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Wind Turbines Introduction 1.2) Modern and particularly industrial societies, are now totally dependent upon the use of large quantities of energy, most of it in the form of fossil fuels, for virtually all aspects of life. In 1992, the estimated total world consumption of primary energy, in all forms, was approximately 400EJ per year, equivalent to some 9500 million tonnes of oil per year. This report investigates wind turbine technology and the potential to generate substantial amounts of electricity without the pollution problems of most conventional forms of electricity generation. What is The Wind? Wind occurs because of horizontal and vertical differences in atmospheric pressure due to differential heating of the earth's surface by the sun. The wind is an indirect form of solar energy, and is therefore "renewable", it is always being replenished by the sun. Every location on the planet experiences wind, but the absolute amount of wind in...

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