Review of Related Literature
The use of hydropower throughout the world has been changing since thousands of years. It's because it is an indigenously available, clean, and renewable source of energy. Currently, 15% of the world's electricity comes from hydroelectric power (Renewable Energy for the 21st Century, "Renewables 2007: Global Status Report"). While this number is impressive, new technologies will help hydroelectric power play a larger role in meeting global energy needs in the future.New developments are made to achieve best results on harnessing water as an energy source. All aimed at reducing other energy sources depletion and pollution in order to increase the efficiency of the power. This has said to have a huge potential, both huge and small levels(Dr. Nand Kishor,Motilal Nehru National Institute of Technology Allahabad) . Hydropower plants can be based either as run-off river type or with reservior built. Both levels can be based by either of the two depending on the capacity of power generation. Small levels is usually a run-of-river plant that uses fixed speed drive with mechanical regulation of the turbine water flow for controlling the active power generation(J.L. Marquez, M.G. Molina, J.M. Pacas; Instituto de Energía Eléctrica, Universidad Nacional de San Juan). Though there are new technologies upcoming, there are also conflicts which depicts the disadvantages of certain uses or operation. It has been reported that certain problems handling the plant may cause devastation over an area around the built power plant,(Asia News Network, News Desk, Vietnam News; Published 08/11/2010). Lack of further inspection and/or miscalculations during the design and constructions may cause future conflicts. [continues]
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