Wind power has been used throughout man's recorded history. The advantages of wind power include

Wind power disadvantages include

The basis of wind power is the kinetic energy of the air. Since wind velocity is not constant, wind turbines must be designed to operate at a constant angular velocity over a wide range of wind speeds in order to produce a constant frequency (60 Hz) output.


Wind turbine [Source: Tennessee Valley Authority (TVA)].


Wind Farm near Whitewater, CA [Source: The Geo-Images Project].

Last updated: December 13, 2005

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