US Patent 11703031 Safety system for a wind turbine

Provided is a safety system for a wind turbine, the wind turbine including a nacelle, a hub and a rotor blocking system with several rotor locks, each engageable into a locked position for blocking a rotor of the wind turbine from rotating, the safety system including a central switching unit comprising one switch for each of the rotor locks for manually engaging a corresponding rotor lock into the locked position when activating the related switch, and a feedback unit generating and providing a safe-signal in a safe state of the hub, in which every rotor lock is engaged into the locked position. A method for providing safety to a person in the wind turbine as well as a wind turbine with the inventive safety system is also provided.