ability of electric power system.
Claims (7)
1. a V2G Intelligent charging/discharging system, it is characterized in that, comprise Surveillance center, back-stage management subsystem, intelligent electric meter, Bidirectional intelligent charge and discharge device, discharge and recharge terminal, electric motor car, transformer, electrical network, described Surveillance center is connected with back-stage management subsystem, described Bidirectional intelligent charge 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 motor vehicle is provided with on-vehicle battery ADMINISTRATION SUBSYSTEM, this on-vehicle battery ADMINISTRATION SUBSYSTEM is worked as front voltage by a CAN bus by battery, the current SOC value of battery, the 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 Bidirectional intelligent charge and discharge device, this Bidirectional intelligent charge and discharge device is by the maximum output voltage of this device, maximum output current, upstate, connection status, discharge and recharge SOC upper lower limit value and send to on-vehicle battery ADMINISTRATION SUBSYSTEM,
Described Bidirectional intelligent charge and discharge device sends to back-stage management subsystem by the first Ethernet by 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 time instruction send to Bidirectional intelligent charge and discharge device.
2. a kind of V2G Intelligent charging/discharging system according to claim 1, it is characterized in that, described Bidirectional intelligent charge 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 charging/discharging system according to claim 1, is characterized in that, described discharge and recharge terminal and can set two kinds of patterns, and be V2G pattern, charge mode.
4. a kind of V2G Intelligent charging/discharging system according to claim 1, it is characterized in that, described Bidirectional intelligent charge and discharge device is by the 2nd CAN bus by user profile, charge/discharge information about power, electricity price information, charge/discharge time, work at present pattern, all devices state information, current charging/discharging voltage size of current, communicate status information send to and discharge and recharge terminal, and this discharges and recharges parameter information that terminal arranges user under V2G pattern and the interactive instruction under interactive instruction or charge mode sends to Bidirectional intelligent charge and discharge device.
5. a kind of V2G Intelligent charging/discharging system according to claim 1, is characterized in that, described Bidirectional intelligent charge and discharge device is connected with intelligent electric meter by 485 buses, obtains 8 sections of charge/discharge electricity amounts.
6. a kind of V2G Intelligent charging/discharging system according to claim 1, it is characterized in that, described back-stage management subsystem sends to Surveillance center by the second Ethernet by available Vehicular battery capacity, charging and discharging state, charge/discharge electricity amount in region within the jurisdiction, this Surveillance center will discharge and recharge instruction, to time instruction send to back-stage management subsystem.
7. a kind of V2G Intelligent charging/discharging system according to claim 1, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010197305.8A CN102280903B (en) | 2010-06-10 | 2010-06-10 | V2G intelligent charging and discharging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010197305.8A CN102280903B (en) | 2010-06-10 | 2010-06-10 | V2G intelligent charging and discharging system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102280903A CN102280903A (en) | 2011-12-14 |
| CN102280903B true CN102280903B (en) | 2014-07-30 |
Family
ID=45106148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010197305.8A Active CN102280903B (en) | 2010-06-10 | 2010-06-10 | V2G intelligent charging and discharging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102280903B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305489A (en) * | 2015-10-23 | 2016-02-03 | 天津大学 | Grid demand side response resource frequency response ability estimation method |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9627911B2 (en) * | 2012-03-21 | 2017-04-18 | Toyota Jidosha Kabushiki Kaisha | Electric-motor vehicle, power equipment, and power supply system including limiting discharging after the power storage device is externally charged |
| KR20130138954A (en) * | 2012-06-12 | 2013-12-20 | 현대모비스 주식회사 | Two-way power supply apparatus of electric vehicle for smart grid and two-way power supply method using the same |
| CN103078360B (en) * | 2012-10-29 | 2016-04-20 | 中国电力科学研究院 | Scale electric automobile cluster electric power system |
| CN103441558B (en) * | 2013-08-06 | 2016-03-16 | 奇瑞汽车股份有限公司 | Charge control method and electric automobile car-mounted terminal |
| CN103580250B (en) * | 2013-10-31 | 2016-04-27 | 奇瑞汽车股份有限公司 | A kind of charge-discharge system, charge-discharge control system and pure electric automobile and electrical network charge/discharge control method |
| CN103746422B (en) * | 2014-01-07 | 2016-01-20 | 国网电力科学研究院 | A kind of direct current charge-discharge control method based on interface intelligent identification technology |
| CN103746457B (en) * | 2014-01-20 | 2017-01-11 | 贵阳供电局 | Intelligent residential district charging management information collecting analysis system |
| CN104158259B (en) * | 2014-08-29 | 2016-03-30 | 重庆长安汽车股份有限公司 | Based on the vehicle-mounted charge/discharge control method of V2G technology |
| CN104319853B (en) * | 2014-11-14 | 2016-08-17 | 国家电网公司 | The method of electric automobile networking, Apparatus and system |
| CN104410138B (en) * | 2014-11-24 | 2017-02-22 | 重庆长安汽车股份有限公司 | Automobile charging and discharging control system and method |
| CN104600785B (en) * | 2014-12-26 | 2018-04-03 | 国家电网公司 | Charger and electric automobile |
| CN104701874B (en) * | 2015-03-27 | 2018-06-01 | 国家电网公司 | For the charger of electric car |
| JP6601923B2 (en) * | 2015-08-31 | 2019-11-06 | ニチコン株式会社 | Power supply device |
| CN105322559B (en) * | 2015-11-11 | 2017-07-28 | 重庆大学 | A kind of electric automobile distribution dispatch control method based on V2G technologies |
| CN105811444B (en) * | 2016-04-26 | 2018-08-14 | 海南电网有限责任公司 | A kind of electric vehicle and power grid interactive simulation load system and its electrical protection method |
| JP6752288B2 (en) * | 2016-11-01 | 2020-09-09 | 本田技研工業株式会社 | Power storage device, transportation equipment and control method |
| CN206306858U (en) * | 2016-12-21 | 2017-07-07 | 国网冀北电力有限公司电力科学研究院 | Charge, feed integrated V2G charging system for electric automobile |
| CN106849233A (en) * | 2017-02-06 | 2017-06-13 | 全球能源互联网欧洲研究院 | A kind of centralized charge-discharge system, control method and device |
| CN106891764A (en) * | 2017-03-01 | 2017-06-27 | 杭州杰能动力有限公司沈阳分公司 | A kind of electric automobile complementation charging method |
| CN106972564A (en) * | 2017-04-01 | 2017-07-21 | 三峡大学 | A kind of bi-directional electric power feed system for public transport electrical changing station |
| CN108448699A (en) * | 2018-03-29 | 2018-08-24 | 西安特锐德智能充电科技有限公司 | The charge/discharge control method of direct current micro-grid system and its electric vehicle |
| CN109560577B (en) * | 2018-12-04 | 2021-07-06 | 东莞理工学院 | Control method and system for alternating current-direct current hybrid distributed renewable energy system |
| CN110171323A (en) * | 2019-06-04 | 2019-08-27 | 上海电气集团股份有限公司 | A kind of electric car charge-discharge control system and application method based on V2G |
| CN110588429A (en) * | 2019-10-10 | 2019-12-20 | 杭州艾参崴电力科技有限公司 | Intelligent terminal optimization scheme for group control charging pile |
| CN110994584B (en) * | 2019-11-25 | 2021-07-16 | 湖南红太阳新能源科技有限公司 | Flexible power distribution charging stack and distribution method |
| CN113452055B (en) * | 2021-07-02 | 2023-02-07 | 广东电网有限责任公司 | Power grid peak regulation and frequency modulation method and system and electric vehicle charging and discharging scheduling system |
| CN113479111A (en) * | 2021-07-09 | 2021-10-08 | 东风汽车集团股份有限公司 | V2G control method and device for electric vehicle |
| CN114172242A (en) * | 2021-12-13 | 2022-03-11 | 国网电动汽车服务有限公司 | Bidirectional charging and discharging system and control method thereof |
| CN115189384B (en) * | 2022-06-23 | 2024-04-30 | 深圳市鸿嘉利新能源有限公司 | V2G-based micro-grid energy storage charge and discharge management method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998032209A1 (en) * | 1997-01-22 | 1998-07-23 | Schott Power Systems Incorporated | Method and apparatus for charging a plurality of electric vehicles |
| US20080040295A1 (en) * | 2006-08-10 | 2008-02-14 | V2 Green, Inc. | Power Aggregation System for Distributed Electric Resources |
| US20090177595A1 (en) * | 2008-01-08 | 2009-07-09 | Stephen David Dunlap | Bidirectional metering and control of electric energy between the power grid and vehicle power systems |
-
2010
- 2010-06-10 CN CN201010197305.8A patent/CN102280903B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998032209A1 (en) * | 1997-01-22 | 1998-07-23 | Schott Power Systems Incorporated | Method and apparatus for charging a plurality of electric vehicles |
| US20080040295A1 (en) * | 2006-08-10 | 2008-02-14 | V2 Green, Inc. | Power Aggregation System for Distributed Electric Resources |
| US20090177595A1 (en) * | 2008-01-08 | 2009-07-09 | Stephen David Dunlap | Bidirectional metering and control of electric energy between the power grid and vehicle power systems |
Non-Patent Citations (4)
| Title |
|---|
| "Design and control of grid-connected converter in bi-directional battery charger for Plug-in hybrid electric vehicle application";Xiaohu Zhou等;《Vehicle Power and Propulsion Conference, 2009. VPPC "09. IEEE》;20090910;第1716-1717页 * |
| "电动汽车入网技术在智能电网中的应用";杜成刚等;《华东电力》;20100430;第38卷(第4期);第0557-0560页 * |
| Xiaohu Zhou等."Design and control of grid-connected converter in bi-directional battery charger for Plug-in hybrid electric vehicle application".《Vehicle Power and Propulsion Conference, 2009. VPPC "09. IEEE》.2009, |
| 杜成刚等."电动汽车入网技术在智能电网中的应用".《华东电力》.2010,第38卷(第4期), |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305489A (en) * | 2015-10-23 | 2016-02-03 | 天津大学 | Grid demand side response resource frequency response ability estimation method |
| CN105305489B (en) * | 2015-10-23 | 2018-03-23 | 天津大学 | A kind of demanding side of the electrical power net resource response frequency response capability assessment method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102280903A (en) | 2011-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102280903B (en) | V2G intelligent charging and discharging system | |
| CN201752076U (en) | V2G intelligent charging and discharging device | |
| CN104518563B (en) | The control method of charging system for electric automobile based on new energy application | |
| Monteiro et al. | Batteries charging systems for electric and plug-in hybrid electric vehicles | |
| CN108407625B (en) | Bidirectional charging and discharging system for new energy automobile | |
| CN204559201U (en) | A kind of split type direct-current charging post of electric automobile and system | |
| CN106253314A (en) | Communication base station ferric phosphate lithium cell echelon utilizes charge-discharge system and control method | |
| CN104810894A (en) | Split type direct-current charging piles for electric automobiles, system and method | |
| CN106100082A (en) | A kind of electric automobile Split type intelligent DC charging all-in-one | |
| CN204465152U (en) | A kind of unmanned plane wireless charging system of wind-light-electricity complementary | |
| CN203416032U (en) | Multifunctional electric vehicle charging device | |
| CN106787059A (en) | A kind of charging system of electric automobile | |
| WO2023029335A1 (en) | Parameter configuration method and terminal for photovoltaic storage and charging system | |
| KR20140114330A (en) | Electric battery charging installation and method | |
| CN103117595B (en) | Distributed direct current independent power supply system | |
| CN110605986B (en) | Off-grid mobile quick charging system and management method thereof | |
| WO2023005212A1 (en) | Energy storage module, and vehicle-mounted charging system and charging method therefor | |
| CN116316546A (en) | Alternating current and direct current hybrid flexible power supply device for power distribution network | |
| CN203119615U (en) | Distributed direct-current independent power supply system | |
| CN205960753U (en) | Battery charge and discharge is utilized to communication base station lithium iron phosphate battery echelon | |
| CN206765825U (en) | A kind of general Bidirectional charging-discharging device of portable new-energy automobile | |
| CN102427240A (en) | System for realizing interaction between electric vehicle and power grid | |
| Qiu et al. | Design of AC and DC power supply system for multi-station integration | |
| CN202167879U (en) | Intelligent charging and monitoring integration device for electric automobile | |
| CN205029388U (en) | Can realize that solar energy and electric wire netting switch electric automobile charging station of power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA SHANGHAI ELECTRIC Free format text: FORMER OWNER: SHANGHAI JIULONG ELECTRIC POWER SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20121219 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20121219 Address after: 200002 No. 181 East Nanjing Road, Shanghai Applicant after: Shanghai Electric Power Corporation Applicant after: State Grid Corporation of China Applicant after: Shanghai Electric Power Communication Co., Ltd. Address before: 200002 No. 181 East Nanjing Road, Shanghai Applicant before: Shanghai Electric Power Corporation Applicant before: Shanghai Jiulong Electric Power Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |