Comparative Study of Two Novel Double-Sided Hybrid-Excitation Flux-Reversal Linear Motors with Surface and Interior PM Arrangements

Zhiqiang Zeng; Yiming Shen; Qinfen Lu; Qian Jiang; David Gerada; Chris Gerada

doi:10.1109/TMAG.2019.2902439

Comparative Study of Two Novel Double-Sided Hybrid-Excitation Flux-Reversal Linear Motors with Surface and Interior PM Arrangements

Zhiqiang Zeng, Yiming Shen, Qinfen Lu, Qian Jiang, David Gerada, Chris Gerada

Nottingham Electrification Centre

Research output: Journal Publication › Article › peer-review

17 Citations (Scopus)

Abstract

In this paper, two novel double-sided hybrid-excitation flux-reversal linear motors (DSHEFRLM) with the surface (S-) and interior (I-) permanent-magnet(PM) arrangements are proposed and comparatively investigated. The proposed motors feature an asymmetrical double-sided primary configuration which enables the armature and field excitations to be placed separately. Through 2-D finite-element method (FEM), two motor structures with different slot/pole combinations are optimized, and then, the magnetic fields and electromagnetic performances are calculated, including inductances, no-load flux linkage, thrust characteristics, and PM demagnetization capability. By comparison, it is found that S-DSHEFRLMs show larger thrust density while I-DSHEFRLMs exhibit superior flux-adjusting capability. Finally, these predicted results are validated by 3-D FEM.

Original language	English
Article number	8667864
Journal	IEEE Transactions on Magnetics
Volume	55
Issue number	6
DOIs	https://doi.org/10.1109/TMAG.2019.2902439
Publication status	Published - Jun 2019

Keywords

Double-sided
flux-reversal
hybrid-excitation (HE)
linear motor
permanent-magnet (PM) arrangement

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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10.1109/TMAG.2019.2902439

Cite this

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title = "Comparative Study of Two Novel Double-Sided Hybrid-Excitation Flux-Reversal Linear Motors with Surface and Interior PM Arrangements",

abstract = "In this paper, two novel double-sided hybrid-excitation flux-reversal linear motors (DSHEFRLM) with the surface (S-) and interior (I-) permanent-magnet(PM) arrangements are proposed and comparatively investigated. The proposed motors feature an asymmetrical double-sided primary configuration which enables the armature and field excitations to be placed separately. Through 2-D finite-element method (FEM), two motor structures with different slot/pole combinations are optimized, and then, the magnetic fields and electromagnetic performances are calculated, including inductances, no-load flux linkage, thrust characteristics, and PM demagnetization capability. By comparison, it is found that S-DSHEFRLMs show larger thrust density while I-DSHEFRLMs exhibit superior flux-adjusting capability. Finally, these predicted results are validated by 3-D FEM.",

keywords = "Double-sided, flux-reversal, hybrid-excitation (HE), linear motor, permanent-magnet (PM) arrangement",

author = "Zhiqiang Zeng and Yiming Shen and Qinfen Lu and Qian Jiang and David Gerada and Chris Gerada",

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AU - Shen, Yiming

AU - Lu, Qinfen

AU - Jiang, Qian

AU - Gerada, David

AU - Gerada, Chris

PY - 2019/6

Y1 - 2019/6

N2 - In this paper, two novel double-sided hybrid-excitation flux-reversal linear motors (DSHEFRLM) with the surface (S-) and interior (I-) permanent-magnet(PM) arrangements are proposed and comparatively investigated. The proposed motors feature an asymmetrical double-sided primary configuration which enables the armature and field excitations to be placed separately. Through 2-D finite-element method (FEM), two motor structures with different slot/pole combinations are optimized, and then, the magnetic fields and electromagnetic performances are calculated, including inductances, no-load flux linkage, thrust characteristics, and PM demagnetization capability. By comparison, it is found that S-DSHEFRLMs show larger thrust density while I-DSHEFRLMs exhibit superior flux-adjusting capability. Finally, these predicted results are validated by 3-D FEM.

AB - In this paper, two novel double-sided hybrid-excitation flux-reversal linear motors (DSHEFRLM) with the surface (S-) and interior (I-) permanent-magnet(PM) arrangements are proposed and comparatively investigated. The proposed motors feature an asymmetrical double-sided primary configuration which enables the armature and field excitations to be placed separately. Through 2-D finite-element method (FEM), two motor structures with different slot/pole combinations are optimized, and then, the magnetic fields and electromagnetic performances are calculated, including inductances, no-load flux linkage, thrust characteristics, and PM demagnetization capability. By comparison, it is found that S-DSHEFRLMs show larger thrust density while I-DSHEFRLMs exhibit superior flux-adjusting capability. Finally, these predicted results are validated by 3-D FEM.

KW - Double-sided

KW - flux-reversal

KW - hybrid-excitation (HE)

KW - linear motor

KW - permanent-magnet (PM) arrangement

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Comparative Study of Two Novel Double-Sided Hybrid-Excitation Flux-Reversal Linear Motors with Surface and Interior PM Arrangements

Abstract

Keywords

ASJC Scopus subject areas

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