DK2857677T3 - Justering af en rotorvinge-pitchvinkel - Google Patents
Justering af en rotorvinge-pitchvinkel Download PDFInfo
- Publication number
- DK2857677T3 DK2857677T3 DK13186933.1T DK13186933T DK2857677T3 DK 2857677 T3 DK2857677 T3 DK 2857677T3 DK 13186933 T DK13186933 T DK 13186933T DK 2857677 T3 DK2857677 T3 DK 2857677T3
- Authority
- DK
- Denmark
- Prior art keywords
- angle
- rotor blade
- rotor
- stall
- wind turbine
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 50
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 6
- 238000004590 computer program Methods 0.000 claims 2
- 238000005259 measurement Methods 0.000 description 20
- 238000013459 approach Methods 0.000 description 9
- 230000001419 dependent effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- 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
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/022—Adjusting aerodynamic properties of the blades
- F03D7/0224—Adjusting blade pitch
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- 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
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/04—Automatic control; Regulation
- F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
- F03D7/043—Automatic control; Regulation by means of an electrical or electronic controller characterised by the type of control logic
- F03D7/046—Automatic control; Regulation by means of an electrical or electronic controller characterised by the type of control logic with learning or adaptive control, e.g. self-tuning, fuzzy logic or neural network
-
- 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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/50—Maintenance or repair
- F03D80/55—Cleaning
-
- 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
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0256—Stall control
-
- 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
- F05B2260/00—Function
- F05B2260/80—Diagnostics
-
- 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
- F05B2270/328—Blade pitch angle
-
- 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
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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
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Evolutionary Computation (AREA)
- Artificial Intelligence (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Software Systems (AREA)
- Wind Motors (AREA)
Claims (15)
1. Fremgangsmåde (Z) til justering af en pitchvinkel (a) af en rotorvinge (3) af en rotor (9) af en vindmølle (1), omfattende følgende trin: aO) at reducere rotationshastigheden af rotoren (9) til under en hastighedsgrænse (SL); a) at ændre (X) pitchvinklen af rotorvingen (3) under vinddrift af vindmøllen (1) fra en startvinkel, til der nås en grænsevinkel omfattende en stall-vinkel (ai, 02), ved hvilken rotorvingen (3) begynder at stalle, b) at udlede en sikkerhedsvinkel (03, 04) afhængigt af grænsevinklen (cn, 02), c) at styre rotorvingen (3) ved sikkerhedsvinklen (03, 04) eller en vinkel, der er mindre end sikkerhedsvinklen (03, 04).
2. Fremgangsmåde (Z) ifølge krav 1, omfattende et trin med at ændre pitchvinklen af rotorvingen (3) under vinddrift af vindmøllen (1) fra en startvinkel, til der nås en grænsevinkel, ved hvilken en afgivet effekt (P) når en maksimal afgivet effekt (P1/2).
3. Fremgangsmåde ifølge krav 1 eller 2, hvor stall-vinklen (ai, 02) omfatter en vinkel, ved hvilken en reduktion af opdrift måles efter opnåelse afen maksimal opdriftsværdi.
4. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, hvor trin a) udføres under en foruddefineret maksimal hastighedsgrænse (SL) for en rotationshastighed af rotoren (9).
5. Fremgangsmåde ifølge et hvilket som helstaf de foregående krav, som gentages med givne tidsintervaller, fortrinsvis mindst to gange om dagen.
6. Fremgangsmåde ifølge et hvilket som helstaf de foregående krav, som gentages efter forekomst af en specifik driftstilstand for vindmøllen (1).
7. Fremgangsmåde ifølge krav 6, hvor den specifikke driftstilstand omfatter en stilstand og/eller forekomst af en specifik vejrsituation, især nedbør.
8. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, hvor en statusparameterværdi (SPV), som repræsentereren status for rotorvingen (3), udledes af stall-vinklen (cn, 02).
9. Fremgangsmåde ifølge krav 8, hvor statusparameterværdien (SPV) udledes, således at den omfatter en materialetilstandsparameterværdi, der repræsenterer en materialetilstandsstatus for rotorvingen (3), og/eller således at den omfatter en tilsmudsningsparameterværdi, der repræsenterer en tilsmudsningsstatus for rotorvingen (3).
10. Fremgangsmåde ifølge krav 9, hvor der, når statusparameterværdien (SPV) er over en vis foruddefineret tærskelværdi, genereres et alarmsignal (AS), hvilket alarmsignal (AS) fortrinsvis anvendes til at udløse en rengøringsproces (S), mest foretrukket en automatisk rengøringsproces, af rotorvingen (3).
11. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, hvor, i trin b), sikkerhedsvinklen (co, cu) udledes af stall-vinklen (cn, 02) ved at subtrahere en sikkerhedsmarginvinkel (Δα) fra stall-vinklen (cn, 02).
12. Fremgangsmåde ifølge krav 11, hvor sikkerhedsmarginvinklen (Δα) justeres afhængigt af en aldersværdi og/eller en statusparameterværdi (SPV) for rotorvingen (3).
13. Pitchvinkeljusteringssystem (33') for en rotorvinge (3) af en vindmølle (1), konfigureret til at udføre alle trin i en fremgangsmåde ifølge krav 1.
14. Computerprogramprodukt, som kan indlæses direkte i en processor af et programmerbart pitchvinkeljusteringssystem (33') omfattende programkodemidler til at udføre alle trin i en fremgangsmåde (Z) ifølge et hvilket som helst af kravene 1 til 12, når computerprogramproduktet eksekveres i pitchvinkelju-steringssystemet (33').
15. Vindmølle (1) med en rotor (9) omfattende et antal rotorvinger (3) og med et pitchvinkeljusteringssystem (33') ifølge krav 13.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13186933.1A EP2857677B1 (en) | 2013-10-01 | 2013-10-01 | Adjusting a rotor blade pitch angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK2857677T3 true DK2857677T3 (da) | 2018-07-02 |
Family
ID=49326528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK13186933.1T DK2857677T3 (da) | 2013-10-01 | 2013-10-01 | Justering af en rotorvinge-pitchvinkel |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10240580B2 (da) |
| EP (1) | EP2857677B1 (da) |
| CN (1) | CN104514685B (da) |
| DK (1) | DK2857677T3 (da) |
| ES (1) | ES2668506T3 (da) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK201570324A1 (en) * | 2015-05-27 | 2016-05-30 | Vestas Wind Sys As | Stall margin detector for a wind turbine |
| DE102016110190A1 (de) * | 2016-06-02 | 2017-12-07 | Wobben Properties Gmbh | Verfahren zum Steuern einer Windenergieanlage und Windenergieanlage |
| US10669988B2 (en) * | 2017-10-10 | 2020-06-02 | General Electric Company | System and method for operating wind turbines to avoid stall during derating |
| DE102018100727A1 (de) * | 2018-01-15 | 2019-07-18 | Wobben Properties Gmbh | Verfahren zum Steuern einer Windenergieanlage und Windenergieanlage |
| US11261845B2 (en) * | 2018-07-26 | 2022-03-01 | General Electric Company | System and method for protecting wind turbines during extreme wind direction change |
| CN113195887B (zh) * | 2018-10-18 | 2025-01-07 | 维斯塔斯风力系统集团公司 | 使用负载概率和设计负载极限修改用于控制风力涡轮机的控制策略 |
| US11261844B2 (en) * | 2019-02-28 | 2022-03-01 | General Electric Company | System and method for predicting wind turbine shutdowns due to excessive vibration |
| EP4008896A1 (en) * | 2020-12-03 | 2022-06-08 | Siemens Gamesa Renewable Energy A/S | Compensating gravity cycles of a pitching system |
| CN114607556B (zh) * | 2020-12-09 | 2024-09-24 | 金风科技股份有限公司 | 用于风力发电机组的控制方法及装置 |
| EP4442989A1 (en) | 2023-04-04 | 2024-10-09 | Nordex Energy SE & Co. KG | Method for operating a wind turbine and wind turbine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8277185B2 (en) * | 2007-12-28 | 2012-10-02 | General Electric Company | Wind turbine, wind turbine controller and method for controlling a wind turbine |
| EP2148088A1 (en) * | 2008-07-22 | 2010-01-27 | Siemens Aktiengesellschaft | Method and arrangement to adjust the pitch of wind turbine blades |
| EP2180183A1 (en) * | 2008-10-23 | 2010-04-28 | Siemens Aktiengesellschaft | Stall detection by use of pressure sensors |
| US7896614B2 (en) * | 2009-04-30 | 2011-03-01 | General Electric Company | Wind turbine blade with integrated stall sensor and associated method of detecting stall of a wind turbine blade |
| EP2559894A1 (en) * | 2011-08-18 | 2013-02-20 | Siemens Aktiengesellschaft | Method to adjust the pitch angle of blades of a wind turbine blade |
| GB201222540D0 (en) * | 2012-12-14 | 2013-01-30 | Lm Wp Patent Holding As | A system and method for wind turbine sensor calibration |
-
2013
- 2013-10-01 DK DK13186933.1T patent/DK2857677T3/da active
- 2013-10-01 ES ES13186933.1T patent/ES2668506T3/es active Active
- 2013-10-01 EP EP13186933.1A patent/EP2857677B1/en active Active
-
2014
- 2014-09-15 US US14/485,971 patent/US10240580B2/en active Active
- 2014-09-30 CN CN201410516261.9A patent/CN104514685B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104514685B (zh) | 2019-01-22 |
| EP2857677A1 (en) | 2015-04-08 |
| EP2857677B1 (en) | 2018-03-28 |
| ES2668506T3 (es) | 2018-05-18 |
| US20150093242A1 (en) | 2015-04-02 |
| CN104514685A (zh) | 2015-04-15 |
| US10240580B2 (en) | 2019-03-26 |
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