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Monday, 27 June 2011

Wind turbine

Wind turbine

From Wikipedia, the free encyclopedia
Offshore wind farm using 5MW turbines REpower M5 in the North Sea off Belgium
This article discusses wind-powered electrical generators. See windmill for wind-powered machinery used to grind grain or pump water.
A wind turbine is a device that converts kinetic energy from the wind into mechanical energy. If the mechanical energy is used to produce electricity, the device may be called a wind generator or wind charger. If the mechanical energy is used to drive machinery, such as for grinding grain or pumping water, the device is called a windmill or wind pump. Developed for over a millennium, today's wind turbines are manufactured in a range of vertical and horizontal axis types. The smallest turbines are used for applications such as battery charging or auxiliary power on sailing boats; while large grid-connected arrays of turbines are becoming an increasingly large source of commercial electric power.

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