Comparison of Halbach magnetized brushless machines based on discrete magnet segments or a single ring magnet

Zhu, Z.Q., Xia, Z.P. and Howe, D. (2002) Comparison of Halbach magnetized brushless machines based on discrete magnet segments or a single ring magnet. IEEE Transactions on Magnetics, 38 (5 (Pa). pp. 2997-2999. ISSN 0018-9464

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Abstract

This paper compares the air-gap field distribution, cogging torque, back-electromotive-force waveform, and efficiency of brushless machines having a Halbach magnetization produced by either discrete magnet segments or a single ring magnet. Results deduced from finite-element analyses are compared with measurements, and the performance of Halbach magnetized machines is compared with that of machines equipped with radially magnetized magnets.

Item Type:	Article
Copyright, Publisher and Additional Information:	Copyright © 2002 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:	brushless machines, Halbach magnetization, permanent magnet machines
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:	08 Feb 2013 16:48
Published Version:	http://dx.doi.org/10.1109/TMAG.2002.803190
Status:	Published
Refereed:	Yes
Identification Number:	10.1109/TMAG.2002.803190
URI:	http://eprints.whiterose.ac.uk/id/eprint/871

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