ZA811359B - Wind turbine blade pitch control system - Google Patents

Wind turbine blade pitch control system

Info

Publication number
ZA811359B
ZA811359B ZA00811359A ZA811359A ZA811359B ZA 811359 B ZA811359 B ZA 811359B ZA 00811359 A ZA00811359 A ZA 00811359A ZA 811359 A ZA811359 A ZA 811359A ZA 811359 B ZA811359 B ZA 811359B
Authority
ZA
South Africa
Prior art keywords
control system
wind turbine
turbine blade
pitch control
blade pitch
Prior art date
Application number
ZA00811359A
Other languages
English (en)
Inventor
P Barnes
M Mayo
R Sherman
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 ZA811359B publication Critical patent/ZA811359B/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
    • F03D7/024—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
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • F03D7/0224—Adjusting blade pitch
    • 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
    • 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
    • F05B2260/76—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources
    • 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
    • F05B2260/79—Bearing, support or actuation arrangements therefor
    • 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
    • F05B2270/107—Purpose of the control system to cope with emergencies
    • F05B2270/1074—Purpose of the control system to cope with emergencies by using back-up controls
    • 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
    • F05B2270/50—Control logic embodiment by
    • F05B2270/506—Control logic embodiment by hydraulic means, e.g. hydraulic valves within a hydraulic circuit
    • 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
    • F05B2270/60—Control system actuates through
    • F05B2270/604—Control system actuates through hydraulic actuators
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (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)
ZA00811359A 1980-03-17 1981-03-02 Wind turbine blade pitch control system ZA811359B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/130,658 US4348155A (en) 1980-03-17 1980-03-17 Wind turbine blade pitch control system

Publications (1)

Publication Number Publication Date
ZA811359B true ZA811359B (en) 1982-03-31

Family

ID=22445725

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00811359A ZA811359B (en) 1980-03-17 1981-03-02 Wind turbine blade pitch control system

Country Status (20)

Country Link
US (1) US4348155A (ko)
JP (1) JPS57373A (ko)
KR (1) KR850000936B1 (ko)
AR (1) AR230322A1 (ko)
AU (1) AU540223B2 (ko)
BR (1) BR8101492A (ko)
CA (1) CA1146078A (ko)
DE (1) DE3110263A1 (ko)
DK (1) DK105281A (ko)
ES (1) ES500375A0 (ko)
FI (1) FI73790C (ko)
FR (1) FR2478218A1 (ko)
GB (1) GB2071781B (ko)
IL (1) IL62274A (ko)
IN (1) IN153214B (ko)
IT (1) IT1137431B (ko)
NL (1) NL8101232A (ko)
NO (1) NO157793C (ko)
SE (1) SE446653B (ko)
ZA (1) ZA811359B (ko)

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US4462753A (en) * 1982-06-22 1984-07-31 United Technologies Corporation Blade feathering system for wind turbines
DE3227700A1 (de) * 1982-07-24 1984-01-26 BÖWE Maschinenfabrik GmbH, 8900 Augsburg Windenergiekonverter
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DE19948997B4 (de) * 1999-10-11 2005-04-14 Aerodyn Engineering Gmbh Einzelblattverstellung für Windenergieanlagen
ES2181572B1 (es) * 2001-01-31 2003-12-01 Fundacion Fatronik Dispositivo en rotores para el control independiente de la variacion de paso de cada pala.
DE10140793A1 (de) * 2001-08-20 2003-03-06 Gen Electric Einrichtung zum Verstellen des Rotorblattes eines Rotors einer Windkraftanlage
DE10162942A1 (de) * 2001-12-20 2003-07-03 Gen Electric Verfahren zum Betreiben einer Windkraftanlage und Windkraftanlage
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DE102007011990B4 (de) * 2007-03-09 2019-01-10 Tlt-Turbo Gmbh Vorrichtung zum hydraulischen Verstellen der Laufschaufeln eines Laufrades eines Axialventilators
WO2008119351A2 (en) * 2007-03-30 2008-10-09 Vestas Wind Systems A/S Wind turbine with pitch control arranged to reduce life shortening loads on components thereof
US9039372B2 (en) * 2007-04-30 2015-05-26 Vestas Wind Systems A/S Wind turbine blade
ES2554797T3 (es) * 2007-06-28 2015-12-23 Siemens Aktiengesellschaft Método para controlar al menos un elemento de un primer componente de una turbina eólica, dispositivo de control y uso del dispositivo de control
US8246302B2 (en) 2007-09-06 2012-08-21 Hamilton Sundstrand Corporation Teeter-restraint device for wind turbines
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US8038094B2 (en) * 2008-03-31 2011-10-18 Honda Motor Co., Ltd. Hydraulic system for aircraft
US20110020136A1 (en) * 2008-06-10 2011-01-27 Mitsubishi Heavy Industries, Ltd. Blade pitch-angle control apparatus and wind turbine generator
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US8096761B2 (en) * 2008-10-16 2012-01-17 General Electric Company Blade pitch management method and system
JP5330945B2 (ja) * 2008-10-29 2013-10-30 三菱重工業株式会社 油圧システム及びこれを備えた風力発電装置
GB0821239D0 (en) 2008-11-21 2008-12-31 Rolls Royce Plc A machine such as a gas turbine
JP5438979B2 (ja) * 2009-01-22 2014-03-12 三菱重工業株式会社 シリンダ駆動装置
DE102009008607A1 (de) 2009-02-12 2010-08-19 Nordex Energy Gmbh Vorrichtung zur Arretierung eines Rotorblatts einer Windenergieanlage
CN101981311B (zh) * 2009-04-10 2013-07-17 三菱重工业株式会社 风力发电装置的间距驱动装置以及风力发电装置
ATE544947T1 (de) * 2009-07-10 2012-02-15 Vestas Wind Sys As Hydraulikstation und verfahren zur druckregelung im hydrauliksystem einer windturbine
CN101624969B (zh) * 2009-08-04 2011-08-10 清华大学 一种用于风力发电变桨的冗余控制系统及方法
US8770934B2 (en) * 2009-12-16 2014-07-08 Hamilton Sundstrand Corporation Teeter mechanism for a multiple-bladed wind turbine
EP2339174A1 (en) * 2009-12-22 2011-06-29 Siemens Aktiengesellschaft System for triggering an emergency system of wind turbine
GB201007564D0 (en) 2010-05-06 2010-06-23 Rolls Royce Plc Back-up featherer
GB201007567D0 (en) 2010-05-06 2010-06-23 Rolls Royce Plc BAck-up featherer
GB201007569D0 (en) 2010-05-06 2010-06-23 Rolls Royce Plc Pitch control mechanism
GB201007565D0 (en) 2010-05-06 2010-06-23 Rolls Royce Plc Pitch control mechanism
EP2444316B1 (de) * 2010-10-25 2016-02-17 MT-Propeller Entwicklung GmbH Hydraulischer Verstellpropeller
ES2863648T3 (es) 2010-11-10 2021-10-11 Gen Electric Procedimiento y sistema para hacer funcionar una turbina eólica durante una avería
CN102536660B (zh) 2010-11-26 2014-10-29 维斯塔斯风力系统有限公司 具有液压叶片变桨系统的风轮机
ES2537178T3 (es) * 2010-11-26 2015-06-03 Vestas Wind Systems A/S Turbina eólica con sistema de variación de paso de pala hidráulico
US9121385B2 (en) 2010-11-26 2015-09-01 Vestas Wind Systems A/S Wind turbine and a method for pitching a blade of a wind turbine
US9068556B2 (en) * 2010-11-26 2015-06-30 Vestas Wind Systems A/S Pilot circuitry for controlling the emergency feathering of a wind turbine
US8922039B2 (en) 2011-01-24 2014-12-30 Vestas Wind Systems A/S Wind turbine and a method for powering one or more hydraulic pitch actuators
EP2546517B1 (en) * 2011-07-13 2016-03-30 ALSTOM Renewable Technologies Wind turbine rotor
FR3014153B1 (fr) * 2013-12-02 2015-12-18 Snecma Dispositif pour la commande hydraulique de verins
DE202015001902U1 (de) * 2015-03-11 2016-06-14 Liebherr-Components Biberach Gmbh Verstelleinheit zur Pitchverstellung eines Rotorblatts und Windkraftanlage mit einer solchen Verstelleinheit
WO2017063654A1 (en) * 2015-10-14 2017-04-20 Vestas Wind Systems A/S Method for controlling hydraulic pitch force system
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IT201900010929A1 (it) 2019-07-04 2021-01-04 Ge Avio Srl Gruppo elica ed unita' di controllo di passo
CN110748455B (zh) * 2019-11-29 2024-01-19 中国华能集团清洁能源技术研究院有限公司 一种控制风电变桨的冗余顺桨系统及方法
FR3120651B1 (fr) 2021-03-09 2023-05-12 Safran Aircraft Engines Dispositif de calage de pas de pales pour turbomachine et turbomachine le comportant

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Also Published As

Publication number Publication date
BR8101492A (pt) 1981-09-15
FR2478218B1 (ko) 1984-12-21
IT8120376A0 (it) 1981-03-17
SE446653B (sv) 1986-09-29
JPS57373A (en) 1982-01-05
FR2478218A1 (fr) 1981-09-18
AU6841281A (en) 1981-09-24
AU540223B2 (en) 1984-11-08
NO157793B (no) 1988-02-08
CA1146078A (en) 1983-05-10
AR230322A1 (es) 1984-03-01
JPH0147627B2 (ko) 1989-10-16
KR850000936B1 (ko) 1985-06-28
GB2071781B (en) 1983-06-22
FI73790B (fi) 1987-07-31
ES8204073A1 (es) 1982-05-01
SE8101614L (sv) 1981-09-18
FI810813L (fi) 1981-09-18
NL8101232A (nl) 1981-10-16
DE3110263A1 (de) 1982-03-25
IL62274A0 (en) 1981-05-20
IN153214B (ko) 1984-06-16
US4348155A (en) 1982-09-07
NO810843L (no) 1981-09-18
DE3110263C2 (ko) 1987-01-22
FI73790C (fi) 1987-11-09
ES500375A0 (es) 1982-05-01
IT1137431B (it) 1986-09-10
DK105281A (da) 1981-09-18
GB2071781A (en) 1981-09-23
KR830005485A (ko) 1983-08-20
IL62274A (en) 1983-09-30
NO157793C (no) 1988-05-25

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