Patent ID: 8057256

Claim:
A wind turbine generator, comprising: a nacelle provided with a plurality of modules; a controller provided in a first module out of said plurality of modules; a first device provided in a second module out of said plurality of modules, wherein said controller and said first device are connected with a device-side connection mechanism and a controller-side connection mechanism to allow electrical communications therebetween, said device-side connection mechanism includes: a first connection element; a first multicore cable including a plurality of signal lines with one end connected to said controller and the other end connected to said first connection element; a signal relay board provided with a receptacle connected to said first connection element; and a plurality of signal lines each with one end connected to said signal relay board and the other end connected to said first device, said controller-side connection mechanism provides an electrical connection between said first connection element and said first device, said first device includes a plurality of sensors, said plurality of signal lines of said device-side connection mechanism include a plurality of grounding lines respectively connected to said plurality of sensors, and said plurality of grounding lines are commonly connected to ground by said signal relay board.