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Wind Speed Measurement: Anemometers
The Wind Rose
Wind Vane
Wind Vane
Wind Vane
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Wind Vane
A wind vane always positions itself according to the wind direction.
There is a small sensor at the foot of the wind vane that notifies the wind turbine controller of the wind direction.
Back, Nacelle, Forward
The controller tells the yaw motor to yaw (turn) the nacelle so that the rotor faces the wind.
See a photo of a real wind vane
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