Method and arrangement to adjust a pitch of wind-turbine-blades

Details Method and arrangement to adjust a pitch of wind-turbine-blades Method and arrangement to adjust a pitch of wind-turbine-blades

F - Mech Eng,Light,Heat,Weapons

03

D

F03D 7/02 (2006.01) F03D 1/00 (2006.01)

Patent

CA 2673159

The invention relates to a method and an arrangement to ad-just a pitch of blades (3) being used by a wind-turbine (1, 2). Pressure is measured at a pressure-side and at a suction side of a blade (3). The measured pressures are used to de-termine an actual angle-of-attack (.alpha.) of the wind, acting on the blade (3). The angle-of-attack (.alpha.) is used to adjust the pitch of the blade (3) to optimize a performance of the wind--turbine (1, 2).

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