Renewable Wind Power Research Paper example
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Engineering and Construction
Pages 4 (1004 words)
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Renewable Wind Power Introduction Wind power is a renewable source of energy. It is renewable because wind energy is available off and on the coast most of the times, all days of the year. It is a preferred source of energy because it does not create any pollution as is the case with all fossil fuels.


When mechanical energy is put to use directly in some equipment such as grinding stones or a pump, it is called a windmill. Instead, when it is converted to electricity for further use, the device is known as wind turbine or wind generator. Wind turbines are mounted at high elevation so as to receive a constant flow of wind power at higher average velocity. Usually, wind turbines need an average speed of 35 kilometer/hour or 11 meters/second. Wind velocity mapping is done before selecting a place for wind turbine. Higher the wind speeds, more are the chances to get continuous flow of electricity (Whitburn, 2012). As terminology implies, 1- kW rated capacity wind turbine would generate theoretically maximum of 1 kW of power per hour, if continuous flow of wind with the average wind velocity is available at all the time; however, in all practical purposes it does not happen so because wind energy is intermittent. In the long run, wind turbines are found to generate electricity only at 10-40% of their rated capacity. This means that wind turbine with the rated capacity of 1 kW would generate between 2.4 kWh (1? 24? 0.10) and 9.6 kWh of power per day (1?24? 0.40) (Whitburn, 2012). Wind turbines can be segregated on the basis of horizontal- and vertical-axis turbines. Horizontal-axis turbines have tail fins that keep blades facing the wind. ...
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