Perancangan Vertical Axis Twin Turbine Pada Pembangkit Listrik Arus Laut Di Suramadu

Abstract

Renewable energy sources are environmentally friendly energy sources that do not pollute the environment and do not contribute to climate change and global warming as in other traditional sources. Ocean currents are the movement of seawater masses from one place to another either vertically (upward motion) or horizontally (sideways movement) towards equilibrium, or the very wide movement of water that occurs throughout the world's oceans. In this study using experimental research where the maximum ocean current speed results in pile 56 were only 1.28 m / s, the turbine will need a greater speed to beat the initial torque of the 5 kW generator. The results of the 12-day test showed that the speed of the ocean current at Suramadu Bridge pile 56 ranged from 0 - 70 cm/s and only 1 week with a maximum ocean current speed, which was 128 cm/s. When using a 5 kW generator, it is likely that the generator will rotate and generate electric current for only a week. Beyond that the generator does not rotate because the speed of the ocean current is low. Therefore, the condition that the initial torque is obviously smaller than 10 kW in the twin turbines installed 3 generators each are 3.5 kW so that the turbine is still able to rotate at low current speeds such as the speed of ocean currents in Suramadu and generally Indonesian waters.