A method of controlling a wind turbine generator which is equipped with a nacelle, an anemometer, {HEAD ~ an anemoscope} and a nacelle swiveling mechanism for swiveling the nacelle, {TAIL ~ the method} comprising the steps of: 
A method of controlling a wind turbine generator which is equipped with a nacelle , an anemometer , { HEAD ~ an anemoscope } and a nacelle swiveling mechanism for swiveling the nacelle , { TAIL ~ the method } comprising the steps of :
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH