CN106194580A - A kind of thrust abatement control algolithm of wind power generating set - Google Patents

A kind of thrust abatement control algolithm of wind power generating set Download PDF

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Publication number
CN106194580A
CN106194580A CN201610557116.4A CN201610557116A CN106194580A CN 106194580 A CN106194580 A CN 106194580A CN 201610557116 A CN201610557116 A CN 201610557116A CN 106194580 A CN106194580 A CN 106194580A
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CN
China
Prior art keywords
pitch angle
power generating
wind power
generating set
minimum
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Pending
Application number
CN201610557116.4A
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Chinese (zh)
Inventor
周玲
邹荔兵
段居永
任永
周军
黄满洪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Mingyang Wind Power Group Co Ltd
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Guangdong Mingyang Wind Power Group Co Ltd
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Publication date
Application filed by Guangdong Mingyang Wind Power Group Co Ltd filed Critical Guangdong Mingyang Wind Power Group Co Ltd
Priority to CN201610557116.4A priority Critical patent/CN106194580A/en
Publication of CN106194580A publication Critical patent/CN106194580A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D7/00Controlling wind motors 
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00Function
    • F05B2260/70Adjusting of angle of incidence or attack of rotating blades
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00Control
    • F05B2270/10Purpose of the control system
    • F05B2270/20Purpose of the control system to optimise the performance of a machine
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00Control
    • F05B2270/30Control parameters, e.g. input parameters
    • F05B2270/328Blade pitch angle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00Control
    • F05B2270/30Control parameters, e.g. input parameters
    • F05B2270/334Vibration measurements
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind 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 discloses the thrust abatement control algolithm of a kind of wind power generating set, first, the cabin acceleration of wind power generating set is measured in real time by sensor, then the cabin acceleration obtained according to measurement obtains corresponding minimum propeller pitch angle by look-up table, then this minimum pitch angle value is input to the pitch control device of wind power generating set, the minimum pitch angle value set with pitch control device is made comparisons, take the new minimum propeller pitch angle limit value that wherein maximum is controller, namely by the way of change controller minimum propeller pitch angle limit value in real time, change thrust suffered by unit, thus realize wind power generating set load-optimised control based on cabin acceleration.The control algolithm of the present invention can effectively reduce the wind wheel thrust of unit, thus reduces blade, wheel hub and pylon load, the comprehensive performance improving blower fan, and therefore, the control algolithm of the present invention is widely used prospect.

Description

A kind of thrust abatement control algolithm of wind power generating set
Technical field
The present invention relates to the technical field of Load Control in Wind Turbine, refer in particular to pushing away of a kind of wind power generating set Power abatement control algolithm.
Background technology
Along with development and the demand in market of wind generating technology, wind-driven generator pool-size is increasing, and blade is more The longest, and blower fan often operates in the most severe external environment condition, it is increasing that this results in rack load, to machine Running of group constitutes the biggest potential safety hazard, is negatively affected to the economic benefit of owner.
For rack load problems of too, occur in that a lot of solution at present, wherein common are following two scheme:
One, strengthen unit parts and improve unit safety performance;
Two, Optimal Control Strategy optimization, carries out unit load shedding control.
Improve unit safety performance by strengthening unit parts, i.e. increase the size of unit parts or use performance instead more Good material, this will certainly increase unit weight and cost, thus cause the increase of wind power generating set degree electricity cost, reduces Competitiveness.So scheme two is current this field common method and study hotspot.The load shedding control strategy used at present has Fine Pitch schedule, Dynamic Fine pitch schedule, Dynamic thrust limiting etc., respectively with machine Group air gap power, propeller pitch angle and generator speed acceleration are as the input quantity of controller, and it is right to be calculated by lookup table mode The minimum propeller pitch angle setting value answered, i.e. reduces the thrust of Wind turbines, thus reduces column foot, leaf by increasing minimum propeller pitch angle Extreme and the fatigue load of sheet root.
In the conventional operation region of wind energy conversion system, in the case of tip speed ratio is certain, thrust coefficient Ct can be along with blade The increase of pitch angle beta and be gradually reduced, above method is all based on this principle, is reduced by regulation propeller pitch angle setting value size The mode of thrust suffered by unit, thus reduce rack load, but the weak point of yet suffering from, wherein Fine pitch There is the problem that loss generated energy is bigger in schedule strategy, Dynamic Fine pitch schedule strategy is only specified More than wind speed working, Dynamic thrust limiting strategy is just for some limiting condition.
Summary of the invention
It is an object of the invention to the shortcoming overcoming prior art with not enough, it is provided that the thrust of a kind of wind power generating set disappears Down control algorithm, can reduce wind wheel thrust by this algorithm, it is achieved the optimal control of load, reduces fan design cost.
For achieving the above object, technical scheme provided by the present invention is: the thrust abatement control of a kind of wind power generating set Algorithm processed, first, measures the cabin acceleration of wind power generating set, the cabin then obtained according to measurement in real time by sensor Acceleration obtains corresponding minimum propeller pitch angle by look-up table, then this minimum pitch angle value is input to wind power generating set Pitch control device, the minimum pitch angle value set with pitch control device makes comparisons, take wherein maximum be controller new Little propeller pitch angle limit value, namely changes by the way of change controller minimum propeller pitch angle limit value in real time and pushes away suffered by unit Power, thus realize wind power generating set load-optimised control based on cabin acceleration;It comprises the following steps:
1) cabin acceleration is measured
Being provided with acceleration transducer on the cabin support of wind power generating set, this acceleration transducer utilizes himself Mechanical vibration amount is converted into electricity by operation principle, then measures electricity, changes so that it is become acceleration signal output To generator set controller;
2) computation of table lookup minimum propeller pitch angle
According to the service data of wind power generating set, set up cabin acceleration minimum propeller pitch angle inquiry table;Then basis The cabin acceleration signal measured, is calculated corresponding minimum propeller pitch angle by the inquiry table set;Finally will table look-up To minimum propeller pitch angle be input to pitch control device;
3) pitch control device obtains minimum propeller pitch angle limit value
Pitch control device is by the minimum pitch angle value of minimum propeller pitch angle based on cabin acceleration Yu controller original start Make comparisons, take wherein maximum and export to becoming oar executor, namely as the minimum propeller pitch angle limit value that pitch control device is new Thrust suffered by unit is changed by the way of change controller minimum propeller pitch angle limit value in real time;
4) become oar executor and regulate blade pitch angle
The oar executor that becomes of wind power generating set instructs regulation blade pitch angle according to the change oar that pitch control device sends, from And realize wind power generating set load-optimised control based on cabin acceleration.
The present invention compared with prior art, has the advantage that and beneficial effect:
1, by the simulated effect in 1.5MW wind power generating set, the air-blower control that inventive algorithm is more conventional Calculation method can reduce 5%-12% in fatigue load, can reduce 4%-10% in ultimate load.
2, at the normal power generation operation interval of wind power generating set, as long as cabin acceleration exceedes limit value, the present invention calculates Method will work, and optimizes blower fan load, the thrust load shedding control algolithm width that working range is more traditional.
3, inventive algorithm is without increasing unit equipment, only need to increase corresponding functional module in control algolithm, with regard to energy Realize load shedding control, thus cost-effective, improve unit competitiveness.
4, inventive algorithm has the strongest theoretical foundation, it is easy to accepted by person skilled, changes subsequent control optimization Enter and lay the foundation with plant maintenance.
Accompanying drawing explanation
Fig. 1 is the control principle drawing of control algolithm of the present invention.
Fig. 2 is the FB(flow block) of control algolithm of the present invention.
Fig. 3 is the resultant bending moment simulated effect comparison diagram under a certain limiting condition rotary hub coordinate system.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
As it is shown in figure 1, the thrust abatement control algolithm of the wind power generating set described in the present embodiment, mainly for current wind The problem that power generator group load is excessive, on the basis of conventional control strategy, adds and adds based on wind generating set engine room The module of the load shedding control strategy of speed, specifically: first, the cabin being measured wind power generating set by sensor in real time is accelerated Degree, then obtains corresponding minimum propeller pitch angle by look-up table, then by this minimum oar according to the cabin acceleration that measurement obtains Elongation value is input to the pitch control device of wind power generating set, and the minimum pitch angle value set with pitch control device is made comparisons, and takes Wherein maximum is the new minimum propeller pitch angle limit value of controller, is namely limited by change controller minimum propeller pitch angle in real time The mode of definite value changes thrust suffered by unit, thus realizes wind power generating set load-optimised control based on cabin acceleration System.
As in figure 2 it is shown, the thrust abatement control algolithm that the present embodiment is above-mentioned, specifically include following steps:
1) cabin acceleration is measured
Being provided with acceleration transducer on the cabin support of wind power generating set, this acceleration transducer utilizes himself Mechanical vibration amount is converted into electricity by operation principle (such as piezoelectric effect, magnetoelectric induction etc.), then measures electricity, turns Change so that it is become acceleration signal and export to generator set controller.
2) computation of table lookup minimum propeller pitch angle
According to the service data of wind power generating set, set up cabin acceleration minimum propeller pitch angle inquiry table;Then basis The cabin acceleration signal measured, is calculated corresponding minimum propeller pitch angle by the inquiry table set;Finally will table look-up To minimum propeller pitch angle be input to pitch control device.
3) pitch control device obtains minimum propeller pitch angle limit value
Pitch control device is by the minimum pitch angle value of minimum propeller pitch angle based on cabin acceleration Yu controller original start Make comparisons, take wherein maximum and export to becoming oar executor, namely as the minimum propeller pitch angle limit value that pitch control device is new Thrust suffered by unit is changed by the way of change controller minimum propeller pitch angle limit value in real time.
4) become oar executor and regulate blade pitch angle
The oar executor that becomes of wind power generating set instructs regulation blade pitch angle according to the change oar that pitch control device sends, from And realize wind power generating set load-optimised control based on cabin acceleration.
The control algolithm of the present invention is feedback control based on wind turbine cabin acceleration, compared to traditional thrust fall Carry control strategy, have load shedding effect substantially, generated energy loss is little, working range width, reliability high, low cost and other advantages, tool Body is as follows:
One, by simulated effect in 1.5MW wind power generating set, the wind that the control algolithm of the present invention is more conventional Machine controls calculation method can reduce 5%-12% in fatigue load, and can reduce 4%-10%, Fig. 3 in ultimate load is a certain pole Resultant bending moment simulated effect comparison diagram under limit operating mode rotary hub coordinate system.
Two, at the normal power generation operation interval of wind power generating set, as long as cabin acceleration exceedes limit value, the present invention's Control algolithm will work, and optimizes blower fan load, the thrust load shedding control algolithm width that working range is more traditional.
Three, the control algolithm of the present invention is without increasing unit equipment, only need to increase corresponding function mould in control algolithm Block, can be achieved with load shedding control, thus cost-effective, improves unit competitiveness.
Four, the control algolithm of the present invention has the strongest theoretical foundation, it is easy to accepted by person skilled, to subsequent control Optimal improvements and plant maintenance lay the foundation.
In sum, the control algolithm of the present invention can effectively reduce the wind wheel thrust of unit, thus reduces blade, wheel hub With pylon load, the comprehensive performance improving blower fan, therefore, the control algolithm of the present invention is widely used prospect, value Must promote.
The examples of implementation of the above are only the preferred embodiments of the invention, not limit the enforcement model of the present invention with this Enclose, therefore the change that all shapes according to the present invention, principle are made, all should contain within the scope of the present invention.

Claims (1)

1. the thrust abatement control algolithm of a wind power generating set, it is characterised in that: first, measured wind in real time by sensor The cabin acceleration of power generator group, then obtains corresponding minimum oar according to the cabin acceleration that measurement obtains by look-up table Elongation, is then input to this minimum pitch angle value the pitch control device of wind power generating set, sets with pitch control device Little pitch angle value is made comparisons, and takes the new minimum propeller pitch angle limit value that wherein maximum is controller, namely by the most more Change the mode of controller minimum propeller pitch angle limit value to change thrust suffered by unit, thus realize wind power generating set based on cabin The load-optimised control of acceleration;It comprises the following steps:
1) cabin acceleration is measured
Being provided with acceleration transducer on the cabin support of wind power generating set, this acceleration transducer utilizes the work of himself Mechanical vibration amount is converted into electricity by principle, then measures electricity, changes so that it is becomes acceleration signal and exports to machine Group controller;
2) computation of table lookup minimum propeller pitch angle
According to the service data of wind power generating set, set up cabin acceleration minimum propeller pitch angle inquiry table;Then according to measurement Cabin acceleration signal, be calculated corresponding minimum propeller pitch angle by the inquiry table set;Finally obtain tabling look-up Minimum propeller pitch angle is input to pitch control device;
3) pitch control device obtains minimum propeller pitch angle limit value
The minimum pitch angle value of minimum propeller pitch angle based on cabin acceleration with controller original start is made to compare by pitch control device Relatively, take wherein maximum and export to becoming oar executor as the minimum propeller pitch angle limit value that pitch control device is new, namely pass through The mode of change controller minimum propeller pitch angle limit value changes thrust suffered by unit in real time;
4) become oar executor and regulate blade pitch angle
The oar executor that becomes of wind power generating set instructs regulation blade pitch angle according to the change oar that pitch control device sends, thus real Existing wind power generating set load-optimised control based on cabin acceleration.
CN201610557116.4A 2016-07-13 2016-07-13 A kind of thrust abatement control algolithm of wind power generating set Pending CN106194580A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019234035A1 (en) 2018-06-08 2019-12-12 Wobben Properties Gmbh Method for controlling a wind turbine, wind turbine, and wind park
CN111396249A (en) * 2020-03-31 2020-07-10 新疆金风科技股份有限公司 Method and device for reducing tower load under gust wind condition
CN112628070A (en) * 2020-12-18 2021-04-09 明阳智慧能源集团股份公司 Method and module for controlling pitching resistance increasing of floating platform of offshore floating type wind turbine generator
CN113007013A (en) * 2019-12-20 2021-06-22 新疆金风科技股份有限公司 Torsion load control method, device and system and wind generating set
CN113982863A (en) * 2021-11-19 2022-01-28 中车株洲电力机车研究所有限公司 Method and system for monitoring unit turbulence and load based on cabin acceleration

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1906409A (en) * 2004-02-27 2007-01-31 三菱重工业株式会社 Wind turbine generator, active vibration damping method for the same, and wind turbine tower
US20100092288A1 (en) * 2006-11-27 2010-04-15 Lm Glasfiber A/S Pitch of Blades on a Wind Power Plant
CN103321854A (en) * 2013-05-29 2013-09-25 国家电网公司 Vibration control method for wind generator set tower
CN103629047A (en) * 2013-11-05 2014-03-12 清华大学 Nonlinearity pitch angle control method capable of reducing wind turbine generator loads
CN104081043A (en) * 2012-01-27 2014-10-01 通用电气公司 Wind turbine and method for determining parameters of wind turbine
CN104533717A (en) * 2014-12-12 2015-04-22 中船重工(重庆)海装风电设备有限公司 Method and system for suppressing tower vibration
CN105179168A (en) * 2015-10-10 2015-12-23 浙江运达风电股份有限公司 Virtual damping control method for tower of large wind turbine unit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1906409A (en) * 2004-02-27 2007-01-31 三菱重工业株式会社 Wind turbine generator, active vibration damping method for the same, and wind turbine tower
US20100092288A1 (en) * 2006-11-27 2010-04-15 Lm Glasfiber A/S Pitch of Blades on a Wind Power Plant
CN104081043A (en) * 2012-01-27 2014-10-01 通用电气公司 Wind turbine and method for determining parameters of wind turbine
CN103321854A (en) * 2013-05-29 2013-09-25 国家电网公司 Vibration control method for wind generator set tower
CN103629047A (en) * 2013-11-05 2014-03-12 清华大学 Nonlinearity pitch angle control method capable of reducing wind turbine generator loads
CN104533717A (en) * 2014-12-12 2015-04-22 中船重工(重庆)海装风电设备有限公司 Method and system for suppressing tower vibration
CN105179168A (en) * 2015-10-10 2015-12-23 浙江运达风电股份有限公司 Virtual damping control method for tower of large wind turbine unit

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019234035A1 (en) 2018-06-08 2019-12-12 Wobben Properties Gmbh Method for controlling a wind turbine, wind turbine, and wind park
DE102018113705A1 (en) * 2018-06-08 2019-12-12 Wobben Properties Gmbh Method for controlling a wind turbine, wind turbine and wind farm
CN112236595A (en) * 2018-06-08 2021-01-15 乌本产权有限公司 Method for controlling a wind energy installation, wind energy installation and wind park
US11598310B2 (en) 2018-06-08 2023-03-07 Wobben Properties Gmbh Method for controlling a wind turbine, wind turbine, and wind park
CN113007013A (en) * 2019-12-20 2021-06-22 新疆金风科技股份有限公司 Torsion load control method, device and system and wind generating set
CN111396249A (en) * 2020-03-31 2020-07-10 新疆金风科技股份有限公司 Method and device for reducing tower load under gust wind condition
CN111396249B (en) * 2020-03-31 2022-08-30 新疆金风科技股份有限公司 Method and device for reducing tower load under gust wind condition
CN112628070A (en) * 2020-12-18 2021-04-09 明阳智慧能源集团股份公司 Method and module for controlling pitching resistance increasing of floating platform of offshore floating type wind turbine generator
CN112628070B (en) * 2020-12-18 2021-12-28 明阳智慧能源集团股份公司 Method and module for controlling pitching resistance increasing of floating platform of offshore floating type wind turbine generator
CN113982863A (en) * 2021-11-19 2022-01-28 中车株洲电力机车研究所有限公司 Method and system for monitoring unit turbulence and load based on cabin acceleration

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Address after: 528437 Guangdong torch hi tech Industrial Development Zone, Torch Road, No. 22, Ming Yang Industrial Park, Zhongshan

Applicant after: Ming Yang wisdom Energy Group AG

Address before: 528437 Guangdong torch hi tech Industrial Development Zone, Torch Road, No. 22, Ming Yang Industrial Park, Zhongshan

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Application publication date: 20161207