FI77917B - Bladfloejlingsanorning foer en vindturbin. - Google Patents

Bladfloejlingsanorning foer en vindturbin. Download PDF

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Publication number
FI77917B
FI77917B FI832192A FI832192A FI77917B FI 77917 B FI77917 B FI 77917B FI 832192 A FI832192 A FI 832192A FI 832192 A FI832192 A FI 832192A FI 77917 B FI77917 B FI 77917B
Authority
FI
Finland
Prior art keywords
actuator
flow
resting
valve
leaf
Prior art date
Application number
FI832192A
Other languages
English (en)
Finnish (fi)
Other versions
FI832192L (fi
FI832192A0 (fi
FI77917C (sv
Inventor
John Peter Patrick
Kermit Ivan Harner
Kenneth Franklyn Vosseller
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of FI832192A0 publication Critical patent/FI832192A0/fi
Publication of FI832192L publication Critical patent/FI832192L/fi
Publication of FI77917B publication Critical patent/FI77917B/fi
Application granted granted Critical
Publication of FI77917C publication Critical patent/FI77917C/sv

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
    • 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
    • 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
    • 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)
  • Catching Or Destruction (AREA)

Claims (4)

1. Bladflöjlingsanordning för en vindturbin innefattande minst ett blad (10,15) med variabel stigning omställbart tili ett flöjlingsläge 5 jämte ett hydrauliskt flöjlingsmanöverdon (299) som är anordnat att reglera flöjlingen av bladet, kännetecknad därav, att tili flöjlingsmanöverdonet (299) är ansluten en utloppsledning (305) för avtappning av hydraulmedium fran flöjlingsmanöverdonet, att ett par strömningsregleranordningar (330,335) kommunicerar med utloppsledningen 10 (305) för att reglera avtappningstakten frän flöjlingsmanöverdonet (299) och därmed dettas arbetstakt, och att en av flöjlingsmanöverdonet (299) plverkbar stigningstaktreglerventil (340) stir i fluidumförbindelse med den ena av strömningsregleranordningarna för att selektivt blockera strömning genom denna sisom gensvar pa att flöjlingsmanöverdonet (299) 15 arbetar för att utföra bladflöjlingen i reducerad takt.
1 Patentkrav
2. Bladflöjlingsanordning enligt patentkravet 1, kännetecknad därav, att strömningsregleranordningarna (330,335) är inkopplade paral-lelt med varandra och att stigningstaktreglerventilen (340) är serie- 20 kopplad med den ena (330) av strömningsregleranordningarna (330,335).
3. Bladflöjlingsanordning enligt patentkravet 1 eller 2, kännetecknad därav, att flöjlingsmanöverdonet (299) inkluderar ett ut-gingsorgan (302) som är omställbart sisom gensvar pi under tryck staende 25 hydraulmedium som tillförs tili flöjlingsmanöverdonet (299), att stigningstaktreglerventilen (340) är piverkbar av flöjlingsmanöverdonut-gingsorganet (302), och att utgingsorganet (302) inlednlngsvls öppnar stigningstaktregler ventilen (340) för att möjliggöra strömning genom den ena regleranordnlngen (330), si att en maximal medieutloppsströmnlng 30 frin flöjlingsmanöverdonet (299) erhille da bladflöjlingen inleds, och sedermera stänger stigningstaktreglerventilen (340) för att blockera strömining genom den ena regleranordnlngen (330), varlgenom avtappnings-flödet frin flöjlingsmanöverdonet (299) minskas si att bladet flöjlas i lägre takt. 35
4. Bladflöjlingsanordning enligt patentkravet 3, kännetecknad därav, att utgingsorganet (302) är försett med ett kamparti (303) och att
FI832192A 1982-06-22 1983-06-16 Bladflöjlingsanordning för en vindturbin. FI77917C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/391,016 US4462753A (en) 1982-06-22 1982-06-22 Blade feathering system for wind turbines
US39101682 1982-06-22

Publications (4)

Publication Number Publication Date
FI832192A0 FI832192A0 (fi) 1983-06-16
FI832192L FI832192L (fi) 1983-12-23
FI77917B true FI77917B (fi) 1989-01-31
FI77917C FI77917C (sv) 1989-05-10

Family

ID=23544871

Family Applications (1)

Application Number Title Priority Date Filing Date
FI832192A FI77917C (sv) 1982-06-22 1983-06-16 Bladflöjlingsanordning för en vindturbin.

Country Status (19)

Country Link
US (1) US4462753A (sv)
JP (1) JPS597785A (sv)
KR (1) KR920001093B1 (sv)
AU (1) AU555786B2 (sv)
BR (1) BR8302918A (sv)
CA (1) CA1213524A (sv)
DE (1) DE3320685A1 (sv)
DK (1) DK285183A (sv)
ES (1) ES523401A0 (sv)
FI (1) FI77917C (sv)
FR (1) FR2528916B1 (sv)
GB (1) GB2122266B (sv)
IL (1) IL68845A0 (sv)
IN (1) IN158792B (sv)
IT (1) IT1163511B (sv)
NL (1) NL8302142A (sv)
NO (1) NO158110C (sv)
SE (1) SE451871B (sv)
ZA (1) ZA833968B (sv)

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FR2566466A1 (fr) * 1984-06-21 1985-12-27 Kafcsak Joseph Eolienne a deux rotors coaxiaux avec regulation de la position des pales
US4701104A (en) * 1986-06-18 1987-10-20 Sundstrand Corporation Ram air turbine
US5527151A (en) * 1992-03-04 1996-06-18 Northern Power Systems, Inc. Advanced wind turbine with lift-destroying aileron for shutdown
US5320491A (en) * 1992-07-09 1994-06-14 Northern Power Systems, Inc. Wind turbine rotor aileron
US5527152A (en) * 1994-03-04 1996-06-18 Northern Power Systems, Inc. Advanced wind turbine with lift cancelling aileron for shutdown
DE4446621A1 (de) * 1994-12-24 1996-06-27 Klein Schanzlin & Becker Ag Frequenzgeregelter Stellmotor
ES2214745T3 (es) * 1997-11-04 2004-09-16 Windtec Anlagenerrichtungs- Und Consulting Gmbh Instalacion de energia eolica.
CN1325791C (zh) * 2002-04-26 2007-07-11 通用电气公司 调节风能涡轮转子叶片的装置
EP1647708A1 (en) * 2004-10-14 2006-04-19 General Electric Company Pitch drive system for a wind turbine
EP1831545B1 (en) * 2004-12-30 2015-10-14 Vestas Wind Systems A/S Wind turbine comprising a multiplied redundancy control system and method of controlling a wind turbine
FI117352B (sv) * 2005-03-09 2006-09-15 Winwind Oy Förfarande för att stoppa rotorn hos ett vindkraftverk
US7488155B2 (en) 2005-11-18 2009-02-10 General Electric Company Method and apparatus for wind turbine braking
US7602075B2 (en) * 2006-07-06 2009-10-13 Acciona Windpower, S.A. Systems, methods and apparatuses for a wind turbine controller
ES2327695B1 (es) * 2006-10-11 2010-09-06 GAMESA INNOVATION & TECHNOLOGY, S.L. Sistema de giro de una pala de aerogenerador.
DE102006051352C5 (de) * 2006-10-25 2011-09-15 Nordex Energy Gmbh Verfahren zum Betreiben einer Windenergieanlage
ES2301400B1 (es) * 2006-11-17 2009-05-01 GAMESA INNOVATION & TECHNOLOGY S.L. Metodo de reduccion de cargas en un aerogenerador.
US8038395B2 (en) * 2008-03-28 2011-10-18 General Electric Company Pulsed torque control of wind turbine pitch systems
US7944067B2 (en) * 2008-04-01 2011-05-17 General Electric Company System and method for reducing rotor loads in a wind turbine upon detection of blade-pitch failure and loss of counter-torque
DK2290232T3 (en) * 2008-05-16 2015-10-26 Mitsubishi Heavy Ind Ltd The wind turbine pitch angle-control unit and method for controlling the wind turbine pitch angle
CN101720389B (zh) * 2008-06-10 2012-10-03 三菱重工业株式会社 叶片螺距角控制装置以及风力发电装置
CA2709024A1 (en) * 2009-04-10 2010-10-10 Mitsubishi Heavy Industries, Ltd. Pitch drive apparatus of wind generator and wind generator
EP2256342B8 (de) 2009-05-28 2013-10-23 Nordex Energy GmbH Verfahren zur Notbremsung einer Windenergieanlage sowie Windenergieanlage mit einer Rotorblattverstellung zur Notbremsung
GB201000198D0 (en) * 2010-01-08 2010-02-24 Rolls Royce Plc Back-up featherer
CN104379925B (zh) * 2012-04-23 2017-05-17 维斯塔斯风力系统集团公司 在停机期间控制风力涡轮机的方法
US9416771B2 (en) 2013-06-26 2016-08-16 Siemens Aktiengesellschaft Method for controlling loads in a wind turbine
US9689374B2 (en) 2013-10-09 2017-06-27 Siemens Aktiengesellschaft Method and apparatus for reduction of fatigue and gust loads on wind turbine blades
US10100812B2 (en) 2014-06-30 2018-10-16 General Electric Company Methods and systems to operate a wind turbine system
CN104265567B (zh) * 2014-09-26 2016-09-28 沈阳华创风能有限公司 带自动偏离风向保护的偏航系统及其控制方法
US10598159B2 (en) 2016-05-06 2020-03-24 General Electric Company Wind turbine bearings
US11359602B2 (en) * 2017-07-06 2022-06-14 Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd. Pitch varying device, pitch varying method and pitch varying control device for wind turbine blade and wind turbine
US11958589B1 (en) * 2022-12-30 2024-04-16 Pratt & Whitney Canada Corp. Controlling rate of rotor feather by primary blade angle control system

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Also Published As

Publication number Publication date
SE8303152D0 (sv) 1983-06-03
FR2528916A1 (fr) 1983-12-23
NL8302142A (nl) 1984-01-16
KR920001093B1 (ko) 1992-02-01
AU555786B2 (en) 1986-10-09
DK285183A (da) 1983-12-23
FI832192L (fi) 1983-12-23
GB8315009D0 (en) 1983-07-06
CA1213524A (en) 1986-11-04
FR2528916B1 (fr) 1988-07-22
ES8405109A1 (es) 1984-06-01
JPH0364713B2 (sv) 1991-10-08
ES523401A0 (es) 1984-06-01
IT1163511B (it) 1987-04-08
DE3320685A1 (de) 1983-12-22
JPS597785A (ja) 1984-01-14
DK285183D0 (da) 1983-06-21
SE8303152L (sv) 1983-12-23
DE3320685C2 (sv) 1987-08-27
KR840005192A (ko) 1984-11-05
GB2122266A (en) 1984-01-11
ZA833968B (en) 1984-02-29
NO158110C (no) 1988-07-13
FI832192A0 (fi) 1983-06-16
IT8321594A0 (it) 1983-06-13
US4462753A (en) 1984-07-31
BR8302918A (pt) 1984-02-07
FI77917C (sv) 1989-05-10
SE451871B (sv) 1987-11-02
NO158110B (no) 1988-04-05
AU1566883A (en) 1984-01-05
GB2122266B (en) 1985-05-22
IN158792B (sv) 1987-01-24
NO832216L (no) 1983-12-23
IL68845A0 (en) 1983-10-31

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Owner name: UNITED TECHNOLOGIES CORPORATION