What is hydroelectricity? Describe the steps involved in generating electricity in hydro power plants.
Answers
Hydroelectric power, electricity produced from generators driven by turbines that convert the potential energy of falling or fast-flowing water into mechanical energy. Hydropower plants capture the energy of falling water to generate electricity. A turbine converts the kinetic energy of falling water into mechanical energy. Then a generator converts the mechanical energy from the turbine into electrical energy.
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Hydroelectricity is the electricity generated by kinetic energy of flowing water.
(i) A storage dam is constructed to collect water in a large artificial lake(like Gobind Sagar Lake which collects water for Bhakra dam).
(ii) Water from the top of the dam is allowed to fall through pipelines over the blades of a turbine at the bottom of the dam. In this process, the potential energy changes into kinetic energy (of water) .
(iii) Moving turbine rotates the armature of a generator to produce electricity i.e., the kinetic energy of water changes into electricity.
(iv) After having run the turbines, water collects in a control dam.
(v) Water in the control dam can either be made to fall agn through a height to produce electricity in the same way given above...
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