-taylor
The main job of wind turbines is to convert wind into electricity; the stronger the wind the more electricity produced. The wind should not be so strong though that it causes the turbines to go so fast as to commit suicide to themselves; the blades are ripped off leaving a lot of damage. So to stop this from happening they use a mechanical braking system. Using this keeps the blades from spinning to fast. the blades spin the opposite direction of the wind. If the blades were to go the same direction as the wind it would be very dangerous.
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