IN2014DE00775A - - Google Patents

Info

Publication number
IN2014DE00775A
IN2014DE00775A IN775DE2014A IN2014DE00775A IN 2014DE00775 A IN2014DE00775 A IN 2014DE00775A IN 775DE2014 A IN775DE2014 A IN 775DE2014A IN 2014DE00775 A IN2014DE00775 A IN 2014DE00775A
Authority
IN
India
Prior art keywords
airfoil
load
determined
increase efficiency
pressure differential
Prior art date
Application number
Other languages
English (en)
Inventor
Paul BAKER Jonathan
Anthony Mayda Edward
James Rickards Erick
Original Assignee
Frontier Wind Llc
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 Frontier Wind Llc filed Critical Frontier Wind Llc
Publication of IN2014DE00775A publication Critical patent/IN2014DE00775A/en

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
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M1/00—Testing static or dynamic balance of machines or structures
    • G01M1/30—Compensating imbalance
    • G01M1/36—Compensating imbalance by adjusting position of masses built-in the body to be tested
    • 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
    • F03D7/0232—Adjusting aerodynamic properties of the blades with flaps or slats
    • 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
    • F03D7/0236—Adjusting aerodynamic properties of the blades by changing the active surface of the wind engaging parts, e.g. reefing or furling
    • 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
    • F05B2260/966—Preventing, counteracting or reducing vibration or noise by correcting static or dynamic imbalance
    • 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
    • F05B2270/109—Purpose of the control system to prolong engine life
    • F05B2270/1095—Purpose of the control system to prolong engine life by limiting mechanical stresses
    • 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
    • F05B2270/30—Control parameters, e.g. input parameters
    • F05B2270/301—Pressure
    • F05B2270/3015—Pressure differential
    • 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
    • F05B2270/30—Control parameters, e.g. input parameters
    • F05B2270/32—Wind speeds
    • 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
    • F05B2270/30—Control parameters, e.g. input parameters
    • F05B2270/324—Air pressure
    • 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
    • F05B2270/30—Control parameters, e.g. input parameters
    • F05B2270/325—Air temperature
    • 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
    • F05B2270/30—Control parameters, e.g. input parameters
    • F05B2270/327—Rotor or generator speeds
    • 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
    • F05B2270/30—Control parameters, e.g. input parameters
    • F05B2270/328—Blade pitch angle
    • 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
    • F05B2270/30—Control parameters, e.g. input parameters
    • F05B2270/331—Mechanical loads
    • 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
    • F05B2270/30—Control parameters, e.g. input parameters
    • F05B2270/336—Blade lift measurements
    • 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
    • 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
    • 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)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Wind Motors (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
IN775DE2014 2013-03-15 2014-03-14 IN2014DE00775A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/837,313 US9488157B2 (en) 2013-03-15 2013-03-15 Blade balancing

Publications (1)

Publication Number Publication Date
IN2014DE00775A true IN2014DE00775A (enrdf_load_stackoverflow) 2015-06-19

Family

ID=50241255

Family Applications (1)

Application Number Title Priority Date Filing Date
IN775DE2014 IN2014DE00775A (enrdf_load_stackoverflow) 2013-03-15 2014-03-14

Country Status (8)

Country Link
US (1) US9488157B2 (enrdf_load_stackoverflow)
EP (1) EP2778402A3 (enrdf_load_stackoverflow)
JP (1) JP2014181704A (enrdf_load_stackoverflow)
KR (1) KR101561047B1 (enrdf_load_stackoverflow)
AU (1) AU2014201464A1 (enrdf_load_stackoverflow)
BR (1) BR102014006252A2 (enrdf_load_stackoverflow)
CA (1) CA2845322C (enrdf_load_stackoverflow)
IN (1) IN2014DE00775A (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9316205B2 (en) 2013-03-15 2016-04-19 Frontier Wind, Llc Determining loads using various sensor locations
CN104314757B (zh) * 2014-10-15 2017-03-29 国电联合动力技术有限公司 一种风力发电机组偏航控制方法及系统
EP3156644A1 (en) * 2015-10-14 2017-04-19 Siemens Aktiengesellschaft Determining a deflection of a rotor blade of a wind turbine
CA3017775C (en) * 2016-03-31 2020-08-25 Vestas Wind Systems A/S Controlling heating elements in a wind turbine system
DE102016117191A1 (de) * 2016-09-13 2018-03-15 fos4X GmbH Verfahren und Vorrichtung zur Ermittlung von Belastungen auf einen Turm einer Windenergieanlage
WO2018054439A1 (en) 2016-09-22 2018-03-29 Vestas Wind Systems A/S A method for controlling air deflectors and pitch angles of wind turbine blades
EP3667076A1 (en) * 2018-12-13 2020-06-17 Siemens Gamesa Renewable Energy A/S Estimating wind speed
FI129067B (en) * 2020-05-20 2021-06-15 Teknologian Tutkimuskeskus Vtt Oy Sensor, arrangement, use and method for estimating the angle of encounter
US11278021B1 (en) 2021-02-24 2022-03-22 Timothy Just Wildlife deterring windmill
US11672243B2 (en) 2021-02-24 2023-06-13 Timothy Just Wildlife deterring windmill
CN115324822B (zh) * 2022-09-22 2025-07-04 中国船舶重工集团海装风电股份有限公司 一种风力发电机组降载偏航控制方法、系统及存储介质

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DE3000678A1 (de) * 1980-01-10 1981-07-16 Erno Raumfahrttechnik Gmbh, 2800 Bremen Vorrichtung zur bestimmung der windenergie zur regelung von windkraftwerken
JPS57191475A (en) * 1981-05-22 1982-11-25 Hitachi Ltd Pitch controlling mechanism for wind power generator
US5457630A (en) * 1992-11-18 1995-10-10 Aers/Midwest, Inc. System for onboard lift analysis and apparatus therefor
US6002972A (en) * 1992-11-18 1999-12-14 Aers/Midwest, Inc. Method and apparatus for measuring forces based upon differential pressure between surfaces of an aircraft
US6902370B2 (en) 2002-06-04 2005-06-07 Energy Unlimited, Inc. Telescoping wind turbine blade
US7445431B2 (en) * 2003-02-18 2008-11-04 Forskningscenter Riso Method of controlling aerodynamic load of a wind turbine based on local blade flow measurement
WO2006039903A1 (de) * 2004-10-09 2006-04-20 Igus - Innovative Technische Systeme Gmbh Verfahren und einrichtung zur steuerung der pitchwinkel der rotorblätter von windkraftanlagen
US8608441B2 (en) 2006-06-12 2013-12-17 Energyield Llc Rotatable blade apparatus with individually adjustable blades
US7909575B2 (en) * 2007-06-25 2011-03-22 General Electric Company Power loss reduction in turbulent wind for a wind turbine using localized sensing and control
EP2017468A1 (en) * 2007-07-20 2009-01-21 Siemens Aktiengesellschaft Method for wind turbine yaw control
US8192161B2 (en) * 2008-05-16 2012-06-05 Frontier Wind, Llc. Wind turbine with deployable air deflectors
US8408871B2 (en) * 2008-06-13 2013-04-02 General Electric Company Method and apparatus for measuring air flow condition at a wind turbine blade
US8137066B2 (en) * 2009-04-16 2012-03-20 Frontier Wind, Llc Pressure based load measurement
EP2267301B1 (en) * 2009-06-24 2012-10-03 Siemens Aktiengesellschaft Arrangement and method to control the yawing of a wind turbine
DK2386751T3 (en) * 2010-05-12 2016-11-28 Siemens Ag Windmill
US20140356165A1 (en) * 2011-03-14 2014-12-04 Wei Xiong Wind turbine blades with air pressure sensors
US8864462B2 (en) * 2011-03-25 2014-10-21 Frontier Wind, Llc Wind turbine load mitigation device and port configuration

Also Published As

Publication number Publication date
AU2014201464A1 (en) 2014-10-02
CA2845322C (en) 2017-05-23
US20140271186A1 (en) 2014-09-18
KR101561047B1 (ko) 2015-10-19
JP2014181704A (ja) 2014-09-29
US9488157B2 (en) 2016-11-08
EP2778402A2 (en) 2014-09-17
KR20140113515A (ko) 2014-09-24
CA2845322A1 (en) 2014-09-15
EP2778402A3 (en) 2018-02-28
BR102014006252A2 (pt) 2014-12-16

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