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Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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A magnetic gear box for application with a contra-rotating tidal turbine

Shah, L. and Cruden, A.J. and Williams, B.W. (2008) A magnetic gear box for application with a contra-rotating tidal turbine. In: 7th International Conference on Power Electronics and Drive Systems, 2007. International Conference on Power Electronics and Drive Systems PEDS, 1-4 . IEEE, pp. 1182-1186. ISBN 978-1-4244-0645-6

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Abstract

This paper presents experimental results for the application of a magnetic gear (MG) box to a contra- rotating tidal turbine. The contra-rotating tidal turbine is a novel design comprising two sets of rotors placed axially: the upstream rotor rotates in a clockwise direction whilst the downstream rotor rotates in an anti-clockwise direction. The tidal turbine is a low speed mechanical system similar to a wind turbine, hence the use of a gearbox is considered to permit a standard 4 or 6 pole induction generator to be used. The magnetic gearbox magnetically combines the output of both contra-rotating shafts into a single high speed rotating shaft. A gear box has been designed using 3D Finite Element Analysis and experimentally tested.