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VARIABLE SPEED OPERATING SYSTEM AND METHOD OF OPERATION FOR WIND TURBINES

  • US 20090110540A1
  • Filed: 10/30/2007
  • Published: 04/30/2009
  • Est. Priority Date: 10/30/2007
  • Status: Active Grant
First Claim
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1. A wind turbine for operating in regions having soil that includes an active layer that thaws during a portion of the year and a permafrost layer, said wind turbine comprising:

  • at least one piling, said piling having a first portion in said permafrost layer and a second portion in said active layer;

    a tower mounted to said at least one piling;

    a nacelle mounted to said tower opposite said platform;

    a plurality of turbine blades coupled to said nacelle;

    a controller operably coupled to said plurality of turbine blades; and

    ,a sensor electrically coupled to said controller, said sensor being adapted to generate a signal indicative of a condition of said active layer.

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