ZA833968B - Blade feathering system for wind turbines - Google Patents

Blade feathering system for wind turbines

Info

Publication number
ZA833968B
ZA833968B ZA833968A ZA833968A ZA833968B ZA 833968 B ZA833968 B ZA 833968B ZA 833968 A ZA833968 A ZA 833968A ZA 833968 A ZA833968 A ZA 833968A ZA 833968 B ZA833968 B ZA 833968B
Authority
ZA
South Africa
Prior art keywords
wind turbines
blade feathering
feathering system
blade
turbines
Prior art date
Application number
ZA833968A
Other languages
English (en)
Inventor
Kermit Ivan Harner
Peter Patrick John
Kenneth Franklyn Vosseler
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 ZA833968B publication Critical patent/ZA833968B/xx

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)
ZA833968A 1982-06-22 1983-06-01 Blade feathering system for wind turbines ZA833968B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA833968B true ZA833968B (en) 1984-02-29

Family

ID=23544871

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA833968A ZA833968B (en) 1982-06-22 1983-06-01 Blade feathering system for wind turbines

Country Status (19)

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

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO1999023384A1 (de) * 1997-11-04 1999-05-14 Gerald Hehenberger Verstellungsantrieb für rotorblätter von windkraftanlagen
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
US8585363B2 (en) * 2004-12-30 2013-11-19 Vestas Wind Systems A/S Wind turbine comprising a multiplied redundancy control system and method of controlling a wind turbine
FI117352B (fi) * 2005-03-09 2006-09-15 Winwind Oy Menetelmä tuulivoimalan roottorin pysäyttämiseksi
US7488155B2 (en) 2005-11-18 2009-02-10 General Electric Company Method and apparatus for wind turbine braking
EP2044326B1 (en) * 2006-07-06 2018-08-22 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
US20110142630A1 (en) * 2008-05-16 2011-06-16 Mitsubishi Heavy Industries, Ltd. Wind turbine pitch-angle control device and method thereof
CA2667849A1 (en) * 2008-06-10 2009-12-10 Mitsubishi Heavy Industries, Ltd. Blade pitch-angle control apparatus and wind turbine generator
JPWO2010116520A1 (ja) * 2009-04-10 2012-10-18 三菱重工業株式会社 風力発電装置のピッチ駆動装置および風力発電装置
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
WO2013159779A1 (en) * 2012-04-23 2013-10-31 Vestas Wind Systems A/S A method for controlling a wind turbine during shutdown
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

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2338483A (en) * 1940-06-29 1944-01-04 United Aircraft Corp Propeller control
US2423400A (en) * 1941-06-06 1947-07-01 Harry J Nichols Propeller
US2437701A (en) * 1943-06-07 1948-03-16 Howard M Mccoy Aircraft propeller
US2640555A (en) * 1946-03-01 1953-06-02 Curtiss Wright Corp Hydraulic propeller pitch-changing system
US2657755A (en) * 1947-08-28 1953-11-03 Curtiss Wright Corp Variable pitch propeller
US2705537A (en) * 1947-10-29 1955-04-05 Harry J Nichols Differential angle indicating and controlling system for variable pitch propellers
US2661806A (en) * 1948-02-27 1953-12-08 Chrysler Corp Control for propeller governor having delayed propeller speed regulation
US2850105A (en) * 1953-06-26 1958-09-02 Gen Motors Corp Propeller mechanism with means to vary the pitch change rate
US2887164A (en) * 1954-02-25 1959-05-19 Gen Motors Corp Propeller control system
US2865460A (en) * 1954-06-17 1958-12-23 United Aircraft Corp Pitch control servo system for an aeronautical propeller
US3068943A (en) * 1960-06-28 1962-12-18 United Aircraft Corp Propeller control system with rate-of-blade-pitch-change feedback
US3112901A (en) * 1961-06-02 1963-12-03 Curtiss Wright Corp Propeller control system
US3070174A (en) * 1961-07-31 1962-12-25 Basic Res Inc Speed control apparatus for aircraft propellers
US3115938A (en) * 1961-08-18 1963-12-31 United Aircraft Corp Pitch control for aeronautical propeller
US3269121A (en) * 1964-02-26 1966-08-30 Bening Ludwig Wind motor
GB1374756A (en) * 1971-10-13 1974-11-20 Hawker Siddeley Dynamics Ltd Fluid pressure servo system
US4160170A (en) * 1978-06-15 1979-07-03 United Technologies Corporation Wind turbine generator pitch control system
US4260329A (en) * 1979-02-12 1981-04-07 Bjorknas John I Propeller pitch and engine load control apparatus
US4348156A (en) * 1980-03-17 1982-09-07 United Technologies Corporation Blade pitch actuation system
US4348155A (en) * 1980-03-17 1982-09-07 United Technologies Corporation Wind turbine blade pitch control system
US4352634A (en) * 1980-03-17 1982-10-05 United Technologies Corporation Wind turbine blade pitch control system

Also Published As

Publication number Publication date
DK285183D0 (da) 1983-06-21
FI77917B (fi) 1989-01-31
CA1213524A (en) 1986-11-04
NO158110C (no) 1988-07-13
NL8302142A (nl) 1984-01-16
AU1566883A (en) 1984-01-05
GB2122266A (en) 1984-01-11
SE8303152L (sv) 1983-12-23
FI832192A0 (fi) 1983-06-16
DE3320685C2 (xx) 1987-08-27
GB8315009D0 (en) 1983-07-06
SE8303152D0 (sv) 1983-06-03
ES8405109A1 (es) 1984-06-01
US4462753A (en) 1984-07-31
DK285183A (da) 1983-12-23
BR8302918A (pt) 1984-02-07
KR920001093B1 (ko) 1992-02-01
JPS597785A (ja) 1984-01-14
AU555786B2 (en) 1986-10-09
IN158792B (xx) 1987-01-24
KR840005192A (ko) 1984-11-05
FR2528916A1 (fr) 1983-12-23
IT8321594A0 (it) 1983-06-13
IT1163511B (it) 1987-04-08
FR2528916B1 (fr) 1988-07-22
IL68845A0 (en) 1983-10-31
NO158110B (no) 1988-04-05
NO832216L (no) 1983-12-23
SE451871B (sv) 1987-11-02
DE3320685A1 (de) 1983-12-22
GB2122266B (en) 1985-05-22
FI832192L (fi) 1983-12-23
FI77917C (fi) 1989-05-10
ES523401A0 (es) 1984-06-01
JPH0364713B2 (xx) 1991-10-08

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