JP2005192395A - 風力装置の運転方法と風力装置 - Google Patents
風力装置の運転方法と風力装置 Download PDFInfo
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- JP2005192395A JP2005192395A JP2005044127A JP2005044127A JP2005192395A JP 2005192395 A JP2005192395 A JP 2005192395A JP 2005044127 A JP2005044127 A JP 2005044127A JP 2005044127 A JP2005044127 A JP 2005044127A JP 2005192395 A JP2005192395 A JP 2005192395A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000010586 diagram Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 1
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- 230000002123 temporal effect Effects 0.000 description 1
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- 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
- 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
- F03D7/0284—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling wind motor output power in relation to the state of the electric grid
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- 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
- F03D7/043—Automatic control; Regulation by means of an electrical or electronic controller characterised by the type of control logic
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- 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
- F03D9/255—Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor
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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
- H02J3/381—Dispersed generators
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- 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
- H02P9/10—Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load
- H02P9/107—Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load for limiting effects of overloads
-
- 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
- H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
- H02P9/26—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices
- H02P9/30—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices using semiconductor devices
- H02P9/305—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices using semiconductor devices controlling voltage
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- 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
- F05B2270/103—Purpose of the control system to affect the output of the engine
- F05B2270/1033—Power (if explicitly mentioned)
-
- 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
- F05B2270/20—Purpose of the control system to optimise the performance of a machine
-
- 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
- F05B2270/337—Electrical grid status parameters, e.g. voltage, frequency or power demand
-
- 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
-
- 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
- H02P2101/00—Special adaptation of control arrangements for generators
- H02P2101/15—Special adaptation of control arrangements for generators for wind-driven turbines
-
- 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
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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)
- Wind Motors (AREA)
Abstract
【解決手段】 風力発電機によって配電網に出力される電力が、配電網の印加配電網電圧に応じて調整される。
【選択図】 図3
Description
4 ロータ
6 配電網
8 電気使用者
10 電気制御調整装置
12 発電機
16 整流器
18 周波数変換器
20 マイクロコンピュータ
Claims (5)
- 配電網(6)、特に配電網(6)に接続された負荷(8)に電力を出力するようにロータによって駆動し得る発電機を含み、又、配電網(6)に印加されている電圧が定格電圧範囲(P1’〜P1)内にある時に最大電力が発電機から配電網(6)に出力され得るように、配電網(6)の定格電圧範囲(P1’〜P1)が最大配電網電圧(Umax)と最小配電網電圧(Umin)の間に設定された風力装置を運転する方法において、
発電機から配電網(6)に出力される電力を、配電網(6)に印加されている電圧の大きさに基づいて制御することにより、配電網(6)に印加されている電圧が、定格電圧範囲(P1’〜P1)の下限(P1’)と最小配電網電圧(Umin)の間にある時、上記最大電力より小さい電力が、配電網(6)の不足電圧保護のために、発電機から配電網(6)に出力されると共に、配電網(6)に印加されている電圧が最小配電網電圧(Umin)以下である時、電力を発電機から配電網(6)に出力せずに風力装置が運転されることを特徴とする方法。 - 発電機から出力されて配電網(6)に供給される電力が、配電網給電点(21)に印加されている電圧の関数として制御される請求項1に記載の方法。
- 配電網給電点(21)に印加されている電圧が、設定自在の周波数を有する交流電圧である請求項2に記載の方法。
- 設定自在の周波数が、配電網周波数に大略対応する請求項3に記載の方法。
- ロータ(4)と、電力を配電網(6)に出力するようにロータ(4)に連結された発電機(12)とを含み、又、配電網(6)に印加されている電圧が定格電圧範囲(P1’〜P1)内にある時に最大電力が発電機(12)から配電網(6)に出力され得るように、配電網(6)の定格電圧範囲(P1’〜P1)が最大配電網電圧(Umax)と最小配電網電圧(Umin)の間に設定された風力装置において、
配電網(6)に印加されている電圧の大きさを検知する検電器を有する制御装置(10)を備え、又、検電器によって検知された配電網(6)に印加されている電圧の大きさに基づいて、制御装置(10)が、発電機(12)から配電網(6)に出力される電力を制御することにより、配電網(6)に印加されている電圧が定格電圧範囲(P1’〜P1)外にある時、発電機(12)から配電網(6)に出力される電力が、上記最大電力から、最小配電網電圧(Umin)以下において零に設定される値まで低減されることを特徴する風力装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19756777A DE19756777B4 (de) | 1997-12-19 | 1997-12-19 | Verfahren zum Betreiben einer Windenergieanlage sowie Windenergieanlage |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000525966A Division JP3901943B2 (ja) | 1997-12-19 | 1998-12-18 | 風力装置の運転方法と風力装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005192395A true JP2005192395A (ja) | 2005-07-14 |
JP3921223B2 JP3921223B2 (ja) | 2007-05-30 |
Family
ID=7852685
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000525966A Expired - Lifetime JP3901943B2 (ja) | 1997-12-19 | 1998-12-18 | 風力装置の運転方法と風力装置 |
JP2005044127A Expired - Lifetime JP3921223B2 (ja) | 1997-12-19 | 2005-02-21 | 風力装置の運転方法と風力装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000525966A Expired - Lifetime JP3901943B2 (ja) | 1997-12-19 | 1998-12-18 | 風力装置の運転方法と風力装置 |
Country Status (13)
Country | Link |
---|---|
US (5) | US6784564B1 (ja) |
EP (4) | EP1394929B1 (ja) |
JP (2) | JP3901943B2 (ja) |
AR (2) | AR017928A1 (ja) |
AT (2) | ATE276600T1 (ja) |
BR (1) | BR9813765A (ja) |
CA (1) | CA2315003C (ja) |
DE (3) | DE19756777B4 (ja) |
DK (3) | DK1394929T3 (ja) |
ES (3) | ES2225376T5 (ja) |
PT (3) | PT1394929E (ja) |
TR (1) | TR200001802T2 (ja) |
WO (1) | WO1999033165A1 (ja) |
Families Citing this family (111)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19756777B4 (de) | 1997-12-19 | 2005-07-21 | Wobben, Aloys, Dipl.-Ing. | Verfahren zum Betreiben einer Windenergieanlage sowie Windenergieanlage |
CA2387113C (en) * | 1999-09-13 | 2003-10-14 | Aloys Wobben | Method for controlling the reactive power and device for generating electrical energy in an electrical network |
DE19961705B4 (de) * | 1999-12-21 | 2005-12-01 | Sma Technologie Ag | Vorrichtung zur dezentralen Einspeisung regenerativer Energie |
DE10019362A1 (de) * | 2000-04-18 | 2001-10-25 | Setec Gmbh | Verfahren für Regelung der durch Windkraftanlagen erzeugten Abgabeleistung an das Energienetz und zur Beeinflußung der Spannungsanhebung insbesondere an schwachen Netzknoten |
DE10022974C2 (de) † | 2000-05-11 | 2003-10-23 | Aloys Wobben | Verfahren zum Betreiben einer Windenergieanlage sowie Windenergieanlage |
DE10058076C2 (de) | 2000-11-23 | 2003-06-12 | Aloys Wobben | Verfahren zur Steuerung einer Windenergieanlage |
DE10059018C2 (de) | 2000-11-28 | 2002-10-24 | Aloys Wobben | Windenergieanlage bzw. Windpark bestehend aus einer Vielzahl von Windenergieanlagen |
SK287212B6 (sk) * | 2001-04-20 | 2010-03-08 | Aloys Wobben | Spôsob prevádzkovania zariadenia veternej elektrárne a zariadenie veternej elektrárne |
DE10119624A1 (de) | 2001-04-20 | 2002-11-21 | Aloys Wobben | Verfahren zum Betreiben einer Windenergieanlage |
AU2012201020B2 (en) * | 2001-04-24 | 2014-11-13 | Aloys Wobben | Method for operating a wind turbine |
DE10136974A1 (de) * | 2001-04-24 | 2002-11-21 | Aloys Wobben | Verfahren zum Betreiben einer Windenergieanlage |
ITBZ20010043A1 (it) | 2001-09-13 | 2003-03-13 | High Technology Invest Bv | Generatore elettrico azionato da energia eolica. |
US7638893B2 (en) * | 2001-09-28 | 2009-12-29 | Aloys Wobben | Method for operating a wind park |
DE50214800D1 (de) * | 2002-09-10 | 2011-01-13 | Dewind Co | Betriebsverfahren für windenergieanlage mit übersynchroner kaskade |
AU2002368205A1 (en) * | 2002-09-13 | 2004-04-30 | Abb Ab | Wind power fed network |
JP4168252B2 (ja) * | 2002-12-27 | 2008-10-22 | 株式会社安川電機 | 発電システムおよびその制御方法 |
ES2402150T3 (es) * | 2003-04-08 | 2013-04-29 | Converteam Gmbh | Turbina eólica para la producción de energía eléctrica y procedimiento de funcionamiento |
DK1467463T3 (en) | 2003-04-09 | 2017-03-27 | Gen Electric | Wind farm and method for operating it |
DE10320087B4 (de) | 2003-05-05 | 2005-04-28 | Aloys Wobben | Verfahren zum Betreiben eines Windparks |
US7233129B2 (en) * | 2003-05-07 | 2007-06-19 | Clipper Windpower Technology, Inc. | Generator with utility fault ride-through capability |
US7042110B2 (en) * | 2003-05-07 | 2006-05-09 | Clipper Windpower Technology, Inc. | Variable speed distributed drive train wind turbine system |
US7528496B2 (en) | 2003-09-03 | 2009-05-05 | Repower Systems Ag | Method for operating or controlling a wind turbine and method for providing primary control power by means of wind turbines |
DE10341504A1 (de) * | 2003-09-03 | 2005-06-09 | Repower Systems Ag | Verfahren zum Betrieb einer Windenergieanlage, Windenergieanlage und Verfahren zur Bereitstellung von Regelleistung mit Windenergieanlagen |
DE10344392A1 (de) * | 2003-09-25 | 2005-06-02 | Repower Systems Ag | Windenergieanlage mit einem Blindleistungsmodul zur Netzstützung und Verfahren dazu |
JP3918837B2 (ja) | 2004-08-06 | 2007-05-23 | 株式会社日立製作所 | 風力発電装置 |
ITBZ20040047A1 (it) | 2004-09-20 | 2004-12-20 | High Technology Invest Bv | Generatore/motore elettrico, in particolare per l'impiego in impianti eolici, impianti a fune o idraulici. |
DE102004048339A1 (de) * | 2004-10-01 | 2006-04-13 | Repower Systems Ag | Windenergeianlage mit Umrichtersteuerung und Verfahren zum Betrieb |
DK1752660T3 (da) * | 2005-08-12 | 2013-06-17 | Gen Electric | Beskyttelsesindretning mod overspænding til en vindmølle |
ITBZ20050063A1 (it) | 2005-11-29 | 2007-05-30 | High Technology Invest Bv | Pacco di lamierini per generatori e motori elettrici e procedimento per la sua attuazione |
ITBZ20050062A1 (it) | 2005-11-29 | 2007-05-30 | High Technology Invest Bv | Rotore a magneti permanenti per generatori e motori elettrici |
WO2007034305A1 (en) | 2005-09-21 | 2007-03-29 | High Techonology Investments, B.V. | Combined labyrinth seal and screw-type gasket bearing sealing arrangement |
DE102005049426B4 (de) * | 2005-10-15 | 2009-12-03 | Nordex Energy Gmbh | Verfahren zum Betreiben einer Windenergieanlage |
US7345373B2 (en) * | 2005-11-29 | 2008-03-18 | General Electric Company | System and method for utility and wind turbine control |
DE102006021982C5 (de) * | 2006-05-10 | 2010-10-07 | Repower Systems Ag | Gestaffelt abschaltbarer Windpark |
DK1914419T3 (en) * | 2006-10-19 | 2015-12-21 | Siemens Ag | Wind energy installation and method for controlling the output power from a wind power installation |
DE102006050509A1 (de) * | 2006-10-26 | 2008-05-08 | Gunnar Kaestle | Verfahren zur geregelten Auskopplung elektrischer Energie aus dem Niederspannungsnetz |
EP2140137B1 (en) * | 2007-04-30 | 2013-04-10 | Vestas Wind Systems A/S | Variable speed wind turbine with doubly-fed induction generator compensated for varying rotor speed |
CN101688518B (zh) * | 2007-05-31 | 2012-09-19 | 维斯塔斯风力系统有限公司 | 可变速度风力涡轮机、谐振控制系统、运行可变速度风力涡轮机的方法、可变速度风力涡轮机中方法的使用以及谐振控制系统的使用 |
US20090055030A1 (en) * | 2007-08-21 | 2009-02-26 | Ingeteam, S.A. | Control of active power reserve in a wind-farm |
DE102007041793B4 (de) * | 2007-09-03 | 2012-05-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren und Vorrichtung zur Bestimmung der Verluste eines Energiewandlers, insbesondere eines Stromrichters oder Synchrongenerators, sowie dazugehöriger Energiewandler |
WO2009078072A1 (ja) * | 2007-12-14 | 2009-06-25 | Mitsubishi Heavy Industries, Ltd. | 風力発電システム及びその運転制御方法 |
DE102008007448A1 (de) | 2008-02-01 | 2009-08-13 | Woodward Seg Gmbh & Co. Kg | Verfahren zum Betreiben einer Windenergieanlage |
ITMI20081122A1 (it) | 2008-06-19 | 2009-12-20 | Rolic Invest Sarl | Generatore eolico provvisto di un impianto di raffreddamento |
US8513826B2 (en) * | 2008-06-26 | 2013-08-20 | Ed Mazur | Wind turbine |
US20090324383A1 (en) * | 2008-06-26 | 2009-12-31 | Ed Mazur | Wind compressor |
NZ590222A (en) | 2008-06-30 | 2013-05-31 | Vestas Wind Sys As | Setting a restricted power output of a wind turbine which is independent of wind speed |
IT1390758B1 (it) | 2008-07-23 | 2011-09-23 | Rolic Invest Sarl | Generatore eolico |
US8030791B2 (en) | 2008-07-31 | 2011-10-04 | Rockwell Automation Technologies, Inc. | Current source converter-based wind energy system |
WO2010018240A1 (es) * | 2008-08-12 | 2010-02-18 | Ingeteam Energy, S.A. | Sistema y método para la gestión de potencia en una instalación fotovoltaica |
DE102008045938A1 (de) | 2008-09-04 | 2010-03-25 | Powerwind Gmbh | Verfahren zum Steuern der Einspeisung elektrischer Leistung einer Windenergieanlage in ein Wechselstromnetz |
DE102008048046A1 (de) * | 2008-09-19 | 2010-04-08 | Siemens Aktiengesellschaft | Vorrichtung und Verfahren zum Betreiben eines elektrischen Verbrauchers |
IT1391939B1 (it) | 2008-11-12 | 2012-02-02 | Rolic Invest Sarl | Generatore eolico |
IT1391770B1 (it) | 2008-11-13 | 2012-01-27 | Rolic Invest Sarl | Generatore eolico per la generazione di energia elettrica |
US20100140937A1 (en) * | 2008-12-31 | 2010-06-10 | Andreas Kirchner | Wind turbine starting |
IT1392804B1 (it) | 2009-01-30 | 2012-03-23 | Rolic Invest Sarl | Imballo e metodo di imballo per pale di generatori eolici |
IT1393937B1 (it) | 2009-04-09 | 2012-05-17 | Rolic Invest Sarl | Aerogeneratore |
IT1393707B1 (it) | 2009-04-29 | 2012-05-08 | Rolic Invest Sarl | Impianto eolico per la generazione di energia elettrica |
IT1394723B1 (it) | 2009-06-10 | 2012-07-13 | Rolic Invest Sarl | Impianto eolico per la generazione di energia elettrica e relativo metodo di controllo |
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 |
IT1395148B1 (it) | 2009-08-07 | 2012-09-05 | Rolic Invest Sarl | Metodo e apparecchiatura di attivazione di una macchina elettrica e macchina elettrica |
US8587160B2 (en) * | 2009-09-04 | 2013-11-19 | Rockwell Automation Technologies, Inc. | Grid fault ride-through for current source converter-based wind energy conversion systems |
US8227929B2 (en) | 2009-09-25 | 2012-07-24 | General Electric Company | Multi-use energy storage for renewable sources |
IT1397081B1 (it) | 2009-11-23 | 2012-12-28 | Rolic Invest Sarl | Impianto eolico per la generazione di energia elettrica |
DK2346135T3 (da) * | 2010-01-14 | 2014-07-14 | Siemens Ag | Omformerindretning og fremgangsmåde til omformning af strøm |
IT1398060B1 (it) | 2010-02-04 | 2013-02-07 | Wilic Sarl | Impianto e metodo di raffreddamento di un generatore elettrico di un aerogeneratore, e aerogeneratore comprendente tale impianto di raffreddamento |
WO2011110193A1 (de) | 2010-03-11 | 2011-09-15 | Powerwind Gmbh | Verfahren zum steuern der einspeisung elektrischer leistung einer windenergieanlage in ein wechselstromnetz |
IT1399201B1 (it) | 2010-03-30 | 2013-04-11 | Wilic Sarl | Aerogeneratore e metodo di rimozione di un cuscinetto da un aerogeneratore |
IT1399511B1 (it) | 2010-04-22 | 2013-04-19 | Wilic Sarl | Generatore elettrico per un aerogeneratore e aerogeneratore equipaggiato con tale generatore elettrico |
KR101303404B1 (ko) * | 2010-08-26 | 2013-09-05 | 미츠비시 쥬고교 가부시키가이샤 | 풍력 발전 장치 및 출력 제어 방법 |
EP2614573B1 (de) | 2010-09-06 | 2015-11-18 | SMA Solar Technology AG | Verfahren zur stabilisierung eines elektrischen versorgungsnetzes |
US8120202B2 (en) * | 2010-10-25 | 2012-02-21 | General Electric Company | Electric power transmission system for wind turbine and wind turbine farm and method for operating same |
ITMI20110377A1 (it) | 2011-03-10 | 2012-09-11 | Wilic Sarl | Macchina elettrica rotante per aerogeneratore |
ITMI20110378A1 (it) | 2011-03-10 | 2012-09-11 | Wilic Sarl | Macchina elettrica rotante per aerogeneratore |
ITMI20110375A1 (it) | 2011-03-10 | 2012-09-11 | Wilic Sarl | Turbina eolica |
DE102011105854B4 (de) | 2011-06-03 | 2013-04-11 | Nordex Energy Gmbh | Verfahren zum Betreiben einer Windenergieanlage bei Auftreten eines Netzfehlers sowie eine solche Windenergieanlage |
US9570909B2 (en) | 2011-07-26 | 2017-02-14 | General Electric Company | Devices and methods for decentralized power loss reduction control |
US8965588B2 (en) | 2011-07-26 | 2015-02-24 | General Electric Company | Devices and methods for decentralized voltage control |
US8838285B2 (en) | 2011-07-26 | 2014-09-16 | General Electric Company | Devices and methods for decentralized power factor control |
US8761954B2 (en) | 2011-07-26 | 2014-06-24 | General Electric Company | Devices and methods for decentralized coordinated volt/VAR control |
US8838284B2 (en) | 2011-07-26 | 2014-09-16 | General Electric Company | Devices and methods for decentralized Volt/VAR control |
DE102011081446A1 (de) | 2011-08-23 | 2013-02-28 | Wobben Properties Gmbh | Verfahren zum Betreiben einer Windenergieanlage |
DE102011083178A1 (de) * | 2011-09-22 | 2013-03-28 | Repower Systems Se | Verfahren zum Betrieb einer Windenergieanlage |
DE102011115189A1 (de) * | 2011-09-28 | 2013-03-28 | Adensis Gmbh | PV-Anlage mit Sicherung gegen Einspeisung in ein öffentliches Stromversorgungsnetz |
DE102011084910A1 (de) | 2011-10-20 | 2013-04-25 | Wobben Properties Gmbh | Verfahren und Vorrichtung zum Einspeisen elektrischen Stroms in ein elektrisches Netz |
US8816625B2 (en) | 2011-10-27 | 2014-08-26 | Rockwell Automation Technologies, Inc. | Integrated regenerative AC drive with solid state precharging |
DE102012204220A1 (de) | 2012-03-16 | 2013-09-19 | Wobben Properties Gmbh | Verfahren zum Steuern einer Anordnung zum Einspeisen elektrischen Stroms in ein Versorgungsnetz |
DE102012212181A1 (de) * | 2012-07-12 | 2014-01-16 | Siemens Aktiengesellschaft | Einspeiseumrichter für eine Stromerzeugungsanlage, insbesondere eine Windkraftanlage |
DE102012212366A1 (de) | 2012-07-13 | 2014-01-30 | Wobben Properties Gmbh | Verfahren zum Steuern eines elektrischen Erzeugers |
DE102012212364A1 (de) | 2012-07-13 | 2014-01-16 | Wobben Properties Gmbh | Verfahren und Vorrichtung zum Einspeisen elektrischer Energie in ein elektrisches Versorgungsnetz |
DE102012212777A1 (de) | 2012-07-20 | 2014-01-23 | Wobben Properties Gmbh | Verfahren zum Steuern eines Windparks |
US8704393B2 (en) * | 2012-08-09 | 2014-04-22 | General Electric Company | System and method for controlling speed and torque of a wind turbine during post-rated wind speed conditions |
US8912674B2 (en) | 2012-10-15 | 2014-12-16 | General Electric Company | System and method of selecting wind turbine generators in a wind park for change of output power |
US8860237B2 (en) | 2012-10-15 | 2014-10-14 | General Electric Company | System and method of selecting wind turbine generators in a wind park for curtailment of output power to provide a wind reserve |
US8941961B2 (en) | 2013-03-14 | 2015-01-27 | Boulder Wind Power, Inc. | Methods and apparatus for protection in a multi-phase machine |
US9083274B2 (en) | 2013-04-08 | 2015-07-14 | Rockwell Automation Technologies, Inc. | Power stage precharging and dynamic braking apparatus for multilevel inverter |
DE102013207255A1 (de) | 2013-04-22 | 2014-10-23 | Wobben Properties Gmbh | Verfahren zum Einspeisen elektrischer Leistung in ein elektrisches Versorgungsnetz |
DE102013207976A1 (de) * | 2013-04-30 | 2014-11-13 | Kaco New Energy Gmbh | Verfahren zum Betreiben eines Photovoltaik(PV)-Wechselrichters und PV-Wechselrichter |
DE102013208410A1 (de) | 2013-05-07 | 2014-11-13 | Wobben Properties Gmbh | Verfahren zum Einspeisen elektrischer Leistung in ein elektrisches Versorgungsnetz |
DE102013210812A1 (de) | 2013-06-10 | 2014-12-11 | Wobben Properties Gmbh | Verfahren zum Einspeisen elektrischer Leistung in ein elektrisches Versorgungsnetz |
US9041327B2 (en) | 2013-06-12 | 2015-05-26 | Rockwell Automation Technologies, Inc. | Method and apparatus for overvoltage protection and reverse motor speed control for motor drive power loss events |
CN103401264B (zh) * | 2013-06-18 | 2015-07-22 | 国家电网公司 | 一种输电网的过负荷调整方法 |
DE102013222452A1 (de) | 2013-11-05 | 2015-05-07 | Wobben Properties Gmbh | Verfahren zum Betreiben einer Windenergieanlage |
US9787210B2 (en) | 2015-01-14 | 2017-10-10 | Rockwell Automation Technologies, Inc. | Precharging apparatus and power converter |
DE102015208554A1 (de) * | 2015-05-07 | 2016-11-10 | Wobben Properties Gmbh | Verfahren zum Betreiben einer Windenergieanlage |
US10256628B2 (en) | 2015-10-23 | 2019-04-09 | Eaton Intelligent Power Limited | Controller and method of controlling power supplied from a small power source to a power grid |
DE102016101468A1 (de) * | 2016-01-27 | 2017-07-27 | Wobben Properties Gmbh | Verfahren zum Einspeisen elektrischer Leistung in ein elektrisches Versorgungsnetz |
DE102016101469A1 (de) * | 2016-01-27 | 2017-07-27 | Wobben Properties Gmbh | Verfahren zum Einspeisen elektrischer Leistung in ein elektrisches Versorgungsnetz |
DE102016105662A1 (de) | 2016-03-29 | 2017-10-05 | Wobben Properties Gmbh | Verfahren zum Einspeisen elektrischer Leistung in ein elektrisches Versorgungsnetz mit einem Windpark sowie Windpark |
DE102016106215A1 (de) | 2016-04-05 | 2017-10-05 | Wobben Properties Gmbh | Verfahren sowie Windenergieanlage zum Einspeisen elektrischer Leistung |
DE102016125953A1 (de) | 2016-12-30 | 2018-07-05 | Wobben Properties Gmbh | Verfahren zum Betreiben eines Windparks |
US11025052B2 (en) | 2018-01-22 | 2021-06-01 | Rockwell Automation Technologies, Inc. | SCR based AC precharge protection |
Family Cites Families (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US694627A (en) * | 1900-02-06 | 1902-03-04 | Standard Sanitary Mfg Co | Automatic flushing-tank. |
DE368799C (de) * | 1921-03-17 | 1923-02-08 | Richard Bosselmann | Anordnung zur Anwendung der Regelvorrichtung fuer Windradantrieb |
US4095120A (en) * | 1976-10-22 | 1978-06-13 | Louis Michael Glick | Load control for wind-driven electric generators |
US4333021A (en) * | 1980-05-12 | 1982-06-01 | The United States Of America As Represented By The United States Department Of Energy | Transient stability enhancement of electric power generating systems by 120-degree phase rotation |
US4400659A (en) * | 1980-05-30 | 1983-08-23 | Benjamin Barron | Methods and apparatus for maximizing and stabilizing electric power derived from wind driven source |
DE3023195A1 (de) * | 1980-06-18 | 1981-12-24 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Photovoltaisches energieversorgungssystem |
DE3438893A1 (de) | 1984-10-24 | 1986-04-24 | Arno Dipl.-Ing. 6301 Rabenau Eichmann | Stromerzeugungsanlage |
US4695736A (en) * | 1985-11-18 | 1987-09-22 | United Technologies Corporation | Variable speed wind turbine |
US4812729A (en) * | 1986-08-19 | 1989-03-14 | Hitachi Ltd. | Protecting apparatus for secondary excitation type variable speed AC generator/motor |
US4895736A (en) * | 1987-09-02 | 1990-01-23 | Ajax Magnethermic Corp. | Method for alloying of coatings |
US5086039A (en) * | 1988-06-09 | 1992-02-04 | Allelix Biopharmaceuticals, Inc. | Pharmaceutical compositions and use thereof in treating inflammation |
DE3833719C1 (ja) * | 1988-07-01 | 1989-10-19 | Loher Ag, 8399 Ruhstorf, De | |
US4994684A (en) | 1989-01-30 | 1991-02-19 | The State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Oregon State University | Doubly fed generator variable speed generation control system |
US5278773A (en) | 1990-09-10 | 1994-01-11 | Zond Systems Inc. | Control systems for controlling a wind turbine |
US5083039B1 (en) | 1991-02-01 | 1999-11-16 | Zond Energy Systems Inc | Variable speed wind turbine |
AU3148893A (en) * | 1991-11-27 | 1993-06-28 | U.S. Windpower, Inc. | Variable speed wind turbine with reduced power fluctuation and a static var mode of operation |
US5187427A (en) | 1991-11-27 | 1993-02-16 | U.S. Windpower, Inc. | Static reactive power compensator |
JP3262571B2 (ja) * | 1991-12-25 | 2002-03-04 | マツダ株式会社 | オルタネータ制御装置 |
US5422561A (en) | 1992-11-23 | 1995-06-06 | Southern California Edison Company | Automated voltage and VAR control in power transmission and distribution networks |
JP3348944B2 (ja) | 1993-12-27 | 2002-11-20 | 株式会社東芝 | 巻線形誘導機の制御装置 |
DE4428085A1 (de) * | 1994-08-09 | 1996-02-15 | Rainer Dr Thamm | Verfahren zur steuerbaren, im Mittelwert zeitlich konstanten Energieübertragung von einer Windenergieanlage mit Asynchrongenerator in übersynchronem Betrieb in ein Netz mit konstanten Parametern |
WO1997004521A1 (en) * | 1995-07-18 | 1997-02-06 | Midwest Research Institute | A variable speed wind turbine generator system with zero-sequence filter |
DE29621449U1 (de) | 1996-12-10 | 1997-02-06 | AE. STEU GmbH, 31737 Rinteln | Vorrichtung zur Verbesserung der Netzverträglichkeit von Windkraftanlagen mit Asynchrongerneratoren |
US6137187A (en) * | 1997-08-08 | 2000-10-24 | Zond Energy Systems, Inc. | Variable speed wind turbine generator |
US6600240B2 (en) * | 1997-08-08 | 2003-07-29 | General Electric Company | Variable speed wind turbine generator |
DE19756777B4 (de) | 1997-12-19 | 2005-07-21 | Wobben, Aloys, Dipl.-Ing. | Verfahren zum Betreiben einer Windenergieanlage sowie Windenergieanlage |
US6958550B2 (en) * | 1998-04-02 | 2005-10-25 | Capstone Turbine Corporation | Method and system for control of turbogenerator power and temperature |
CA2387113C (en) * | 1999-09-13 | 2003-10-14 | Aloys Wobben | Method for controlling the reactive power and device for generating electrical energy in an electrical network |
DE19948196A1 (de) * | 1999-10-06 | 2001-05-17 | Aloys Wobben | Verfahren zum Betrieb eines Windparks |
DE10059018C2 (de) * | 2000-11-28 | 2002-10-24 | Aloys Wobben | Windenergieanlage bzw. Windpark bestehend aus einer Vielzahl von Windenergieanlagen |
DE10114075B4 (de) * | 2001-03-22 | 2005-08-18 | Semikron Elektronik Gmbh | Stromrichterschaltungsanordnung für Generatoren mit dynamisch veränderlicher Leistungsabgabe |
DE10119624A1 (de) * | 2001-04-20 | 2002-11-21 | Aloys Wobben | Verfahren zum Betreiben einer Windenergieanlage |
SK287212B6 (sk) * | 2001-04-20 | 2010-03-08 | Aloys Wobben | Spôsob prevádzkovania zariadenia veternej elektrárne a zariadenie veternej elektrárne |
DE10136974A1 (de) * | 2001-04-24 | 2002-11-21 | Aloys Wobben | Verfahren zum Betreiben einer Windenergieanlage |
US7015595B2 (en) * | 2002-02-11 | 2006-03-21 | Vestas Wind Systems A/S | Variable speed wind turbine having a passive grid side rectifier with scalar power control and dependent pitch control |
DE10232423A1 (de) * | 2002-07-17 | 2004-01-29 | Ge Wind Energy Gmbh | Verfahren zum Betreiben einer Windenergieanlage und Windenergieanlage zum Ausführen derartiger Verfahren |
DE50214800D1 (de) * | 2002-09-10 | 2011-01-13 | Dewind Co | Betriebsverfahren für windenergieanlage mit übersynchroner kaskade |
JP4269941B2 (ja) * | 2004-01-08 | 2009-05-27 | 株式会社日立製作所 | 風力発電装置およびその制御方法 |
JP4561518B2 (ja) * | 2005-07-27 | 2010-10-13 | 株式会社日立製作所 | 交流励磁同期発電機を用いた発電装置とその制御方法。 |
US7554302B2 (en) * | 2005-09-16 | 2009-06-30 | Satcon Technology Corporation | Slip-controlled, wound-rotor induction machine for wind turbine and other applications |
US7372174B2 (en) * | 2005-11-11 | 2008-05-13 | Converteam Ltd | Power converters |
US7514809B2 (en) * | 2006-11-16 | 2009-04-07 | General Electric Company | Excitation voltage supply for synchronous generator used in a wind turbine, and method of starting a wind turbine having such excitation voltage supply |
-
1997
- 1997-12-19 DE DE19756777A patent/DE19756777B4/de not_active Expired - Lifetime
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