 Wind Speed Measurement: AnemometersThe Wind Rose |
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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. |
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| 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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