| 摘要 |
Provided is a device to sense an axle twist of a wind power generator. According to an embodiment of the present invention, the device to sense an axle twist of a wind power generator is capable of sensing a twist of two axles connected with each other in the wind power generator. The device includes a sensor part installed on one of the axles, emitting incident light to the front, and receiving reflected light of the incident light to convert the light into an electric signal; a reflecting part installed on the other one of the axles, and reflecting the incident light; and a control part sensing the twist of the axles based on the intensity of the electric signal. |
