Quantitative comparison of distinct dual-stator permanent magnet vernier machines for direct-drive applications

Zaixin Song; Chunhua Liu; Hang Zhao

doi:10.1109/TMAG.2019.2914718

Quantitative comparison of distinct dual-stator permanent magnet vernier machines for direct-drive applications

Zaixin Song, Chunhua Liu, Hang Zhao

Research output: Journal article publication › Journal article › Academic research › peer-review

21 Citations (Scopus)

Abstract

This paper proposes dual-stator permanent magnet Vernier (DS-PMV) machines for direct-drive applications. Also, the quantitative comparison of DS-PMV machines is carried out in terms of no-load performance and output torque characteristic. First, the operation principle is elaborated. Then, the theoretical expressions of air-gap magnetic fields are derived through the magnetic circuit approach. Moreover, the basic machine performances with different pole-slot configurations are quantitatively compared. The corresponding demonstration results are given, which verify that the designs without auxiliary teeth tend to have lower amplitudes of back electromotive force (EMF) harmonics, higher rated average torque, and lower torque ripple.

Original language	English
Article number	8721654
Number of pages	6
Journal	IEEE Transactions on Magnetics
Volume	55
Issue number	7
DOIs	https://doi.org/10.1109/TMAG.2019.2914718
Publication status	Published - Jul 2019
Externally published	Yes

Keywords

Direct drive
dual-stator (DS)
high torque density
permanent magnet (PM)
Vernier machine

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

More information

10.1109/TMAG.2019.2914718

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title = "Quantitative comparison of distinct dual-stator permanent magnet vernier machines for direct-drive applications",

abstract = "This paper proposes dual-stator permanent magnet Vernier (DS-PMV) machines for direct-drive applications. Also, the quantitative comparison of DS-PMV machines is carried out in terms of no-load performance and output torque characteristic. First, the operation principle is elaborated. Then, the theoretical expressions of air-gap magnetic fields are derived through the magnetic circuit approach. Moreover, the basic machine performances with different pole-slot configurations are quantitatively compared. The corresponding demonstration results are given, which verify that the designs without auxiliary teeth tend to have lower amplitudes of back electromotive force (EMF) harmonics, higher rated average torque, and lower torque ripple.",

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AU - Zhao, Hang

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N2 - This paper proposes dual-stator permanent magnet Vernier (DS-PMV) machines for direct-drive applications. Also, the quantitative comparison of DS-PMV machines is carried out in terms of no-load performance and output torque characteristic. First, the operation principle is elaborated. Then, the theoretical expressions of air-gap magnetic fields are derived through the magnetic circuit approach. Moreover, the basic machine performances with different pole-slot configurations are quantitatively compared. The corresponding demonstration results are given, which verify that the designs without auxiliary teeth tend to have lower amplitudes of back electromotive force (EMF) harmonics, higher rated average torque, and lower torque ripple.

AB - This paper proposes dual-stator permanent magnet Vernier (DS-PMV) machines for direct-drive applications. Also, the quantitative comparison of DS-PMV machines is carried out in terms of no-load performance and output torque characteristic. First, the operation principle is elaborated. Then, the theoretical expressions of air-gap magnetic fields are derived through the magnetic circuit approach. Moreover, the basic machine performances with different pole-slot configurations are quantitatively compared. The corresponding demonstration results are given, which verify that the designs without auxiliary teeth tend to have lower amplitudes of back electromotive force (EMF) harmonics, higher rated average torque, and lower torque ripple.

KW - Direct drive

KW - dual-stator (DS)

KW - high torque density

KW - permanent magnet (PM)

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Quantitative comparison of distinct dual-stator permanent magnet vernier machines for direct-drive applications

Abstract

Keywords

ASJC Scopus subject areas

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