WO2008143009A1 - 風力発電装置および風力発電装置のヨー旋回駆動方法 - Google Patents

風力発電装置および風力発電装置のヨー旋回駆動方法 Download PDF

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Publication number
WO2008143009A1
WO2008143009A1 PCT/JP2008/058559 JP2008058559W WO2008143009A1 WO 2008143009 A1 WO2008143009 A1 WO 2008143009A1 JP 2008058559 W JP2008058559 W JP 2008058559W WO 2008143009 A1 WO2008143009 A1 WO 2008143009A1
Authority
WO
WIPO (PCT)
Prior art keywords
wind
driven generator
command value
impeller
rotation drive
Prior art date
Application number
PCT/JP2008/058559
Other languages
English (en)
French (fr)
Inventor
Yoshiyuki Hayashi
Masaaki Shibata
Original Assignee
Mitsubishi Heavy Industries, Ltd.
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 Mitsubishi Heavy Industries, Ltd. filed Critical Mitsubishi Heavy Industries, Ltd.
Priority to AU2008252208A priority Critical patent/AU2008252208B2/en
Priority to EP08764266.6A priority patent/EP2154363B1/en
Priority to CN2008800015071A priority patent/CN101578450B/zh
Priority to US12/517,271 priority patent/US8249754B2/en
Priority to CA2671408A priority patent/CA2671408C/en
Publication of WO2008143009A1 publication Critical patent/WO2008143009A1/ja

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
    • F03D7/04Automatic control; Regulation
    • 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
    • F03D7/04Automatic control; Regulation
    • F03D7/042Automatic control; Regulation by means of an electrical or electronic controller
    • 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
    • F03D1/00Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06Rotors
    • 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
    • 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
    • F03D7/0204Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor for orientation in relation to wind direction
    • 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
    • F05B2260/96Preventing, counteracting or reducing vibration or noise
    • 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
    • F05B2270/103Purpose of the control system to affect the output of the engine
    • F05B2270/1033Power (if explicitly mentioned)
    • 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
    • F05B2270/30Control parameters, e.g. input parameters
    • F05B2270/321Wind directions
    • 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
    • F05B2270/30Control parameters, e.g. input parameters
    • F05B2270/331Mechanical loads
    • 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
    • F05B2270/80Devices generating input signals, e.g. transducers, sensors, cameras or strain gauges
    • F05B2270/804Optical devices
    • 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

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)

Abstract

 ヨー駆動装置の完全または部分削減およびナセル内における消費電力の低減を可能とすることを目的とする。風車タワー軸まわりのモーメントを算出し、該モーメントを相殺するための基準指令値に対して、ヨーまわり制御指令値を加算することにより、風車タワー軸まわりの角度指令値を算出し、風車タワー軸まわりの角度指令値に基づいて、各風車翼のピッチ角度指令値を設定する。
PCT/JP2008/058559 2007-05-21 2008-05-08 風力発電装置および風力発電装置のヨー旋回駆動方法 WO2008143009A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU2008252208A AU2008252208B2 (en) 2007-05-21 2008-05-08 Wind turbine generator and yaw driving method for wind turbine generator
EP08764266.6A EP2154363B1 (en) 2007-05-21 2008-05-08 Wind-driven generator and yaw rotation drive method for wind-driven generator
CN2008800015071A CN101578450B (zh) 2007-05-21 2008-05-08 风力发电装置和风力发电装置的偏摆回转驱动方法
US12/517,271 US8249754B2 (en) 2007-05-21 2008-05-08 Wind turbine generator and yaw driving method for wind turbine generator
CA2671408A CA2671408C (en) 2007-05-21 2008-05-08 Wind turbine generator and yaw driving method for wind turbine generator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007133830A JP4994947B2 (ja) 2007-05-21 2007-05-21 風力発電装置および風力発電装置のヨー旋回駆動方法
JP2007-133830 2007-05-21

Publications (1)

Publication Number Publication Date
WO2008143009A1 true WO2008143009A1 (ja) 2008-11-27

Family

ID=40031721

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/058559 WO2008143009A1 (ja) 2007-05-21 2008-05-08 風力発電装置および風力発電装置のヨー旋回駆動方法

Country Status (9)

Country Link
US (1) US8249754B2 (ja)
EP (1) EP2154363B1 (ja)
JP (1) JP4994947B2 (ja)
KR (1) KR101039215B1 (ja)
CN (1) CN101578450B (ja)
AU (1) AU2008252208B2 (ja)
CA (1) CA2671408C (ja)
TW (1) TW200920940A (ja)
WO (1) WO2008143009A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009026372A1 (de) 2009-08-14 2011-02-17 Ssb Wind Systems Gmbh & Co. Kg Verfahren zum Steuern einer Windkraftanlage
EP2375061A1 (en) * 2010-02-10 2011-10-12 Mitsubishi Heavy Industries, Ltd. Wind-powered electricity generator and method for controlling wind-powered electricity generator
CN102913385A (zh) * 2012-06-08 2013-02-06 北方工业大学 中小型风力发电机组主动偏航控制系统

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4599350B2 (ja) * 2004-02-27 2010-12-15 三菱重工業株式会社 風力発電装置およびそのアクティブ制振方法並びに風車タワー
US20100259045A1 (en) * 2007-10-15 2010-10-14 Suzlon Energy Gmbh Wing Energy Installation with Enhanced Overvoltage Protection
US8786117B2 (en) * 2008-06-13 2014-07-22 General Electric Company Wind turbine sensor assembly and method of assembling the same
US8408871B2 (en) * 2008-06-13 2013-04-02 General Electric Company Method and apparatus for measuring air flow condition at a wind turbine blade
KR101227327B1 (ko) 2009-04-24 2013-01-28 미츠비시 쥬고교 가부시키가이샤 하중 측정 장치 및 방법 및 프로그램
CN101592127B (zh) * 2009-06-22 2011-09-14 浙江运达风电股份有限公司 一种大型风电机组独立变桨控制方法
US8529206B2 (en) 2010-01-27 2013-09-10 Mitsubishi Heavy Industries, Ltd. Wind turbine generator and yaw rotation control method for wind turbine generator
AU2010201706A1 (en) * 2010-02-08 2011-08-25 Mitsubishi Heavy Industries, Ltd. Wind turbine generator and blade pitch angle control method thereof
EP2564056B1 (en) 2010-04-26 2014-03-19 Rahmi Oguz Çapan A turbine
JP4996715B2 (ja) * 2010-06-08 2012-08-08 富士重工業株式会社 水平軸風車
CN102444543B (zh) * 2010-09-30 2013-10-09 华锐风电科技(集团)股份有限公司 判断非必要迎风状况的方法和装置、对风跟踪的方法和系统
EP3581792A1 (en) * 2011-05-03 2019-12-18 Siemens Gamesa Renewable Energy A/S Method of checking a wind turbine in a wind farm for a yaw misalignment, method of monitoring a wind turbine in a wind farm and monitoring apparatus
KR20130073035A (ko) 2011-10-21 2013-07-02 미츠비시 쥬고교 가부시키가이샤 풍력 발전 장치 및 풍력 발전 장치의 요 선회 제어 방법
US8434996B2 (en) 2011-12-06 2013-05-07 General Electric Company System and method for detecting and/or controlling loads in a wind turbine
CN103573552B (zh) 2012-08-02 2016-02-24 通用电气公司 风力涡轮机及其降低转子不平衡的控制方法
US9035231B2 (en) * 2012-08-24 2015-05-19 General Electric Company System and method for monitoring load-related parameters of a wind turbine rotor blade
AU2012388403B2 (en) * 2012-09-20 2015-09-10 Korea Electric Power Corporation Apparatus for monitoring wind turbine blade and method thereof
DE102012110466A1 (de) * 2012-10-31 2014-04-30 2-B Energy B.V. Verfahren zum Betreiben einer Windenergieanlage, Windenergieanlage und Steuerungseinrichtung für eine Windenergieanlage
CH707227A1 (de) * 2012-11-16 2014-05-30 Wepfer Technics Ag Windturbine mit drehbarer Turmkonsole.
KR101654498B1 (ko) * 2012-12-26 2016-09-05 엠에이치아이 베스타스 오프쇼어 윈드 에이/에스 제어 장치 및 방법 그리고 프로그램이 저장된 컴퓨터 판독가능 기록 매체, 그것을 구비한 부체식 풍력 발전 장치
EP2757255A1 (en) 2013-01-21 2014-07-23 Alstom Wind, S.L.U. Method of operating a wind farm
JP5881631B2 (ja) * 2013-02-26 2016-03-09 三菱重工業株式会社 風力発電装置、風力発電装置の制御装置及び制御方法
KR101515377B1 (ko) * 2014-01-27 2015-04-28 디에치이앤이 (주) 수직축 풍력발전 장치
DE102014210949A1 (de) * 2014-06-06 2015-12-17 Wobben Properties Gmbh Windenergieanlage mit optischen Drucksensoren sowie Verfahren zum Betreiben einer Windenergieanlage
KR101722189B1 (ko) * 2015-07-16 2017-03-31 삼성중공업 주식회사 풍력 발전기 및 그 운용방법
JP6405324B2 (ja) * 2016-01-29 2018-10-17 三菱重工業株式会社 風力発電装置及びその運転方法
CN108317043B (zh) * 2017-01-18 2020-02-21 杰能动力工业股份有限公司 风力光电驱动装置
US10781792B2 (en) 2017-05-18 2020-09-22 General Electric Company System and method for controlling a pitch angle of a wind turbine rotor blade
JP2019094886A (ja) * 2017-11-28 2019-06-20 株式会社日立製作所 浮体式洋上風力発電装置
CN109630355B (zh) * 2018-12-10 2021-10-15 济南德明电源设备有限公司 风力发电机自动偏航与变桨的控制方法、控制器及系统
US11193469B2 (en) * 2019-03-19 2021-12-07 2-B Energy B.V. Method for operating a wind turbine, wind turbine, and control means for a wind turbine
CN113494418A (zh) 2020-04-08 2021-10-12 通用电气可再生能源西班牙有限公司 用于减轻作用于风力涡轮的转子叶片的负载的系统和方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001289149A (ja) 2000-04-10 2001-10-19 Mitsubishi Heavy Ind Ltd 風力発電装置のヨー旋回駆動装置および風力発電装置のヨー旋回駆動制御方法
JP2004520531A (ja) * 2001-02-10 2004-07-08 アロイス・ヴォベン 風力装置
WO2006129509A1 (ja) * 2005-05-31 2006-12-07 Fuji Jukogyo Kabushiki Kaisha 水平軸風車

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4297076A (en) * 1979-06-08 1981-10-27 Lockheed Corporation Wind turbine
DE29715248U1 (de) * 1997-08-25 1998-12-24 Institut für Solare Energieversorgungstechnik Verein an der Universität Gesamthochschule Kassel eV, 34119 Kassel Windenergieanlage
CN100398813C (zh) * 2003-02-18 2008-07-02 丹麦理工大学 控制风力涡轮机空气动力负载的方法
NO20041208L (no) * 2004-03-22 2005-09-23 Sway As Fremgangsmate for reduskjon av aksialkraftvariasjoner for rotor samt retningskontroll for vindkraft med aktiv pitchregulering
US7118339B2 (en) * 2004-06-30 2006-10-10 General Electric Company Methods and apparatus for reduction of asymmetric rotor loads in wind turbines
CA2571829A1 (en) 2004-07-23 2006-02-02 Afa Controls, Llc Methods of operating microvalve assemblies and related structures and related devices
AU2007303956B2 (en) * 2006-10-02 2011-12-22 Clipper Windpower, Inc. Wind turbine with blade pitch control to compensate for wind shear and wind misalignment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001289149A (ja) 2000-04-10 2001-10-19 Mitsubishi Heavy Ind Ltd 風力発電装置のヨー旋回駆動装置および風力発電装置のヨー旋回駆動制御方法
JP2004520531A (ja) * 2001-02-10 2004-07-08 アロイス・ヴォベン 風力装置
WO2006129509A1 (ja) * 2005-05-31 2006-12-07 Fuji Jukogyo Kabushiki Kaisha 水平軸風車

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009026372A1 (de) 2009-08-14 2011-02-17 Ssb Wind Systems Gmbh & Co. Kg Verfahren zum Steuern einer Windkraftanlage
WO2011018284A1 (de) 2009-08-14 2011-02-17 Ssb Wind Systems Gmbh & Co. Kg Verfahren zum steuern einer windkraftanlage
EP2375061A1 (en) * 2010-02-10 2011-10-12 Mitsubishi Heavy Industries, Ltd. Wind-powered electricity generator and method for controlling wind-powered electricity generator
EP2375061A4 (en) * 2010-02-10 2014-04-23 Mitsubishi Heavy Ind Ltd WIND ENERGY GENERATOR AND METHOD FOR CONTROLLING THE WIND POWER GENERATOR
CN102913385A (zh) * 2012-06-08 2013-02-06 北方工业大学 中小型风力发电机组主动偏航控制系统

Also Published As

Publication number Publication date
CA2671408C (en) 2011-10-04
CA2671408A1 (en) 2008-11-27
JP2008286156A (ja) 2008-11-27
TWI350341B (ja) 2011-10-11
AU2008252208B2 (en) 2011-04-07
JP4994947B2 (ja) 2012-08-08
US8249754B2 (en) 2012-08-21
EP2154363B1 (en) 2018-03-21
KR101039215B1 (ko) 2011-06-03
CN101578450A (zh) 2009-11-11
KR20090098828A (ko) 2009-09-17
US20100087960A1 (en) 2010-04-08
TW200920940A (en) 2009-05-16
AU2008252208A1 (en) 2008-11-27
EP2154363A4 (en) 2016-11-23
CN101578450B (zh) 2012-06-13
EP2154363A1 (en) 2010-02-17

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