DK1612413T3 - Fremgangsmåder og apparater til reduktion af asymmetriske rotorbelastninger i vindmøller - Google Patents

Fremgangsmåder og apparater til reduktion af asymmetriske rotorbelastninger i vindmøller Download PDF

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Publication number
DK1612413T3
DK1612413T3 DK05252587T DK05252587T DK1612413T3 DK 1612413 T3 DK1612413 T3 DK 1612413T3 DK 05252587 T DK05252587 T DK 05252587T DK 05252587 T DK05252587 T DK 05252587T DK 1612413 T3 DK1612413 T3 DK 1612413T3
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DK
Denmark
Prior art keywords
pitch
rotor
wind turbine
asymmetric
reduce
Prior art date
Application number
DK05252587T
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English (en)
Inventor
Emilian Mieczyslaw Moroz
Kirk Gee Pierce
Original Assignee
Gen Electric
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Publication of DK1612413T3 publication Critical patent/DK1612413T3/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
    • F03D7/04—Automatic control; Regulation
    • F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
    • 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
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/30—Commissioning, e.g. inspection, testing or final adjustment before releasing for production
    • F03D13/35—Balancing static or dynamic imbalances
    • 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
    • F03D7/0204—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor for orientation in relation to wind direction
    • 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
    • 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
    • F03D7/024—Adjusting aerodynamic properties of the blades of individual blades
    • 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
    • F03D7/028—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling wind motor output power
    • F03D7/0292—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling wind motor output power to reduce fatigue
    • 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
    • F05B2270/109—Purpose of the control system to prolong engine life
    • 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
    • F05B2270/331—Mechanical loads
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Wind Motors (AREA)

Claims (8)

1. Fremgangsmåde til reducering af belastning i en vindmølle (100), hvilken fremgangsmåden er kendetegnet ved: måling af forskydninger eller momenter resulterende fra asymmetriske belastninger på vindmøllen ved at måle forskydning af en hovedakselflange (132); anvendelse af de målte forskydninger eller momenter til at bestemme en pitch for hvert rotorblad (108) for at reducere eller modvirke asymmetrisk rotorbelastning og en sekundær styringssløjfe til at bestemme en foretrukken krøjningsorientering for at reducere pitchaktivitet og for at justere krøjningsopretning af vindmøllen i overensstemmelse med den foretrukne krøjningsorientering; og justering af pitchen af hvert rotorblad (108) i overensstemmelse med den bestemte pitch for at reducere eller modvirke asymmetrisk rotorbelastning.
2. Fremgangsmåde ifølge krav 1, hvor at bestemme en pitch for hvert rotorblad (108) for at reducere eller modvirke asymmetrisk rotorbelastning endvidere omfatter at bruge en koordinattransformation for at bestemme en pitchstigning for hvert rotorblad (108).
3. Fremgangsmåde ifølge krav 1, hvor at bestemme en pitch for hvert rotorblad (106) for at reducere eller modvirke asymmetrisk rotorbelastning endvidere omfatter at bruge et hældningsestimat til at bestemme en pitchstigning for hvert rotorblad.
4. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, hvilken fremgangsmåde endvidere omfatter: at bruge mindst tre sensorer (134) til at måle forskydningerne af hovedakselflangen (132) af vindmøllen resulterende fra asymmetriske belastninger på vindmøllen.
5. Vindmølle (100) omfattende en rotor (106) som har en flerhed af rotorblade (108) og et nav (110), hvilken vindmølle også omfatter et styringssystem (300) og en flerhed af sensorer (132) konfigureret til at måle forskydninger eller momenter resulterende fra asymmetriske belastninger på vindmøllen, kendetegnet ved at styringssystemet (300) er konfigureret til: at anvende de målte forskydninger eller momenter resulterende fra asymmetriske belastninger på vindmøllen (100) målt som forskydning afen 5 hovedakselflange (132) for at bestemme en pitch for hvert rotorblad (108) for at reducere eller modvirke asymmetrisk rotorbelastning og en sekundær styringssløjfe til at bestemme en foretrukken krøjningsorientering for at reducere pitchaktivitet og for at justere krøjningsopretning af vindmøllen i overensstemmelse med den foretrukne ) krøjningsorientering; og at justere pitchen af hvert af rotorbladene (108) i overensstemmelse med den bestemte pitch for at reducere eller modvirke asymmetrisk rotorbelastning.
6.
Vindmølle (100) ifølge krav 5, hvor at bestemme en pitch for hvert rotorblad (108) for at reducere eller modvirke asymmetrisk rotorbelastning, styresystemet (300) er endvidere konfigureret til at bruge en koordinattransformation for at bestemme en pitchstigning for hvert rotorblad (108).
) 7. Vindmølle (100) ifølge krav 5, hvor at bestemme en pitch for hvert rotorblad (108) for at reducere eller modvirke asymmetrisk rotorbelastning, styresystemet (300) er endvidere konfigureret til at bruge et hældningsestimat til at bestemme en pitchstigning for hvert rotorblad (108).
DK05252587T 2004-06-30 2005-04-26 Fremgangsmåder og apparater til reduktion af asymmetriske rotorbelastninger i vindmøller DK1612413T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/881,244 US7118339B2 (en) 2004-06-30 2004-06-30 Methods and apparatus for reduction of asymmetric rotor loads in wind turbines

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DK1612413T3 true DK1612413T3 (da) 2015-04-27

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US (1) US7118339B2 (da)
EP (1) EP1612413B1 (da)
DK (1) DK1612413T3 (da)
ES (1) ES2534990T3 (da)

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Publication number Publication date
US20060002792A1 (en) 2006-01-05
EP1612413B1 (en) 2015-03-18
US7118339B2 (en) 2006-10-10
EP1612413A3 (en) 2012-03-14
ES2534990T3 (es) 2015-05-04
EP1612413A2 (en) 2006-01-04

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