F - Mech Eng,Light,Heat,Weapons – 03 – D
Patent
F - Mech Eng,Light,Heat,Weapons
03
D
F03D 11/00 (2006.01) G01V 3/02 (2006.01)
Patent
CA 2737339
In order to provide a wind turbine generator and an operation method of the wind turbine generator which is not subjected to damages caused by foreign objects inside a rotor hub, the wind turbine generator 1 comprises blades 8, a rotor hub 6A to which the blades 8 are fixed, a rotating shaft such as a main shaft 12 and a coupling 16 being connected to the rotor hub 6A and rotating with the rotor hub 6A, a FO detection sensor 40 arranged inside the rotor hub 6A for detecting a foreign object inside the rotor hub 6A, a brake device such as a pitch control unit 30 and a parking brake 19 for stopping the rotation of the rotating shaft, and a controller 50 for controlling the brake device to stop the rotation of the rotating shaft when the FO detection sensor 40 detects the foreign object.
Mitsubishi Heavy Industries Ltd.
Riches Mckenzie & Herbert Llp
LandOfFree
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