Many years ago David Johnson, P.E.,  helped a local Denver company develop an electronic control circuits for a small wind generator which they were perfecting.   They  were fortunate to be near the  National Wind Technology Center  (NWTC) test site near Boulder, Colorado.   They were able to do much of the testing using NWTC's automated data acquisition system. 

Wind Basics -- Wind Energy Physics -- Wind Power Equation -- Wind Sail Generator -- Sail Boat Energy Generator
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