I was told a while ago that if the wind gets over 30mph, a wind turbine will shut down to avoid damage. I’ve since been told that it is over 50, and 60mph.
When do they shut off?
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{ 2 comments… read them below or add one }
The shut off speed depends on the design of the turbine. They vary.
If you can get the model number, the manufacturer may give you more information.
.
All answers are correct. It depends on the type of turbine and the manufacturer. The very large ones simply vary the pitch of the blade to regulate speed in higher winds. Once winds get too high, a level determined by the manufacturer, the control system points the blades into the wind and actually turn them around 180 degrees so they no longer produce lift and a brake is applied.