CN208158140U - Frequency modulation device is coordinated in wind storage based on virtual synchronous machine - Google Patents
Frequency modulation device is coordinated in wind storage based on virtual synchronous machine Download PDFInfo
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- CN208158140U CN208158140U CN201820585175.7U CN201820585175U CN208158140U CN 208158140 U CN208158140 U CN 208158140U CN 201820585175 U CN201820585175 U CN 201820585175U CN 208158140 U CN208158140 U CN 208158140U
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 60
- 238000004146 energy storage Methods 0.000 claims abstract description 21
- 238000007665 sagging Methods 0.000 claims description 30
- 238000012935 Averaging Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
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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
-
- 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
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Wind Motors (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The utility model provides a kind of wind storage coordination frequency modulation device based on virtual synchronous machine, including：Data acquisition device, parameter input device, the comparator being connect respectively with parameter input device and data acquisition device, the controller being connect respectively with data acquisition device and comparator, Wind turbines connected to the controller and energy-accumulating power station, the multiple Wind turbines virtual synchronous machines being connect with Wind turbines and the multiple energy storage devices being connect with energy-accumulating power station.The utility model can adjust power system frequency in time, save energy storage cost of investment.
Description
Technical field
The utility model relates to virtual synchronous machine fields, and in particular, to a kind of wind storage coordination based on virtual synchronous machine
Frequency modulation device.
Background technique
Power system frequency is the important indicator for measuring electric power quality, since wind power output has short-time rating
Fluctuation, and the variable-speed wind-power unit of mainstream can not adjust the frequency of Wind turbines and energy-accumulating power station, therefore electric power in time at present
The safety of stablizing of system frequency receives huge challenge, increases energy storage cost of investment.
Utility model content
The main purpose of the utility model embodiment is to provide a kind of wind storage coordination frequency modulation dress based on virtual synchronous machine
It sets, to adjust power system frequency in time, saves energy storage cost of investment.
To achieve the goals above, the utility model embodiment provides a kind of wind storage coordination frequency modulation based on virtual synchronous machine
Device, including：
Data acquisition device, parameter input device, respectively compared with parameter input device is connected with data acquisition device
Device, the controller being connect respectively with data acquisition device and comparator, Wind turbines connected to the controller and energy-accumulating power station, with
Multiple Wind turbines virtual synchronous machines of Wind turbines connection and the multiple energy storage devices being connect with energy-accumulating power station；
Data acquisition device in real time acquire electric system rated frequency, phase-locked loop frequency, system frequency change rate,
Wind turbines rated power and power signal value；
Parameter input device is for inputting preset phase-locked loop frequency range, the sagging control coefrficient of central controller, center
The virtual factor of inertia of controller, the sagging control coefrficient of Wind turbines virtual synchronous machine and the virtual inertia of Wind turbines virtual synchronous machine
Coefficient；
Comparator exports FM signal for phase-locked loop frequency to be made comparisons with phase-locked loop frequency range；
When phase-locked loop frequency is not within the scope of phase-locked loop frequency, controller is used for according to FM signal, electric system volume
It is empty to determine frequency, phase-locked loop frequency, the sagging control coefrficient of Wind turbines virtual synchronous machine, the change rate of system frequency, Wind turbines
The quasi- virtual factor of inertia of synchronous machine and Wind turbines rated power export Wind turbines frequency modulation power to Wind turbines；And according to tune
Frequency signal, electric system rated frequency, phase-locked loop frequency, the sagging control coefrficient of central controller, system frequency change rate, in
The virtual factor of inertia of controller, Wind turbines rated power and power signal value is entreated to export energy-accumulating power station frequency modulation power to energy storage electricity
It stands；
Wind turbines are used for：Wind turbines frequency modulation power averaging is distributed into multiple Wind turbines virtual synchronous machines；
Energy-accumulating power station is used for：Energy-accumulating power station frequency modulation power averaging is distributed into multiple energy storage devices.
In a kind of wherein embodiment, further include：
The display being connect respectively with data acquisition device, parameter input device, Wind turbines and energy-accumulating power station, for showing
Show the sagging control coefrficient of electric system rated frequency, phase-locked loop frequency, central controller, the change rate of system frequency, center control
The virtual factor of inertia of device processed, Wind turbines rated power, the sagging control coefrficient of Wind turbines virtual synchronous machine, Wind turbines are virtual
The virtual factor of inertia of synchronous machine, power signal value and phase-locked loop frequency range.
In a kind of wherein embodiment, further include：
The memory being connect respectively with data acquisition device, parameter input device, Wind turbines and energy-accumulating power station, for real
When storage electric system rated frequency, phase-locked loop frequency, the sagging control coefrficient of central controller, system frequency change rate, in
Entreat the virtual factor of inertia of controller, Wind turbines rated power, the sagging control coefrficient of Wind turbines virtual synchronous machine, Wind turbines
The virtual factor of inertia of virtual synchronous machine, power signal value and phase-locked loop frequency range.
In a kind of wherein embodiment, parameter input device is keyboard.
In a kind of wherein embodiment, preset phase-locked loop frequency range is：More than or equal to 49.97Hz, it is less than or waits
In 50.03Hz.
The wind storage based on virtual synchronous machine of the utility model embodiment coordinates frequency modulation device and includes：Data acquisition device,
Parameter input device, the comparator being connect respectively with parameter input device and data acquisition device, respectively with data acquisition device
Controller, Wind turbines connected to the controller and the energy-accumulating power station connected with comparator, the multiple wind being connect with Wind turbines
Motor group virtual synchronous machine and the multiple energy storage devices connecting with energy-accumulating power station, can adjust power system frequency in time, save
Energy storage cost of investment.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural block diagram of the wind storage coordination frequency modulation device in the utility model embodiment based on virtual synchronous machine.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The frequency of Wind turbines and energy-accumulating power station, electric power can not be adjusted in time in view of the variable-speed wind-power unit of current mainstream
System frequency is unstable, increases energy storage cost of investment, and the utility model embodiment provides a kind of wind based on virtual synchronous machine
Frequency modulation device is coordinated in storage, can adjust power system frequency in time, saves energy storage cost of investment.It is practical to this below in conjunction with attached drawing
It is novel to be described in detail.
Fig. 1 is the structural block diagram of the wind storage coordination frequency modulation device in the utility model embodiment based on virtual synchronous machine.Such as
Shown in Fig. 1, the wind storage based on virtual synchronous machine coordinates frequency modulation device and includes：Data acquisition device, parameter input device, respectively with
Parameter input device and the comparator of data acquisition device connection, the control that is connect respectively with data acquisition device and comparator
Device, Wind turbines connected to the controller and energy-accumulating power station, the multiple Wind turbines virtual synchronous machines being connect with Wind turbines and
The multiple energy storage devices being connect with energy-accumulating power station.
Data acquisition device in real time acquire electric system rated frequency, phase-locked loop frequency, system frequency change rate,
Wind turbines rated power and power signal value.
Parameter input device is for inputting preset phase-locked loop frequency range, the sagging control coefrficient of central controller, center
The virtual factor of inertia of controller, the sagging control coefrficient of Wind turbines virtual synchronous machine and the virtual inertia of Wind turbines virtual synchronous machine
Coefficient；Wherein, parameter input device can be keyboard.
Comparator exports FM signal for phase-locked loop frequency to be made comparisons with phase-locked loop frequency range.Wherein, it presets
Phase-locked loop frequency range be：More than or equal to 49.97Hz, it is less than or equal to 50.03Hz.
When phase-locked loop frequency is not within the scope of phase-locked loop frequency, controller is used for：According to FM signal, electric system volume
It is empty to determine frequency, phase-locked loop frequency, the sagging control coefrficient of Wind turbines virtual synchronous machine, the change rate of system frequency, Wind turbines
The quasi- virtual factor of inertia of synchronous machine and Wind turbines rated power export Wind turbines frequency modulation power to Wind turbines；And according to tune
Frequency signal, electric system rated frequency, phase-locked loop frequency, the sagging control coefrficient of central controller, system frequency change rate, in
The virtual factor of inertia of controller, Wind turbines rated power and power signal value is entreated to export energy-accumulating power station frequency modulation power to energy storage electricity
It stands；
Wind turbines are used for：Wind turbines frequency modulation power averaging is distributed into multiple Wind turbines virtual synchronous machines；
Energy-accumulating power station is used for：Energy-accumulating power station frequency modulation power averaging is distributed into multiple energy storage devices.
In one embodiment, the wind storage based on virtual synchronous machine coordinates frequency modulation device and further includes：Respectively with data acquisition device,
The display that parameter input device, Wind turbines and energy-accumulating power station connect, for showing electric system rated frequency, phaselocked loop frequency
The sagging control coefrficient of rate, central controller, the change rate of system frequency, the virtual factor of inertia of central controller, Wind turbines volume
Determine power, the sagging control coefrficient of Wind turbines virtual synchronous machine, the virtual factor of inertia of Wind turbines virtual synchronous machine, power signal
Value and phase-locked loop frequency range.Data acquisition device, parameter input device, Wind turbines and energy-accumulating power station can be logical by GPRS
Believe that above-mentioned data are sent to display by interface or bluetooth communication interface.Display can be installed on management workshop, be convenient for work
Personnel obtain wind storage in real time and coordinate frequency modulation situation.
In one embodiment, the wind storage based on virtual synchronous machine coordinates frequency modulation device and further includes：Respectively with data acquisition device,
The memory that parameter input device, Wind turbines and energy-accumulating power station connect is used for real-time storage electric system rated frequency, locking phase
The sagging control coefrficient of ring frequency, central controller, the change rate of system frequency, the virtual factor of inertia of central controller, wind turbine
Group rated power, the sagging control coefrficient of Wind turbines virtual synchronous machine, the virtual factor of inertia of Wind turbines virtual synchronous machine, power
Signal value and phase-locked loop frequency range.
When it is implemented, can carry out wind storage in the following way coordinates frequency modulation：
1, data acquisition device acquires electric system rated frequency, phase-locked loop frequency, the change rate of system frequency, wind in real time
Motor group rated power and power signal value.
2, parameter input device inputs preset phase-locked loop frequency range, the sagging control coefrficient of central controller, center control
The virtual factor of inertia of device processed, the sagging control coefrficient of Wind turbines virtual synchronous machine and the virtual inertia system of Wind turbines virtual synchronous machine
Number.
Wherein, preset phase-locked loop frequency range is：More than or equal to 49.97Hz, it is less than or equal to 50.03Hz.Center
The optimal value of the sagging control coefrficient of controller is 20, and the optimal value of the virtual factor of inertia of central controller is 5.Wind turbines are virtual
The optimal value of the sagging control coefrficient of synchronous machine is 5, and the optimal value of the virtual factor of inertia of Wind turbines virtual synchronous machine is 12.
3, comparator makes comparisons phase-locked loop frequency with phase-locked loop frequency range, and exports FM signal.
4, when phase-locked loop frequency is not within the scope of phase-locked loop frequency, controller is specified according to FM signal, electric system
Frequency, phase-locked loop frequency, the sagging control coefrficient of Wind turbines virtual synchronous machine, the change rate of system frequency, Wind turbines are virtual
The virtual factor of inertia of synchronous machine and Wind turbines rated power export Wind turbines frequency modulation power to Wind turbines, controller also root
According to FM signal, the variation of electric system rated frequency, phase-locked loop frequency, central controller sagging control coefrficient, system frequency
The virtual factor of inertia of rate, central controller, Wind turbines rated power and power signal value output energy-accumulating power station frequency modulation power are extremely
Energy-accumulating power station.
5, Wind turbines frequency modulation power averaging is distributed to multiple Wind turbines virtual synchronous machines by Wind turbines.
6, energy-accumulating power station frequency modulation power averaging is distributed to multiple energy storage devices by energy-accumulating power station.
Wherein, when phase-locked loop frequency is within the scope of phase-locked loop frequency, controller output power signal value to energy storage electricity
It stands, power signal value is averagely allocated to multiple energy storage devices by energy-accumulating power station.
To sum up, the wind storage coordination frequency modulation device based on virtual synchronous machine of the utility model embodiment includes：Data acquisition
Device, parameter input device, the comparator being connect respectively with parameter input device and data acquisition device, respectively with data acquire
Controller, Wind turbines connected to the controller and the energy-accumulating power station that device is connected with comparator, what is connect with Wind turbines is more
A Wind turbines virtual synchronous machine and the multiple energy storage devices connecting with energy-accumulating power station, can adjust power system frequency in time,
Save energy storage cost of investment.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that being not used to limit this foregoing is merely specific embodiment of the utility model
The protection scope of utility model, within the spirit and principle of the utility model, any modification for being made, changes equivalent replacement
Into etc., it should be included within the scope of protection of this utility model.
Claims (5)
1. frequency modulation device is coordinated in a kind of wind storage based on virtual synchronous machine, which is characterized in that including：
Data acquisition device, is respectively connect with the parameter input device and the data acquisition device parameter input device
Comparator, the controller being connect respectively with the data acquisition device and the comparator, the wind-powered electricity generation being connect with the controller
It unit and energy-accumulating power station, the multiple Wind turbines virtual synchronous machines being connect with the Wind turbines and is connect with the energy-accumulating power station
Multiple energy storage devices；
The data acquisition device in real time acquire electric system rated frequency, phase-locked loop frequency, system frequency change rate,
Wind turbines rated power and power signal value；
The parameter input device is for inputting preset phase-locked loop frequency range, the sagging control coefrficient of central controller, center
The virtual factor of inertia of controller, the sagging control coefrficient of Wind turbines virtual synchronous machine and the virtual inertia of Wind turbines virtual synchronous machine
Coefficient；
The comparator exports FM signal for the phase-locked loop frequency to be made comparisons with phase-locked loop frequency range；
When the phase-locked loop frequency is not within the scope of phase-locked loop frequency, the controller is used for according to the FM signal, institute
State electric system rated frequency, the phase-locked loop frequency, the sagging control coefrficient of the Wind turbines virtual synchronous machine, the system
The change rate of frequency, the virtual factor of inertia of the Wind turbines virtual synchronous machine and the Wind turbines rated power export wind-powered electricity generation
Unit frequency modulation power is to Wind turbines；And according to the FM signal, the electric system rated frequency, phaselocked loop frequency
Rate, the sagging control coefrficient of the central controller, the change rate of the system frequency, the virtual inertia system of the central controller
Several, the described Wind turbines rated power and the power signal value export energy-accumulating power station frequency modulation power to energy-accumulating power station；
The Wind turbines are used for：The Wind turbines frequency modulation power averaging is distributed into multiple Wind turbines virtual synchronous machines；
The energy-accumulating power station is used for：The energy-accumulating power station frequency modulation power averaging is distributed into multiple energy storage devices.
2. frequency modulation device is coordinated in the wind storage according to claim 1 based on virtual synchronous machine, which is characterized in that further include：
It is connect respectively with the data acquisition device, the parameter input device, the Wind turbines and the energy-accumulating power station
Display, for showing the sagging control system of the electric system rated frequency, the phase-locked loop frequency, the central controller
It is the change rate of several, the described system frequency, the virtual factor of inertia of the central controller, the Wind turbines rated power, described
The sagging control coefrficient of Wind turbines virtual synchronous machine, the virtual factor of inertia of the Wind turbines virtual synchronous machine, power letter
Number value and the phase-locked loop frequency range.
3. frequency modulation device is coordinated in the wind storage according to claim 1 based on virtual synchronous machine, which is characterized in that further include：
It is connect respectively with the data acquisition device, the parameter input device, the Wind turbines and the energy-accumulating power station
Memory, for electric system rated frequency, the phase-locked loop frequency, the sagging control of the central controller described in real-time storage
Coefficient, the change rate of the system frequency, the virtual factor of inertia of the central controller, the Wind turbines rated power, institute
State the sagging control coefrficient of Wind turbines virtual synchronous machine, the virtual factor of inertia of the Wind turbines virtual synchronous machine, the power
Signal value and the phase-locked loop frequency range.
4. frequency modulation device is coordinated in the wind storage according to claim 1 based on virtual synchronous machine, which is characterized in that
The parameter input device is keyboard.
5. frequency modulation device is coordinated in the wind storage according to claim 1 based on virtual synchronous machine, which is characterized in that
The preset phase-locked loop frequency range is：More than or equal to 49.97Hz, it is less than or equal to 50.03Hz.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820585175.7U CN208158140U (en) | 2018-04-23 | 2018-04-23 | Frequency modulation device is coordinated in wind storage based on virtual synchronous machine |
| PCT/CN2018/118088 WO2019205626A1 (en) | 2018-04-23 | 2018-11-29 | Coordinated frequency modulation device for wind power storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820585175.7U CN208158140U (en) | 2018-04-23 | 2018-04-23 | Frequency modulation device is coordinated in wind storage based on virtual synchronous machine |
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| CN208158140U true CN208158140U (en) | 2018-11-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019205626A1 (en) * | 2018-04-23 | 2019-10-31 | 华北电力科学研究院有限责任公司 | Coordinated frequency modulation device for wind power storage |
| CN112290530A (en) * | 2019-07-25 | 2021-01-29 | 南京理工大学 | Bidding strategy optimization method for wind storage combined power generator participating in energy-frequency modulation market |
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| CN113690948B (en) * | 2020-05-18 | 2024-04-12 | 北京金风科创风电设备有限公司 | Method, control terminal and system for controlling virtual inertia response of power generation unit |
| CN112186786B (en) * | 2020-09-27 | 2024-03-15 | 国网辽宁省电力有限公司经济技术研究院 | Energy storage auxiliary frequency modulation capacity configuration method based on virtual synchronous generator |
| CN113783237B (en) * | 2021-08-12 | 2022-11-18 | 华北电力大学 | Energy storage fast frequency modulation control method considering response delay |
| CN113964882B (en) * | 2021-09-29 | 2024-05-28 | 中国长江三峡集团有限公司 | Control method and device for wind-storage cooperative participation in frequency modulation |
| CN114142497B (en) * | 2021-11-18 | 2024-01-05 | 国网青海省电力公司清洁能源发展研究院 | Electric power energy storage intelligent body control algorithm and control system |
| CN114362206B (en) * | 2021-12-29 | 2024-09-24 | 广东电网有限责任公司 | Frequency modulation method and device for wind turbine generator to participate in power system under zero standby condition |
| CN115347609B (en) * | 2022-08-22 | 2024-05-31 | 广西电网有限责任公司电力科学研究院 | Power control method for large-scale wind power and energy storage to cooperatively participate in grid frequency modulation |
| CN115296309B (en) * | 2022-10-09 | 2023-02-14 | 国网江西省电力有限公司电力科学研究院 | Wind, light, water, fire and storage combined secondary frequency modulation method based on real-time inertia estimation |
| CN117674189A (en) * | 2023-11-25 | 2024-03-08 | 山东大学 | Wind turbine generator frequency modulation parameter setting method based on available frequency modulation energy constraint |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2075890B1 (en) * | 2007-12-28 | 2019-07-03 | Vestas Wind Systems A/S | Method for fast frequency regulation using a power reservoir |
| CN104333037B (en) * | 2014-11-02 | 2016-08-24 | 中国科学院电工研究所 | Wind accumulation participates in the cooperative control method of power system frequency modulation and voltage modulation |
| CN105226719B (en) * | 2015-11-09 | 2017-11-07 | 安徽工程大学 | The energy storage control system and its control method regulated and controled for wind power |
| CN208158140U (en) * | 2018-04-23 | 2018-11-27 | 华北电力科学研究院有限责任公司 | Frequency modulation device is coordinated in wind storage based on virtual synchronous machine |
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- 2018-11-29 WO PCT/CN2018/118088 patent/WO2019205626A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019205626A1 (en) * | 2018-04-23 | 2019-10-31 | 华北电力科学研究院有限责任公司 | Coordinated frequency modulation device for wind power storage |
| CN112290530A (en) * | 2019-07-25 | 2021-01-29 | 南京理工大学 | Bidding strategy optimization method for wind storage combined power generator participating in energy-frequency modulation market |
| CN112290530B (en) * | 2019-07-25 | 2022-09-27 | 南京理工大学 | Bidding strategy optimization method for wind storage combined power generation provider participating in energy-frequency modulation market |
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