DK2940294T3 - System og fremgangsmåder til at reducere vindmøllestøj - Google Patents

System og fremgangsmåder til at reducere vindmøllestøj Download PDF

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Publication number
DK2940294T3
DK2940294T3 DK15164370.7T DK15164370T DK2940294T3 DK 2940294 T3 DK2940294 T3 DK 2940294T3 DK 15164370 T DK15164370 T DK 15164370T DK 2940294 T3 DK2940294 T3 DK 2940294T3
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DK
Denmark
Prior art keywords
trailing edge
temperature
wind turbine
heating element
surface temperature
Prior art date
Application number
DK15164370.7T
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English (en)
Inventor
Lorenz Edwin Drack
Benoit Philippe Petitjean
Benignos Jorge Alejandro Carretero
Akil Abbas Rangwalla
Pratish Patil
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Gen Electric
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Publication of DK2940294T3 publication Critical patent/DK2940294T3/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
    • F03D7/0296—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor to prevent, counteract or reduce noise emissions
    • 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
    • F05B2260/96—Preventing, counteracting or reducing vibration or noise
    • 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

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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)

Claims (10)

1. Fremgangsmåde (200) til at reducere støj genereret afen vindmølle (10), hvilken fremgangsmåde (200) omfatter: at måle (202) en referencetemperatur (Tref) af vindmøllen (10), hvor vindmøllen (10) har en rotorvinge (24); kendetegnet ved at regulere (204) en bagkants (92) -overfladetemperatur (Tte) afen bagkantsdel (96) af rotorvingen (24); at måle (206) bagkants (92) -overfladetemperaturen; og at regulere (208) bagkants (92) -overfladetemperaturen til at bevare en forudbestemt temperaturforskel (Tditf) mellem referencetemperaturen (T re t) og bagkantsoverfladetemperaturen (Tte).
2. Fremgangsmåden (200) ifølge krav 1, hvor at måle (202) referencetemperaturen (Tret) omfatter at sende et referencetemperatursignal fra mindst en temperatursensor (32) koblet til vindmøllen (10) til en kontroller (30).
3. Fremgangsmåden (200) ifølge et hvilket som helst af de foregående krav, hvor at måle (204) bagkants (92) -overfladetemperaturen (Tte) omfatter at sende et bagkantsoverfladetemperatursignal fra mindst en temperatursensor (32) koblet til bagkantsdelen (96) af rotorvingen (24) til en kontroller (30).
4. Fremgangsmåden (200) ifølge et hvilket som helst af de foregående krav, hvor at regulere (204) bagkants (92) -overfladetemperaturen (Tte) omfatter at aktuere en strømforsyning (36) til at forsyne strøm til et varmeelement (100) koblet til bagkantsdelen (96) af rotorvingen (24).
5. Fremgangsmåden (200) ifølge krav 4, hvor at regulere (204) bagkants (92) -overfladetemperaturen (Tte) til at bevare en forudbestemt temperaturforskel (Tditf) omfatter: at beregne en temperaturforskelsværdi mellem referencetemperaturen (Tref) og bagkants (92) -overfladetemperaturen (Tte) under anvendelse af en kontroller (30); og at regulere forsyningen af strøm fra strømforsyningen (36) til varmeelementet (100) under anvendelse af kontrolleren (30).
6. Fremgangsmåden (200) ifølge et hvilket som helst af de foregående krav, hvor at måle (204) bagkants (92) -overfladetemperaturen (Tte) omfatter at sende til kontrolleren (30) et bagkantsoverfladetemperatursignal fra mindst en temperatursensor (32) koblet til varmeelementet (100).
7. Fremgangsmåden (200) ifølge et hvilket som helst af de foregående krav, hvor at regulere (208) forsyningen af strøm fra strømforsyningen (36) til varmeelementet (100) omfatter at bevare den forudbestemte temperaturforskel (Tdiff) mellem referencetemperaturen (Tref) og bagkantsoverfladetemperaturen (Tte) i et område mellem cirka 5 °C og cirka 40 °C.
8. Vindmølle (10) -system omfattende: en rotor (18) omfattende et nav (22) og mindst en rotorvinge (24) koblet til navet (22), hvor den mindst ene rotorvinge (24) omfatter: et legeme (80) omfattende en tryksideflade (86), en sugningssideflade (88), en forkant (90), og en bagkant (92), hvilket legeme (80) yderligere omfatter en bagkantsdel (96) defineret tilstødende bagkanten (92); og kendetegnet ved et varmeelement (100) koblet til bagkantsdelen (96); en første temperatursensor (34) konfigureret til at måle en første overfladetemperatur (Tref) af den mindst ene rotorvinge (24) i nærheden af forkanten (90); en anden temperatursensor (32) konfigureret til at måle en anden overfladetemperatur (Tte) af den mindst ene rotorvinge (24) i nærheden af bagkantsdelen (96); en strømforsyning (36) elektrisk koblet til varmeelementet (100); og et styresystem (30) koblet til den første temperatursensor (34) og den anden temperatursensor (32), hvilket styresystem (30) er konfigureret til at drive varmeelementet (100) ved at modtage et første målt overfladetemperatursignal fra den første temperatursensor (34), at modtage et andet målt overfladetemperatursignal fra den anden temperatursensor (32), og at aktuere strømforsyningen (36) til at opnå en forudbestemt temperaturforskel (Tdiff) mellem den første overfladetemperatur (Tref) og den anden overfladetemperatur (Tte).
9. Vindmølle (10) -system ifølge krav 8, hvor legemet (80) yderligere omfatter en rod (82) og en spids (84) lokaliseret en spændviddemæssig afstand fra roden (82), hvor varmeelementet (100) strækker sig fra spidsen (84) mod roden (82) en spændviddemæssig afstand, der inkluderer et område mellem cirka 20% og cirka 100% af en spændvidde af legemet (80).
10. Vindmølle (10) -system ifølge krav 8 eller krav 9, hvor varmeelementet (100) strækker sig fra bagkanten (92) mod forkanten (90) en kordevis afstand, der inkluderer et område mellem cirka 2,5% og cirka 50% afen kordelængde af legemet (80).
DK15164370.7T 2014-04-30 2015-04-21 System og fremgangsmåder til at reducere vindmøllestøj DK2940294T3 (da)

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US14/266,108 US9593670B2 (en) 2014-04-30 2014-04-30 System and methods for reducing wind turbine noise

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EP (1) EP2940294B1 (da)
CA (1) CA2888726C (da)
DK (1) DK2940294T3 (da)

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Publication number Publication date
EP2940294B1 (en) 2017-02-15
CA2888726C (en) 2022-05-17
EP2940294A1 (en) 2015-11-04
CA2888726A1 (en) 2015-10-30
US20150316032A1 (en) 2015-11-05
US9593670B2 (en) 2017-03-14

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