"cut-off" or "shut-down" wind speed

Industry

CPC
F05B2270/3201

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F05Engines, pumps F05BINDEXING SCHEME RELATING TO MACHINES OR ENGINES OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS, TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY F05B2270/00Control

Current Industry

F05B2270/3201"cut-off" or "shut-down" wind speed

Industries

Patents Grantslast 30 patents

Information Patent Grant
Operating a wind turbine during service
- Patent number 11,746,756
- Issue date Sep 5, 2023
- Vestas Wind Systems A/S
- Søren Dalsgaard
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Stabilized horizontal-axis wind turbine
- Patent number 11,560,876
- Issue date Jan 24, 2023
- George J. Syrovy
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Method and apparatus for self-adaption of a cut-out strategy
- Patent number 11,486,357
- Issue date Nov 1, 2022
- Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd.
- Cheng Fang
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Method for detecting irregular turbine operation using direct and i...
- Patent number 11,473,560
- Issue date Oct 18, 2022
- General Electric Company
- Hartmut Scholte-Wassink
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Reduced power operation of a wind turbine
- Patent number 11,353,005
- Issue date Jun 7, 2022
- Wobben Properties GmbH
- Ralf Messing
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Method for controlling wind power plants
- Patent number 10,724,500
- Issue date Jul 28, 2020
- Wobben Properties GmbH
- Alfred Beekmann
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Rotor blade control for high winds
- Patent number 10,662,924
- Issue date May 26, 2020
- Vestas Wind Systems A/S
- Fabio Caponetti
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Method and device for operating a wind turbine
- Patent number 10,612,518
- Issue date Apr 7, 2020
- Nordex Energy GmbH
- Michael Niss
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
System and method for micrositing a wind farm for loads optimization
- Patent number 10,598,151
- Issue date Mar 24, 2020
- General Electric Company
- Vikas Saxena
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
System and method for protecting wind turbines during wind gusts
- Patent number 10,570,883
- Issue date Feb 25, 2020
- General Electric Company
- Venkata Krishna Vadlamudi
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Control method for a wind turbine
- Patent number 10,495,061
- Issue date Dec 3, 2019
- Vestas Wind Systems A/S
- Erik Carl Lehnskov Miranda
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Wind power generating device of transportation vehicle
- Patent number 10,443,568
- Issue date Oct 15, 2019
- Shou-Hsun Lee
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Wind turbine
- Patent number 10,400,749
- Issue date Sep 3, 2019
- Vestas Wind Systems A/S
- Chris Spruce
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Method for controlling a rotational speed threshold of a wind turbi...
- Patent number 10,288,037
- Issue date May 14, 2019
- SENVION GMBH
- Nicolai Cosack
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Wind turbine control system with boost based on upstream wind speed
- Patent number 10,253,757
- Issue date Apr 9, 2019
- Vestas Wind Systems A/S
- Alex Pericleous
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Wind farm and a method of operating a wind farm
- Patent number 10,012,214
- Issue date Jul 3, 2018
- Vestas Wind Systems A/S
- Martin Ansbjerg Kjær
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Anti-windmilling starter generator
- Patent number 9,885,288
- Issue date Feb 6, 2018
- Hamilton Sundstrand Corporation
- Jay M. Francisco
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Anti-windmilling starter generator
- Patent number 9,745,897
- Issue date Aug 29, 2017
- Hamilton Sundstrand Corporation
- Jay M. Francisco
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Method of operating a wind turbine
- Patent number 9,739,264
- Issue date Aug 22, 2017
- Alstom Renewable Technologies
- Jon Boyra Eizaguirre
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Method for operating a wind turbine
- Patent number 9,587,628
- Issue date Mar 7, 2017
- General Electric Company
- Kasibhatla Satish Narayana
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Controller for wind turbine generator, wind turbine generator, and...
- Patent number 9,222,464
- Issue date Dec 29, 2015
- Mitsubishi Heavy Industries, Ltd.
- Yoshihiro Tanabe
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Method to control the operation of a wind turbine
- Patent number 9,140,238
- Issue date Sep 22, 2015
- Siemens Aktiengesellschaft
- Martin Huus Bjerge
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
System and method for correcting nacelle wind velocity of wind powe...
- Patent number 9,103,318
- Issue date Aug 11, 2015
- Samsung Heavy Ind. Co., Ltd.
- Kihyun Kim
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Wind power generating system and method for controlling the same
- Patent number 8,901,762
- Issue date Dec 2, 2014
- Delta Electronics, Inc.
- Chih-Hung Hsiao
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Upwind wind turbine and operation method thereof
- Patent number 8,753,080
- Issue date Jun 17, 2014
- Kawasaki Jukogyo Kabushiki Kaisha
- Masafumi Morimoto
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Wind turbine having an active pitch angle control during an idling...
- Patent number 8,680,700
- Issue date Mar 25, 2014
- Gamesa Innovation & Technology, S.L.
- Enrique Gomez De Las Heras Carbonell
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Method for the operation of a wind turbine, and wind turbine for ca...
- Patent number 8,386,085
- Issue date Feb 26, 2013
- Nordex Energy GmbH
- Holger Schwarze
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Wind farm capable of staggered disconnection
- Patent number 8,335,594
- Issue date Dec 18, 2012
- Repower Systems AG
- Jens Altemark
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Wind turbine generator system including controller that performs cu...
- Patent number 8,198,741
- Issue date Jun 12, 2012
- Mitsubishi Heavy Industries, Ltd.
- Mitsuyoshi Fukuda
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Wind turbine generator and method of controlling the same
- Patent number 8,157,521
- Issue date Apr 17, 2012
- Mitsubishi Heavy Industries, Ltd.
- Tohru Minami
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

Information Patent Application
ENERGY PRODUCTION LOSS DUE TO HIGH WIND HYSTERESIS CONTROL
- Publication number 20230220831
- Publication date Jul 13, 2023
- VESTAS WIND SYSTEMS A/S
- Jens Kusk Block
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
METHOD FOR CONTROLLING WIND TURBINES OF A WIND PARK USING A TRAINED...
- Publication number 20230089046
- Publication date Mar 23, 2023
- VESTAS WIND SYSTEMS A/S
- Morten Tim Thorsen
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
METHOD AND SYSTEM FOR CONTROLLING A WIND TURBINE
- Publication number 20220112878
- Publication date Apr 14, 2022
- SIEMENS GAMESA RENEWABLE ENERGY SERVICE GMBH
- Svenja Wortmann
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
METHOD AND APPARATUS FOR SELF-ADAPTION OF A CUT-OUT STRATEGY
- Publication number 20210372370
- Publication date Dec 2, 2021
- BEIJING GOLDWIND SCIENCE & CREATION WINDPOWER EQUIPMENT CO., LTD.
- Cheng FANG
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
OPERATING A WIND TURBINE DURING SERVICE
- Publication number 20210301794
- Publication date Sep 30, 2021
- VESTAS WIND SYSTEMS A/S
- Søren DALSGAARD
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
REDUCED POWER OPERATION OF A WIND TURBINE
- Publication number 20210115898
- Publication date Apr 22, 2021
- Ralf MESSING
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Method for Detecting Irregular Turbine Operation Using Direct and I...
- Publication number 20210047996
- Publication date Feb 18, 2021
- GENERAL ELECTRIC COMPANY
- Hartmut Scholte-Wassink
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
System and Method for Protecting Wind Turbines During Wind Gusts
- Publication number 20190195199
- Publication date Jun 27, 2019
- GENERAL ELECTRIC COMPANY
- Venkata Krishna Vadlamudi
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
WIND TURBINE GENERATOR CONTROL METHOD AND SYSTEM
- Publication number 20180335017
- Publication date Nov 22, 2018
- VESTAS WIND SYSTEMS A/S
- John Godsk NIELSEN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEM AND METHOD FOR MICROSITING A WIND FARM FOR LOADS OPTIMIZATION
- Publication number 20170342961
- Publication date Nov 30, 2017
- GENERAL ELECTRIC COMPANY
- Vikas Saxena
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Anti-Windmilling Starter Generator
- Publication number 20170321610
- Publication date Nov 9, 2017
- HAMILTON SUNDSTRAND CORPORATION
- Jay M. Francisco
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CONTROL METHOD FOR A WIND TURBINE
- Publication number 20170074245
- Publication date Mar 16, 2017
- VESTAS WIND SYSTEMS A/S
- Erik Carl Lehnskov MIRANDA
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
ROTOR BLADE CONTROL FOR HIGH WINDS
- Publication number 20160305402
- Publication date Oct 20, 2016
- VESTAS WIND SYSTEMS A/S
- Fabio CAPONETTI
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
DEVICE AND METHOD FOR PROTECTING A WIND GENERATOR IN THE EVENT OF V...
- Publication number 20140367968
- Publication date Dec 18, 2014
- Pascal Cuzenard
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
METHOD OF OPERATING A WIND TURBINE
- Publication number 20140308126
- Publication date Oct 16, 2014
- Jon Boyra Eizaguirre
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
WIND FARM AND A METHOD OF OPERATING A WIND FARM
- Publication number 20140110941
- Publication date Apr 24, 2014
- VESTAS WIND SYSTEMS A/S
- Martin Ansbjerg Kjær
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
SYSTEM AND METHOD FOR CORRECTING NACELLE WIND VELOCITY OF WIND POWE...
- Publication number 20130320676
- Publication date Dec 5, 2013
- SAMSUNG HEAVY IND. CO., LTD.
- Kihyun Kim
- G01 - MEASURING TESTING
Information Patent Application
WIND POWER GENERATING SYSTEM
- Publication number 20130264822
- Publication date Oct 10, 2013
- Chih-Hung HSIAO
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
WIND TURBINE GENERATOR SYSTEM AND OPERATION CONTROL METHOD THEREOF
- Publication number 20130234433
- Publication date Sep 12, 2013
- Mitsubishi Heavy Industries, Ltd.
- Kazuhisa Tsutsumi
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Method to control the operation of a wind turbine
- Publication number 20130234437
- Publication date Sep 12, 2013
- Martin Huus Bjerge
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
WIND POWER GENERATING SYSTEM AND METHOD FOR CONTROLLING THE SAME
- Publication number 20130161950
- Publication date Jun 27, 2013
- Chih-Hung HSIAO
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
WIND TURBINE
- Publication number 20130134711
- Publication date May 30, 2013
- VESTAS WIND SYSTEMS A/S
- Chris Spruce
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
WIND TURBINE
- Publication number 20130129508
- Publication date May 23, 2013
- VESTAS WIND SYSTEMS A/S
- Chris Spruce
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
CONTROLLER FOR WIND TURBINE GENERATOR, WIND TURBINE GENERATOR, AND...
- Publication number 20120211982
- Publication date Aug 23, 2012
- Mitsubishi Heavy Industries, Ltd.
- Yoshihiro TANABE
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
ANTI-WINDMILLING STARTER GENERATOR
- Publication number 20120180498
- Publication date Jul 19, 2012
- Jay M. Francisco
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
WIND TURBINE HAVING AN ACTIVE PITCH ANGLE CONTROL DURING AN IDLING...
- Publication number 20120104757
- Publication date May 3, 2012
- GAMESA INNOVATION & TECHNOLOGY, S.L..
- Enrique Gomez De Las Heras Carbonell
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
WIND TURBINE GENERATOR AND METHOD OF CONTROLING THE SAME
- Publication number 20110215576
- Publication date Sep 8, 2011
- MITSUBISHI HEAVY INDUSTIRES, LTD.
- Tohru Minami
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
SYSTEM, DEVICE, AND METHOD FOR WIND TURBINE LOAD REDUCTION IN A COL...
- Publication number 20110133457
- Publication date Jun 9, 2011
- Till Hoffmann
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
METHOD FOR THE OPERATION OF A WIND TURBINE, AND WIND TURBINE FOR CA...
- Publication number 20100320761
- Publication date Dec 23, 2010
- Nordex Energy GmbH
- Holger Schwarze
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
UPWIND WIND TURBINE AND OPERATION METHOD THEREOF
- Publication number 20100301607
- Publication date Dec 2, 2010
- KAWASAKI JUKOGYO KABUSHIKI KAISHA
- Masafumi Morimoto
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

"cut-off" or "shut-down" wind speed

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Operating a wind turbine during service

Stabilized horizontal-axis wind turbine

Method and apparatus for self-adaption of a cut-out strategy

Method for detecting irregular turbine operation using direct and i...

Reduced power operation of a wind turbine

Method for controlling wind power plants

Rotor blade control for high winds

Method and device for operating a wind turbine

System and method for micrositing a wind farm for loads optimization

System and method for protecting wind turbines during wind gusts

Control method for a wind turbine

Wind power generating device of transportation vehicle

Wind turbine

Method for controlling a rotational speed threshold of a wind turbi...

Wind turbine control system with boost based on upstream wind speed

Wind farm and a method of operating a wind farm

Anti-windmilling starter generator

Anti-windmilling starter generator

Method of operating a wind turbine

Method for operating a wind turbine

Controller for wind turbine generator, wind turbine generator, and...

Method to control the operation of a wind turbine

System and method for correcting nacelle wind velocity of wind powe...

Wind power generating system and method for controlling the same

Upwind wind turbine and operation method thereof

Wind turbine having an active pitch angle control during an idling...

Method for the operation of a wind turbine, and wind turbine for ca...

Wind farm capable of staggered disconnection

Wind turbine generator system including controller that performs cu...

Wind turbine generator and method of controlling the same

Patents Applicationslast 30 patents

ENERGY PRODUCTION LOSS DUE TO HIGH WIND HYSTERESIS CONTROL

METHOD FOR CONTROLLING WIND TURBINES OF A WIND PARK USING A TRAINED...

METHOD AND SYSTEM FOR CONTROLLING A WIND TURBINE

METHOD AND APPARATUS FOR SELF-ADAPTION OF A CUT-OUT STRATEGY

OPERATING A WIND TURBINE DURING SERVICE

REDUCED POWER OPERATION OF A WIND TURBINE

Method for Detecting Irregular Turbine Operation Using Direct and I...

System and Method for Protecting Wind Turbines During Wind Gusts

WIND TURBINE GENERATOR CONTROL METHOD AND SYSTEM

SYSTEM AND METHOD FOR MICROSITING A WIND FARM FOR LOADS OPTIMIZATION

Anti-Windmilling Starter Generator

CONTROL METHOD FOR A WIND TURBINE

ROTOR BLADE CONTROL FOR HIGH WINDS

DEVICE AND METHOD FOR PROTECTING A WIND GENERATOR IN THE EVENT OF V...

METHOD OF OPERATING A WIND TURBINE

WIND FARM AND A METHOD OF OPERATING A WIND FARM

SYSTEM AND METHOD FOR CORRECTING NACELLE WIND VELOCITY OF WIND POWE...

WIND POWER GENERATING SYSTEM

WIND TURBINE GENERATOR SYSTEM AND OPERATION CONTROL METHOD THEREOF

Method to control the operation of a wind turbine

WIND POWER GENERATING SYSTEM AND METHOD FOR CONTROLLING THE SAME

WIND TURBINE

WIND TURBINE

CONTROLLER FOR WIND TURBINE GENERATOR, WIND TURBINE GENERATOR, AND...

ANTI-WINDMILLING STARTER GENERATOR

WIND TURBINE HAVING AN ACTIVE PITCH ANGLE CONTROL DURING AN IDLING...

WIND TURBINE GENERATOR AND METHOD OF CONTROLING THE SAME

SYSTEM, DEVICE, AND METHOD FOR WIND TURBINE LOAD REDUCTION IN A COL...

METHOD FOR THE OPERATION OF A WIND TURBINE, AND WIND TURBINE FOR CA...

UPWIND WIND TURBINE AND OPERATION METHOD THEREOF