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Novel electrical machines having separate PM Excitation Stator
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Zhu, Z. Q., Wu, Zhongze, Evans, David James and Chu, W. Q. (2015) Novel electrical machines having separate PM Excitation Stator. IEEE Transactions on Magnetics, 51 (4). pp. 1-9. 8104109. doi:10.1109/TMAG.2014.2358199 ISSN 0018-9464.
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Official URL: http://dx.doi.org/10.1109/TMAG.2014.2358199
Abstract
In this paper, novel electrical machines having a separate permanent magnet (PM) excitation stator are proposed based on a partitioned stator (PS) flux reversal (FR) PM (FRPM) machine. Different from the conventional FRPM machines with a single stator, the PS-FRPM machines have two stators with PMs surface mounted in one stator and the armature windings located in another stator. This paper investigates the electromagnetic performance of PS-FRPM machines with 12/10, 12/11, 12/13, and 12/14 stator/rotor-pole, together with the influence of leading design parameters. The torque characteristics of PS-FRPM machines are quantitatively compared with the conventional FRPM machines based on their globally optimized designs. It shows that the PS-FRPM machines can generally produce higher torque when the PMs are thicker and exhibit >56% higher torque density than that of the conventional FRPM machines. Even compared under the same PM volume, the proposed PS-FRPM machines can have larger torque due to better utilization of the inner space. The investigation is validated by both finite-element and experimental results.
Item Type: | Journal Article | ||||||||
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Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
Journal or Publication Title: | IEEE Transactions on Magnetics | ||||||||
Publisher: | IEEE | ||||||||
ISSN: | 0018-9464 | ||||||||
Official Date: | April 2015 | ||||||||
Dates: |
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Volume: | 51 | ||||||||
Number: | 4 | ||||||||
Page Range: | pp. 1-9 | ||||||||
Article Number: | 8104109 | ||||||||
DOI: | 10.1109/TMAG.2014.2358199 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access |
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