Rotor Eddy-Current Loss in Permanent Magnet Brushless Machines

descriptionPublicationkeyboard_double_arrow_right Article 01 Jul 2004 United Kingdom English Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Transactions on Magnetics, volume 40, pages 2,104-2,106 (issn: 0018-9464,

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Authors: Toda, H.; Xia, Z.P.; Wang, J.B.; Atallah, K.; Howe, D.;

doi: 10.1109/tmag.2004.832481

Rotor Eddy-Current Loss in Permanent Magnet Brushless Machines

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Abstract

This paper presents an analysis of the rotor eddy-current loss in modular and conventional topologies of permanent magnet brushless machine. The loss is evaluated both analytically and by time-stepped finite-element analysis, and it is shown that it can be significant in both machine topologies. It is also shown that the loss can be reduced significantly by segmenting the magnets.

Country

United Kingdom

Related Organizations

University of Sheffield
United Kingdom
White Rose Consortium: University of Leeds; University of Sheffield; University of York
United Kingdom

Keywords

rotor loss, modular machines, permanent magnet (PM) machines, eddy-current

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