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Performance evaluation of fractional-slot tubular permanent magnet machines with low space harmonics

Performance evaluation of fractional-slot tubular permanent magnet machines with low space harmonics Abstract This paper evaluates the perforamnce of fractional-slot per pole winding configurations for tubular permanent magnet (PM) machines that can effectively eliminate the most undesirable space harmonics in a simple and cost-effective manner. The benefits of the proposed machine topology winding configurations are illustrated through comparison with 9-slot, 10-pole tubular PM machine developed for a free piston energy converter under the same specification and volumetric constraints. It has been shown that the proposed machine topology results in more than 7 times reduction in the eddy current loss in the mover magnets and supporting tube, and hence avoids potential problem of excessive mover temperature and risk of demagnetization. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Electrical Engineering de Gruyter

Performance evaluation of fractional-slot tubular permanent magnet machines with low space harmonics

Wang, Jiabin
Archives of Electrical Engineering , Volume 64 (4) – Dec 1, 2015
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Publisher
de Gruyter
Copyright
Copyright © 2015 by the
ISSN
2300-2506
eISSN
2300-2506
DOI
10.1515/aee-2015-0049
Publisher site
See Article on Publisher Site

Abstract

Abstract This paper evaluates the perforamnce of fractional-slot per pole winding configurations for tubular permanent magnet (PM) machines that can effectively eliminate the most undesirable space harmonics in a simple and cost-effective manner. The benefits of the proposed machine topology winding configurations are illustrated through comparison with 9-slot, 10-pole tubular PM machine developed for a free piston energy converter under the same specification and volumetric constraints. It has been shown that the proposed machine topology results in more than 7 times reduction in the eddy current loss in the mover magnets and supporting tube, and hence avoids potential problem of excessive mover temperature and risk of demagnetization.

Journal

Archives of Electrical Engineering – de Gruyter

Published: Dec 1, 2015

References

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  • Design Optimization of Short - Stroke Single - Phase Tubular Permanent - Magnet Motor for Refrigeration Applications on Industrial Electronics
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  • Modular - phase permanent magnet brushless machines for in - wheel applications on Vehicular Technology
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    Wang
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  • Design and Experimental Verification of a Linear Permanent Magnet Generator for a Free - Piston Energy Converter on
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  • A Linear Permanent - Magnet Motor for Active Vehicle Suspension on Vehicular Technology
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