Department of Energy, wind turbines start producing electricity at wind speeds of around 6 mph and reach peak output at about 30–55 mph. Beyond this speed range, most turbines shut down to avoid mechanical damage.
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A perfectly efficient blade would capture all the energy in the wind passing through it, which, sadly isn't possible in the real world. Physics, in the form of Betz's Law, dictates a theoretical maximum efficiency of around 59.
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A wind turbine generates electricity by using the kinetic energy of wind to spin its blades, which are connected to a rotor. The generator then converts this mechanical energy into electrical energy.
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Wind turbines capture moving air and turn it into usable electricity by grabbing the kinetic energy in the wind and spinning a rotor. This spinning drives a generator, turning motion into electrical power with electromagnetic induction.
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