2. Hydropower refers to energy, mostly electric,
which is derived from water in motion. This
power is harnessed and used to drive
mechanical devices. The main advantage of this
form of energy is that it is clean and renewable.
Hydropower plants are actually based on a
rather simple concept -- water flowing through a
dam turns a turbine, which turns a generator.
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12. Wat er source
Wat er ways
Flow cont rol
Power house
Tailrace
Generat ion and t ransmission of elect ric power
Drive syst em
