Low-RPM Torque Converter (LRTC)

Andrej Savin, Dana Salar and Erik Hultman
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Andrej Savin: Department of Electrical Engineering, Division of Electricity, Uppsala University, Box 534, 75121 Uppsala, Sweden
Dana Salar: Department of Electrical Engineering, Division of Electricity, Uppsala University, Box 534, 75121 Uppsala, Sweden
Erik Hultman: Department of Electrical Engineering, Division of Electricity, Uppsala University, Box 534, 75121 Uppsala, Sweden

Energies, 2021, vol. 14, issue 16, 1-11

Abstract: The concept concerned in this paper is based on energy conversion of the ocean waves via rotational generators. The objective of this research is to develop a new type of slow-motion converter. The LRTC device consists of a drum that is connected via wire to a floating buoy. The drum is connected to rotary generators. The generators are heavily braked when the direction of movement changes (up/down); this is because the generators have been charged the maximum load in order to obtain maximum output power. For upcoming improvement, the generators should have some power storage as flywheel. In the future experiments, the torque converter can even be tuned to rotate in resonance with the incoming waves, strongly increasing power absorption. Constant force springs are applied for this purpose. The focus of this project is, therefore, a new generation of wave power device for utility-scale energy conversion offering a cost of energy that can compete with established energy resources.

Keywords: wave energy conversion; torque converter; resonance frequency (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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