Sinusoidal Design and Analysis of Doubly Salient Electro-magnetic Machine With Two Different Excitation Modes

被引：0

作者：

Jiang S. ^{[1
]}

Zhou B. ^{[1
]}

Huang X. ^{[1
]}

Xiong L. ^{[1
]}

Chen J. ^{[1
]}

Wei J. ^{[1
]}

机构：

[1] Jiangsu Key Laboratory of New Energy Generation and Power Conversion, Nanjing University of Aeronautics & Astronautics, Jiangsu Province, Nanjing

来源：

Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2023年 / 43卷 / 04期

基金：

中国国家自然科学基金;

关键词：

doubly salient electro-magnetic machine (DSEM); sinusoidal design; torque ripple; vector control;

D O I：

10.13334/j.0258-8013.pcsee.212903

中图分类号：

学科分类号：

摘要：

Based on the analysis of the back electromotive force (EMF) distortion of traditional doubly salient electro-magnetic machine (DSEM), the sinusoidal design of DSEM with concentrated and distributed magnetomotive forces is carried out, which realizes sinusoidal drive of this reluctance motor and reduces the torque ripple. The sinusoidal design method by phase modulation is proposed, and the design principle is pointed out, which effectively solves the problems of back EMF distortion and low sinusoidal degree of traditional DSEM with rotor-skewing. It can be found that even number phase DSEM has complementary phases through a special pole arc design of stator and rotor, making the sinusoidal method possible. Furthermore, the method to improve the symmetry and sinusoidal quality of back EMF is proposed. Then, the sinusoidal DSEM with concentrated magnetomotive forces (SDSEM-CF), sinusoidal DSEM with distributed magnetomotive forces (SDSEM-DF) and traditional DSEM are simulated and analyzed. The SDSEM-DF prototype is developed for experimental verification due to its optimal torque performance. The total harmonic distortions (THD) of back EMF under different excitation currents are all less than 4%. Based on vector control, the sinusoidal drive of DSEM is realized without increasing the control complexity, which can greatly reduce the torque ripple. The effectiveness of DSEM sinusoidal design and sinusoidal drive to suppress torque ripple is proved by simulation and experiment, which provides a new motor type selection for high performance drive applications. ©2023 Chin.Soc.for Elec.Eng.

引用

页码：1598 / 1610

页数：12

共 28 条

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