![]() Naidu (1997) reported that the annual operation and maintenance costs of sediment-affected power stations could be as high as 5% of the capital costs, against 1.5% in normal cases. ![]() These factors lead to huge revenue losses during the operation of hydro power plants. The wear in the turbines cause significant reduction in turbine efficiency as well as increases in maintenance frequency and generation losses. Unlike storage power plants, run-of-river projects start experiencing sediment induced effects from the first day of operation in the monsoon season (mid June to September). RUN-OF-RIVER hydro power plants built on sediment loaded rivers experience significant sediment induced turbine wear problems. Meg B Bishwakarma describes the development of an online sediment concentration and flow monitoring system for hydro power plants ![]()
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