DK2906825T3 - Fremgangsmåde til indstilling af en pitchvinkel af rotorblade - Google Patents

Fremgangsmåde til indstilling af en pitchvinkel af rotorblade Download PDF

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Publication number
DK2906825T3
DK2906825T3 DK13776964.2T DK13776964T DK2906825T3 DK 2906825 T3 DK2906825 T3 DK 2906825T3 DK 13776964 T DK13776964 T DK 13776964T DK 2906825 T3 DK2906825 T3 DK 2906825T3
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DK
Denmark
Prior art keywords
rotor blade
pitch angle
image
rotor blades
rotor
Prior art date
Application number
DK13776964.2T
Other languages
English (en)
Inventor
Otto Lutz
Peter Meinlschmidt
Friedrich Schlüter
Gerd Gülker
Alexander Miller
Dominik Fröhler
Dominik Traphan
Original Assignee
Fraunhofer Ges Forschung
Otto Lutz
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fraunhofer Ges Forschung, Otto Lutz filed Critical Fraunhofer Ges Forschung
Application granted granted Critical
Publication of DK2906825T3 publication Critical patent/DK2906825T3/da

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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 
    • 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
    • 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
    • F03D17/00—Monitoring or testing of wind motors, e.g. 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
    • F05B2260/00—Function
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/74—Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
    • 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
    • F05B2270/10—Purpose of the control system
    • F05B2270/20—Purpose of the control system to optimise the performance of a machine
    • 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
    • F05B2270/303—Temperature
    • 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)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Wind Motors (AREA)
  • Radiation Pyrometers (AREA)
  • Supercharger (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Claims (10)

1. Fremgangsmåde til indstilling af en pitchvinkel af rotorblade (1), hvor - der udarbejdes et termografibillede ved rotorblade (1), udsat for tilstrømning, - et mønster, der viser sig, evalueres i termografibilledet, - der på grundlag af evalueringen gennemføres en justering af pitchvinklen, til øvergangen fra laminar strømning til turbulent strømning ligger ved det tilsigtede sted på roterbladsoverfladen.
2. Fremgangsmåde ifølge krav 1, kendetegnet ved, at pitchvinklen justeres på en sådan måde, at der foreligger en ensartet temperaturfordeling over rotorbladsoverfladen (10).
3. Fremgangsmåde ifølge krav 1 eller 2, kendetegnet ved, at til udarbejdelse af ter-møgrafibilledet registreres den termiske stråling i tø førskellige bølgelængdeømråder.
4. Fremgangsmåde ifølge krav 3, kendetegnet ved, at registreringen af den termiske stråling sker i et bølgelængdeømråde mellem 3 pm øg 5 pm øg mellem 8 pm øg 14 pm.
5. Fremgangsmåde ifølge et af kravene 3 eller 4, kendetegnet ved, at billederne af de førskellige bølgelængdeømråder øverlejres hinanden før at udarbejde termøgrafibille-det.
6. Fremgangsmåde ifølge et af de føregående krav, kendetegnet ved, at der til udarbejdelse af termøgrafibilledet anvendes i det mindste et interferensfilter.
7. Fremgangsmåde ifølge et af de føregående krav, kendetegnet ved, at termøgrafi-billeder af røtørbladene (1) udarbejdes under driften af et vindenergianlæg.
8. Fremgangsmåde ifølge et af de føregående krav, kendetegnet ved, at pitchvinklen justeres, indtil der ved førkanten øg ved øverfladen (10) førefindes en ensartet temperaturfordeling over rotorbladets (1) længdeudstrækning (L).
9. Fremgangsmåde ifølge et af de foregående krav, kendetegnet ved, at termografibilledet anvendes til at beregne en overfladekvalitet af rotorbladsoverfladen (10).
10. Fremgangsmåde ifølge et af de foregående krav, kendetegnet ved, at termografibilledet anvendes til at bedømme en tilstand ved elementer, der forefindes på rotorbladet (1), og som tjener til strømningsoptimering.
DK13776964.2T 2012-10-12 2013-10-10 Fremgangsmåde til indstilling af en pitchvinkel af rotorblade DK2906825T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012020054.4A DE102012020054A1 (de) 2012-10-12 2012-10-12 Verfahren zum Einstellen eines Pitch-Winkels von Rotorblättern
PCT/EP2013/003043 WO2014056613A1 (de) 2012-10-12 2013-10-10 Verfahren zum einstellen eines pitch-winkels von rotorblättern

Publications (1)

Publication Number Publication Date
DK2906825T3 true DK2906825T3 (da) 2016-10-03

Family

ID=49378226

Family Applications (1)

Application Number Title Priority Date Filing Date
DK13776964.2T DK2906825T3 (da) 2012-10-12 2013-10-10 Fremgangsmåde til indstilling af en pitchvinkel af rotorblade

Country Status (7)

Country Link
EP (1) EP2906825B1 (da)
DE (1) DE102012020054A1 (da)
DK (1) DK2906825T3 (da)
ES (1) ES2595049T3 (da)
PL (1) PL2906825T3 (da)
PT (1) PT2906825T (da)
WO (1) WO2014056613A1 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105092221B (zh) * 2014-05-20 2018-09-11 格力电器（中山）小家电制造有限公司 测试工装
DE102019109908A1 (de) * 2019-04-15 2020-10-15 Wobben Properties Gmbh Verfahren zum Bestimmen von Betriebsdaten einer Windenergieanlage sowie Vorrichtung und System dafür
MA71422A (fr) * 2021-09-28 2025-04-30 Lm Wind Power A/S Système et procédé d'estimation de production d'énergie à partir d'une éolienne

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20021970U1 (de) 2000-12-30 2001-04-05 Igus Ingenieurgemeinschaft Umweltschutz Meß-und Verfahrenstechnik GmbH, 01099 Dresden Einrichtung zur Überwachung des Zustandes von Rotorblättern an Windkraftanlagen
DE102007059165B4 (de) 2007-11-26 2010-11-11 Windcomp Gmbh Verfahren und System zur Messung einer Auslenkung eines Hohlbauteils einer Windenergieanlage aus einer Normalposition
DE102007059502B3 (de) * 2007-12-07 2009-03-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Prüfen eines Rotorblatts einer Windkraftanlage und Prüfvorrichtung
WO2009143850A2 (en) * 2008-05-30 2009-12-03 Vestas Wind Systems A/S A wind turbine rotor, a wind turbine and use thereof
DE102008037096A1 (de) 2008-08-08 2010-02-11 Windsens Gmbh Temperaturerfassung an einer Windenergieanlage
DE102010048400A1 (de) 2010-03-15 2011-09-15 Horst Zell Verfahren zur Überprüfung des baulichen Zustands von Windkraftanlagen
DE102010046493B3 (de) * 2010-09-24 2012-03-08 Thermosensorik Gmbh Verfahren und Vorrichtung zur Inspektion von Rotorblättern einer Windkraftanlage
CN102434403B (zh) 2010-09-29 2015-09-09 通用电气公司 用于风力涡轮机检查的系统及方法
WO2012066107A2 (de) 2010-11-17 2012-05-24 Suzlon Energy Gmbh Verfahren zum bestimmen von betriebszuständen einer windturbine
DE102011011392B4 (de) 2011-02-17 2012-10-25 Ssb Wind Systems Gmbh & Co. Kg Optische Messeinrichtung für die Verformung eines Rotorblattes einer Windkraftanlage

Also Published As

Publication number Publication date
WO2014056613A1 (de) 2014-04-17
DE102012020054A1 (de) 2014-04-17
PL2906825T3 (pl) 2017-01-31
EP2906825A1 (de) 2015-08-19
WO2014056613A8 (de) 2014-07-17
PT2906825T (pt) 2016-09-23
ES2595049T3 (es) 2016-12-27
EP2906825B1 (de) 2016-07-06

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