CN109066790A - A kind of wind power plant primary frequency modulation and AGC control method for coordinating based on station control - Google Patents
A kind of wind power plant primary frequency modulation and AGC control method for coordinating based on station control Download PDFInfo
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- CN109066790A CN109066790A CN201810997278.9A CN201810997278A CN109066790A CN 109066790 A CN109066790 A CN 109066790A CN 201810997278 A CN201810997278 A CN 201810997278A CN 109066790 A CN109066790 A CN 109066790A
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- 238000011217 control strategy Methods 0.000 claims abstract description 6
- 238000007665 sagging Methods 0.000 claims abstract description 6
- 238000004364 calculation method Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000005684 electric field Effects 0.000 claims 1
- 238000005290 field theory Methods 0.000 claims 1
- 239000012141 concentrate Substances 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 6
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Classifications
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- H02J3/386—
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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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- 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
Abstract
The present invention is being incorporated into the power networks in the active power controller device for the wind power plant for concentrating access, and the sagging frequency for increasing wind power adjusts control strategy；And real-time monitoring is incorporated into the power networks and concentrates the wind farm grid-connected dot frequency of access, after grid-connected dot frequency is more than the primary frequency modulation dead zone of setting, control strategy is adjusted according to the sagging frequency of wind power and calculates energy management platform primary frequency modulation power target value P after primary frequency modulation actsPFR, primary frequency modulation TT&C system is by new primary frequency modulation power target value PPFREach wind power generating set is reassigned to by energy management platform, wind power generating set adjusts respectively power output according to instruction, realizes that the primary frequency function of wind power plant entirety controls wind power plant primary frequency modulation with wind power plant AGC and can coordinate.
Description
Technical field
The invention belongs to technical field of wind power, and in particular to a kind of wind power plant primary frequency modulation and AGC based on station control
Control method for coordinating.
Background technique
It is fast-developing by the generation of electricity by new energy of representative of wind-powered electricity generation in recent years, by the end of the year 2017, China's wind-powered electricity generation, photovoltaic installation
It up to 2.1 hundred million kilowatts, occupies first place in the world, wherein Northwest Grid new energy accounting reaches 32.8%.Power grid general assembly shared by new energy
The ratio of machine capacity is higher and higher.With the continuous raising of wind-powered electricity generation, photovoltaic accounting in partial electric grid, extra-high voltage direct-current transmission is gradually
It puts into operation, operation of power networks and structure more sophisticated, Power Systems balance and frequency modulation difficulty continue to increase.Generation of electricity by new energy ratio
Increase certainly will reduce it is conventional fire, Hydropower Unit installation ratio.Primary frequency modulation capacity ratio reduces in system, to mains frequency
Safety impacts, it is therefore desirable to excavate the fm capacity of new energy power station, wind power plant has participated in primary frequency regulation of power network
In partial region, power grid carries out early-stage study and pilot.
Wind power plant generally puts into AGC (Automatic Generation Control) operational mode at present, and according to regional power grid situation, there are AGC limits
Two kinds of situations of load operation and not load limit operation, often under the different AGC methods of operation, primary frequency modulation performance has biggish
Difference, if wind power plant primary frequency modulation and the uncoordinated performance that may will affect primary frequency modulation of AGC, it is therefore desirable to wind field AGC
Coordinated control is carried out with primary frequency modulation.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of wind power plant primary frequency modulations based on station control and AGC to assist
Control method, the present invention solve the problems, such as that primary frequency modulation and AGC are unable to coordinated control.
In order to achieve the above objectives, a kind of wind power plant primary frequency modulation and AGC based on station control of the present invention is coordinated to control
Method processed includes coordination and primary frequency modulation TT&C system and the energy management platform of primary frequency modulation TT&C system and wind field AGC
Coordinate；
Wherein, the coordination process of primary frequency modulation TT&C system and wind field AGC are as follows: primary frequency modulation TT&C system is by primary frequency modulation
Investment, primary frequency modulation action signal are sent to wind field AGC, wind field AGC and give theoretical power (horse-power), the AGC of each energy management platform
The real hair power of power and wind burette platform control blower is sent to primary frequency modulation TT&C system；
After wind field AGC receives primary frequency modulation investment and primary frequency modulation action signal simultaneously, stop to energy management platform
It sends AGC and gives power, send primary frequency modulation power target value P from primary frequency modulation TT&C system to energy management platformPFR；One
After secondary frequency modulation movement involution, the AGC finally received is given power and is respectively sent to each energy management by primary frequency modulation TT&C system
Then platform normally issues AGC to energy management platform from wind field AGC and gives power.
Primary frequency modulation TT&C system and energy management platform coordination process are as follows: during frequency modulation, primary frequency modulation TT&C system to
Each energy management platform issues frequency modulation investment signal, frequency modulation action signal and energy management platform primary frequency modulation power target value
PPFR, energy management platform according to receive frequency modulation action signal carry out frequency modulation.
Further, when mains frequency deviation is in primary frequency modulation dead zone range: primary frequency modulation TT&C system is failure to actuate,
AGC, which is sent, to each energy platform from wind field AGC gives power instruction；When mains frequency deviation is more than primary frequency modulation dead zone:
Primary frequency modulation TT&C system sends primary frequency modulation action signal to wind field AGC and energy management platform, and wind field AGC stops to energy
Platform sends AGC and gives power, sends energy management platform target power from primary frequency modulation TT&C system to energy management platform
PPFR。
Further, work as PTheoretical power (horse-power)-PReal hair power≥PIt is specified* when λ, it is judged as limited load；Each energy management platform target function at this time
Rate PPFRCalculation formula are as follows: PPFR=PAGC+△PPFC；Work as PTheoretical power (horse-power)-PReal hair power< PIt is specified* when λ, it is judged as not limited load；It is each at this time
Energy management platform target power PPFRCalculation formula are as follows: PPFR=PReal hair power+△PPFC；
In above formula: PTheoretical power (horse-power)The power that can be sent out for wind power plant under current wind speed；PReal hair powerFor current wind power plant actual power；λ
For the deviation factor of wind power plant theoretical power (horse-power) and real hair power, 0.05 generally can use；PAGCFor wind power plant AGC power given value；△
PPFCFor wind power plant primary frequency modulation regulated quantity, λ is the deviation factor of wind power plant theoretical power (horse-power) and real hair power.
Further, primary frequency modulation dead zone range is 0.05Hz~0.1Hz.
Further, energy management platform receives frequency modulation action signal and carries out frequency modulation using the mode quickly adjusted.
Further, it is being incorporated into the power networks in the active power controller device for the wind power plant for concentrating access, is increasing wind power plant function
The sagging frequency of rate adjusts control strategy.
Compared with prior art, the present invention at least has technical effect beneficial below, and present invention mainly solves wind-powered electricity generations
Field AGC real power control and primary frequency modulation often can not carry out coordinated control, and there are wind power plant AGC to be mutually latched with primary frequency modulation
The case where.Whether differentiation wind power plant proposed by the present invention is in limited load operating condition, and for limited load, limited load does not propose difference
Primary frequency modulation calculation method, it is ensured that wind power plant AGC can be worked orderly with primary frequency modulation in actual operation, guarantee
The two function operates normally.
Detailed description of the invention
Fig. 1 is wind power plant primary frequency modulation and AGC coordinated control schematic diagram.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
Referring to Fig.1, a kind of wind power plant primary frequency modulation and AGC control method for coordinating based on station control, comprising:
One, the coordination of wind field AGC and energy management platform
Wind field AGC sends AGC to each energy management platform and gives power, and energy management platform feeds back wind to wind field AGC
The real hair power of machine.
Two, primary frequency modulation TT&C system and wind field AGC coordinate
Primary frequency modulation TT&C system is communicated with wind field AGC, and primary frequency modulation is put into, is primary by primary frequency modulation TT&C system
Frequency modulation action signal is sent to wind field AGC, wind field AGC the theoretical power (horse-power) of each energy management platform, AGC giving power and air quantity
The real hair power of management platform courses blower is sent to primary frequency modulation TT&C system.
After wind field AGC receives primary frequency modulation investment and primary frequency modulation action signal simultaneously, stop to energy management platform
It sends AGC and gives power, send primary frequency modulation power target value P from primary frequency modulation TT&C system to energy management platformPFR.One
After secondary frequency modulation movement involution, the AGC finally received is given power and is respectively sent to each energy management by primary frequency modulation TT&C system
Then platform normally issues AGC to energy management platform from wind field AGC and gives power.Wherein, primary frequency modulation movement involution refers to frequency
Rate returns in dead zone range, and primary frequency modulation has dropped out.
Three, primary frequency modulation TT&C system and energy management platform are coordinated
(stop after wind field AGC receives primary frequency modulation investment and primary frequency modulation action signal to energy management during frequency modulation
Platform sends AGC and gives power, sends primary frequency modulation power target value from primary frequency modulation TT&C system to energy management platform
PPFR), primary frequency modulation TT&C system issues frequency modulation investment signal, frequency modulation action signal and energy pipe to each energy management platform
Platform primary frequency modulation power target value PPFR.Energy management platform receive frequency modulation action signal using the mode that quickly adjusts into
Row frequency modulation.
After primary frequency modulation movement, wind power plant energy management platform primary frequency modulation power target value PPFRDetermination method it is specific
It is as follows:
1, when mains frequency deviation is in primary frequency modulation dead zone range:
Primary frequency modulation TT&C system is failure to actuate, and is normally sent the given power of AGC to each energy platform from wind field AGC and is referred to
It enables.
2, when mains frequency deviation is more than primary frequency modulation dead zone, primary frequency modulation TT&C system is acted:
Primary frequency modulation TT&C system sends primary frequency modulation action signal to wind field AGC and energy management platform, and wind field AGC stops
AGC only is sent to energy platform and gives power, sends energy management platform from primary frequency modulation TT&C system to energy management platform
Target power PPFR, divide following two situation:
(1) under wind power plant limited load operating condition:
Work as PTheoretical power (horse-power)-PReal hair power≥PIt is specified* when λ, it is judged as limited load；
Each energy management platform target power are as follows: PPFR=PAGC+△PPFC
(2) unlimited load condition
Work as PTheoretical power (horse-power)-PReal hair power< PIt is specified* when λ, it is judged as not limited load
Each energy management platform target power are as follows: PPFR=PReal hair power+△PPFC
In above formula: PTheoretical power (horse-power)The power that can be sent out for wind power plant under current wind speed；λ is wind power plant theoretical power (horse-power) and real hair power
Deviation factor, generally desirable 0.05；PReal hair powerFor current wind power plant actual power；PAGCFor wind power plant AGC power given value；△
PPFCFor wind power plant primary frequency modulation regulated quantity, λ is the deviation factor of wind power plant theoretical power (horse-power) and real hair power, and λ generally takes 0.05.
The present invention is being incorporated into the power networks in the active power controller device for the wind power plant for concentrating access, increases wind power
Sagging frequency adjusts control strategy；And real-time monitoring is incorporated into the power networks and concentrates the wind farm grid-connected dot frequency of access, when grid entry point frequency
Behind primary frequency modulation dead zone of the rate more than setting, it is dynamic that control strategy calculating primary frequency modulation is adjusted according to the sagging frequency of wind power
Energy management platform primary frequency modulation power target value P after workPFR, primary frequency modulation TT&C system is by new primary frequency modulation power target
Value PPFREach wind power generating set is reassigned to by energy management platform, wind power generating set adjusts respectively to go out according to instruction
Power realizes that the primary frequency function of wind power plant entirety controls wind power plant primary frequency modulation with wind power plant AGC and can coordinate.
The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press
According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention
Protection scope within.
Claims (6)
1. a kind of wind power plant primary frequency modulation and AGC control method for coordinating based on station control, which is characterized in that including once adjusting
Frequency TT&C system and the coordination of wind field AGC and the coordination of primary frequency modulation TT&C system and energy management platform；
Wherein, the coordination process of primary frequency modulation TT&C system and wind field AGC are as follows: primary frequency modulation TT&C system throws primary frequency modulation
Enter, primary frequency modulation action signal is sent to wind field AGC, wind field AGC the theoretical power (horse-power) of each energy management platform, AGC giving function
The real hair power of rate and wind burette platform control blower is sent to primary frequency modulation TT&C system；
After wind field AGC receives primary frequency modulation investment and primary frequency modulation action signal simultaneously, stop sending to energy management platform
AGC gives power, sends primary frequency modulation power target value P from primary frequency modulation TT&C system to energy management platformPFR；It is primary to adjust
After frequency movement involution, the AGC finally received is given power and is respectively sent to each energy management platform by primary frequency modulation TT&C system,
Then AGC is issued to energy management platform from wind field AGC give power；
Primary frequency modulation TT&C system and energy management platform coordination process are as follows: during frequency modulation, primary frequency modulation TT&C system is to each energy
Buret platform issues frequency modulation investment signal, frequency modulation action signal and energy management platform primary frequency modulation power target value PPFR,
Energy management platform carries out frequency modulation according to frequency modulation action signal is received.
2. a kind of wind power plant primary frequency modulation and AGC control method for coordinating based on station control according to claim 1,
It is characterized in that, when mains frequency deviation is in primary frequency modulation dead zone range: primary frequency modulation TT&C system is failure to actuate, by wind field
AGC sends AGC to each energy platform and gives power instruction；When mains frequency deviation is more than primary frequency modulation dead zone: primary to adjust
Frequency TT&C system sends primary frequency modulation action signal to wind field AGC and energy management platform, and wind field AGC stops sending out to energy platform
It send AGC to give power, sends energy management platform target power P from primary frequency modulation TT&C system to energy management platformPFR。
3. a kind of wind power plant primary frequency modulation and AGC control method for coordinating based on station control according to claim 2,
It is characterized in that, works as PTheoretical power (horse-power)-PReal hair power≥PIt is specified* when λ, it is judged as limited load；Each energy management platform target power P at this timePFR's
Calculation formula are as follows: PPFR=PAGC+△PPFC；
Work as PTheoretical power (horse-power)-PReal hair power< PIt is specified* when λ, it is judged as not limited load；Each energy management platform target power P at this timePFRCalculating
Formula are as follows: PPFR=PReal hair power+△PPFC；
In above formula: PTheoretical power (horse-power)The power that can be sent out for wind power plant under current wind speed；PReal hair powerFor current wind power plant actual power；λ is wind
The deviation factor of electric field theory power and real hair power, generally desirable 0.05；PAGCFor wind power plant AGC power given value；△PPFC
For wind power plant primary frequency modulation regulated quantity, λ is the deviation factor of wind power plant theoretical power (horse-power) and real hair power.
4. a kind of wind power plant primary frequency modulation and AGC control method for coordinating based on station control according to claim 2,
It is characterized in that, primary frequency modulation dead zone range is 0.05Hz~0.1Hz.
5. a kind of wind power plant primary frequency modulation and AGC control method for coordinating based on station control according to claim 1,
It is characterized in that, energy management platform receives frequency modulation action signal and carries out frequency modulation using the mode quickly adjusted.
6. a kind of wind power plant primary frequency modulation and AGC control method for coordinating based on station control according to claim 1,
It is characterized in that, is being incorporated into the power networks in the active power controller device for the wind power plant for concentrating access, is increasing the sagging of wind power
Frequency adjusts control strategy.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350592A (en) * | 2019-06-03 | 2019-10-18 | 南京国电南自电网自动化有限公司 | A kind of fast frequency responding power control system and method |
| CN111211582A (en) * | 2020-02-25 | 2020-05-29 | 西南交通大学 | Power grid comprehensive frequency modulation method based on double-fed fan frequency modulation capability in wind power plant |
| CN111668857A (en) * | 2020-04-30 | 2020-09-15 | 中国电力科学研究院有限公司 | Method and system for primary frequency modulation of hydropower station generator monitoring system |
| CN112928778A (en) * | 2021-01-27 | 2021-06-08 | 许继集团有限公司 | Power and frequency regulation control method for photovoltaic energy storage power station |
| CN113285493A (en) * | 2021-03-24 | 2021-08-20 | 云南电力试验研究院(集团)有限公司 | Primary frequency modulation and AGC coordination control method for new energy station |
| CN113471986A (en) * | 2020-03-31 | 2021-10-01 | 北京金风科创风电设备有限公司 | Method for adjusting active power of wind power plant, control equipment and controller of wind power plant |
| CN113629785A (en) * | 2021-09-16 | 2021-11-09 | 中国船舶重工集团海装风电股份有限公司 | Wind power plant integrated power control system based on logic module |
| CN113824132A (en) * | 2021-09-08 | 2021-12-21 | 许昌许继风电科技有限公司 | Primary frequency modulation method and system for new energy station with energy management function |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350592A (en) * | 2019-06-03 | 2019-10-18 | 南京国电南自电网自动化有限公司 | A kind of fast frequency responding power control system and method |
| CN111211582A (en) * | 2020-02-25 | 2020-05-29 | 西南交通大学 | Power grid comprehensive frequency modulation method based on double-fed fan frequency modulation capability in wind power plant |
| CN111211582B (en) * | 2020-02-25 | 2022-03-15 | 西南交通大学 | Power grid comprehensive frequency modulation method based on double-fed fan frequency modulation capability in wind power plant |
| CN113471986A (en) * | 2020-03-31 | 2021-10-01 | 北京金风科创风电设备有限公司 | Method for adjusting active power of wind power plant, control equipment and controller of wind power plant |
| CN111668857A (en) * | 2020-04-30 | 2020-09-15 | 中国电力科学研究院有限公司 | Method and system for primary frequency modulation of hydropower station generator monitoring system |
| CN111668857B (en) * | 2020-04-30 | 2022-07-01 | 中国电力科学研究院有限公司 | Method and system for primary frequency modulation of hydropower station generator monitoring system |
| CN112928778A (en) * | 2021-01-27 | 2021-06-08 | 许继集团有限公司 | Power and frequency regulation control method for photovoltaic energy storage power station |
| CN112928778B (en) * | 2021-01-27 | 2023-11-28 | 许继集团有限公司 | Power and frequency regulation control method for photovoltaic energy storage power station |
| CN113285493A (en) * | 2021-03-24 | 2021-08-20 | 云南电力试验研究院(集团)有限公司 | Primary frequency modulation and AGC coordination control method for new energy station |
| CN113824132A (en) * | 2021-09-08 | 2021-12-21 | 许昌许继风电科技有限公司 | Primary frequency modulation method and system for new energy station with energy management function |
| CN113824132B (en) * | 2021-09-08 | 2023-08-18 | 许昌许继风电科技有限公司 | Primary frequency modulation method and system for new energy station with energy management function |
| CN113629785A (en) * | 2021-09-16 | 2021-11-09 | 中国船舶重工集团海装风电股份有限公司 | Wind power plant integrated power control system based on logic module |
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