CN108471123A - A kind of electric vehicle participates in the charge control method and device of mains frequency adjustment - Google Patents
A kind of electric vehicle participates in the charge control method and device of mains frequency adjustment Download PDFInfo
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- CN108471123A CN108471123A CN201810308070.1A CN201810308070A CN108471123A CN 108471123 A CN108471123 A CN 108471123A CN 201810308070 A CN201810308070 A CN 201810308070A CN 108471123 A CN108471123 A CN 108471123A
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- frequency
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/63—Monitoring or controlling charging stations in response to network capacity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L55/00—Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
-
- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T90/12—Electric charging stations
-
- 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
- Y02T90/14—Plug-in electric vehicles
Abstract
The present invention provides charge control method and device that a kind of electric vehicle participates in mains frequency adjustment, wherein method includes：It obtains electric vehicle data, issue basic charge power value P0, judge grid frequency value fluctuation range where frequency regulatory region be adjust I section, adjust II section or dead zone, and accordingly adjust cluster charge power, wherein the corresponding cluster charge power in dead zone be P0It is constant, thus can be converted to avoid frequent charge and discharge.The present invention considers the adjusting dead zone of mains frequency, avoids the unnecessary variation of electric vehicle charge power, concurrently sets basic charge power value P0(will be generally above 0) so that electric vehicle whole can be in charged state, avoid the frequent charge and discharge conversion of battery, can preferably meet user's charge requirement, decrease the loss to the service life of battery.
Description
Technical field
The present invention relates to electric vehicle charge control technical fields more particularly to a kind of electric vehicle to participate in mains frequency tune
Whole charge control method and device.
Background technology
Single electric vehicle participation frequency corrective action is extremely limited, but with universal, a large amount of electronic vapour of electric vehicle
Vehicle, which is connected to the grid, will will produce huge frequency regulation capacity.Electric vehicle is incorporated to electricity by alternating-current charging pile or off-board charger
Net is inherently that can control electronic vapour by the control to converter switches pipe by AC-DC current transformers access power grid
Charging is carried out when vehicle is connected to the grid or is fed to power grid, and performance number is controllable.The essence of mains frequency adjustment is to active
Power is adjusted, and the mains frequency adjustment of electric vehicle participation at present is mainly carried out with V2G (vehicle-to-grid) pattern,
As shown in Figure 1；
Horizontal axis is the deviation value that mains frequency deviates power frequency (zero 50Hz), deviates to be positive when being more than power frequency, is less than work
Deviate to be reversed when frequency；The longitudinal axis is the charge-discharge electric power value of electric vehicle, and when network load is relatively low, frequency forward direction deviates power frequency,
Electric vehicle positive response frequency changes, and charges；When network load is higher, frequency reversely deviates power frequency, and electric vehicle is anti-
Change to response frequency, discharge, to achieve the effect that inhibit frequency fluctuation.Frequency adjustable extent and electric vehicle
Maximum charge-discharge electric power is limited by charge-discharge machine and batteries of electric automobile
(1) battery is that electric vehicle makes one of main cost of vehicle, and under V2G patterns, batteries of electric automobile continually exists
It is converted between charging and discharging two states, batteries of electric automobile can be accelerated to be lost, be affected to battery cycle life；(2)
Mains frequency has certain safe range (near power frequency), need not be adjusted within this range, as long as and above-mentioned V2G patterns
Frequency fluctuation is not 0, and electric vehicle charge power will change, unreasonable；(3) electric vehicle grid-connected converter is by power electronics
Device is constituted, and the speed of response frequency variation quickly, lacks mains frequency and adjusts required inertial damping characteristics.This patent needle
A kind of charge control method and device of electric vehicle participation mains frequency adjustment are proposed to above technical disadvantages.
Invention content
The present invention provides charge control methods and device that a kind of electric vehicle participates in mains frequency adjustment, for solving
The technical problems such as batteries of electric automobile loss, charge power fluctuation.
A kind of electric vehicle provided by the invention participates in the charge control method of mains frequency adjustment, including：
S1：The state-of-charge SOC of electric vehicle is obtained by each clustered control center；
S2：Every preset time basic charge power value P is sent to clustered control center0；
S3：Grid frequency value is detected in real time with supervisor control by data acquisition；
S4：Judge the frequency regulatory region where grid frequency value fluctuation range, the frequency regulatory region include adjust I section,
II section and dead zone are adjusted, if the frequency regulatory region where grid frequency value fluctuation range is dead zone, adjusts clustered control center
Cluster charge power be P0If the frequency regulatory region where grid frequency value fluctuation range is to adjust I section, collection team control is adjusted
The cluster charge power at center processed is P0+ Δ P1, if the frequency regulatory region where grid frequency value fluctuation range is to adjust II section,
The cluster charge power for then adjusting clustered control center is P0-ΔP2；
S5：By cluster charge power by SOC pro rates to be filled to each electric vehicle.
Preferably,
The frequency range for adjusting II section is (fmin,fd_L), the frequency range in the dead zone is (fd_L,fd_H), it is described
The frequency range for adjusting I section is (fd_H,fmax)；
Wherein, fminFor preset frequency minima, fmaxFor preset maximum frequency, fd_LAnd fd_HFor preset dead zone
Frequency range limit value.
Preferably,
II section of corresponding cluster charge power of the adjusting be：
The corresponding cluster charge power in the dead zone is：P=P0；
I section of corresponding cluster charge power of the adjusting be：
Wherein, P is cluster charge power, P0For specified charge power, PmaxAnd PminIt is limited for preset charge power range
Value, fNFor power frequency, f is the grid frequency value detected.
Preferably, further include after the step S3：The grid frequency value detected is filtered by inertial element
Processing.
Preferably, the PmaxAnd PminValue according to the charge power adjustable extent of electric vehicle determine；
The charge power adjustable extent of electric vehicle is obtained by each clustered control center from electric vehicle.
A kind of electric vehicle provided by the invention participates in the battery charge controller of mains frequency adjustment, including：
Acquisition module, the state-of-charge SOC for obtaining electric vehicle by each clustered control center；
Basic charge power value sending module, for sending basic charge power to clustered control center every preset time
Value P0；
Detection module, for detecting grid frequency value in real time with supervisor control by data acquisition；
Adjustment module is judged, for judging that the frequency regulatory region where grid frequency value fluctuation range, the frequency are adjusted
Area includes adjusting I section, adjusting II section and dead zone, if the frequency regulatory region where grid frequency value fluctuation range is dead zone, is adjusted
The cluster charge power for saving clustered control center is P0If the frequency regulatory region where grid frequency value fluctuation range is to adjust I
Section, then the cluster charge power for adjusting clustered control center are P0+ Δ P1, if the frequency tune where grid frequency value fluctuation range
It is to adjust II section to save area, then the cluster charge power for adjusting clustered control center is P0-ΔP2；
Power distribution module, for by cluster charge power by SOC pro rates to be filled to each electric vehicle.
Preferably,
The frequency range for adjusting II section is (fmin,fd_L), the frequency range in the dead zone is (fd_L,fd_H), it is described
The frequency range for adjusting I section is (fd_H,fmax)；
Wherein, fminFor preset frequency minima, fmaxFor preset maximum frequency, fd_LAnd fd_HFor preset dead zone
Frequency range limit value.
Preferably,
II section of corresponding cluster charge power of the adjusting be：
The corresponding cluster charge power in the dead zone is：P=P0；
I section of corresponding cluster charge power of the adjusting be：
Wherein, P is cluster charge power, P0For specified charge power, PmaxAnd PminIt is limited for preset charge power range
Value, fNFor power frequency, f is the grid frequency value detected.
Preferably, which further includes：Filter module is carried out for the grid frequency value to detecting by inertial element
It is filtered.
Preferably, the PmaxAnd PminValue according to the charge power adjustable extent of electric vehicle determine；
The charge power adjustable extent of electric vehicle is obtained by each clustered control center from electric vehicle.
As can be seen from the above technical solutions, the present invention has the following advantages：
1. participating in frequency modulation under the control method of the present invention, it is contemplated that the adjusting dead zone of mains frequency avoids electric vehicle
The unnecessary variation of charge power.
2. participating in frequency modulation under the control method of the present invention, electric vehicle whole process is in charged state, it is frequent to avoid battery
Charge and discharge conversion.User's charge requirement can preferably be met, decrease the loss to the service life of battery.
3. the present invention is to access power grid, the speed of response frequency variation by power electronics interface in view of electric vehicle
Millisecond can be reached, inertia damping link is added at frequency detecting end, inhibits electric vehicle to charge to a certain extent
The mutation of power.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is sagging curve schematic diagram when electric vehicle participates in frequency modulation with V2G patterns；
Fig. 2 is that a kind of electric vehicle provided by the invention participates in electric vehicle in the charge control method that mains frequency adjusts
The schematic diagram of sagging curve when cluster is with G2V patterns participation frequency modulation；
Fig. 3 is an implementation of the charge control method that a kind of electric vehicle provided by the invention participates in mains frequency adjustment
The schematic diagram of example；
Fig. 4 is another reality for the charge control method that a kind of electric vehicle provided by the invention participates in mains frequency adjustment
Apply the schematic diagram of example.
Specific implementation mode
The present invention provides charge control methods and device that a kind of electric vehicle participates in mains frequency adjustment, for solving
The technical problems such as batteries of electric automobile loss, charge power fluctuation.
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
All other embodiment that those of ordinary skill is obtained without making creative work, belongs to protection of the present invention
Range.
The control method thinking that the application proposes is to be equivalent to " being fed to power grid " with " few charging ", equivalent with " more chargings "
For " generated energy of storage grid excess ", reach same V2G frequency modulation effect with G2V (Grid-to-Vehicle) pattern.It will figure
Curve shown in 1 is integrally translated up to more than abscissa, it is contemplated that mains frequency fluctuation has certain safe range, to curve plus
Enter dead zone, has just obtained shaped like under G2V modes shown in Fig. 2, electric vehicle cluster participates in the droop characteristic of system frequency modulation.
F in Fig. 2NIt can be power frequency.
Referring to Fig. 3, a kind of electric vehicle provided by the invention participates in the one of the charge control method of mains frequency adjustment
A embodiment, including：
101：The state-of-charge SOC of electric vehicle is obtained by each clustered control center；
102：Every preset time basic charge power value P is sent to clustered control center0；
103：Grid frequency value is detected in real time with supervisor control by data acquisition；
104：Judge that the frequency regulatory region where grid frequency value fluctuation range, frequency regulatory region include adjusting I section, adjusting
II section and dead zone adjust the collection at clustered control center if the frequency regulatory region where grid frequency value fluctuation range is dead zone
Group's charge power is P0If the frequency regulatory region where grid frequency value fluctuation range is to adjust I section, adjust in clustered control
The cluster charge power of the heart is P0+ Δ P1 is adjusted if the frequency regulatory region where grid frequency value fluctuation range is to adjust II section
The cluster charge power for saving clustered control center is P0-ΔP2；
105：By cluster charge power by SOC pro rates to be filled to each electric vehicle.
Δ P1 and Δ P2 can be a definite value in said program.Δ P1 and Δ P2 can also be carried out as the case may be
Setting.
The present invention considers the adjusting dead zone of mains frequency, avoids the unnecessary variation of electric vehicle charge power, together
When set basic charge power value P0(will be generally above 0) so that electric vehicle whole can be in charged state, avoid electricity
The frequent charge and discharge conversion in pond, can preferably meet user's charge requirement, decrease the loss to the service life of battery.
Further scheme is described below：
The frequency range for adjusting II section is (fmin,fd_L), the frequency range in dead zone is (fd_L,fd_H), adjust I section of frequency
Ranging from (fd_H,fmax)；
Wherein, fminFor preset frequency minima, fmaxFor preset maximum frequency, fd_LAnd fd_HFor preset dead zone
Frequency range limit value.
Frequency range (the f in dead zoned_L,fd_H) can include power frequency fN, i.e., it is attached the frequency range in dead zone to be set in power frequency
Closely, the charge power near power frequency can be made to remain unchanged, reduces power frequency attachment charge and discharge conversion and batteries of electric automobile
Loss, prevents charge power to be fluctuated near power frequency.
Adjusting II section of corresponding cluster charge power is：At this point, Δ P2 can be
The corresponding cluster charge power in dead zone is：P=P0；
Adjusting I section of corresponding cluster charge power is：At this point, Δ P1 can be
Wherein, P is cluster charge power, P0For specified charge power, PmaxAnd PminIt is limited for preset charge power range
Value, fNFor power frequency, f is the grid frequency value detected.
Further include after step 103：The grid frequency value detected is filtered by inertial element.It considers
Electric vehicle is to access power grid by power electronics interface, and the speed of response frequency variation can reach Millisecond, in frequency
Test side is added to inertia damping link, inhibits the mutation of electric vehicle charge power to a certain extent.
PmaxAnd PminValue according to the charge power adjustable extent of electric vehicle determine；
The charge power adjustable extent of electric vehicle is obtained by each clustered control center from electric vehicle.
It is one of the charge control method that mains frequency adjustment is participated in a kind of electric vehicle provided by the invention above
Embodiment is described in detail.It below will be to a kind of charging control of electric vehicle participation mains frequency adjustment provided by the invention
Another embodiment of method processed is described in detail.
Referring to Fig. 4, a kind of electric vehicle provided by the invention participates in the another of the charge control method of mains frequency adjustment
One embodiment, including：
Step 1：State-of-charge (SOC) and charge power adjustable extent are reported immediately after electric vehicle access power grid,
By each clustered control center summarizing and reporting to grid control centre.
Step 2：Often a period (10-15min) issues a basic charge power to grid control centre to each cluster excessively
Value P.
Step 3：Data are acquired detects grid frequency value in real time with supervisor control (SCADA), the frequency that will be detected
Value is filtered by inertial element.
Step 4：Curve judges whether the fluctuation range of filtered frequency values has reached what needs were adjusted according to fig. 2
Degree.It is constant without departing from then cluster power to remain as P, forward direction deviate and it is reversed press respectively when deviateing beyond dead zone adjust I section and
II section of regulation power is adjusted, cluster charge power is respectively P+ Δ P1 and P- Δs P2.
Step 5：By cluster charge power by SOC pro rates to be filled to each electric vehicle.
It is detailed to a kind of battery charge controller progress that electric vehicle participates in mains frequency adjustment provided by the invention below
Thin description.
A kind of electric vehicle provided by the invention participates in the battery charge controller of mains frequency adjustment, including：
Acquisition module, the state-of-charge SOC for obtaining electric vehicle by each clustered control center；
Basic charge power value sending module, for sending basic charge power to clustered control center every preset time
Value P0；
Detection module, for detecting grid frequency value in real time with supervisor control by data acquisition；
Adjustment module is judged, for judging the frequency regulatory region where grid frequency value fluctuation range, frequency regulatory region packet
It includes I section of adjusting, adjust II section and dead zone, if the frequency regulatory region where grid frequency value fluctuation range is dead zone, adjust collection
The cluster charge power at group control center is P0If the frequency regulatory region where grid frequency value fluctuation range is to adjust I section,
The cluster charge power for adjusting clustered control center is P0+ Δ P1, if the frequency regulatory region where grid frequency value fluctuation range
To adjust II section, then the cluster charge power for adjusting clustered control center is P0-ΔP2；
Power distribution module, for by cluster charge power by SOC pro rates to be filled to each electric vehicle.
The frequency range for adjusting II section is (fmin,fd_L), the frequency range in dead zone is (fd_L,fd_H), adjust I section of frequency
Ranging from (fd_H,fmax)；
Wherein, fminFor preset frequency minima, fmaxFor preset maximum frequency, fd_LAnd fd_HFor preset dead zone
Frequency range limit value.
Adjusting II section of corresponding cluster charge power is：
The corresponding cluster charge power in dead zone is：P=P0；
Adjusting I section of corresponding cluster charge power is：
Wherein, P is cluster charge power, P0For specified charge power, PmaxAnd PminIt is limited for preset charge power range
Value, fNFor power frequency, f is the grid frequency value detected.
The device further includes：Filter module is filtered place for the grid frequency value to detecting by inertial element
Reason.
PmaxAnd PminValue according to the charge power adjustable extent of electric vehicle determine；
The charge power adjustable extent of electric vehicle is obtained by each clustered control center from electric vehicle.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit
It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Stating embodiment, invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modification or replacement, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of electric vehicle participates in the charge control method of mains frequency adjustment, which is characterized in that including：
S1：The state-of-charge SOC of electric vehicle is obtained by each clustered control center；
S2：Every preset time basic charge power value P is sent to clustered control center0；
S3：Grid frequency value is detected in real time with supervisor control by data acquisition；
S4：Judge that the frequency regulatory region where grid frequency value fluctuation range, the frequency regulatory region include adjusting I section, adjusting
II section and dead zone adjust the collection at clustered control center if the frequency regulatory region where grid frequency value fluctuation range is dead zone
Group's charge power is P0If the frequency regulatory region where grid frequency value fluctuation range is to adjust I section, adjust in clustered control
The cluster charge power of the heart is P0+ Δ P1 is adjusted if the frequency regulatory region where grid frequency value fluctuation range is to adjust II section
The cluster charge power for saving clustered control center is P0-ΔP2；
S5：By cluster charge power by SOC pro rates to be filled to each electric vehicle.
2. a kind of electric vehicle according to claim 1 participates in the charge control method of mains frequency adjustment, feature exists
In,
The frequency range for adjusting II section is (fmin,fd_L), the frequency range in the dead zone is (fd_L,fd_H), it is described to adjust I
The frequency range of section is (fd_H,fmax)；
Wherein, fminFor preset frequency minima, fmaxFor preset maximum frequency, fd_LAnd fd_HFor preset dead zone frequency
Range limit.
3. a kind of electric vehicle according to claim 2 participates in the charge control method of mains frequency adjustment, feature exists
In,
II section of corresponding cluster charge power of the adjusting be：
The corresponding cluster charge power in the dead zone is：P=P0；
I section of corresponding cluster charge power of the adjusting be：
Wherein, P is cluster charge power, P0For specified charge power, PmaxAnd PminFor preset charge power range limit, f is
The grid frequency value detected.
4. a kind of electric vehicle according to claim 1 participates in the charge control method of mains frequency adjustment, feature exists
In the step S3 further includes later：The grid frequency value detected is filtered by inertial element.
5. a kind of electric vehicle according to claim 3 participates in the charge control method of mains frequency adjustment, feature exists
In the PmaxAnd PminValue according to the charge power adjustable extent of electric vehicle determine；
The charge power adjustable extent of electric vehicle is obtained by each clustered control center from electric vehicle.
6. a kind of electric vehicle participates in the battery charge controller of mains frequency adjustment, which is characterized in that including：
Acquisition module, the state-of-charge SOC for obtaining electric vehicle by each clustered control center；
Basic charge power value sending module, for sending basic charge power value P to clustered control center every preset time0；
Detection module, for detecting grid frequency value in real time with supervisor control by data acquisition；
Adjustment module is judged, for judging the frequency regulatory region where grid frequency value fluctuation range, the frequency regulatory region packet
It includes I section of adjusting, adjust II section and dead zone, if the frequency regulatory region where grid frequency value fluctuation range is dead zone, adjust collection
The cluster charge power at group control center is P0If the frequency regulatory region where grid frequency value fluctuation range is to adjust I section,
The cluster charge power for adjusting clustered control center is P0+ Δ P1, if the frequency regulatory region where grid frequency value fluctuation range
To adjust II section, then the cluster charge power for adjusting clustered control center is P0-ΔP2；
Power distribution module, for by cluster charge power by SOC pro rates to be filled to each electric vehicle.
7. a kind of electric vehicle according to claim 6 participates in the battery charge controller of mains frequency adjustment, feature exists
In,
The frequency range for adjusting II section is (fmin,fd_L), the frequency range in the dead zone is (fd_L,fd_H), it is described to adjust I
The frequency range of section is (fd_H,fmax)；
Wherein, fminFor preset frequency minima, fmaxFor preset maximum frequency, fd_LAnd fd_HFor preset dead zone frequency
Range limit.
8. a kind of electric vehicle according to claim 7 participates in the battery charge controller of mains frequency adjustment, feature exists
In,
II section of corresponding cluster charge power of the adjusting be：
The corresponding cluster charge power in the dead zone is：P=P0；
I section of corresponding cluster charge power of the adjusting be：
Wherein, P is cluster charge power, P0For specified charge power, PmaxAnd PminFor preset charge power range limit, f is
The grid frequency value detected.
9. a kind of electric vehicle according to claim 6 participates in the battery charge controller of mains frequency adjustment, feature exists
In further including：Filter module, for being filtered by inertial element to the grid frequency value detected.
10. a kind of electric vehicle according to claim 8 participates in the battery charge controller of mains frequency adjustment, feature exists
In the PmaxAnd PminValue according to the charge power adjustable extent of electric vehicle determine；
The charge power adjustable extent of electric vehicle is obtained by each clustered control center from electric vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810308070.1A CN108471123B (en) | 2018-04-08 | 2018-04-08 | A kind of electric car participates in the charge control method and device of mains frequency adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810308070.1A CN108471123B (en) | 2018-04-08 | 2018-04-08 | A kind of electric car participates in the charge control method and device of mains frequency adjustment |
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