NDLI: Influence of flux gaps on the performance of modular PM linear synchronous motors

Content Provider	IEEE Xplore Digital Library
Author	Shi, Jiameng Kong, Hao Huang, Liren Lu, Qinfen Ye, Yunyue
Copyright Year	2014
Description	Author affiliation: College of Electrical Engineering, Zhejiang University, China (Shi, Jiameng; Kong, Hao; Huang, Liren; Lu, Qinfen; Ye, Yunyue)
Abstract	More and more modular electrical machines, including segmented permanent magnet machines, are being applied in industrial areas to simplify manufacture process and improve fault-tolerant ability. This paper investigates a novel modular single-sided flat permanent magnet linear synchronous motor (PMLSM) with segmented armature. In the armature, the inevitable flux gaps between segments are inserted to enhance the performance of PMLSM. Based on 2D finite element analysis (FEA), the performances, such as open-flux linkage, back-EMF, average thrust force, thrust ripple, etc. are compared in different values of flux gaps, as well as different slot/pole number combinations. Due to flux gaps, it is found the electromagnetic performances are worsened along with flux gap width increasing to modular PMLSMs having slot number lower than pole number, but some aspects of performances can be improved to those having slot number higher than pole number. Due to the end effect of linear format, the thrust ripple is not significantly improved. Finally, to show the difference of linear motor, the detail comparison is made between modular PMLSM and rotate PMSM. It is concluded the proper flux gaps can be chosen to improve the performance of PMLSM with certain slot/pole combination.
Starting Page	1566
Ending Page	1571
File Size	426573
Page Count	6
File Format	PDF
ISBN	9781479951628
DOI	10.1109/ICEMS.2014.7013743
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-10-22
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Windings Harmonic analysis Couplings Permanent magnet motors Force Synchronous motors Fault tolerance
Content Type	Text
Resource Type	Article

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