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Method and apparatus for wind turbine braking

United States Patent

February 10, 2009
View the Complete Patent at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
A method for braking a wind turbine including at least one rotor blade coupled to a rotor. The method includes selectively controlling an angle of pitch of the at least one rotor blade with respect to a wind direction based on a design parameter of a component of the wind turbine to facilitate reducing a force induced into the wind turbine component as a result of braking.
Barbu; Corneliu (Laguna Hills, CA), Teichmann; Ralph (Nishkayuna, NY), Avagliano; Aaron (Houston, TX), Kammer; Leonardo Cesar (Niskayuna, NY), Pierce; Kirk Gee (Simpsonville, SC), Pesetsky; David Samuel (Greenville, SC), Gauchel; Peter (Muenster, DE)
General Electric Company (Schenectady, NY)
11/ 282,127
November 18, 2005
The U.S. Government has certain rights in this invention as provided for by the terms of Contract No. DE-AC36-98GO10337 awarded by the Department of Energy/National Renewable Energy Laboratory Division.