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 (24 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.

Hendrik Lambertus Lagerwey: DC local grid for wind farm. Lagerway Windturbine, St Onge Steward Johnston & Reens, July 16, 2002: US06420796 (24 worldwide citation)

A wind farm is described in which two or more windmills are provided with each having a generator to generate electrical power. The energy supplied by the generators is output to a general a.c. grid which is set at a standard voltage. The electrical power supplied by the windmills is injected into t ...

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 (23 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.

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

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

Michael T Reidy, Hari S Iyer, Jarmo Monttinen: Wind energy harnessing apparatuses, systems, methods, and improvements. Michael Reidy, Bryan Cave, February 3, 2009: US07484363 (21 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 ...

Henrik Stiesdal: Wind farm and method for controlling the same. Siemens Aktiengesellschaft, October 5, 2010: US07808126 (20 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 ...

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 (19 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, ...

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 (18 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 ...

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 ...