Power Generation by Tide and Tidal Current

This paper reports two method of electric power generation from tidal currents. The first method is using Darrieus turbine. The system which especially designed for this purpose consists of a vertical axis turbine, an accelerator, an electric generator, and a control unit. The turbine is vertical axis Darrieus rotor, and has three blades. The real test in tidal currents was conducted from 1983 to 1988, at Kurushima straits, and its results are discussed.