07126236 is referenced by 36 patents and cites 18 patents.

A method for powering a pitch motor drive system for at least one DC pitch motor of a wind turbine includes rectifying a voltage using a bridge circuit to thereby supply a DC link voltage to a bridge comprising active switching devices, and utilizing at least one link capacitor to smooth the DC link voltage and act as an energy sink and source for the DC pitch motor or motors.

Title
Methods and apparatus for pitch control power conversion
Application Number
11/80017
Publication Number
7126236 (B2)
Application Date
March 15, 2005
Publication Date
October 24, 2006
Inventor
Andrew Scott Wilkinson
Roanoke
VA, US
Howard Ross Edmunds
Roanoke
VA, US
David Gerard Wanner Jr
Roanoke
VA, US
Amy Marlene Ridenour
Salem
VA, US
Jeffrey Alan Melius
Roanoke
VA, US
Cyrus David Harbourt
Roanoke
VA, US
Agent
Armstrong Teasdale
James E McGinness
Assignee
General Electric Company
NY, US
IPC
H02P 7/00
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