CN105545590A - Wind generating set control method - Google Patents
Wind generating set control method Download PDFInfo
- Publication number
- CN105545590A CN105545590A CN201510950698.8A CN201510950698A CN105545590A CN 105545590 A CN105545590 A CN 105545590A CN 201510950698 A CN201510950698 A CN 201510950698A CN 105545590 A CN105545590 A CN 105545590A
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- Prior art keywords
- wind
- generating set
- wind generating
- power generating
- controling parameters
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/335—Output power or torque
-
- 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
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to a wind generating set control method. The wind generating set control method comprises the following steps: step 1, acquiring an estimated wind regime characteristic value and a wind generator running state initial value via a local or remote communication system; step 2, according to the estimated wind regime characteristic value, the wind generator running state initial value and a wind generating set control parameter, calculating a running state value of a wind generating set at each time point; step 3, comparing the running state values, obtained in step 2, of the wind generating set with a designed safety threshold value of the wind generating set; step 4, adopting an absorption power coefficient reduction and power output improvement method to obtain a corrected wind generating set control parameter; and step 5, using the wind generating set control parameter meeting the designed safety threshold value as a final execution parameter of a wind generator control system. With the adoption of the wind generating set control method, the response speed of the wind generating set is increased, and energy loss and mechanical load brought by shutdown are avoided.
Description
Technical field
The invention belongs to wind power generation field, be specifically related to a kind of controlling method of wind power generating set.
Background technique
Existing wind power generating set reply fitful wind wind regime mainly contains Wind turbines self process and wind energy turbine set forecast process two class mode.
Wind direction, air velocity transducer that Wind turbines self process is arranged mainly through self, realize real-time monitoring for self-operating state.This method Shortcomings, first, when Wind turbines self-sensor device detects wind regime exception, wind regime arrives at Wind turbines, and due to the huge inertia in Wind turbines structure and control, its emergency response often has comparatively long time delay.In this case there will be action not in time, system reaches the operating mode that even exceeds the maximum, and causes system protection, shutdown.This brings great potential safety hazard to the operation of Wind turbines.Secondly, in order to for such limited conditions, improving unit safety design margin will bring the significantly increase on cost.When wind power generating set because the system protection that causes of fitful wind and shutdown, even if there is not security incident, due to frequent shutdown, protection, wait, confirm, restart wind power generating set, bring negative effect to the operational efficiency of wind power generating set and stability.
Wind energy turbine set forecast process can provide the forecast of the fitful wind after certain hour according to short-range weather forecast and ultra-short term weather forecast, but minimum time yardstick rests on a hour rank, the process utilizing this fitful wind to forecast often requires that wind power generating set is fallen appearance and run to ensure that enough operation nargin ensures safety.This will reduce the whole efficiency of wind energy turbine set, loss generated energy.
Summary of the invention
The object of the invention is to overcome above defect, a kind of controlling method of safe and reliable wind power generating set is provided.
Technological scheme of the present invention is, a kind of controlling method of wind power generating set, and it comprises the following steps:
Step 1, by Local or Remote communications system, obtain the wind regime eigenvalue and fan operation state initial value estimated, what wind regime eigenvalue at least comprised each time point of Wind turbines geographic location estimates wind speed, and fan operation state initial value at least comprises the wheel speed Rotspd of original state
int, original state blade vane angle Ptang
int, original state blower fan output power Pwrout
int;
Wind regime eigenvalue, fan operation state initial value and wind power generating set controling parameters that step 2, basis are estimated, calculate the running state value of the Wind turbines of each time point, wind power generating set design parameter at least comprises rated speed, hypervelocity threshold value, rated power, different rotating speeds, propeller pitch angle, absorbed power coefficient under wind speed, the running state value of Wind turbines at least comprises current impeller running speed Rotspdi, blade vane angle Ptangi, blower fan output power Pwrouti, and wind power generating set controling parameters at least comprises absorbed power coefficient and output power curve;
Step 3, the running state value of the Wind turbines of step 2 and the design safety threshold values of Wind turbines to be compared, when exceeding setting range in advance, then enter step 4, otherwise enter step 5;
Step 4, take reduce absorbed power coefficient and improve the method for power stage, reduce impeller kinetic energy, improve impeller kinetic energy safety allowance, obtain the wind power generating set controling parameters revised, the controling parameters revised at least comprises to be revised absorbed power coefficient and revises output power curve, enter step 2, utilize the wind power generating set controling parameters in the wind power generating set controling parameters alternative steps 2 revised;
Step 5, will the wind power generating set controling parameters of design safety threshold values be met, as the execution parameter of final blower fan control system.
Advantageous Effects of the present invention is, when the running state value of Wind turbines and the design safety threshold values of Wind turbines exceed setting range in advance, the method reducing absorbed power coefficient and improve power stage is taked by not shutting down, reduce impeller kinetic energy, improve impeller kinetic energy safety allowance, obtain the wind power generating set controling parameters revised, improve Wind turbines speed of response, avoid shutting down the energy loss and mechanical load brought, improve the availability of Wind turbines, the total energy loss avoiding all shutdown to bring and on a large scale power swing are to the impact of electrical network, improve the grid adaptability of wind energy turbine set.
Accompanying drawing explanation
Fig. 1 embodiment of the present invention controlling method flow chart.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
With reference to accompanying drawing, a kind of controlling method of wind power generating set, it comprises the following steps:
Step 1, by Local or Remote communications system, obtain the wind regime eigenvalue and fan operation state initial value estimated, what wind regime eigenvalue at least comprised each time point of Wind turbines geographic location estimates wind speed, and fan operation state initial value at least comprises the wheel speed Rotspd of original state
int, original state blade vane angle Ptang
int, original state blower fan output power Pwrout
int;
Wind regime eigenvalue, fan operation state initial value and wind power generating set controling parameters that step 2, basis are estimated, calculate the running state value of the Wind turbines of each time point, wind power generating set design parameter at least comprises rated speed, hypervelocity threshold value, rated power, different rotating speeds, propeller pitch angle, absorbed power coefficient under wind speed, the running state value of Wind turbines at least comprises current impeller running speed Rotspdi, blade vane angle Ptangi, blower fan output power Pwrouti, and wind power generating set controling parameters at least comprises absorbed power coefficient and output power curve;
Step 3, the running state value of the Wind turbines of step 2 and the design safety threshold values of Wind turbines to be compared, when exceeding setting range in advance, then enter step 4, otherwise enter step 5;
Step 4, take reduce absorbed power coefficient and improve the method for power stage, reduce impeller kinetic energy, improve impeller kinetic energy safety allowance, obtain the wind power generating set controling parameters revised, the controling parameters revised at least comprises to be revised absorbed power coefficient and revises output power curve, enter step 2, utilize the wind power generating set controling parameters in the wind power generating set controling parameters alternative steps 2 revised;
Step 5, will the wind power generating set controling parameters of design safety threshold values be met, as the execution parameter of final blower fan control system.
Claims (1)
1. a controlling method for wind power generating set, is characterized in that, it comprises the following steps:
Step 1, by Local or Remote communications system, obtain the wind regime eigenvalue and fan operation state initial value estimated, what wind regime eigenvalue at least comprised each time point of Wind turbines geographic location estimates wind speed, and fan operation state initial value at least comprises the wheel speed Rotspd of original state
int, original state blade vane angle Ptang
int, original state blower fan output power Pwrout
int;
Wind regime eigenvalue, fan operation state initial value and wind power generating set controling parameters that step 2, basis are estimated, calculate the running state value of the Wind turbines of each time point, wind power generating set design parameter at least comprises rated speed, hypervelocity threshold value, rated power, different rotating speeds, propeller pitch angle, absorbed power coefficient under wind speed, the running state value of Wind turbines at least comprises current impeller running speed Rotspdi, blade vane angle Ptangi, blower fan output power Pwrouti, and wind power generating set controling parameters at least comprises absorbed power coefficient and output power curve;
Step 3, the running state value of the Wind turbines of step 2 and the design safety threshold values of Wind turbines to be compared, when exceeding setting range in advance, then enter step 4, otherwise enter step 5;
Step 4, take reduce absorbed power coefficient and improve the method for power stage, reduce impeller kinetic energy, improve impeller kinetic energy safety allowance, obtain the wind power generating set controling parameters revised, the controling parameters revised at least comprises to be revised absorbed power coefficient and revises output power curve, enter step 2, utilize the wind power generating set controling parameters in the wind power generating set controling parameters alternative steps 2 revised;
Step 5, will the wind power generating set controling parameters of design safety threshold values be met, as the execution parameter of final blower fan control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510950698.8A CN105545590B (en) | 2015-12-19 | 2015-12-19 | A kind of control method of wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510950698.8A CN105545590B (en) | 2015-12-19 | 2015-12-19 | A kind of control method of wind power generating set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105545590A true CN105545590A (en) | 2016-05-04 |
| CN105545590B CN105545590B (en) | 2018-03-20 |
Family
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| CN201510950698.8A Active CN105545590B (en) | 2015-12-19 | 2015-12-19 | A kind of control method of wind power generating set |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351792A (en) * | 2016-11-24 | 2017-01-25 | 重集团大连设计研究院有限公司 | Load reducing system of wind generator set and working method of load reducing system |
| CN109586332A (en) * | 2018-10-30 | 2019-04-05 | 湘电风能有限公司 | A kind of active power dispatching method containing soft tower wind power plant |
| CN109672209A (en) * | 2017-10-16 | 2019-04-23 | 中车株洲电力机车研究所有限公司 | A kind of Wind turbines control method and system based on electric network state |
| CN109667713A (en) * | 2017-10-16 | 2019-04-23 | 中车株洲电力机车研究所有限公司 | A kind of wind power generating set increasing function control method and device |
| CN109944740A (en) * | 2017-12-21 | 2019-06-28 | 北京金风科创风电设备有限公司 | Wind farm group control method and device |
| CN113623135A (en) * | 2021-09-15 | 2021-11-09 | 中国船舶重工集团海装风电股份有限公司 | Overspeed-preventing shutdown control method for wind turbine generator |
| CN113972866A (en) * | 2021-10-31 | 2022-01-25 | 重庆科凯前卫风电设备有限责任公司 | Capacity reduction control strategy algorithm for double-fed wind generating set |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182629B (en) * | 2011-03-29 | 2013-01-02 | 国网电力科学研究院 | Abandon wind power assessment method based on wind resource real-time measurement data |
| JP2013106437A (en) * | 2011-11-14 | 2013-05-30 | Mitsubishi Heavy Ind Ltd | Wind power generation apparatus, method and program |
| ES2538739B1 (en) * | 2013-12-23 | 2016-04-14 | Acciona Windpower, S.A. | Wind Turbine Control Method |
| CN104712498B (en) * | 2015-01-19 | 2017-09-15 | 北京金风科创风电设备有限公司 | Control system and method of wind generating set |
-
2015
- 2015-12-19 CN CN201510950698.8A patent/CN105545590B/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351792A (en) * | 2016-11-24 | 2017-01-25 | 重集团大连设计研究院有限公司 | Load reducing system of wind generator set and working method of load reducing system |
| CN109672209A (en) * | 2017-10-16 | 2019-04-23 | 中车株洲电力机车研究所有限公司 | A kind of Wind turbines control method and system based on electric network state |
| CN109667713A (en) * | 2017-10-16 | 2019-04-23 | 中车株洲电力机车研究所有限公司 | A kind of wind power generating set increasing function control method and device |
| CN109672209B (en) * | 2017-10-16 | 2022-07-19 | 中车株洲电力机车研究所有限公司 | Wind turbine generator control method and system based on power grid state |
| CN109944740A (en) * | 2017-12-21 | 2019-06-28 | 北京金风科创风电设备有限公司 | Wind farm group control method and device |
| CN109586332A (en) * | 2018-10-30 | 2019-04-05 | 湘电风能有限公司 | A kind of active power dispatching method containing soft tower wind power plant |
| CN109586332B (en) * | 2018-10-30 | 2022-02-08 | 湘电风能有限公司 | Active power scheduling method for wind power plant with flexible tower |
| CN113623135A (en) * | 2021-09-15 | 2021-11-09 | 中国船舶重工集团海装风电股份有限公司 | Overspeed-preventing shutdown control method for wind turbine generator |
| CN113623135B (en) * | 2021-09-15 | 2022-09-27 | 中国船舶重工集团海装风电股份有限公司 | Overspeed-preventing shutdown control method for wind turbine generator |
| CN113972866A (en) * | 2021-10-31 | 2022-01-25 | 重庆科凯前卫风电设备有限责任公司 | Capacity reduction control strategy algorithm for double-fed wind generating set |
| CN113972866B (en) * | 2021-10-31 | 2023-07-21 | 重庆科凯前卫风电设备有限责任公司 | Capacity-reducing control strategy algorithm for doubly-fed wind turbine generator system |
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| CN105545590B (en) | 2018-03-20 |
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Inventor after: Huang Lingxiang Inventor after: Zhou Jianxiong Inventor after: Song Xiaoping Inventor after: Xiong Xian Inventor before: Huang Lingxiang Inventor before: Song Xiaoping Inventor before: Xiong Xian |
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