Abstract:
Indonesia has 42,210 rivers whose utilization has not been optimized 12,894 MW of
water energy potential in 89 power generatim locations, and there are about 2,275
villages out of 74,961 villages in Indonesia that do not have electricity. There are still
many areas that do not have electricity. The presence of vortex turbines with small to
large scale hydropower can be utilized in remote areas. So the vortex turbine is one of
the turbines that meets these criteria, by utilizing the kinetic force of the water vortex
to convert it into shaft power. Given this problem, this research is carried out with the
aim of getting the better power from a vortex turbine with 5 variations of water
discharge and efficiency in each variation. The method used is an experiment using a
vortex type water turbine, by investigating the effect of variations in water discharge
passing through the vortex turbine prototype. The results show that the highest
maximum power is 2.2533 Watts, and the highest vortex turbine rotation is 192 rpm,
The highest water discharge is 6.12 cm3/s, and the highest efficiency is 23.4%.
Keyword: Vortex turbine, potential, microhydro
