Design waterwheel of hydropower on outfall condenser sebalang power plant

Abstract

The utilization of residual energy in the electricity sector within conventional power plant environments such as Coal-Fired Power Plant remains suboptimal. Sebalang powerplant located in Sebalang hamlet, Tarahan village, Katibung district, South Lampung, with a power capacity of 2 x 100 MW employs coal as fuel and seawater as a media to generate steam and as a coolant in the powerplant cycle. The condenser cooling system at Sebalang powerplant operates on an open cycle, where seawater taken from the intake enters the condenser to cool and condense steam, then exits through the outfall and returns to the sea. The discharge flow of residual condenser cooling water through the outfall is 1.18 m3/s and currently remains unutilized. With a head of 1.5 meters, this potential can be converted into electrical energy, generating a power potential of 10.4 kW. The power output from this Micro Hydro Power Plant Waterwheel design can be utilized to supply the internal electricity needs of the power plant unit, thereby reducing operational unit self-consumption