Electrical Engineering ⇒ Topic : Different forms of energy
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Peter
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⇒ Solar Energy : This can be a major source of power. Solar photovoltaic cells, which can be used for conversion of solar energy directly into electricity. ⇒ Wind Energy : Energy of wind can be economically utilised for the production (generation) of electrical energy. The wind energy can be used to run wind mill, which in turn drives a generator to generate electricity. ⇒ Tidal Energy : The tides in the sea are the result of the universal gravitational effect of heavenly bodies like sun and moon on the earth. Due to fluidity of water mass, the effect of this force becomes apparent in the motion of water. Which shows a rise and fall in levels which is in rhythms with the daily cycle of raising and setting of sun and moon. This periodic rise and fall of the water level of sea is called Tide. The use of tides for electrical power generation can be made. To harnessthe tides, a dam would be built, across the mouth of the bay. It will have large gates in it and reversible turbines are installed. A tidal basin is built, which is separated from sea by a dam. The con-§tructed basin is filled with water during high tide and emptied during low tide passing through sluices, turbine respectively. By using reversible turbine the turbine can run continuously, both during high tide and low tide. The turbine is coupled to generator, potential energy of the water stored in the basin as well as energy during high tide, is used to drive the turbine, which is coupled to generator, generating electricity.Principle of Tidal Power Generation | |
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