Method for starting a wind turbine in a cold climate environment
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United States of America Patent
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Dec 11, 2018
Grant Date -
Mar 17, 2016
app pub date -
Apr 25, 2014
filing date -
Apr 29, 2013
priority date (Note) -
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Abstract
A method of starting a wind turbine in a cold climate environment includes providing a wind turbine in the cold climate environment in a stand-still or near stand-still condition; allowing the rotation speed of the rotor to increase during start up of the wind turbine; optimizing heat generation within the gear box; and generating power using the wind turbine, wherein heat generation within the gear box is optimized prior to providing the generated electrical power to an electrical grid. Optimizing heat generation within the gear box may include maximizing internal power losses in the gear box during start up. This may allow the start up to be achieved without using external heaters. Aspects of this method may be used during periods of low wind conditions in cold climate environments so that once sufficient wind conditions are reestablished, the wind turbine is ready for immediate power production.
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