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Stator iron loss of tubular permanent-magnet machines

Amara, Y., Wang, J.B. and Howe, D. (2005) Stator iron loss of tubular permanent-magnet machines. IEEE Transactions on Industry Applications, 41 (4). pp. 989-995. ISSN 0093-9994


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While methods of determining the iron loss in rotating permanent-magnet (PM) machines have been investigated extensively, the study of iron loss in linear machines is relatively poorly documented. This paper describes a simple analytical method to predict flux density waveforms in discrete regions of the laminated stator of a tubular PM machine, and employs an established iron loss model to determine the iron loss components, on both no load and on load. Analytical predictions are compared with the iron loss deduced from finite-element analyses for two tubular PM machine designs, and it is shown that if a machine has a relatively high electrical loading, the on-load iron loss can be significantly higher than the no-load value.

Item Type: Article
Copyright, Publisher and Additional Information: Copyright © 2005 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Keywords: analytical model, iron loss, linear machines, permanent- magnet (PM) machines
Institution: The University of Sheffield
Academic Units: The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Electronic and Electrical Engineering (Sheffield)
Depositing User: Sherpa Assistant
Date Deposited: 12 Dec 2005
Last Modified: 04 Jun 2014 18:19
Published Version: http://dx.doi.org/10.1109/TIA.2005.851047
Status: Published
Refereed: Yes
Identification Number: 10.1109/TIA.2005.851047
URI: http://eprints.whiterose.ac.uk/id/eprint/823

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