| 摘要 |
The invention relates to an adjustment device for adjusting the angle of incidence of a rotor blade of a wind power plant, comprising an adjusting motor for moving the rotor blade about an angle of incidence, a control unit for controlling the adjusting motor with electric current, the control unit being connected to an electrical supply network, and an emergency supply device for supplying and controlling the adjusting motor with electric current in the event of a failure of the electrical supply network, wherein the emergency supply device comprises an electrical accumulator for storing electric energy in order to provide the electric current for controlling the adjusting motor, and wherein the control unit is provided to charge the electrical accumulator of the emergency supply device with electric energy. |
