KR101902309B1 - 폴트-라이드-쓰루 방법, 컨버터 및 풍력 발전용 터빈을 위한 전력 생성 유닛 - Google Patents

폴트-라이드-쓰루 방법, 컨버터 및 풍력 발전용 터빈을 위한 전력 생성 유닛 Download PDF

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KR101902309B1
KR101902309B1 KR1020110130881A KR20110130881A KR101902309B1 KR 101902309 B1 KR101902309 B1 KR 101902309B1 KR 1020110130881 A KR1020110130881 A KR 1020110130881A KR 20110130881 A KR20110130881 A KR 20110130881A KR 101902309 B1 KR101902309 B1 KR 101902309B1
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power
fault
ride
network
effective
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KR20120064051A (ko
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외르겐 니가르드 닐센
얀 티스테드
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지멘스 악티엔게젤샤프트
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for AC mains or AC distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for AC mains or AC distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381—Dispersed generators
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/24—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage
    • H02H3/247—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage having timing means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for AC mains or AC distribution networks
    • H02J3/001—Methods to deal with contingencies, e.g. abnormalities, faults or failures
    • H02J3/0012—Contingency detection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for AC mains or AC distribution networks
    • H02J3/001—Methods to deal with contingencies, e.g. abnormalities, faults or failures
    • H02J3/00125—Transmission line or load transient problems, e.g. overvoltage, resonance or self-excitation of inductive loads
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • H02P9/04—Control effected upon non-electric prime mover and dependent upon electric output value of the generator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
    • H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/28—The renewable source being 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
    • 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
    • Y02E10/76—Power conversion electric or electronic aspects
    • 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
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
    • 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
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security

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  • Engineering & Computer Science (AREA)
  • Power Engineering (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)
  • Control Of Eletrric Generators (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
KR1020110130881A 2010-12-08 2011-12-08 폴트-라이드-쓰루 방법, 컨버터 및 풍력 발전용 터빈을 위한 전력 생성 유닛 Active KR101902309B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP10194143.3A EP2463979B1 (en) 2010-12-08 2010-12-08 Fault-ride-through method, converter and power generating unit for a wind turbine
EP10194143 2010-12-08

Publications (2)

Publication Number Publication Date
KR20120064051A KR20120064051A (ko) 2012-06-18
KR101902309B1 true KR101902309B1 (ko) 2018-09-28

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KR1020110130881A Active KR101902309B1 (ko) 2010-12-08 2011-12-08 폴트-라이드-쓰루 방법, 컨버터 및 풍력 발전용 터빈을 위한 전력 생성 유닛

Country Status (9)

Country Link
US (1) US8874424B2 (enExample)
EP (1) EP2463979B1 (enExample)
JP (1) JP5950558B2 (enExample)
KR (1) KR101902309B1 (enExample)
CN (1) CN102570496B (enExample)
AU (1) AU2011239216A1 (enExample)
BR (1) BRPI1105720B1 (enExample)
CA (1) CA2760888C (enExample)
DK (1) DK2463979T3 (enExample)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3918837B2 (ja) * 2004-08-06 2007-05-23 株式会社日立製作所 風力発電装置
CN101517228B (zh) * 2006-09-14 2012-10-03 维斯塔斯风力系统有限公司 控制连接到市电网的风力涡轮机的方法、风力涡轮机与风电厂
US9631608B2 (en) 2012-06-12 2017-04-25 Vestas Wind Systems A/S Wind-power-plant control upon low-voltage grid faults
DE102012212366A1 (de) 2012-07-13 2014-01-30 Wobben Properties Gmbh Verfahren zum Steuern eines elektrischen Erzeugers
CN102818951B (zh) * 2012-07-27 2015-02-04 国电联合动力技术有限公司 在线测量风电机组变流器性能指标的方法、系统和装置
EP2867970B1 (en) 2012-10-12 2017-04-12 Siemens Aktiengesellschaft Method and controller for continuously operating a plurality of electric energy generating machines during a high voltage condition
EP2918810B1 (en) * 2012-11-07 2020-03-04 Mitsubishi Hitachi Power Systems, Ltd. Gas turbine power generation equipment
EP2957012B1 (en) * 2013-02-15 2017-05-03 Vestas Wind Systems A/S A method of operating a wind turbine plant
US9425726B2 (en) * 2013-06-25 2016-08-23 Masdar Institute Of Science And Technology Fault-tolerant wind energy conversion system
EP3061170B1 (en) 2013-10-21 2020-09-16 Vestas Wind Systems A/S A method for controlling a wind power plant and a wind power plant
US10113533B2 (en) 2014-09-05 2018-10-30 General Electric Company System and method for reducing wind turbine oscillations caused by grid faults
ES2811843T3 (es) * 2014-10-24 2021-03-15 Vestas Wind Sys As Método para operar una planta de energía eólica en un entorno de red de distribución débil y una planta de energía eólica
JP6923296B2 (ja) * 2016-07-05 2021-08-18 株式会社日立製作所 風力発電設備とその運転方法およびウィンドファーム
EP3631930B1 (en) * 2017-05-31 2021-10-27 Vestas Wind Systems A/S Improvements relating to voltage control in renewable power plants
DE102017113006A1 (de) * 2017-06-13 2018-12-13 Wobben Properties Gmbh Verfahren zum Einspeisen elektrischer Leistung in ein elektrisches Versorgungsnetz mittels einer umrichtergeführten Einspeisevorrichtung
US11171487B2 (en) * 2017-09-13 2021-11-09 Vestas Wind Systems A/S Voltage control in wind power plants
US10570882B2 (en) * 2017-11-13 2020-02-25 General Electric Company Dynamic active and reactive power capability for wind farms
EP3729589B1 (en) 2017-12-20 2022-01-05 Vestas Wind Systems A/S Adaptive active power control in renewable energy power plants
CN109755966B (zh) * 2019-03-25 2020-08-04 哈尔滨工业大学 大规模海上风电经柔性直流外送的协同故障穿越方法
US10855079B1 (en) * 2019-07-19 2020-12-01 General Electric Company System and method for reducing oscillations in a renewable energy power system
DK3772172T3 (da) 2019-07-31 2022-12-05 Gen Electric En fremgangsmåde til drift af en vindmølle og en vindmølle der omfatter en generator i tilfælde af et spændingsfald
EP3779182A1 (en) 2019-08-14 2021-02-17 Siemens Gamesa Renewable Energy A/S Method for computer-implemented determination of control parameters for a turbine
CN113325246A (zh) * 2020-12-15 2021-08-31 新疆金风科技股份有限公司 低电压穿越检测方法及装置
CN113162060B (zh) * 2021-03-17 2022-10-04 武汉工程大学 一种基于机会约束优化的主动配电网两阶段无功调节方法
EP4261409A1 (en) * 2022-04-12 2023-10-18 Siemens Gamesa Renewable Energy Innovation & Technology S.L. Method for controlling the operation of a wind turbine and wind turbine
US12009659B1 (en) * 2023-05-30 2024-06-11 North China Electric Power University System and method of fault analysis of inverter-interfaced renewable energy source considering decoupled sequence control

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090250931A1 (en) * 2008-04-02 2009-10-08 Nordex Energy Gmbh Method for operating a wind energy plant with a doubly-fed asynchronous machine and wind energy plant with a doubly-fed asynchronous machine
WO2010002402A1 (en) 2008-07-02 2010-01-07 American Superconductor Corporation Low voltage ride through
CN101728836A (zh) * 2008-07-01 2010-06-09 美国超导体公司 用于将风力涡轮发电机连接到公用电力网的系统

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6858953B2 (en) * 2002-12-20 2005-02-22 Hawaiian Electric Company, Inc. Power control interface between a wind farm and a power transmission system
CN100420118C (zh) * 2003-09-23 2008-09-17 艾劳埃斯·乌本 风力设备及其操作方法
DE10344392A1 (de) * 2003-09-25 2005-06-02 Repower Systems Ag Windenergieanlage mit einem Blindleistungsmodul zur Netzstützung und Verfahren dazu
CN101278453B (zh) * 2005-08-30 2012-09-05 Abb研究有限公司 具有甩负荷和功率变换器的风车功率流控制设备和方法
KR100886194B1 (ko) * 2007-06-08 2009-02-27 한국전기연구원 계통 연계형 고압 권선형 유도 발전기 제어 장치
ES2430046T3 (es) * 2007-12-28 2013-11-18 Vestas Wind Systems A/S Aparato y procedimiento para hacer funcionar una turbina eólica en condiciones de voltaje de red de suministro bajo
US20120104754A1 (en) * 2009-01-30 2012-05-03 Georg Rudolf Wind turbine with lvrt capabilities
ES2776948T3 (es) * 2009-06-30 2020-08-03 Vestas Wind Sys As Turbina eólica con medios de control para la gestión de la potencia durante fallas de la red de distribución
DE102009027981B4 (de) * 2009-07-23 2011-04-28 Suzlon Energy Gmbh Verfahren zum Betreiben einer an einem Stromnetz angeschlossenen Windturbine sowie zur Durchführung des Verfahrens geeignete Windturbine
US8692523B2 (en) * 2009-11-04 2014-04-08 General Electric Company Power generation system and method with voltage fault ride-through capability
JP5167365B2 (ja) * 2010-05-28 2013-03-21 三菱重工業株式会社 監視制御装置及び方法並びにそれを備えたウィンドファーム
WO2012062323A2 (en) * 2010-11-10 2012-05-18 Vestas Wind Systems A/S Method and system for operating a wind turbine
EP2478218B1 (en) * 2010-11-30 2018-10-24 Mitsubishi Heavy Industries, Ltd. Wind turbine generator system and operation control method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090250931A1 (en) * 2008-04-02 2009-10-08 Nordex Energy Gmbh Method for operating a wind energy plant with a doubly-fed asynchronous machine and wind energy plant with a doubly-fed asynchronous machine
CN101728836A (zh) * 2008-07-01 2010-06-09 美国超导体公司 用于将风力涡轮发电机连接到公用电力网的系统
WO2010002402A1 (en) 2008-07-02 2010-01-07 American Superconductor Corporation Low voltage ride through

Also Published As

Publication number Publication date
AU2011239216A1 (en) 2012-06-28
CN102570496A (zh) 2012-07-11
US20120150524A1 (en) 2012-06-14
CA2760888A1 (en) 2012-06-08
EP2463979B1 (en) 2022-05-11
US8874424B2 (en) 2014-10-28
EP2463979A1 (en) 2012-06-13
CA2760888C (en) 2019-01-08
BRPI1105720B1 (pt) 2020-04-14
KR20120064051A (ko) 2012-06-18
JP2012125144A (ja) 2012-06-28
BRPI1105720A2 (pt) 2015-12-01
CN102570496B (zh) 2015-10-28
JP5950558B2 (ja) 2016-07-13
DK2463979T3 (da) 2022-07-04

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