Patent ID: 9683547
Date: 2017-06-20
CPC Classifications: F03D,F05B,Y02E

Claim:
1. A wind turbine having a nacelle fence, the wind turbine comprising: a tower standing on a ground; a nacelle mounted on an upper end of the tower; rotor blades rotatably mounted on one side of the nacelle; at least one nacelle fence formed on an outer circumferential surface of the nacelle, the at least one nacelle fence being spaced apart from the rotor blades at a predetermined distance and extending toward the other side of the nacelle, wherein a longitudinal section of the at least one nacelle fence forms an angle with the nacelle, the angle is 90 degrees at a fence upstream end of the at least one nacelle fence, and the angle gradually decreases towards a fence downstream end of the at least one nacelle fence.