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Wind energy however has limited scope due to natural elemental control. So apart from some villages, it's not easy to harness much energy out of it. Some villages and rural areas can benefit from the wind mills. Also the maintenance is expensive, this makes the wind mill costly on that basis. Otherwise it is one of the clean energy sources. Depending on the available region, it is possible to generate good amount of energy.
So we can't replace current power supply system completely but we can enhance its efficiancy by manyfolds by using it in coordination with grid system.
Wind energy when interconnected with current power grid system of a country can work as backup for the conventional source of energy durring high power demand.
And durring the run off period for hydro plant is low,for preserving coal resorces of a country.
Industries can also make their own wind power plants in a seperate area for providing continuous power in case of grid faliure.
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Wind energy is used in wind power plant. Wind moves the propeller and it starts moving. The propeller is fixed with DC generator. So, DC supply is created which is stored in battery. Battery is combination of cells which is connected in series. Wind energy is a renewable/non-conventional type of energy.
In India many states adopted this wind technology. Wind blows in sea beach throughout the year. So, wind power plant is installed in sea beach. It is very useful in energy crises in India.