The Torque Ripple Reduction in PMAREL Machine Using Time-Space Harmonics Analysis of Air-Gap Flux Density

Dong Yan; Zhiwei Chen; Zhiqiang WangHuimin WangTingna ShiChangliang Xia

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The Torque Ripple Reduction in PMAREL Machine Using Time-Space Harmonics Analysis of Air-Gap Flux Density

机译：The Torque Ripple Reduction in PMAREL Machine Using Time-Space Harmonics Analysis of Air-Gap Flux Density

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摘要

Torque ripple reduction for permanent magnet assisted reluctance (PMAREL) machine has always been concerned by designers. In order to seek the internal factors of torque ripple for PMAREL, this article proposes an effective torque calculation model considering air-gap field time-space harmonics using finite element method (FEM) combined with two-dimensional fast Fourier transform (2D-FFT). It can be used to investigate the contribution of air-gap field time-space harmonics to average torque and torque ripple, and precisely extract the characteristic components of the air-gap field time-space harmonics that contribute to the torque. Besides, the details of time-space harmonic order, movement form, magnitude and initial phase will be obtained from the characteristic components. Hence, the time-space harmonics of air-gap field that mainly contribute to the torque ripple can be found through this model and suppressed by adjusting the angles of the flux-barrier ends for making torque smooth. According to the optimized design, a 36-slot 4-pole PMAREL is manufactured and tested. Both finite element analysis and experimental results confirm the effectiveness of the proposed model.

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来源
《IEEE Transactions on Industrial Electronics》 |2022年第3期|2390-2401|共12页
作者
Dong Yan; Zhiwei Chen; Zhiqiang WangHuimin WangTingna ShiChangliang Xia;
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作者单位

Tianjin University;

Tiangong University;

Zhejiang University;

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正文语种英语
中图分类无线电电子学、电信技术;
关键词
Air-gap field; permanent magnet assisted reluctance (PMAREL) machine; time-space harmonic; torque calculation model; torque ripple; two-dimensional fast Fourier transform (2D-FFT); Air gaps; Harmonic analysis; Torque; Torque measurement; Atmospheric modeling; Finite element analysis; Magnetic fields;

The Torque Ripple Reduction in PMAREL Machine Using Time-Space Harmonics Analysis of Air-Gap Flux Density

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