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

By Z.Q. Zhu, Z.P. Xia and D. Howe

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

Year: 2002
OAI identifier: oai:eprints.whiterose.ac.uk:871

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