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Rotor eddy-current loss in permanent magnet brushless machines \ud

By H. Toda, Z.P. Xia, J.B. Wang, K. Atallah and D. Howe

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

Year: 2004
OAI identifier: oai:eprints.whiterose.ac.uk:826

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