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3D modelling of the generator for OpenHydro's tidal energy system

Lookup NU author(s): Dr Nick Baker, Professor Edward Spooner

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This is the authors' accepted manuscript of a conference proceedings (inc. abstract) that has been published in its final definitive form by IET, 2014.

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Abstract

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.


Publication metadata

Author(s): Baker NJ, Cawthorne S, Hodge E, Spooner E

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Power Electronics, Machines and Drives (PEMD 2014)

Year of Conference: 2014

Online publication date: 19/06/2014

Acceptance date: 01/01/1900

Date deposited: 01/10/2014

Publisher: IET

URL: http://dx.doi.org/10.1049/cp.2014.0386

DOI: 10.1049/cp.2014.0386

Library holdings: Search Newcastle University Library for this item

ISBN: 9781849198158


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