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Lookup NU author(s): Dr Nick BakerORCiD,
Professor Edward Spooner
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OpenHydro is developing open centred submerged turbines for the extraction of energy from ocean tides. Power take off is via a surface-mounted, radial-flux, permanent-magnet generator mounted to the rim of the turbine blades. A number of full scale devices have been deployed globally, upto 2MW and 16m diameter. The aspect ratio of the machines mean that end effects are likely to be significant and hence 3D modelling is required to fully capture them. In this paper, alternative methods for modelling the existing machine design is discussed and compared. It is demonstrated that, although a full scale detailed FEA approach yields the best results, simplified FEA and even analytical approximations are best for the purpose of designing the machines.
Author(s): Baker NJ, Cawthorne S, Hodge E, Spooner E
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: 7th IET International Conference on Power Electronics, Machines and Drives (PEMD 2014)
Year of Conference: 2014
Online publication date: 19/06/2014
Acceptance date: 01/01/1900
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