Sunday, August 30, 2009

Hydro power stations

Hydro power station - This power station are mainly used in winter season. The water is the main source of hydro power stations.These power stations are located near to the dam. When water stored above the earth level it contains some kinetic energy. This kinetic energy used to rotate the turbine. Main advantage of this power station is pollution free. Low cost, more reliable.
One major disadvantage is it is not available in summer seasons. It has no wastage. Low speed turbines are used in this type of power station due to low force from water. China constructing one of the biggest hydro power station.
It is expected supply power to more industries. One more disadvantage is that it occupies more space than any other power stations.Now a days water falls are used to generate hydro power.

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