Wind turbines are used to convert kinetic energy from the wind into mechanical energy which is used to produce electricity. This 2.5kW turbine is mounted on a 110 foot tower and is part of a grid-intertied system.
Wind causes the three-blade rotor to spin and drive the generator inside the tower. The crescent shaped tail of the turbine keeps the rotor facing into the wind, and moves it out of the wind when wind speeds are high enough to damage the system. The start-up wind speed for the turbine is 6-7 miles per hour, but 8 miles per hour are required to generate electricity.
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