| 摘要 |
The invention relates to an adjusting device for a rotor blade of a rotor of a wind turbine. The rotor comprises a hub, a rotor blade, a bearing that can be installed between the rotor blade and the hub, and the adjusting device. The rotor blade is arranged on the hub so as to be rotatable substantially about the longitudinal axis of the rotor blade. The rotor blade can be set in different adjustment positions by means of the adjusting device. The adjusting device comprises at least one electric adjusting motor, which drives a gear connected to the rotor blade by means of a drive pinion, a converter, which is coupled to an electric network and controls the adjusting motor, and a control unit for controlling the adjusting motor. In order to monitor the adjustment position of the rotor blade, the adjusting device comprises means for producing a signal that depends on the adjustment position of the rotor blade and an evaluating unit for comparing the signal or a derivative of the signal. The invention further relates to a method for adjusting a rotor blade of a wind turbine. |
