AbstractThe Hydro peaks induced by frequent starting and stopping of hydropower plant turbines are considered to cause the erosion of riverbed, more sediment generated, reduced permeability of the riverbank and also their regularity and hightemporal More
AbstractThe Hydro peaks induced by frequent starting and stopping of hydropower plant turbines are considered to cause the erosion of riverbed, more sediment generated, reduced permeability of the riverbank and also their regularity and hightemporal frequency produce grave impacts on river environment. Low fluctuation of natural river flow leads to low harm and provide best situation for environment. Thus, rehabilitation and hydro peak reduction of hydropower plant are the effectiveaffairs for environment support. This can be realized by a combination of different hard technical and soft operational measures such as retention reservoirs or slower up and down ramping of turbines. The characteristics of several turbine types are analyzed. The carrying capacity of a cross flow turbine is regarded to have the widest range. Inaddition, the width of the range may be expanded with special auxiliary equipment. This type of turbine is equivalent to two or even three turbines of varying capacities, and it can handle the discharges from any season. Rehabilitation and change in hydropower plant turbine for hydro peak reduction are discussed in this study and results show the efficiency of these changes.
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