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Lightning protection system for a wind turbine

United States Patent

May 27, 2008
View the Complete Patent at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
In a wind turbine (104, 500, 704) having a plurality of blades (132, 404, 516, 744) and a blade rotor hub (120, 712), a lightning protection system (100, 504, 700) for conducting lightning strikes to any one of the blades and the region surrounding the blade hub along a path around the blade hub and critical components of the wind turbine, such as the generator (112, 716), gearbox (708) and main turbine bearings (176, 724).
Costin; Daniel P. (Chelsea, VT), Petter; Jeffrey K. (Williston, VT)
Northern Power Systems, Inc. (Waitsfield, VT)
11/ 085,748
March 21, 2005
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT: This invention was made with Government support under Contract DE-AC36-98GO10337 awarded by the Department of Energy. The Government may have certain rights in this invention.