PL2396541T3 - Elektrownia wiatrowa z czujnikami nadzorującymi - Google Patents

Elektrownia wiatrowa z czujnikami nadzorującymi

Info

Publication number
PL2396541T3
PL2396541T3 PL10723479T PL10723479T PL2396541T3 PL 2396541 T3 PL2396541 T3 PL 2396541T3 PL 10723479 T PL10723479 T PL 10723479T PL 10723479 T PL10723479 T PL 10723479T PL 2396541 T3 PL2396541 T3 PL 2396541T3
Authority
PL
Poland
Prior art keywords
wind turbine
monitoring sensors
sensors
monitoring
turbine
Prior art date
Application number
PL10723479T
Other languages
English (en)
Inventor
Edwin Becker
Johann Loesl
Marcel Kenzler
Original Assignee
Prüftechnik Dieter Busch 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 Prüftechnik Dieter Busch AG filed Critical Prüftechnik Dieter Busch AG
Publication of PL2396541T3 publication Critical patent/PL2396541T3/pl

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
    • F03D7/04—Automatic control; Regulation
    • F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
    • 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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • F03D1/0675—Rotors characterised by their construction elements of the 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
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/30—Commissioning, e.g. inspection, testing or final adjustment before releasing for production
    • F03D13/35—Balancing static or dynamic imbalances
    • 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
    • F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
    • 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
    • F03D7/022—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
    • F03D7/028—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling wind motor output power
    • F03D7/0292—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling wind motor output power to reduce fatigue
    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/10—Combinations of wind motors with apparatus storing energy
    • F03D9/17—Combinations of wind motors with apparatus storing energy storing energy in pressurised fluids
    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/28—Wind motors characterised by the driven apparatus the apparatus being a pump or a compressor
    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • 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
    • F05B2260/60—Fluid transfer
    • 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
    • F05B2260/80—Diagnostics
    • 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
    • F05B2260/96—Preventing, counteracting or reducing vibration or noise
    • 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
    • F05B2270/80—Devices generating input signals, e.g. transducers, sensors, cameras or strain gauges
    • F05B2270/821—Displacement measuring means, e.g. inductive
    • 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
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
    • 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

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)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Wind Motors (AREA)
PL10723479T 2009-02-16 2010-02-15 Elektrownia wiatrowa z czujnikami nadzorującymi PL2396541T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009009039A DE102009009039A1 (de) 2009-02-16 2009-02-16 Windenergieanlage mit Überwachungssensoren
EP10723479.1A EP2396541B1 (de) 2009-02-16 2010-02-15 Windenergieanlage mit überwachungssensoren

Publications (1)

Publication Number Publication Date
PL2396541T3 true PL2396541T3 (pl) 2017-04-28

Family

ID=42338730

Family Applications (1)

Application Number Title Priority Date Filing Date
PL10723479T PL2396541T3 (pl) 2009-02-16 2010-02-15 Elektrownia wiatrowa z czujnikami nadzorującymi

Country Status (7)

Country Link
US (1) US8672625B2 (pl)
EP (1) EP2396541B1 (pl)
DE (1) DE102009009039A1 (pl)
DK (1) DK2396541T3 (pl)
ES (1) ES2609330T3 (pl)
PL (1) PL2396541T3 (pl)
WO (1) WO2010091675A2 (pl)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2479923A (en) * 2010-04-29 2011-11-02 Vestas Wind Sys As A method and system for detecting angular deflection in a wind turbine blade, or component, or between wind turbine components
US8131402B2 (en) * 2010-06-30 2012-03-06 General Electric Company System for detecting proximity between a wind turbine blade and a tower wall
GB2482038B (en) 2010-07-14 2014-07-23 Vestas Wind Sys As Ice detection method and system for wind turbine blades
GB2482009B (en) * 2010-07-14 2014-07-23 Vestas Wind Sys As Ice detection and system for wind turbine blades
US8035242B2 (en) * 2010-11-09 2011-10-11 General Electric Company Wind turbine farm and method of controlling at least one wind turbine
DE102010056033A1 (de) * 2010-12-27 2012-06-28 Baumer Innotec Ag Rotorblatt einer Windkraftanlage
ITRM20110010A1 (it) * 2011-01-13 2012-07-14 Francesco Marano Pala eolica a massa variabile
ES2727248T3 (es) * 2011-08-31 2019-10-15 Woelfel Eng Gmbh Co Kg Procedimiento y dispositivo para el monitoreo de estado de palas de rotor
DE102011057175A1 (de) * 2011-12-30 2013-07-04 Prüftechnik Dieter Busch AG Verfahren zur Schwingungsmessung an Rotorblättern von Windenergieanlagen
US9797376B2 (en) 2012-08-07 2017-10-24 Mhi Vestas Offshore Wind Floating wind turbine safety system
US9765757B2 (en) 2013-11-22 2017-09-19 General Electric Company System and method for preventing rotor blade tower strike
US20150300324A1 (en) * 2014-04-18 2015-10-22 Ashish Bhimrao Kharkar Electromagnetic shielding of a strain gauge in a wind power installation
GB2527329B (en) * 2014-06-18 2018-09-12 Abu Al Rubb Khalil Turbine blade arrangement
EP3189231B1 (en) * 2014-09-01 2020-01-01 Vestas Wind Systems A/S Improvements relating to the determination of rotor imbalances in a wind turbine
US9983087B2 (en) 2014-12-10 2018-05-29 General Electric Company Methods and systems to determine rotor imbalance
DE102015106366B4 (de) * 2015-04-24 2019-05-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zur Bestimmung einer Position von Fehlstellen oder Schädigungen an Rotorblättern einer Windkraftanlage in eingebautem Zustand
CN108425803B (zh) * 2018-03-15 2020-06-02 长沙理工大学 一种具有双能量转化系统的风力发电装置
US10975842B2 (en) * 2018-08-25 2021-04-13 Samuel Messinger Wind turbine propeller regulator to produce uninterrupted electricity and longer bearing life
US11215164B2 (en) * 2018-08-25 2022-01-04 Samuel Messinger Wind turbine propeller regulator to produce uninterrupted electricity and longer bearing life
US20200240393A1 (en) * 2018-08-25 2020-07-30 Samuel Messinger Wind turbine propeller regulator to produce uninterrupted electricity and longer bearing life
DE102018007953A1 (de) * 2018-10-09 2020-04-09 Senvion Gmbh Rotorblatt einer Windkraftanlage mit einer Teilchendämpfungseinrichtung und ein Herstellungsverfahren dafür
US20220389905A1 (en) 2019-10-03 2022-12-08 Syddansk Universitet A method and a system for tracking motion of a blade
EP4211351A1 (en) * 2020-09-09 2023-07-19 Vestas Wind Systems A/S Wind turbine blade

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19609042C2 (de) 1996-03-08 1998-10-15 Mannesmann Sachs Ag Schwungmassenanordnung mit einem Planetengetriebe
GB2319812A (en) * 1996-10-15 1998-06-03 Balfan Corp In-flight balancing of fan on turbofan jet engine
ES2228121T3 (es) 1999-11-03 2005-04-01 Vestas Wind Systems A/S Procedimiento de control de la operacion de una turbina electrica y turbina electrica para usarse en dicho procedimiento.
DE10011393A1 (de) * 2000-03-09 2001-09-13 Tacke Windenergie Gmbh Regelungssystem für eine Windkraftanlage
DK174437B1 (da) * 2001-04-11 2003-03-03 Lm Glasfiber As Vindmøllevinge med svingningsdæmper
DE10219664A1 (de) 2002-04-19 2003-11-06 Enron Wind Gmbh Windenergieanlage, Regelanordnung für eine Windenergieanlage und Verfahren zum Betreiben einer Windenergieanlage
CA2426711C (en) * 2002-05-02 2009-11-17 General Electric Company Wind power plant, control arrangement for a wind power plant, and method for operating a wind power plant
US7246991B2 (en) * 2002-09-23 2007-07-24 John Vanden Bosche Wind turbine blade deflection control system
DK177602B1 (da) 2004-01-16 2013-11-18 Lm Wind Power As Overvågning af driften af et vindenergianlæg
DE102004014992A1 (de) 2004-03-26 2005-10-13 Hofmann Mess- Und Auswuchttechnik Gmbh & Co. Kg Auswuchtvorrichtung zur Kompensation der Unwucht von Rotoren von Windkraftanlagen
DE102005017054B4 (de) 2004-07-28 2012-01-05 Igus - Innovative Technische Systeme Gmbh Verfahren und Vorrichtung zur Überwachung des Zustandes von Rotorblättern an Windkraftanlagen
WO2006039903A1 (de) 2004-10-09 2006-04-20 Igus - Innovative Technische Systeme Gmbh Verfahren und einrichtung zur steuerung der pitchwinkel der rotorblätter von windkraftanlagen
US7822560B2 (en) 2004-12-23 2010-10-26 General Electric Company Methods and apparatuses for wind turbine fatigue load measurement and assessment
US7351033B2 (en) * 2005-09-09 2008-04-01 Mcnerney Gerald Wind turbine load control method
US7348683B2 (en) * 2005-11-17 2008-03-25 General Electric Company Rotor for a wind energy turbine
CN101460901B (zh) 2006-05-15 2011-06-29 易格斯创新技术系统有限公司 监测风力发电装置的转子叶片的负荷的方法
DE102006054667B4 (de) 2006-11-17 2011-02-17 Windcomp Gmbh Kollisionswarnsystem für eine Windenergieanlage
US7708524B2 (en) * 2006-12-21 2010-05-04 General Electric Company Method and system for utilizing lateral tower acceleration to detect asymmetric icing
DK200700647A (en) * 2007-04-30 2008-05-10 Lm Glasfiber As Measurement of geometric parameters for a wind turbine blade
DE202007008066U1 (de) * 2007-06-08 2008-10-23 Repower Systems Ag Vorrichtung zur Ausrichtung eines winkelverstellbaren Rotorblattes einer Windenergieanlage sowie Windenergieanlage
US7895018B2 (en) * 2007-08-10 2011-02-22 General Electric Company Event monitoring via combination of signals
CN102037341A (zh) * 2008-04-01 2011-04-27 结构数据有限公司 对于比如建筑结构、飞行器、船舶等固定或者移动刚性结构进行实时监测的系统和方法
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

Also Published As

Publication number Publication date
US8672625B2 (en) 2014-03-18
WO2010091675A2 (de) 2010-08-19
ES2609330T3 (es) 2017-04-19
DE102009009039A1 (de) 2010-08-19
DK2396541T3 (en) 2017-02-20
WO2010091675A8 (de) 2011-12-08
EP2396541B1 (de) 2016-11-09
US20100209247A1 (en) 2010-08-19
EP2396541A2 (de) 2011-12-21
WO2010091675A3 (de) 2011-06-03

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