DE20020232U1 - Wind turbine with auxiliary energy device for adjusting rotor blades in the event of a fault - Google Patents

Wind turbine with auxiliary energy device for adjusting rotor blades in the event of a fault

Info

Publication number
DE20020232U1
DE20020232U1 DE20020232U DE20020232U DE20020232U1 DE 20020232 U1 DE20020232 U1 DE 20020232U1 DE 20020232 U DE20020232 U DE 20020232U DE 20020232 U DE20020232 U DE 20020232U DE 20020232 U1 DE20020232 U1 DE 20020232U1
Authority
DE
Germany
Prior art keywords
rotor
wind turbine
auxiliary generator
shaft
fault
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE20020232U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to DE20020232U priority Critical patent/DE20020232U1/en
Priority to PCT/DE2001/004342 priority patent/WO2002044561A1/en
Publication of DE20020232U1 publication Critical patent/DE20020232U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D7/00Controlling wind motors 
    • F03D7/02Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022Adjusting aerodynamic properties of the blades
    • F03D7/0224Adjusting blade pitch
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00Function
    • F05B2260/70Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/74Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00Function
    • F05B2260/70Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/76Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00Control
    • F05B2270/10Purpose of the control system
    • F05B2270/101Purpose of the control system to control rotational speed (n)
    • F05B2270/1011Purpose of the control system to control rotational speed (n) to prevent overspeed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00Control
    • F05B2270/10Purpose of the control system
    • F05B2270/107Purpose of the control system to cope with emergencies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (7)

1) Windkraftanlage mit Mitteln zur Verstellung der Rotorblät­ ter (RB) um eine Längsachse (LA), die an einer Nabe (N) ei­ ner Rotorwelle (RW) angeordnet sind, welche aufweisen
  • a) mindestens einen Stellantrieb (SA) mit mindestens einem Stellmotor (SM) zur Verstellung zumindest eines Rotor­ blatts (RB),
  • b) mindestens einen Hilfsgenerator (HG) zur Auskopplung von elektrischer Energie aus der kinetischen Energie zumin­ dest der Rotorwelle (RW),
  • c) eine Störfallerkennungseinrichtung (SI), welche bei Er­ fassung eines Fehlerfalles (FF) der Windkraftanlage ak­ tiv wird, und
  • d) eine Umschalteinrichtung (US), welche bei Aktivierung der Störfallerkennungseinrichtung (SI) die elektrische Energie des Hilfsgenerators (HG) zumindest an einen Stellmotor (SM) zur Verstellung zumindest eines Rotor­ blatts (RB) in eine Fahnenstellung (FS) leitet.
1) Wind power plant with means for adjusting the rotor blades (RB) about a longitudinal axis (LA), which are arranged on a hub (N) of a rotor shaft (RW), which have
  • a) at least one actuator (SA) with at least one servomotor (SM) for adjusting at least one rotor blade (RB),
  • b) at least one auxiliary generator (HG) for decoupling electrical energy from the kinetic energy at least of the rotor shaft (RW),
  • c) a fault detection device (SI), which becomes active when it detects a fault (FF) of the wind turbine, and
  • d) a switchover device (US) which, when the accident detection device (SI) is activated, conducts the electrical energy of the auxiliary generator (HG) at least to a servomotor (SM) for adjusting at least one rotor blade (RB) into a flag position (FS).
2) Windkraftanlage nach Anspruch 1, wobei der Hilfsgenerator (HG) einen Ständer (ST) und einen Läufer (LF) aufweist, und
  • a) der Ständer (ST) an einem Wellenende (WE, WE1) der Rotor- bzw. Getriebewelle (RW; GW1) befestigt ist, und
  • b) der Läufer (LF) fest mit einem Tragsystem (TR1) verbun­ den ist.
2) Wind power plant according to claim 1, wherein the auxiliary generator (HG) has a stator (ST) and a rotor (LF), and
  • a) the stator (ST) is attached to a shaft end (WE, WE1) of the rotor or gear shaft (RW; GW1), and
  • b) the runner (LF) is firmly connected to a support system (TR1).
3) Windkraftanlage nach Anspruch 1, wobei der Hilfsgenerator (HG) ein hochübersetzendes Hilfsgetriebe (OG) aufweist,
  • a) dessen Eingang (GE) mit einem axialen Wellenfortsatz (WF) der Rotor- bzw. Getriebewelle (RW; GW1) verbunden ist,
  • b) dessen Ausgang (GA) mit einem Läufer (LF) des Hilfsgene­ rators (HG) verbunden ist, und
  • c) dessen Getriebegehäuse (GOG) fest mit einem Tragsystem (TR2) verbunden ist.
3) Wind power plant according to claim 1, wherein the auxiliary generator (HG) has a high-ratio auxiliary gear (OG),
  • a) whose input (GE) is connected to an axial shaft extension (WF) of the rotor or gear shaft (RW; GW1),
  • b) whose output (GA) is connected to a rotor (LF) of the auxiliary generator (HG), and
  • c) whose gear housing (GOG) is firmly connected to a support system (TR2).
4) Windkraftanlage nach einem der vorangegangenen Ansprüche, wobei der Hilfsgenerator (HG) und der mindestens eine Stellmotor (SM) bürstenlos ausgeführt sind.4) wind turbine according to one of the preceding claims, the auxiliary generator (HG) and the at least one Actuator (SM) are brushless. 5) Windkraftanlage nach einem der vorangegangenen Ansprüche, wobei der Hilfsgenerator (HG) als permanenterregter Dreh­ strom-Synchrongenerator und der mindestens eine Stellmotor (SM) als Drehstrom-Asynchronmotor ausgeführt ist.5) wind turbine according to one of the preceding claims, the auxiliary generator (HG) as a permanently excited rotation current synchronous generator and the at least one servomotor (SM) is designed as a three-phase asynchronous motor. 6) Windkraftanlage nach einem der vorangegangenen Ansprüche, wobei die Schalteinrichtung (US) mit der Störfallerken­ nungseinrichtung (SI) durch eine elektrische Verbindungs­ leitung (SL) verbunden ist, die zumindest über einen an der Rotor- bzw. Getriebewelle (RW; GW1) angebrachten elektrisch kontaktierenden Schleifring (SR, SR1) geführt ist.6) wind turbine according to one of the preceding claims, the switching device (US) with the fault detection tion device (SI) through an electrical connection line (SL) is connected, at least via one on the Rotor or gear shaft (RW; GW1) attached electrically contacting slip ring (SR, SR1) is guided. 7) Windkraftanlage nach einem der vorangegangenen Ansprüche, wobei die Schalteinrichtung (US) mit der Störfallerken­ nungseinrichtung (SI) durch eine elektrische Verbindungs­ leitung (SL) verbunden ist, die zumindest über einen an der Rotor- bzw. Getriebewelle (RW; GW1) angebrachten elektrisch kontaktierenden Schleifring (SR, SR1) geführt ist.7) wind turbine according to one of the preceding claims, the switching device (US) with the fault detection tion device (SI) through an electrical connection line (SL) is connected, at least via one on the Rotor or gear shaft (RW; GW1) attached electrically contacting slip ring (SR, SR1) is guided.
DE20020232U 2000-11-29 2000-11-29 Wind turbine with auxiliary energy device for adjusting rotor blades in the event of a fault Expired - Lifetime DE20020232U1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE20020232U DE20020232U1 (en) 2000-11-29 2000-11-29 Wind turbine with auxiliary energy device for adjusting rotor blades in the event of a fault
PCT/DE2001/004342 WO2002044561A1 (en) 2000-11-29 2001-11-19 Wind power plant with an auxiliary power device for moving rotor blades in a fault scenario

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20020232U DE20020232U1 (en) 2000-11-29 2000-11-29 Wind turbine with auxiliary energy device for adjusting rotor blades in the event of a fault

Publications (1)

Publication Number Publication Date
DE20020232U1 true DE20020232U1 (en) 2002-01-17

Family

ID=7949427

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20020232U Expired - Lifetime DE20020232U1 (en) 2000-11-29 2000-11-29 Wind turbine with auxiliary energy device for adjusting rotor blades in the event of a fault

Country Status (2)

Country Link
DE (1) DE20020232U1 (en)
WO (1) WO2002044561A1 (en)

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10213501A1 (en) * 2002-03-26 2003-10-16 Gen Electric Wind power plant with safety device, safety device, switch arrangement for a safety device and method for operating a wind power plant with safety device
DE10335575A1 (en) * 2003-07-31 2005-03-17 Siemens Ag Emergency operating device for wind power system with adjustable rotor blades has energy storage device that can be used for to supply energy to electric motor and that can be charged up by current converter
DE10338127A1 (en) * 2003-08-15 2005-03-17 Repower Systems Ag Wind turbine with a rotor
DE102004007461A1 (en) * 2004-02-13 2005-09-01 Helgers Finanzberatung Gmbh Method for operating a wind turbine, and accordingly configured wind turbine
DE102004005169B3 (en) * 2004-02-02 2005-11-03 Repower Systems Ag Rotor blade pitch control system for wind turbine generating electricity has DC supply for motor with parallel-wound and series-wound field coils with diode bypassing series field coil during braking
WO2005113964A1 (en) * 2004-05-18 2005-12-01 Nordex Energy Gmbh Wind power installation having an auxiliary generator and method for the control thereof
DE102004024564A1 (en) * 2004-05-18 2005-12-15 Nordex Energy Gmbh Method for controlling and regulating a wind energy plant and wind energy plant
EP1744444A1 (en) 2005-07-13 2007-01-17 REpower Systems AG Rotor blade pitch adjustment apparatus
DE102005034899A1 (en) * 2005-07-26 2007-02-01 Repower Systems Ag Wind energy plant with single pitch devices
EP1752659A2 (en) 2005-08-12 2007-02-14 REpower Systems AG Method of operation of a windpark and a windpark
ES2265771A1 (en) * 2005-07-22 2007-02-16 Gamesa Eolica, S.A. Method of maintaining wind turbine components operational and a turbine comprising components suitable for operational maintenance
EP1865198A2 (en) * 2006-05-31 2007-12-12 General Electric Company Emergency pitch drive power supply for a wind turbine
WO2008064791A2 (en) * 2006-12-01 2008-06-05 Robert Bosch Gmbh Electric drive device
WO2008098864A2 (en) * 2007-02-13 2008-08-21 Robert Bosch Gmbh Drive device for driving several axles
WO2009050157A2 (en) * 2007-10-15 2009-04-23 Suzlon Energy Gmbh Wind energy installation with enhanced overvoltage protection
DE102008051329A1 (en) 2008-10-15 2010-04-22 Suzlon Energy Gmbh Wind turbine for producing electrical energy from wind energy, has stator designed and equipped such that rotating magnetic field is produced at stator with respect to armature that stops relative to housing
DE102009005960A1 (en) * 2009-01-23 2010-08-05 Avantis Ltd. Pole wheel of a wind turbine
ES2345645A1 (en) * 2008-06-09 2010-09-28 GAMESA INNOVATION & TECHNOLOGY, S.L. Wind power installation and method of modifying the blade pitch in a wind power installation
DE102009044036A1 (en) * 2009-09-17 2011-04-14 Ssb Wind Systems Gmbh & Co. Kg Wind turbine
FR2956881A1 (en) * 2010-02-26 2011-09-02 Vergnet Sa Changing angle controlling-ordering system for blades of wind turbine i.e. aerogenerator type wind turbine, connected to electric network, has contactor closure arranged for stopping functioning of variator
WO2011110429A2 (en) 2010-03-10 2011-09-15 Ssb Wind Systems Gmbh & Co. Kg Redundant pitch system
WO2014005588A1 (en) * 2012-07-02 2014-01-09 Vestas Wind Systems A/S Electrical supply into wind turbine hub
EP2703643A1 (en) * 2011-04-25 2014-03-05 Hitachi, Ltd. Wind power generation system, device using wind power generation system, and method for operating same
EP2781736A1 (en) * 2013-03-19 2014-09-24 Alstom Renovables España, S.L. Wind turbine and method
US9446822B2 (en) 2008-04-23 2016-09-20 Principle Power, Inc. Floating wind turbine platform with ballast control and water entrapment plate systems
WO2016162421A1 (en) * 2015-04-10 2016-10-13 Wobben Properties Gmbh Adjusting device for adjusting a rotor blade of a wind turbine
EP1590567B1 (en) 2003-01-24 2017-10-04 General Electric Company Wind turbine generator with a low voltage ride-through controller and a method for controlling wind turbine components
EP1739807A3 (en) * 2005-06-29 2017-10-11 Bosch Rexroth AG Actuator and emergency power supply
US9810204B2 (en) 2010-10-15 2017-11-07 Principle Power, Inc. Floating wind turbine platform structure with optimized transfer of wave and wind loads
US9879654B2 (en) 2013-05-20 2018-01-30 Principle Power, Inc. System and method for controlling offshore floating wind turbine platforms
US10421524B2 (en) 2014-10-27 2019-09-24 Principle Power, Inc. Connection system for array cables of disconnectable offshore energy devices
WO2020014950A1 (en) * 2018-07-20 2020-01-23 李受勋 Wind-driven and self-driven power generation apparatus
US11225945B2 (en) 2019-05-30 2022-01-18 Principle Power, Inc. Floating wind turbine platform controlled to optimize power production and reduce loading

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DE10009472C2 (en) * 2000-02-28 2002-06-13 Norbert Hennchen Device for adjusting the angle of attack of the rotor blades of a wind turbine which are rotatably arranged on a hub of a rotor shaft
AT504818A1 (en) 2004-07-30 2008-08-15 Windtec Consulting Gmbh TRANSMISSION TRAIL OF A WIND POWER PLANT
DE202005005694U1 (en) * 2005-04-08 2005-08-11 Ssb-Antriebstechnik Gmbh & Co. Kg Wind powered energy installation with machine head carrying rotor with blades, to which are mechanically coupled electric motor driven displacement drives with transmission for rotor blade rotation, etc
US7952232B2 (en) 2008-03-13 2011-05-31 General Electric Company Wind turbine energy storage and frequency control
CN102287331B (en) * 2011-07-27 2013-05-29 国电联合动力技术有限公司 Urgent feathering triggering system and method for variable pitch wind generator system

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Cited By (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10213501A1 (en) * 2002-03-26 2003-10-16 Gen Electric Wind power plant with safety device, safety device, switch arrangement for a safety device and method for operating a wind power plant with safety device
EP1590567B1 (en) 2003-01-24 2017-10-04 General Electric Company Wind turbine generator with a low voltage ride-through controller and a method for controlling wind turbine components
DE10335575A1 (en) * 2003-07-31 2005-03-17 Siemens Ag Emergency operating device for wind power system with adjustable rotor blades has energy storage device that can be used for to supply energy to electric motor and that can be charged up by current converter
DE10335575B4 (en) * 2003-07-31 2005-10-06 Siemens Ag Emergency operating device for adjusting rotor blades for a wind turbine
DE10338127B4 (en) * 2003-08-15 2007-09-20 Repower Systems Ag Wind turbine with a rotor
DE10338127A1 (en) * 2003-08-15 2005-03-17 Repower Systems Ag Wind turbine with a rotor
DE10338127C5 (en) * 2003-08-15 2015-08-06 Senvion Se Wind turbine with a rotor
DE102004005169B3 (en) * 2004-02-02 2005-11-03 Repower Systems Ag Rotor blade pitch control system for wind turbine generating electricity has DC supply for motor with parallel-wound and series-wound field coils with diode bypassing series field coil during braking
DE102004007461A1 (en) * 2004-02-13 2005-09-01 Helgers Finanzberatung Gmbh Method for operating a wind turbine, and accordingly configured wind turbine
DE102004024563A1 (en) * 2004-05-18 2005-12-15 Nordex Energy Gmbh Wind turbine with an auxiliary generator
US7566982B2 (en) 2004-05-18 2009-07-28 Nordex Energy Gmbh Method for controlling and adjusting a wind turbine
WO2005113964A1 (en) * 2004-05-18 2005-12-01 Nordex Energy Gmbh Wind power installation having an auxiliary generator and method for the control thereof
DE102004024564A1 (en) * 2004-05-18 2005-12-15 Nordex Energy Gmbh Method for controlling and regulating a wind energy plant and wind energy plant
US7602074B2 (en) 2004-05-18 2009-10-13 Nordex Energy Gmbh Wind power installation having an auxiliary generator and method for the control thereof
AU2005248021B9 (en) * 2004-05-18 2009-05-14 Nordex Energy Gmbh Method for controlling and adjusting a wind turbine
AU2005248021B2 (en) * 2004-05-18 2008-11-13 Nordex Energy Gmbh Method for controlling and adjusting a wind turbine
DE102004024564B4 (en) * 2004-05-18 2006-03-30 Nordex Energy Gmbh Method for controlling and regulating a wind energy plant and wind energy plant
DE102004024563B4 (en) * 2004-05-18 2008-01-10 Nordex Energy Gmbh Method for generating emergency power for a wind turbine with an auxiliary generator
EP1739807A3 (en) * 2005-06-29 2017-10-11 Bosch Rexroth AG Actuator and emergency power supply
EP1744444A1 (en) 2005-07-13 2007-01-17 REpower Systems AG Rotor blade pitch adjustment apparatus
US8084874B2 (en) 2005-07-22 2011-12-27 Gamesa Innovation & Technology, S.L. Method of maintaining wind turbine components operational and a turbine comprising components suitable for operational maintenace
EP1961957A4 (en) * 2005-07-22 2013-01-16 Gamesa Innovation & Tech Sl Method of maintaining wind turbine components operational and a turbine comprising components suitable for operational maintenance
WO2007012682A3 (en) * 2005-07-22 2007-04-26 Gamesa Eolica Sa Method of maintaining wind turbine components operational and a turbine comprising components suitable for operational maintenance
EP1961957A2 (en) * 2005-07-22 2008-08-27 Gamesa Innovation & Technology, S.L. Method of maintaining wind turbine components operational and a turbine comprising components suitable for operational maintenance
ES2265771A1 (en) * 2005-07-22 2007-02-16 Gamesa Eolica, S.A. Method of maintaining wind turbine components operational and a turbine comprising components suitable for operational maintenance
DE102005034899A1 (en) * 2005-07-26 2007-02-01 Repower Systems Ag Wind energy plant with single pitch devices
EP1752659A3 (en) * 2005-08-12 2008-12-24 REpower Systems AG Method of operation of a windpark and a windpark
DE102005038558A1 (en) * 2005-08-12 2007-02-15 Repower Systems Ag Method for operating a wind energy plant park and wind energy plant park
EP1752659A2 (en) 2005-08-12 2007-02-14 REpower Systems AG Method of operation of a windpark and a windpark
CN101083403B (en) * 2006-05-31 2012-07-18 通用电气公司 Emergency pitch drive power supply
EP1865198A3 (en) * 2006-05-31 2012-11-07 General Electric Company Emergency pitch drive power supply for a wind turbine
EP1865198A2 (en) * 2006-05-31 2007-12-12 General Electric Company Emergency pitch drive power supply for a wind turbine
WO2008064791A2 (en) * 2006-12-01 2008-06-05 Robert Bosch Gmbh Electric drive device
WO2008064791A3 (en) * 2006-12-01 2008-10-16 Bosch Gmbh Robert Electric drive device
WO2008098864A2 (en) * 2007-02-13 2008-08-21 Robert Bosch Gmbh Drive device for driving several axles
CN101646867B (en) * 2007-02-13 2013-09-11 罗伯特.博世有限公司 Drive device for driving several axles
WO2008098864A3 (en) * 2007-02-13 2009-04-02 Bosch Gmbh Robert Drive device for driving several axles
WO2009050157A3 (en) * 2007-10-15 2009-12-03 Suzlon Energy Gmbh Wind energy installation with enhanced overvoltage protection
WO2009050157A2 (en) * 2007-10-15 2009-04-23 Suzlon Energy Gmbh Wind energy installation with enhanced overvoltage protection
US9446822B2 (en) 2008-04-23 2016-09-20 Principle Power, Inc. Floating wind turbine platform with ballast control and water entrapment plate systems
ES2345645A1 (en) * 2008-06-09 2010-09-28 GAMESA INNOVATION & TECHNOLOGY, S.L. Wind power installation and method of modifying the blade pitch in a wind power installation
EP2133561A3 (en) * 2008-06-09 2017-12-13 ADWEN Offshore, S.L. Wind power installation and method of modifying the blade pitch in a wind power installation
DE102008051329B4 (en) * 2008-10-15 2011-04-21 Suzlon Energy Gmbh Wind turbine with increased overvoltage protection
DE102008051329A1 (en) 2008-10-15 2010-04-22 Suzlon Energy Gmbh Wind turbine for producing electrical energy from wind energy, has stator designed and equipped such that rotating magnetic field is produced at stator with respect to armature that stops relative to housing
DE102009005960A1 (en) * 2009-01-23 2010-08-05 Avantis Ltd. Pole wheel of a wind turbine
DE202009018902U1 (en) 2009-09-17 2014-06-06 Ssb Wind Systems Gmbh & Co. Kg Wind turbine
DE102009044036A1 (en) * 2009-09-17 2011-04-14 Ssb Wind Systems Gmbh & Co. Kg Wind turbine
FR2956881A1 (en) * 2010-02-26 2011-09-02 Vergnet Sa Changing angle controlling-ordering system for blades of wind turbine i.e. aerogenerator type wind turbine, connected to electric network, has contactor closure arranged for stopping functioning of variator
US9422919B2 (en) 2010-03-10 2016-08-23 Ssb Wind Systems Gmbh & Co. Kg Redundant pitch system
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