TOW TANK TESTING AND PERFORMANCE EVALUATION OF A PERMANENT MAGNET GENERATOR BASED SMALL VERTICAL AXIS HYDROKINETIC TURBINE

Khan, Jahangir and Iqbal, Tariq and Quaicoe, John (2009) TOW TANK TESTING AND PERFORMANCE EVALUATION OF A PERMANENT MAGNET GENERATOR BASED SMALL VERTICAL AXIS HYDROKINETIC TURBINE. The Journal of Ocean Technology, 4 (1). pp. 66-82. ISSN 1718-3200

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Abstract

Vertical axis turbines using permanent magnet generators are being considered as options for use in hydrokinetic energy conversion. As a precursor to development of full-scale systems, scalemodel turbines need to be tested in controlled environments. In this article, the results of tow tank testing of a small vertical axis turbine employing a permanent magnet generator are presented. Effects of rotor submersion, ripple propagation, and start-up behaviour are presented along with relevant qualitative discussions. Results indicate an overall peak conversion efficiency of 22% for the tested system. General observations and directions for future work are summarized at the end of this paper.

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