Wind Power - The alternative source of energy.
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WHAT IS WIND POWER :
Wind power is produce by the kinetic energy of the wind, using wind Generators. It is one of the fastest growing alternative energy sources in the world right now. The wind power is used by the wind turbine and generates mechanical power or electricity. This energy is used for specific purposes like home, business etc. it has rivaled only by solar energy.
WIND TURBINE : The wind turbine has propeller blades that turns by the moving air, and generate electricity. The wind turns the blades, which spin a shaft, which connects to a generator and produce electricity. The first wind turbine, built in Cleveland in 1887 by Charles F. Brush. The small turbines are use for battery charging or for traffic warnings or others small applications but the biggest turbines can be used for domestic power supply.
There are two main kinds of wind generators
(A) vertical axis wind turbine
(B) horizontal axis wind turbine
WIND FARMS :
A wind farm is a group of many wind turbines located in a place, which used for production of electricity. A large farm can be having a few hundred wind turbines. The wind farms can be build onshore and also build offshore.
Advantages and Disadvantages of Wind-Generated Electricity
1. Wind energy is a renewable resource, so no matter how much it is used today, there will still be the same supply in the future.
2. Wind energy is also clean, non air polluting, electricity. That means it is an energy source that does not need fossil fuel.
3. Although wind turbines can be very tall each takes up only a small plot of land. This means that the land below can still be used. This is especially the case in agricultural areas as farming can still continue.
4. Wind power can be used for domestic power supply.
5. Wind turbines are available in a range of sizes which means a vast range of people and businesses can use them. Single households to small towns and villages can make good use of range of wind turbines available today.
1) The supply of the electricity is always varying; it depends on the wind that blows.
2) The wind turbine may cause noise.
3) Wind farm may not be most profitable for the land.
4) Wind turbines can harm wild life. Some time when the birds fly near the wind turbine, they may get killed by the turbine blades.
India’s progression in the field of Wind power : In 1990 India step in wind generating power supply and in last few years develop significantly. India has the fifth largest installed wind power capacity in the world. As of 31 March 2015 the installed capacity of wind power in India was 22,644.63 MW. In 1st April 2015, India’s largest wind farm, Jaisalmir wind park crossed 1000 mw capacity of current.