The Effect of Stator–Rotor Slot Combination on Electromagnetic Vibration of High-Voltage Line-Starting Permanent Magnet Synchronous Motor

IF 1.6 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC Journal of Electrical Engineering & Technology Pub Date : 2024-08-30 DOI:10.1007/s42835-024-02022-3

Cunxiang Yang, Si Chen, Hongbo Qiu, Yiming Wang, Zhenxiang Lian

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Abstract

High voltage line-starting permanent magnet synchronous motor (HVLSPMSM) have the advantages of induction motors in terms of ease of operation and maintenance. However, due to the slot structure of the stator and rotor, the electromagnetic force composition is complex, which causes the vibration characteristics of HVLSPMSM to change. In order to analyze the influence of stator–rotor slot combinations on the vibration of HVLSPMSM. In this paper, a 10 kV HVLSPMSM is taken as an example to study. Firstly, the mathematical model of HVLSPMSM is established and the air gap magnetic flux density distribution characteristics are obtained for different stator–rotor slot combinations. The expression of the air gap electromagnetic force density (AEFD) of HVLSPMSM is derived by Maxwell tensor method, and the effect of different stator–rotor slot combinations on AEFD is revealed. Further, based on the theory of stator tooth modulation, the sources of equivalent concentrated forces (ECFs) under for different stator–rotor slot combinations are analyzed and the effect of stator–rotor slot combinations on electromagnetic vibration is determined. Next, the electromagnetic–mechanical coupled model of HVLSPMSM is established, and the electromagnetic and vibration characteristics under different stator–rotor slot combinations are solved, and the effect of stator–rotor slot combinations on motor vibration is obtained. Finally, the electromagnetic experiment is conducted to validate the analysis.

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定子-转子槽组合对高压线路启动永磁同步电机电磁振动的影响

高压线启动永磁同步电机（HVLSPMSM）具有感应电机易于操作和维护的优点。然而，由于定子和转子的槽结构，电磁力构成复杂，导致 HVLSPMSM 的振动特性发生变化。为了分析定转子槽组合对 HVLSPMSM 振动的影响。本文以 10 kV HVLSPMSM 为例进行研究。首先，建立了 HVLSPMSM 的数学模型，并得到了不同定转子槽组合的气隙磁通密度分布特性。通过麦克斯韦张量法推导出 HVLSPMSM 的气隙电磁力密度（AEFD）表达式，并揭示了不同定转子槽组合对 AEFD 的影响。此外，基于定子齿调制理论，分析了不同定转子槽组合下的等效集中力（ECF）来源，并确定了定转子槽组合对电磁振动的影响。接着，建立了 HVLSPMSM 的电磁-机械耦合模型，求解了不同定转子槽组合下的电磁特性和振动特性，得到了定转子槽组合对电机振动的影响。最后，进行了电磁实验来验证分析结果。

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来源期刊

Journal of Electrical Engineering & Technology ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

4.00

自引率

15.80%

发文量

321

审稿时长

3.8 months

期刊介绍： ournal of Electrical Engineering and Technology (JEET), which is the official publication of the Korean Institute of Electrical Engineers (KIEE) being published bimonthly, released the first issue in March 2006.The journal is open to submission from scholars and experts in the wide areas of electrical engineering technologies. The scope of the journal includes all issues in the field of Electrical Engineering and Technology. Included are techniques for electrical power engineering, electrical machinery and energy conversion systems, electrophysics and applications, information and controls.