The Power Output Of A Wind Turbine kw
Friday, February 13th, 2009Wind systems usually require more maintenance than other homemade energy devices, like solar-electric or hydro-electric systems, but with minimal time they can be productive sources of renewable energy. On a simple scale, a wind generator uses rotating blades to harvest the wind’s kinetic energy and convert it into electricity. One-blade wind turbines are the most efficient, but they lack the balance of multi-bladed generators, so the most common house-hold wind turbine should have three blades-a compromise between efficiency and balance.
Wind power constitutes less than 1% of all electricity that is consumed. Although it isn’t practical to completely replace coal power with a wind generator, a small turbine can help off-set the cost of electricity needed to power the average American home.
The electricity output of wind turbines is harder to calculate than that of solar power, since it is dependent on wind speed. Small increases in wind speed can largely increase the power output of a generator; in fact, a 10% increase in wind speed is enough to improve power output by 33%. Since higher speeds generate more electricity, the output of a wind generator will come in short burst, rather than a continual, predictable stream of electricity.
In a New Mexico study, it was found that half of the energy that was available from wind was obtained in only 15% of the operating time. The output of a wind generator is dependent on both the size of the generator and the speed of the wind. Since homes typically use about 800 kilowatts of power every month, a wind turbine kW of 5-10 kilowatts is enough to produce homemade energy for the average household. The minimum wind speed required to benefit from a wind generator is 10 mph, but as wind speed increases, the output of the generator also increases.
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