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Thursday, December 1, 2011

Different hydro power plants

Run-of-river plants: Here stream should be perennial with minimum flow which is adequate to generate sufficient power. Thus power generation is achieved with the utilization of minimum flow.
Storage plants: Here reservoir water storage is achieved by constructing a dam across a river. Storage is done during high rainfall season.
Cascade plant: Here available water is used more than once in a series of hydel power plants constructed to utilize the available drop in the head.
Pumped storage plant: Here power generation is carried out using the water stored in the upper reservoir during the period of low rainfall.
Tidal power: Water can be stored in a basin during high tide which can be made to fall into sea during low tide through some turbines to produce water.

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