CN110165708A - A kind of V2G alternating current-direct current mixing micro-capacitance sensor control system and method - Google Patents
A kind of V2G alternating current-direct current mixing micro-capacitance sensor control system and method Download PDFInfo
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- CN110165708A CN110165708A CN201910487985.8A CN201910487985A CN110165708A CN 110165708 A CN110165708 A CN 110165708A CN 201910487985 A CN201910487985 A CN 201910487985A CN 110165708 A CN110165708 A CN 110165708A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/36—Arrangements for transfer of electric power between ac networks via a high-tension dc link
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
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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
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
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Abstract
The invention belongs to micro-capacitance sensor control technology fields, disclosing a kind of V2G alternating current-direct current mixing micro-capacitance sensor control system and method, V2G alternating current-direct current mixing micro-capacitance sensor control system includes: electricity generation module, voltage detection module, electric power detection module, main control module, battery management module, charging module, electricity scheduler module, display module.The present invention receives the control command from power grid by battery management module and carrys out the detection data of self-detector；According to preset simulation algorithm processing detection data, the current state of battery pack is obtained；Simultaneously, the information resources of different zones power grid electrical load characteristics curve and electric car various aspects are integrated by electricity scheduler module, a series of problems, such as helping the peak times of power consumption temporary electricity for solving current electric system in short supply, is supported for the electric car energy storage rational distribution of resources and using the scheme that provides and direction guides.
Description
Technical field
The invention belongs to micro-capacitance sensor control technology field more particularly to a kind of V2G alternating current-direct current mixing micro-capacitance sensor control systems
And method.
Background technique
V2G is the abbreviation of Vehicle-to-grid (vehicle to power grid).V2G describes the relationship of electric car and power grid.
When electric car when not in use, the electric energy of on-vehicle battery is sold to the system of power grid.If on-vehicle battery needs to charge, if electric current
Vehicle is flowed to by power grid.Micro-capacitance sensor (Micro-Grid) is also translated into microgrid, refers to and is turned by distributed generation resource, energy storage device, energy
The small-sized electric system of the compositions such as changing device, load, monitoring and protective device.The it is proposed of micro-capacitance sensor aims at distributed electrical
Flexible, the efficient application in source solve the problems, such as that substantial amounts, various informative distributed generation resource are grid-connected.Exploitation and extension micro-capacitance sensor
The extensive access of distributed generation resource and renewable energy can be sufficiently promoted, is realized to the highly reliable of load various energy resources form
Supply, is a kind of effective means for realizing active power distribution network, makes traditional power grid to smart grid transition.However, existing V2G is handed over
Direct current mixing micro-capacitance sensor control in battery management just for battery charging process and carry out equalizaing charge management, for current
Battery management system lack corresponding Interface and Communication function；Simultaneously because the power industry self-building period is long, invests number
Volume is more, invests in the case where electricity shortage to electric power facility, and not only time-consuming, and risk is also big, it is more likely that faces facility
Electricity needs has declined the situation of power system capacity surplus in turn when putting into operation.
In conclusion problem of the existing technology is:
In the control of existing V2G alternating current-direct current mixing micro-capacitance sensor battery management just for battery charging process and carry out equilibrium
Charge Management lacks corresponding Interface and Communication function for current battery management system.
Since the power industry self-building period is long, investment amount is more, in the case where electricity shortage to electric power facility into
Row investment, not only time-consuming, and risk is also big, it is more likely that faces electricity needs when facility puts into operation and has declined system in turn
The case where capacity excess.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of V2G alternating current-direct current mixing micro-capacitance sensor control system and
Method.
The invention is realized in this way a kind of V2G alternating current-direct current mixing micro-capacitance sensor control method the following steps are included:
Step 1 converts electric energy for wind energy, solar energy using generating equipment by electricity generation module and carries out distributed power generation,
And it is connected with external bulk power grid.The electric energy of generating equipment conversion converts closed-loop device by electric energy and is connected with external bulk power grid
It connects；When electric energy converts the conversion of closed-loop device electric energy, after carrying out 3s/2r transformation, the integrated information of closed-loop device is converted by electric energy
The external bulk power grid side electric current that the grid side electric current and sampling that processing chip estimates obtain finds out capacitance current, finds out electric current and closes
External bulk power grid voltage in ring control obtains the electricity that current loop controller system is synthesized with external bulk power grid controlled device in turn
Closed-loop device can be converted.
External bulk power grid state space dq axis capacitance voltage uCdWith uCq, dq axis generating equipment grid side electric current i1dWith i1q
And bulk power grid side electric current i outside dq axis2dWith i2qFor system state variables, and wherein external bulk power grid side electric current i2dWith i2qBy
External bulk power grid side current sensor directly obtains.
The case where state observer on dq axis, first analysis monophase system, the monophase system differential of external bulk power grid
Equation arranges are as follows:
The output equation formula of external bulk power grid arranges are as follows:
i2=[100] [i2i1uC]T。
Due to rank { [100] }=1, therefore the state variable for needing to reconstruct is [i1uC] T, i.e., original system is decomposed into two
Subsystem, the subsystem that the subsystem and needs for not needing reconstruct respectively reconstruct, wherein the subsystem for not needing reconstruct is referred to as
Non- reconstruction subsystem is the monophase system differential equation the first row of external bulk power grid；The subsystem for needing to reconstruct is referred to as reconstructing
Subsystem, the expression formula of non-reconstruction subsystem are as follows:
Wherein, Section 2 is coupling matrix of the reconstruction subsystem to non-reconstruction subsystem after equal sign, therefore defines the matrix and be
The output of reconstruction subsystem, and since it is 1 rank, therefore it is as follows to be expressed as η:
The then expression formula of reconstruction subsystem are as follows:
Step 2 is detected as electric car supply voltage data using voltmeter by voltage detection module.Pass through electricity
The electricity data that detection module is generated using voltameter detection electricity generation module.
Step 3, main control module is by battery management module using management program to V2G alternating current-direct current mixing micro-capacitance sensor battery
It is managed.
Step 4 carries out charging operations using charger by charging module for electric car.
Step 5 transfers power grid electric using controlling equipment by electricity scheduler module.
Step 6, power grid supply voltage, power generation electricity data information by display module using display display detection.
Further, the battery management module management method includes:
(1) it receives the charge command from power grid by management program or discharges and order and come the testing number of self-detector
According to detection data includes: voltage parameter, current parameters and temperature parameter.
(2) grid command is executed, and the detection data is handled according to preset simulation algorithm, obtains the current of battery pack
State.
(3) operating mode of controllable PWM rectifier and two-way DC/DC converter is controlled according to the control command.
(4) balance policy is sent to described equal by the balance policy that equalizing circuit is determined according to the current state
Weigh circuit.
Further, the control command controls the operating mode step packet of controllable PWM rectifier and two-way DC/DC converter
It includes:
In the case where control command is charge command, control is so that the controllable PWM rectifier is used to turn in alternating current
It is changed to direct current, is controlled so that the two-way DC/DC converter makes current direction to the equalizing circuit.
In the case where control command is electric discharge order, control is so that the controllable PWM rectifier is used to turn in direct current
It is changed to alternating current, is controlled so that the two-way DC/DC converter makes current direction to the controllable PWM rectifier.
Further, the current state includes:
Operating mode, state-of-charge and ageing parameter.
Wherein, the operating mode includes one of:
Electricity is full of or electricity discharges or charging or discharging.
Further, the electricity scheduler module dispatching method includes:
1) electric car geographical location and SOC status information and network load vacancy number are acquired by data acquisition equipment
According to.
2) denoising is carried out to the data of acquisition, and collected information is transferred to intelligent tune using mobile Internet
Spend the backstage of service system.
3) the collected information of background system Intelligent treatment provides electric car under emergency and discharges to electricity shortage area
Strategy.
4) instruction is assigned by intelligent scheduling service system, guidance car owner completes electric discharge task.
5) car owner independently accepts an order, and is followed by the income settlement by intelligent scheduling service system in completion task.
6) intelligent scheduling service system assesses electric discharge strategy implement effect automatically.
Further, in the step 1), it is real-time that electric car geographical location is captured using the vehicle-mounted positioning system of electric car
Information obtains batteries of electric automobile remaining capacity information using car-mounted terminal, utilizes electric network data acquisition and monitoring system
(SCADA) integrate different zones power grid electrical load characteristics curve to calculate each regional power grid supply power have a deficit amount and
Power is had a deficit regional geography location information.
Further, in the step 2), using the existing communication technology, car owner logs in intelligent scheduling service system
The information of vehicles that car owner is driven is transferred to the backstage of intelligent scheduling service system.Grid dispatching center and intelligent scheduling service
System directly establishes the network interconnection, and the realtime power that each region can be read directly in intelligent scheduling service system is had a deficit feelings
Condition.Once emergency service shortage of power occurs in some region, power grid is immediately to intelligent scheduling service system signal an alert.
Another object of the present invention is to provide a kind of V2G alternating current-direct current mixing micro-capacitance sensors to control program, the V2G alternating current-direct current
Mixing micro-capacitance sensor controls program
Step 1, electric energy is converted by wind energy, solar energy using generating equipment and carry out distributed power generation, and big electric with outside
Net is connected.
Step 2, electric car supply voltage data are detected as using voltmeter.It is generated using voltameter detection electricity generation module
Electricity data.
Step 3, V2G alternating current-direct current mixing micro-capacitance sensor battery is managed using management program.
It step 4, is that electric car carries out charging operations using charger.
Step 5, power grid electric is transferred using controlling equipment.
Step 6, the power grid supply voltage of display display detection, power generation electricity data information are utilized.
Another object of the present invention is to provide a kind of information for realizing the V2G alternating current-direct current mixing micro-capacitance sensor control method
Data processing terminal.
Another object of the present invention is to provide a kind of computer readable storage mediums, including instruction, when it is in computer
When upper operation, so that computer executes the V2G alternating current-direct current mixing micro-capacitance sensor control method.
Another object of the present invention is to provide a kind of V2G alternating current-direct current mixing micro-capacitance sensor control systems, comprising:
Electricity generation module, voltage detection module, electric power detection module, main control module, battery management module, charging module, electricity
Measure scheduler module, display module.
Electricity generation module is connect with main control module, is divided for converting electric energy for wind energy, solar energy by generating equipment
Cloth power generation, and be connected with external bulk power grid.
Voltage detection module is connect with main control module, for being detected as electric car supply voltage data by voltmeter.
Electric power detection module is connect with main control module, for detecting the electricity data that electricity generation module generates by voltameter.
Main control module, with electricity generation module, voltage detection module, electric power detection module, battery management module, charging module,
Electricity scheduler module, display module connection, work normally for controlling modules by embedded scm.
Battery management module is connect with main control module, for passing through management program to V2G alternating current-direct current mixing micro-capacitance sensor battery
It is managed.
Charging module is connect with main control module, for being that electric car carries out charging operations by charger.
Electricity scheduler module, connect with main control module, for transferring power grid electric by controlling equipment.
Display module is connect with main control module, for power grid supply voltage, the power generation electricity by display display detection
Data information.
Advantages of the present invention and good effect are as follows:
The present invention receives the control command from power grid by battery management module and carrys out the detection data of self-detector；Root
According to preset simulation algorithm processing detection data, the current state of battery pack is obtained；Controllable PWM rectification is controlled according to control command
The operating mode of device and two-way DC/DC converter；The balance policy that equalizing circuit is determined according to current state, balance policy is sent out
It send to equalizing circuit；Meanwhile different zones power grid electrical load characteristics curve and electronic vapour are integrated by electricity scheduler module
The information resources of vehicle various aspects help the peak times of power consumption temporary electricity for solving current electric system is in short supply etc. a series of to ask
Topic, is supported for the electric car energy storage rational distribution of resources and using the scheme that provides and direction guides, while according to staged economy
Compensation way gives electric automobile main phase and answers remuneration, realizes the two-win of grid company and electric car car owner.
The electric energy of generating equipment conversion converts closed-loop device by electric energy and is connected with external bulk power grid；Electric energy converts closed loop
When equipment electric energy is converted, after carrying out 3s/2r transformation, convert what the integrated information processing chip of closed-loop device estimated by electric energy
The external bulk power grid side electric current that grid side electric current and sampling obtain finds out capacitance current, finds out external big electricity in closed-loop current control
Net voltage obtains the electric energy that current loop controller system is synthesized with external bulk power grid controlled device and converts closed-loop device in turn.It can
It realizes and external power grid intelligent networking.
Detailed description of the invention
Fig. 1 is V2G alternating current-direct current mixing micro-capacitance sensor control method flow chart provided in an embodiment of the present invention.
Fig. 2 is V2G alternating current-direct current mixing micro-capacitance sensor Control system architecture block diagram provided in an embodiment of the present invention.
In figure: 1, electricity generation module；2, voltage detection module；3, electric power detection module；4, main control module；5, battery management mould
Block；6, charging module；7, electricity scheduler module；8, display module.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing
Detailed description includes.
In the control of existing V2G alternating current-direct current mixing micro-capacitance sensor battery management just for battery charging process and carry out equilibrium
Charge Management lacks corresponding Interface and Communication function for current battery management system；Simultaneously because power industry itself
Construction period is long, investment amount is more, invests in the case where electricity shortage to electric power facility, risk that not only time-consuming
Greatly, it is more likely that face the situation that electricity needs when facility puts into operation has declined power system capacity surplus in turn.
To solve the above problems, being explained in detail with reference to the accompanying drawing to structure of the invention.
As shown in Figure 1, V2G alternating current-direct current mixing micro-capacitance sensor control method provided by the invention the following steps are included:
S101 converts electric energy for wind energy, solar energy using generating equipment by electricity generation module and carries out distributed power generation, and
It is connected with external bulk power grid.
S102 is detected as electric car supply voltage data using voltmeter by voltage detection module.It is examined by electricity
Survey the electricity data that module is generated using voltameter detection electricity generation module.
S103, main control module by battery management module using management program to V2G alternating current-direct current mixing micro-capacitance sensor battery into
Row management.
S104 carries out charging operations using charger by charging module for electric car.
S105 transfers power grid electric using controlling equipment by electricity scheduler module.
S106, power grid supply voltage, power generation electricity data information by display module using display display detection.
As shown in Fig. 2, V2G alternating current-direct current mixing micro-capacitance sensor control system provided in an embodiment of the present invention includes: electricity generation module
1, voltage detection module 2, electric power detection module 3, main control module 4, battery management module 5, charging module 6, electricity scheduler module
7, display module 8.
Electricity generation module 1 is connect with main control module 4, is carried out for converting electric energy for wind energy, solar energy by generating equipment
Distributed power generation, and be connected with external bulk power grid.
Voltage detection module 2 is connect with main control module 4, for being detected as electric car supply voltage number by voltmeter
According to.
Electric power detection module 3 is connect with main control module 4, for detecting the electricity number that electricity generation module generates by voltameter
According to.
Main control module 4, with electricity generation module 1, voltage detection module 2, electric power detection module 3, battery management module 5, charging
Module 6, electricity scheduler module 7, display module 8 connect, and work normally for controlling modules by embedded scm.
Battery management module 5 is connect with main control module 4, for electric to V2G alternating current-direct current mixing micro-capacitance sensor by management program
Pond is managed.
Charging module 6 is connect with main control module 4, for being that electric car carries out charging operations by charger.
Electricity scheduler module 7 is connect with main control module 4, for transferring power grid electric by controlling equipment.
Display module 8 is connect with main control module 4, for power grid supply voltage, the power generation electricity by display display detection
Measure data information.
Technical solution of the present invention is further described combined with specific embodiments below.
Embodiment 1
5 management method of battery management module provided by the invention includes:
(1) it receives the charge command from power grid by management program or discharges and order and come the testing number of self-detector
According to detection data includes: voltage parameter, current parameters and temperature parameter.
(2) grid command is executed, and the detection data is handled according to preset simulation algorithm, obtains the current of battery pack
State.
(3) operating mode of controllable PWM rectifier and two-way DC/DC converter is controlled according to the control command.
(4) balance policy is sent to described equal by the balance policy that equalizing circuit is determined according to the current state
Weigh circuit.
Control command provided by the invention controls the operating mode step of controllable PWM rectifier and two-way DC/DC converter
Include:
In the case where control command is charge command, control is so that the controllable PWM rectifier is used to turn in alternating current
It is changed to direct current, is controlled so that the two-way DC/DC converter makes current direction to the equalizing circuit.
In the case where control command is electric discharge order, control is so that the controllable PWM rectifier is used to turn in direct current
It is changed to alternating current, is controlled so that the two-way DC/DC converter makes current direction to the controllable PWM rectifier.
Current state provided by the invention includes: operating mode, state-of-charge and ageing parameter.
Wherein, the operating mode includes one of: electricity is full of or electricity discharges or charging or just
It is discharging.
Embodiment 2
7 dispatching method of electricity scheduler module provided by the invention includes: 1) to acquire electric car by data acquisition equipment
Geographical location and SOC status information and network load vacancy data.
2) denoising is carried out to the data of acquisition, and collected information is transferred to intelligent tune using mobile Internet
Spend the backstage of service system.
3) the collected information of background system Intelligent treatment provides electric car under emergency and discharges to electricity shortage area
Strategy.
4) instruction is assigned by intelligent scheduling service system, guidance car owner completes electric discharge task.
5) car owner independently accepts an order, and is followed by the income settlement by intelligent scheduling service system in completion task.
6) intelligent scheduling service system assesses electric discharge strategy implement effect automatically.
In step 1) provided by the invention, it is real-time that electric car geographical location is captured using the vehicle-mounted positioning system of electric car
Information obtains batteries of electric automobile remaining capacity information using car-mounted terminal, utilizes electric network data acquisition and monitoring system
(SCADA) integrate different zones power grid electrical load characteristics curve to calculate each regional power grid supply power have a deficit amount and
Power is had a deficit regional geography location information.
In step 2) provided by the invention, using the existing communication technology, car owner logs in intelligent scheduling service system
The information of vehicles that car owner is driven is transferred to the backstage of intelligent scheduling service system.Grid dispatching center and intelligent scheduling service
System directly establishes the network interconnection, and the realtime power that each region can be read directly in intelligent scheduling service system is had a deficit feelings
Condition.Once emergency service shortage of power occurs in some region, power grid is immediately to intelligent scheduling service system signal an alert.
Embodiment 3
The electric energy of generating equipment conversion converts closed-loop device by electric energy and is connected with external bulk power grid；Electric energy converts closed loop
When equipment electric energy is converted, after carrying out 3s/2r transformation, convert what the integrated information processing chip of closed-loop device estimated by electric energy
The external bulk power grid side electric current that grid side electric current and sampling obtain finds out capacitance current, finds out external big electricity in closed-loop current control
Net voltage obtains the electric energy that current loop controller system is synthesized with external bulk power grid controlled device and converts closed-loop device in turn.
External bulk power grid state space dq axis capacitance voltage uCdWith uCq, dq axis generating equipment grid side electric current i1dWith i1q
And bulk power grid side electric current i outside dq axis2dWith i2qFor system state variables, and wherein external bulk power grid side electric current i2dWith i2qBy
External bulk power grid side current sensor directly obtains.
The case where state observer on dq axis, first analysis monophase system, the monophase system differential of external bulk power grid
Equation arranges are as follows:
The output equation formula of external bulk power grid arranges are as follows:
i2=[100] [i2i1uC]T。
Due to rank { [100] }=1, therefore the state variable for needing to reconstruct is [i1uC] T, i.e., original system is decomposed into two
Subsystem, the subsystem that the subsystem and needs for not needing reconstruct respectively reconstruct, wherein the subsystem for not needing reconstruct is referred to as
Non- reconstruction subsystem is the monophase system differential equation the first row of external bulk power grid；The subsystem for needing to reconstruct is referred to as reconstructing
Subsystem, the expression formula of non-reconstruction subsystem are as follows:
Wherein, Section 2 is coupling matrix of the reconstruction subsystem to non-reconstruction subsystem after equal sign, therefore defines the matrix and be
The output of reconstruction subsystem, and since it is 1 rank, therefore it is as follows to be expressed as η:
The then expression formula of reconstruction subsystem are as follows:
Embodiment 4
The present invention provides a kind of V2G alternating current-direct current mixing micro-capacitance sensor control program, comprising:
Step 1, electric energy is converted by wind energy, solar energy using generating equipment and carry out distributed power generation, and big electric with outside
Net is connected.
Step 2, electric car supply voltage data are detected as using voltmeter.It is generated using voltameter detection electricity generation module
Electricity data.
Step 3, V2G alternating current-direct current mixing micro-capacitance sensor battery is managed using management program.
It step 4, is that electric car carries out charging operations using charger.
Step 5, power grid electric is transferred using controlling equipment.
Step 6, the power grid supply voltage of display display detection, power generation electricity data information are utilized.
In the above-described embodiments, can come wholly or partly by software, hardware, firmware or any combination thereof real
It is existing.When using entirely or partly realizing in the form of a computer program product, the computer program product include one or
Multiple computer instructions.When loading on computers or executing the computer program instructions, entirely or partly generate according to
Process described in the embodiment of the present invention or function.The computer can be general purpose computer, special purpose computer, computer network
Network or other programmable devices.The computer instruction may be stored in a computer readable storage medium, or from one
Computer readable storage medium is transmitted to another computer readable storage medium, for example, the computer instruction can be from one
A web-site, computer, server or data center pass through wired (such as coaxial cable, optical fiber, Digital Subscriber Line (DSL)
Or wireless (such as infrared, wireless, microwave etc.) mode is carried out to another web-site, computer, server or data center
Transmission).The computer-readable storage medium can be any usable medium or include one that computer can access
The data storage devices such as a or multiple usable mediums integrated server, data center.The usable medium can be magnetic Jie
Matter, (for example, floppy disk, hard disk, tape), optical medium (for example, DVD) or semiconductor medium (such as solid state hard disk Solid
State Disk (SSD)) etc..
The above is only the preferred embodiments of the present invention, and is not intended to limit the present invention in any form,
Any simple modification made to the above embodiment according to the technical essence of the invention, equivalent variations and modification, belong to
In the range of technical solution of the present invention.
Claims (10)
1. a kind of V2G alternating current-direct current mixing micro-capacitance sensor control method, which is characterized in that the V2G alternating current-direct current mixing micro-capacitance sensor control
Method the following steps are included:
Step 1, by electricity generation module using generating equipment by wind energy, solar energy be converted into electric energy carry out distributed power generation, and with
External bulk power grid is connected；The electric energy of generating equipment conversion converts closed-loop device by electric energy and is connected with external bulk power grid；Electricity
When can convert the conversion of closed-loop device electric energy, after carrying out 3s/2r transformation, the integrated information processing core of closed-loop device is converted by electric energy
The external bulk power grid side electric current that the grid side electric current and sampling that piece estimates obtain finds out capacitance current, finds out closed-loop current control
Middle external bulk power grid voltage obtains the electric energy that current loop controller system is synthesized with external bulk power grid controlled device and converts in turn
Closed-loop device；
Step 2 is detected as electric car supply voltage data using voltmeter by voltage detection module；Pass through electric power detection
The electricity data that module is generated using voltameter detection electricity generation module；
Step 3, main control module carry out V2G alternating current-direct current mixing micro-capacitance sensor battery using management program by battery management module
Management；
Step 4 carries out charging operations using charger by charging module for electric car；
Step 5 transfers power grid electric using controlling equipment by electricity scheduler module；
Step 6, power grid supply voltage, power generation electricity data information by display module using display display detection.
2. V2G alternating current-direct current mixing micro-capacitance sensor control method as described in claim 1, which is characterized in that in step 1, external big electricity
Netted state space dq axis capacitance voltage uCdWith uCq, dq axis generating equipment grid side electric current i1dWith i1qAnd big electricity outside dq axis
Current on line side i2dWith i2qFor system state variables, and wherein external bulk power grid side electric current i2dWith i2qBy external bulk power grid side electric current
Sensor directly obtains；
The case where state observer on dq axis, first analysis monophase system, the monophase system differential equation of external bulk power grid
Formula arranges are as follows:
The output equation formula of external bulk power grid arranges are as follows:
i2=[100] [i2i1uC]T；
Due to rank { [100] }=1, therefore the state variable for needing to reconstruct is [i1uC] T, i.e., original system is decomposed into two subsystems
System does not need the subsystem and the subsystem that reconstructs of needs of reconstruct respectively, wherein the subsystem for not needing reconstruct be referred to as it is non-heavy
Structure subsystem is the monophase system differential equation the first row of external bulk power grid；The subsystem for needing to reconstruct is referred to as reconstruct subsystem
System, the expression formula of non-reconstruction subsystem are as follows:
Wherein, Section 2 is coupling matrix of the reconstruction subsystem to non-reconstruction subsystem after equal sign, therefore defines the matrix as reconstruct
The output of subsystem, and since it is 1 rank, therefore it is as follows to be expressed as η:
The then expression formula of reconstruction subsystem are as follows:
In step 3, the management method of the battery management module includes:
(1) charge command from power grid or electric discharge order received by management program and come the detection data of self-detector,
Detection data includes: voltage parameter, current parameters and temperature parameter；
(2) grid command is executed, and the detection data is handled according to preset simulation algorithm, obtains the current shape of battery pack
State；
(3) operating mode of controllable PWM rectifier and two-way DC/DC converter is controlled according to the control command；
(4) balance policy is sent to the balanced electricity by the balance policy that equalizing circuit is determined according to the current state
Road.
3. V2G alternating current-direct current mixing micro-capacitance sensor control method as claimed in claim 2, which is characterized in that the control command control
Controllable PWM rectifier and the operating mode step of two-way DC/DC converter include:
In the case where control command is charge command, control is so that the controllable PWM rectifier is used to convert alternating current to
Direct current controls so that the two-way DC/DC converter makes current direction to the equalizing circuit；
In the case where control command is electric discharge order, control is so that the controllable PWM rectifier is used to be converted in direct current
Alternating current controls so that the two-way DC/DC converter makes current direction to the controllable PWM rectifier.
4. V2G alternating current-direct current mixing micro-capacitance sensor control method as claimed in claim 2, which is characterized in that the current state includes:
Operating mode, state-of-charge and ageing parameter；
Wherein, the operating mode includes one of:
Electricity is full of or electricity discharges or charging or discharging.
5. V2G alternating current-direct current mixing micro-capacitance sensor control method as described in claim 1, which is characterized in that the electricity scheduler module
Dispatching method include:
1) electric car geographical location and SOC status information and network load vacancy data are acquired by data acquisition equipment；
2) denoising is carried out to the data of acquisition, and collected information is transferred to intelligent scheduling using mobile Internet and is taken
The backstage of business system；
3) the collected information of background system Intelligent treatment provides the plan that electric car discharges to electricity shortage area under emergency
Slightly；
4) instruction is assigned by intelligent scheduling service system, guidance car owner completes electric discharge task；
5) car owner independently accepts an order, and is followed by the income settlement by intelligent scheduling service system in completion task；
6) intelligent scheduling service system assesses electric discharge strategy implement effect automatically.
6. V2G alternating current-direct current mixing micro-capacitance sensor control method as claimed in claim 5, which is characterized in that in the step 1), utilize
The vehicle-mounted positioning system of electric car captures the real time information of electric car geographical location, obtains batteries of electric automobile using car-mounted terminal
Remaining capacity information integrates different zones power grid electrical load characteristics song using electric network data acquisition and monitoring system (SCADA)
Line has a deficit amount to calculating each regional power grid supply power and power is had a deficit regional geography location information；
In the step 2), using the existing communication technology, car owner logs in intelligent scheduling service system, can be driven car owner
Information of vehicles be transferred to the backstage of intelligent scheduling service system；Grid dispatching center is directly established with intelligent scheduling service system
The network interconnection, the realtime power that each region can be read directly in intelligent scheduling service system are had a deficit situation；Once some
There is emergency service shortage of power in region, and power grid is immediately to intelligent scheduling service system signal an alert.
7. a kind of V2G alternating current-direct current mixing micro-capacitance sensor controls program, which is characterized in that the V2G alternating current-direct current mixing micro-capacitance sensor control
Program includes:
Step 1, using generating equipment by wind energy, solar energy be converted into electric energy carry out distributed power generation, and with external bulk power grid phase
Connection；
Step 2, electric car supply voltage data are detected as using voltmeter；The electricity generated using voltameter detection electricity generation module
Measure data；
Step 3, V2G alternating current-direct current mixing micro-capacitance sensor battery is managed using management program；
It step 4, is that electric car carries out charging operations using charger；
Step 5, power grid electric is transferred using controlling equipment；
Step 6, the power grid supply voltage of display display detection, power generation electricity data information are utilized.
8. a kind of realize at the information data of V2G alternating current-direct current mixing micro-capacitance sensor control method described in claim 1~6 any one
Manage terminal.
9. a kind of computer readable storage medium, including instruction, when run on a computer, so that computer is executed as weighed
Benefit requires V2G alternating current-direct current mixing micro-capacitance sensor control method described in 1-6 any one.
10. a kind of V2G alternating current-direct current for implementing V2G alternating current-direct current mixing micro-capacitance sensor control method described in claim 1~6 any one
Mix micro grid control system, which is characterized in that the V2G alternating current-direct current mixing micro-capacitance sensor control system includes:
Electricity generation module is connect with main control module, carries out distribution for converting electric energy for wind energy, solar energy by generating equipment
Power generation, and be connected with external bulk power grid；
Voltage detection module is connect with main control module, for being detected as electric car supply voltage data by voltmeter；
Electric power detection module is connect with main control module, for detecting the electricity data that electricity generation module generates by voltameter；
Main control module, with electricity generation module, voltage detection module, electric power detection module, battery management module, charging module, electricity
Scheduler module, display module connection, work normally for controlling modules by embedded scm；
Battery management module is connect with main control module, for being carried out by management program to V2G alternating current-direct current mixing micro-capacitance sensor battery
Management；
Charging module is connect with main control module, for being that electric car carries out charging operations by charger；
Electricity scheduler module, connect with main control module, for transferring power grid electric by controlling equipment；
Display module is connect with main control module, for power grid supply voltage, the power generation electricity data by display display detection
Information.
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