A WINDMILL AND A PROCEDURE FOR DUMPING EDGE SWING IN ONE OR MORE WINGS OF A WINDMILL BY CHANGING THE WINGE PITCH

摘要

The invention relates to a wind turbine comprising a rotor including one or more pitchable blades, and detection means for detecting edgewise oscillations in one or more of said blades. The wind turbine is characterized in that the wind turbine comprises control means for changing the pitch angle of one or more of the blades if the detection means detects edgewise oscillations in one or more of the blades, hereby damping or eliminating the edgewise oscillations. The invention further relates to a method for damping edgewise oscillations in one or more blades of a wind turbine and use hereof.