Design Of Microhidro Turbine For Electricity Plants Based On Techno Park In Cimanggu Village

Samosir, Rahmad and Turnip, Kimar and Simanjuntak, Sutan LMH (2020) Design Of Microhidro Turbine For Electricity Plants Based On Techno Park In Cimanggu Village. IOP Conference Series: Materials Science and Engineering, 725. pp. 1-11.

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Abstract

The utilization of water as a natural resource of renewable energy for power plant is one of the alternative solutions to replace the need for fossil fuels. In Cimanggu village, there is a river that has a waterfall, which can be used to generate electricity. But the waterfall is currently used as a village tour. From observations and the calculation speed of the flow by using buoys, and river cross-sectional area obtained the total river debit Q more than 0.07 m3 / s. From the measurements is also obtained high fall the waterfall H = 22 m. Based on the existing height and debit of the water fall the major dimensions of a water turbine Pelton Micro Hydro type as the driving power generator was planned. The results of calculations for effective head = 18 m, with a water debit that is used to drive the runners Q = 0.07 m3/s, gained power generated by 7,0 kW. By the data is planned the main dimensions of micro turbine, Pelton outer runner diameter D = 250 mm, the diameter of the circle pin DL = 346 mm, number of blades z = 12 with 2 nozzles, and a shaft diameter ds = 30 mm. In planning this turbine, water is only directed to radiate to one side in order to replace the function of the waterfall. Because water is directed to one side, the shaft will experience an axial force (which is parallel to the shaft).

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