21
Gregorio Rivas, Iker Garmendia, Josu Elorriaga, Jesus Mayor, Javier Perez Barbachano, David Sole, Jorge Acedo: Reactive power control for operating a wind farm. Ingeteam Energy, Sughrue Mion PLLC, May 12, 2009: US07531911 (21 worldwide citation)

A system and method of reactive power regulation in a wind farm having a plurality of wind turbines that provides optimum control of the reactive power compensation in the wind farm and is able to keep a reactive power reserve in order to support eventual grid contingencies.


22
Jens Altemark, Björn Matzen, Jörg Zeumer: Wind farm. Repower Systems, Rankin Hill Porter & Clark, August 14, 2007: US07256508 (21 worldwide citation)

The invention relates to a wind-driven power-plant comprising a rotor (100) which is fitted with at least one rotor blade and which is connected directly or indirectly to a generator for power generation, further including an electrical assembly made up of different electrical sub-assemblies includi ...


23
Larsen Einar V: Voltage control for windpark. Gen Electric, March 9, 2005: EP1512869-A1 (21 worldwide citation)

A wind turbine generator control system includes relatively fast regulation of voltage (110) near the individual generators with relatively slower overall reactive power regulation at a substation or wind farm level (150). The setpoint of the relatively fast voltage regulator is adjusted by the rela ...


24
Aloys Wobben: Method for operating a wind turbine. Seed IP Law Group PLLC, November 15, 2005: US06965174 (19 worldwide citation)

The present invention relates to a method for operating a wind turbine with an electrical generator, drivable by a rotor, for supplying electrical power to an electric grid, in particular to the loads connected thereto. The object of the present invention is to define a method for operating a wind t ...


25
Mark Edward Cardinal, Reinhard Brügger, Andreas Kirchner: Systems and methods for controlling a ramp rate of a wind farm. General Electric Company, James McGinness Esq, Armstrong Teasdale, November 3, 2009: US07613548 (19 worldwide citation)

A method for controlling a ramp rate of a wind farm is described. The method includes predicting an initial predicted power to be output by a wind farm including a wind turbine.


26
Michael T Reidy, Hari S Iyer, Jarmo Monttinen: Wind energy harnessing apparatuses, systems, methods, and improvements. Michael Reidy, Bryan Cave, February 3, 2009: US07484363 (18 worldwide citation)

Improvements to wind farms and wind generators for harnessing wind energy or generating electricity from wind. Secondary wind turbines are provided at particular locations within a wind farm to generate additional electricity, in some embodiments, using a common electrical power collection system. E ...


27
Cartwright Phillip: Controlling reactive power output. Areva T & D, July 27, 2005: GB2410386-A (18 worldwide citation)

A wind farm comprises at least one wind turbine and the combination of a voltage controller and a tap-changing transformer arranged to control a reactive power output of the wind farm. The tap-changing transformer is arranged to transform an output voltage of the wind farm at a predetermined positio ...


28
Mahesh Amritlal Morjaria, Rui Zhou, Amit Chandrakant Joshi, Abhinanda Sarkar, Vineel Chandrakanth Gujjar: Method and apparatus for operating wind turbine generators. General Electric Company, James McGinness Esq, Armstrong Teasdale, April 21, 2009: US07523001 (17 worldwide citation)

A method of operating a wind farm that includes a plurality of wind turbine generators (WTGs) includes generating wind turbine generator (WTG) availability data for each WTG. The method also includes generating wide-area meteorological data for a first geographical region. The method further include ...


29
Robert William Delmerico, Mark Edward Cardinal, Kirk Gee Pierce: Wind farm power ramp rate control system and method. General Electric Company, Fletcher Yoder, March 16, 2010: US07679215 (17 worldwide citation)

A system and method for controlling power ramp rate of a wind farm is provided. The wind farm includes a plurality of wind turbine generators and a wind farm control system. The wind farm control system is operable to monitor rate of change of collective power output of the wind turbine generators, ...


30
Henrik Stiesdal: Wind farm and method for controlling the same. Siemens Aktiengesellschaft, October 5, 2010: US07808126 (15 worldwide citation)

A method for controlling dynamic power factor or the reactive power of a wind farm is provided. The wind farm comprises a number of wind turbines connected to a utility grid driven with a requested power factor or a requested reactive power. The wind turbine output voltage is controlled to a specifi ...



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