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Influence of stator/rotor pole combination on electromagnetic performance in all/alternate poles wound partitioned stator doubly salient permanent magnet machines.
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Wu, Zhongze and Zhu, Z. Q. (2017) Influence of stator/rotor pole combination on electromagnetic performance in all/alternate poles wound partitioned stator doubly salient permanent magnet machines. Journal of Engineering . doi:10.1049/joe.2017.0096
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Official URL: http://dx.doi.org/10.1049/joe.2017.0096
Abstract
In this paper, the influence of stator/rotor pole combinations on electromagnetic performance in partitioned stator (PS) doubly salient (DS) permanent magnet (PM) (DSPM) (PS-DSPM) machines is investigated, in terms of open-circuit flux-linkage, back-EMF, cogging torque, on-load torque characteristics. Analytical deduction shows that by modifying the all poles wound winding to alternate poles wound winding in the 12/11- and 12/13 stator/rotor pole PS-DSPM machines, the fundamental distribution factor and hence the fundamental winding factor can be enhanced, resulting higher torque density. Consequently, among the 12-stator-pole all and alternate poles wound PS-DSPM machines, the 10- and 11-rotor-pole machines exhibit the highest torque density, respectively. However, the 12/10- and 12/14-pole alternate poles wound PS-DSPM machines suffer from higher phase back-EMF even harmonics, resulting larger torque ripple. The 12/10- and 12/11-pole all and alternate poles wound prototypes are built and tested to verify the FE analysis.
| Item Type: | Journal Article | ||||||
|---|---|---|---|---|---|---|---|
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||||
| Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) | ||||||
| Library of Congress Subject Headings (LCSH): | Electric machinery -- Rotors, Electromagnetism, Compressors -- Blades, Permanent magnet motors, Torque | ||||||
| Journal or Publication Title: | Journal of Engineering | ||||||
| Publisher: | The Institution of Engineering and Technology | ||||||
| ISSN: | 2051-3305 | ||||||
| Official Date: | 24 May 2017 | ||||||
| Dates: |
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| Date of first compliant deposit: | 7 June 2017 | ||||||
| Number of Pages: | 19 | ||||||
| DOI: | 10.1049/joe.2017.0096 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Open Access |
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