DK200201963A - Fremgangsmåde til drift af en vindmölle - Google Patents

Fremgangsmåde til drift af en vindmölle Download PDF

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Publication number
DK200201963A
DK200201963A DK200201963A DKPA200201963A DK200201963A DK 200201963 A DK200201963 A DK 200201963A DK 200201963 A DK200201963 A DK 200201963A DK PA200201963 A DKPA200201963 A DK PA200201963A DK 200201963 A DK200201963 A DK 200201963A
Authority
DK
Denmark
Prior art keywords
blades
operating
wind turbine
generator
ice
Prior art date
Application number
DK200201963A
Other languages
English (en)
Inventor
Grabau Peter
Original Assignee
Lm Glasfiber As
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 Lm Glasfiber As filed Critical Lm Glasfiber As
Priority to DK200201963A priority Critical patent/DK175912B1/da
Priority to EP03779741A priority patent/EP1573199B1/en
Priority to AU2003287901A priority patent/AU2003287901A1/en
Priority to PCT/DK2003/000883 priority patent/WO2004057182A1/en
Priority to US10/537,934 priority patent/US7182575B2/en
Priority to CA2508316A priority patent/CA2508316C/en
Priority to CNB2003801070586A priority patent/CN100347441C/zh
Publication of DK200201963A publication Critical patent/DK200201963A/da
Application granted granted Critical
Publication of DK175912B1 publication Critical patent/DK175912B1/da
Priority to NO20053543A priority patent/NO330604B1/no

Links

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
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/40—Ice detection; De-icing means
    • 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)
  • 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)

Description

PATENTKRAV 1. Fremgangsmåde til drift af en vindmølle, som har en generator (7) og en hermed forbundet rotor (3) med et nav (4) og dermed drejeligt til regulering af indstillingsvinklen forbundne vinger (5), kendetegnet ved, at under vejrforhold med risiko for isdannelse på vingerne (5) og ingen eller svag vind benyttes generatoren (7) som motor til at drive rotoren (3), idet vingernes omløbstal og indstillingsvinkel indstilles, så isdannelse vil finde sted i områder af vingerne, især vingernes forkantområde, hvor der er tilvejebragt et isbekæmpelsesmiddel i form af et afisningssystem eller en overfladestruktur eller overfladebelægning, som tilvejebringer en vand- og isafvisende overflade. 2. Fremgangsmåde ifølge krav 1, hvor vingernes omløbstal og indstillingsvinkel indstilles, så den resulterende vind rammer ind på vingernes forkant (10) med en indfaldsvinkel på -30° til +30°, fortrinsvis på-12° til +12° over hovedparten af vingernes længde. 3. Fremgangsmåde ifølge krav 1 eller 2, hvor vingernes indstillingsvinkel (pitchvinkel) indstilles for minimering af energiforbruget til at rotere rotoren. 4. Fremgangsmåde ifølge ethvert af kravene 1-3, hvor vingerne i området ved deres forkant er forsynet med et afisningssystem, og hvor afisningssystemet aktiveres med mellemrum til fjernelse af dannede islag. 5. Fremgangsmåde ifølge krav 4, hvor mellemrummene mellem aktiveringen af afisnings-systemet fastlægges på basis af tykkelsen af det dannede islag. 6. Fremgangsmåde ifølge krav 4, hvor mellemrummene mellem aktiveringen af afisningssystemet fastlægges ud fra vejrforholdene, dvs. vind, temperatur, fugtighed og nedbør. 7. Fremgangsmåde ifølge krav 4, kendetegnet ved, at mellemrummene mellem aktiveringen af afisningssystemet er faste. 8. Fremgangsmåde ifølge et eller flere af de foregående krav, hvor vingerne i området ved forkanten har en overfladestruktur eller overfladebelægning, som tilvejebringer en vand-og isafvisende overflade. 9. Fremgangsmåde ifølge et eller flere af de foregående krav, kendetegnet ved, at rotoren ved anvendelsen af generatoren som motor bringes til at rotere konstant med samme omløbstal. 10. Fremgangsmåde ifølge et eller flere af de foregående krav 1 til 8, kendeteg -n e t ved, at generatoren intermitterende benyttes som motor til at bringe rotoren til at rotere med et forud fastlagt første omløbstal, generatoren/motoren derefter frakobles nettet, så rotoren roterer frit i tomgang, indtil et forud fastlagt andet omløbstal nås, hvorefter generatoren atter benyttes som motor, indtil det første forud fastlagte omløbstal atter nås.
DK200201963A 2002-12-20 2002-12-20 Fremgangsmåde til drift af en vindmölle DK175912B1 (da)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DK200201963A DK175912B1 (da) 2002-12-20 2002-12-20 Fremgangsmåde til drift af en vindmölle
EP03779741A EP1573199B1 (en) 2002-12-20 2003-12-16 Method of operating a wind turbine
AU2003287901A AU2003287901A1 (en) 2002-12-20 2003-12-16 Method of operating a wind turbine
PCT/DK2003/000883 WO2004057182A1 (en) 2002-12-20 2003-12-16 Method of operating a wind turbine
US10/537,934 US7182575B2 (en) 2002-12-20 2003-12-16 Method of operating a wind turbine
CA2508316A CA2508316C (en) 2002-12-20 2003-12-16 Method of operating a wind turbine
CNB2003801070586A CN100347441C (zh) 2002-12-20 2003-12-16 操作风涡轮的方法
NO20053543A NO330604B1 (no) 2002-12-20 2005-07-19 Fremgangsmate for drift av en vindturbin.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK200201963 2002-12-20
DK200201963A DK175912B1 (da) 2002-12-20 2002-12-20 Fremgangsmåde til drift af en vindmölle

Publications (2)

Publication Number Publication Date
DK200201963A true DK200201963A (da) 2004-06-21
DK175912B1 DK175912B1 (da) 2005-06-20

Family

ID=32668617

Family Applications (1)

Application Number Title Priority Date Filing Date
DK200201963A DK175912B1 (da) 2002-12-20 2002-12-20 Fremgangsmåde til drift af en vindmölle

Country Status (8)

Country Link
US (1) US7182575B2 (da)
EP (1) EP1573199B1 (da)
CN (1) CN100347441C (da)
AU (1) AU2003287901A1 (da)
CA (1) CA2508316C (da)
DK (1) DK175912B1 (da)
NO (1) NO330604B1 (da)
WO (1) WO2004057182A1 (da)

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Also Published As

Publication number Publication date
EP1573199A1 (en) 2005-09-14
EP1573199B1 (en) 2013-02-13
CA2508316A1 (en) 2004-07-08
US20060034692A1 (en) 2006-02-16
NO330604B1 (no) 2011-05-23
AU2003287901A1 (en) 2004-07-14
DK175912B1 (da) 2005-06-20
CA2508316C (en) 2012-08-07
NO20053543L (no) 2005-08-03
US7182575B2 (en) 2007-02-27
CN100347441C (zh) 2007-11-07
CN1729359A (zh) 2006-02-01
WO2004057182A1 (en) 2004-07-08

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Expiry date: 20221220