IN2015DN02396A - - Google Patents
Download PDFInfo
- Publication number
- IN2015DN02396A IN2015DN02396A IN2396DEN2015A IN2015DN02396A IN 2015DN02396 A IN2015DN02396 A IN 2015DN02396A IN 2396DEN2015 A IN2396DEN2015 A IN 2396DEN2015A IN 2015DN02396 A IN2015DN02396 A IN 2015DN02396A
- Authority
- IN
- India
- Prior art keywords
- power plant
- wind
- relates
- power
- wind turbines
- Prior art date
Links
- 238000000034 method Methods 0.000 abstract 4
- 238000012423 maintenance Methods 0.000 abstract 1
Classifications
-
- 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
- H02J3/50—Controlling the sharing of the out-of-phase component
-
- 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
-
- 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
- F03D7/048—Automatic control; Regulation by means of an electrical or electronic controller controlling wind farms
-
- 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
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
-
- 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
-
- 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
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
- H02J3/48—Controlling the sharing of the in-phase component
-
- 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
- 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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
-
- 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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/30—Arrangements for balancing of the load in a network by storage of energy using dynamo-electric machines coupled to flywheels
-
- 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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- 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
- Y02E40/30—Reactive power compensation
Landscapes
- 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)
- Supply And Distribution Of Alternating Current (AREA)
- Wind Motors (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DKPA201270570 | 2012-09-17 | ||
| US201261711474P | 2012-10-09 | 2012-10-09 | |
| PCT/DK2013/050276 WO2014071948A1 (en) | 2012-09-17 | 2013-09-03 | A method of determining individual set points in a power plant controller, and a power plant controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN2015DN02396A true IN2015DN02396A (enEXAMPLES) | 2015-09-04 |
Family
ID=59270755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN2396DEN2015 IN2015DN02396A (enEXAMPLES) | 2012-09-17 | 2013-09-03 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9556852B2 (enEXAMPLES) |
| EP (1) | EP2896102B2 (enEXAMPLES) |
| CN (1) | CN104641529B (enEXAMPLES) |
| ES (1) | ES2623437T5 (enEXAMPLES) |
| IN (1) | IN2015DN02396A (enEXAMPLES) |
| WO (1) | WO2014071948A1 (enEXAMPLES) |
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2904684B1 (en) * | 2012-10-08 | 2024-06-12 | Vestas Wind Systems A/S | Controller and method for line reactance compensation |
| CA2829247C (en) * | 2012-10-12 | 2017-03-14 | General Electric Company | System and method for wind power dispatch in a wind farm |
| DE102013210812A1 (de) * | 2013-06-10 | 2014-12-11 | Wobben Properties Gmbh | Verfahren zum Einspeisen elektrischer Leistung in ein elektrisches Versorgungsnetz |
| JP6342203B2 (ja) * | 2014-04-03 | 2018-06-13 | 株式会社東芝 | ウィンドファームの出力制御装置、方法、及びプログラム |
| US9780710B2 (en) * | 2014-04-15 | 2017-10-03 | General Electric Company | Reactive power control for wind turbine generators |
| US10018180B2 (en) * | 2014-05-30 | 2018-07-10 | Vestas Wind Systems A/S | Wind power plant with reduced losses |
| ES2708766T3 (es) * | 2014-11-03 | 2019-04-11 | Vestas Wind Sys As | Método de control de la generación de potencia activa de una planta de generación eólica, y planta de generación eólica |
| EP3241262B1 (en) * | 2014-12-30 | 2020-08-19 | Flexgen Power Systems, Inc. | Transient power stabilization device with active and reactive power control |
| US9458831B2 (en) * | 2015-02-18 | 2016-10-04 | General Electric Company | Determining reactive power capability of a renewable energy system |
| WO2016167816A1 (en) * | 2015-04-11 | 2016-10-20 | Siemens Aktiengesellschaft | Dynamic wind turbine energy storage device |
| ES2900760T3 (es) * | 2015-12-17 | 2022-03-18 | Vestas Wind Sys As | Modulación de salida de planta de energía eólica usando diferentes componentes de modulación de frecuencia para amortiguar oscilaciones de red |
| DE102016103101A1 (de) * | 2016-02-23 | 2017-08-24 | Wobben Properties Gmbh | Verfahren und Windparkregelungsmodul zum Regeln eines Windparks |
| US11125209B2 (en) * | 2016-05-03 | 2021-09-21 | Vestas Wind Systems A/S | Controlling a wind turbine during a low voltage grid event using MPC |
| EP3482068B1 (en) * | 2016-07-06 | 2020-09-02 | Vestas Wind Systems A/S | A wind power plant having a plurality of wind turbine generators and a power plant controller |
| CN110268592B (zh) * | 2016-12-09 | 2022-12-13 | 维斯塔斯风力系统集团公司 | 风力发电厂中无功供电的改进 |
| CN108242819B (zh) * | 2016-12-26 | 2021-01-22 | 北京金风科创风电设备有限公司 | 用于风力发电场的测控装置、系统和方法 |
| DE102017112491A1 (de) | 2017-06-07 | 2018-12-13 | Wobben Properties Gmbh | Verfahren zum Betreiben eines Windparks |
| ES2951573T3 (es) * | 2017-06-07 | 2023-10-24 | Vestas Wind Sys As | Estimación adaptativa de potencia disponible para turbinas eólicas |
| DE102017006452A1 (de) * | 2017-07-07 | 2019-01-10 | Senvion Gmbh | Leistungsreduktion bei mehreren Windenergieanlagen in einem Windpark |
| FR3071620B1 (fr) * | 2017-09-26 | 2020-10-02 | Ge Energy Power Conversion Technology Ltd | Dispositif et procede de test de modules de puissance |
| US10570882B2 (en) | 2017-11-13 | 2020-02-25 | General Electric Company | Dynamic active and reactive power capability for wind farms |
| WO2020051264A1 (en) * | 2018-09-07 | 2020-03-12 | General Electric Company | Reactive power control method for an integrated wind and solar power system |
| TWI692181B (zh) | 2018-10-16 | 2020-04-21 | 財團法人工業技術研究院 | 電力調節系統與電力調節方法 |
| US11916392B2 (en) | 2018-10-17 | 2024-02-27 | Vestas Wind Systems A/S | Current dispatching for power plant control |
| US10804707B2 (en) * | 2018-10-18 | 2020-10-13 | General Electric Company | Systems and methods for dynamic management of wind turbines providing reactive power |
| WO2020125879A1 (en) | 2018-12-18 | 2020-06-25 | Vestas Wind Systems A/S | Levelling of fatigue levels of power generating units of a power plant comprising one or more wind turbine generators |
| ES2956321T3 (es) * | 2018-12-18 | 2023-12-19 | Vestas Wind Sys As | Priorización de unidades de generación de energía de una planta de energía que comprende uno o más generadores de aerogenerador |
| US11067060B2 (en) | 2019-02-27 | 2021-07-20 | General Electric Company | System and method for controlling a hybrid energy facility having multiple power sources |
| US11133679B2 (en) | 2019-02-27 | 2021-09-28 | General Electric Company | System and method for operating a hybrid energy facility having multiple power sources |
| US10978943B2 (en) | 2019-04-03 | 2021-04-13 | General Electric Company | System and method for auto-ramping and energy dump for a superconducting wind turbine generator |
| US11521771B2 (en) | 2019-04-03 | 2022-12-06 | General Electric Company | System for quench protection of superconducting machines, such as a superconducting wind turbine generator |
| US10742149B1 (en) | 2019-04-22 | 2020-08-11 | General Electric Company | System and method for reactive power control of a wind turbine by varying switching frequency of rotor side converter |
| US11056884B2 (en) | 2019-05-06 | 2021-07-06 | General Electric Company | Wind turbine system with integrated reactive power compensation device |
| US10581247B1 (en) * | 2019-05-06 | 2020-03-03 | General Electric Company | System and method for reactive power control of wind turbines in a wind farm supported with auxiliary reactive power compensation |
| US10790668B1 (en) | 2019-05-06 | 2020-09-29 | General Electric Company | Method for reactive power oscillation damping for a wind turbine system with integrated reactive power compensation device |
| US10731628B1 (en) | 2019-05-06 | 2020-08-04 | General Electric Company | System and method for coordinated control of reactive power from a generator and a reactive power compensation device in a wind turbine system |
| US12264651B2 (en) | 2019-06-03 | 2025-04-01 | Vestas Wind Systems A/S | Prioritization of power set-points for power generating units in a power plant |
| DK3754178T3 (da) | 2019-06-17 | 2022-08-22 | Nordex Energy Se & Co Kg | Fremgangsmåde til drift af en vindmøllepark |
| US10975847B1 (en) * | 2019-11-08 | 2021-04-13 | General Electric Company | System and method for farm-level control of transient power boost during frequency events |
| US10989169B1 (en) | 2019-11-15 | 2021-04-27 | General Electric Company | System and method for controlling a wind farm |
| EP3832128A1 (de) * | 2019-12-03 | 2021-06-09 | Wobben Properties GmbH | Verfahren zum steuern eines windparks |
| EP3848575A1 (de) | 2020-01-09 | 2021-07-14 | Nordex Energy SE & Co. KG | Verfahren zum betreiben eines windparks mit einer vielzahl von windenergieanlagen sowie ein entsprechender windpark |
| EP4115487A1 (en) * | 2020-03-03 | 2023-01-11 | General Electric Renovables España S.L. | System and method for controlling a power generating facility |
| US11499524B2 (en) | 2021-02-17 | 2022-11-15 | General Electric Company | System and method for controlling low-speed operations of a wind turbine |
| DE102021118329A1 (de) | 2021-07-15 | 2023-01-19 | Aerodyn Consulting Singapore Pte Ltd | Single-Point-Mooring-Windenergieanlage mit zwei jeweils einen Rotor aufweisenden Windenergiewandlungseinheiten |
| EP4357609A1 (en) * | 2022-10-20 | 2024-04-24 | Siemens Gamesa Renewable Energy A/S | Operating wind turbines in a microgrid |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19948196A1 (de) | 1999-10-06 | 2001-05-17 | Aloys Wobben | Verfahren zum Betrieb eines Windparks |
| US6925363B2 (en) * | 2002-02-01 | 2005-08-02 | Dew Engineering And Development Limited | Power allocation control in an overdemand situation of an airport support system |
| US20070124025A1 (en) | 2005-11-29 | 2007-05-31 | General Electric Company | Windpark turbine control system and method for wind condition estimation and performance optimization |
| DE102006032389A1 (de) | 2006-07-13 | 2008-01-24 | Nordex Energy Gmbh | Windpark sowie Verfahren zum Betreiben eines Windparks |
| US7531911B2 (en) * | 2006-12-22 | 2009-05-12 | Ingeteam Energy, S.A. | Reactive power control for operating a wind farm |
| DE102007036446A1 (de) * | 2007-08-02 | 2009-02-05 | Nordex Energy Gmbh | Verfahren zur Ermittlung einer Regelungsreserve sowie Windenergieanlage mit einer Steuereinheit zur Ermittlung der Regelungsreserve |
| AU2007362449B2 (en) | 2007-12-14 | 2013-06-27 | Mitsubishi Heavy Industries, Ltd. | Wind turbine generator system and operation control method therefor |
| ES2327484B1 (es) * | 2008-01-22 | 2010-08-03 | Acciona Windpower S,A, | Sistema y metodo de control de un parque eolico. |
| US7839024B2 (en) * | 2008-07-29 | 2010-11-23 | General Electric Company | Intra-area master reactive controller for tightly coupled windfarms |
| DE102010006142A1 (de) * | 2010-01-29 | 2011-08-04 | ABE Kunze Betriebsführungs GmbH, 22885 | Energieportal |
| CN102822509B (zh) | 2010-02-25 | 2016-01-20 | 维斯塔斯风力系统集团公司 | 用于控制无功功率源的方法和控制装置 |
| JP5439340B2 (ja) † | 2010-10-29 | 2014-03-12 | 三菱重工業株式会社 | ウインドファームの制御装置、ウインドファーム、及びウインドファームの制御方法 |
| CN104736845B (zh) * | 2012-08-14 | 2017-11-14 | 维斯塔斯风力系统有限公司 | 用于风力涡轮机控制的部分负载降额 |
| ES2609760T3 (es) * | 2012-09-17 | 2017-04-24 | Vestas Wind Systems A/S | Método de determinación de puntos de consigna individuales en un controlador de planta de generación, y un controlador de planta de generación |
-
2013
- 2013-09-03 US US14/428,465 patent/US9556852B2/en active Active
- 2013-09-03 WO PCT/DK2013/050276 patent/WO2014071948A1/en active Application Filing
- 2013-09-03 IN IN2396DEN2015 patent/IN2015DN02396A/en unknown
- 2013-09-03 EP EP13758734.1A patent/EP2896102B2/en active Active
- 2013-09-03 ES ES13758734T patent/ES2623437T5/es active Active
- 2013-09-03 CN CN201380048230.9A patent/CN104641529B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014071948A1 (en) | 2014-05-15 |
| US20150275862A1 (en) | 2015-10-01 |
| EP2896102B2 (en) | 2024-10-30 |
| ES2623437T5 (en) | 2025-03-07 |
| EP2896102B1 (en) | 2017-02-22 |
| US9556852B2 (en) | 2017-01-31 |
| CN104641529B (zh) | 2018-09-18 |
| EP2896102A1 (en) | 2015-07-22 |
| ES2623437T3 (es) | 2017-07-11 |
| CN104641529A (zh) | 2015-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IN2015DN02396A (enEXAMPLES) | ||
| IN2015DN02395A (enEXAMPLES) | ||
| EP2733810A3 (en) | Method of controlling a power network | |
| ZA201207595B (en) | Hydrogen production system for regulating the power at renewable energy elecrtic plants,and a regulation method | |
| IN2013CH04971A (enEXAMPLES) | ||
| AU2010352432A8 (en) | Hydrogen production system for regulating the power at renewable energy electric plants, and a regulation method | |
| WO2014100415A3 (en) | System and method for energy distribution | |
| EP2733812A3 (en) | Method of controlling a power plant | |
| MX358183B (es) | Sistema, metodo y aparato para inyeccion de aire comprimido para motores de turbina de combustion interna. | |
| DK201170427A (en) | Wind turbine anchor element | |
| WO2013041443A3 (en) | Methods of controlling a combined plant including at least one generator and an energy store | |
| WO2011104273A3 (en) | Method and control arrangement for controlling a reactive power source | |
| EP2696463A3 (en) | Wind power generation system, wind power generation control device and wind power generation control method | |
| EP2696067A3 (en) | Wind turbine yaw control within wind farm | |
| NZ713324A (en) | Method for feeding electrical power into an electrical supply network | |
| NZ618358A (en) | Wind energy plant tower | |
| WO2012130761A3 (de) | Windenergieanlage und verfahren zum betreiben einer windenergieanlage | |
| WO2013188517A3 (en) | Power grid photo-voltaic integration using distributed energy storage and management | |
| MY178295A (en) | Energy management system | |
| WO2012051042A3 (en) | Centralized power conditioning | |
| EP2733811A3 (en) | Method of controlling a power plant | |
| UA106401C2 (ru) | Заводское производство опалубок сборных железобетонных блоков для строительства оснований ветрогенераторных установок | |
| MX2016001532A (es) | Metodo para controlar plantas de energia eolica. | |
| WO2009083446A3 (en) | Apparatus and method for controlling reactive power from clusters of wind turbines connected to a utility grid | |
| WO2012160446A3 (en) | High capacity elevator for wind turbine maintenance |