System for triggering an emergency system of a wind turbine

Details System for triggering an emergency system of a wind turbine System for triggering an emergency system of a wind turbine

F - Mech Eng,Light,Heat,Weapons

03

D

F03D 11/00 (2006.01)

Patent

CA 2725964

It is described a system for triggering an emergency system of a wind turbine. The system comprises a sensor for sensing an acceleration value of a portion of the rotor of the wind turbine, an estimation unit coupled to the sensor, wherein the estimation unit is adapted for receiving the acceleration value from the sensor and for estimating a rotor rotational speed value of the rotor of the wind turbine based on the ac-celeration value, and a triggering unit coupled to the esti-mation unit, wherein the triggering unit is adapted for re-ceiving the rotor rotational speed value and for triggering the emergency system, if the rotor rotational speed value ex-ceeds a predefined limit value. It is further described a method for triggering an emergency system of a wind turbine, a wind turbine, a computer program and a computer-readable medium, which are all adapted for carrying out the triggering method.

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