Analysis of the Influence of Winding Phase Shift of Dual Winding Permanent-Magnet Synchronous Machines on Inter-turn Short Circuit Fault

IF 1.6 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

Journal of Electrical Engineering & Technology Pub Date : 2024-06-24 DOI:10.1007/s42835-024-01934-4

Yufeng Zhang, Qiaoning Shi, Chengyu Li, Yifei Zhang, Ting Zhang, Ruiyang Zhang, Guanghui Du

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Abstract

This study delves the impact of winding phase shift on the electromagnetic characteristics of operation with fault tolerance in a dual winding permanent magnet motor (DWPMSM) experiencing faults due to inter-turn short circuits. Firstly, the analytical expressions of fault inductance and short-circuit circulating current (SCCC) for a 12-slot/10-pole DWPMSM are derived based on the theory of winding function. Secondly, finite element analysis simulation models are constructed for the purpose of comparing and analyzing the amplitude of SCCC. This analysis extends to the examination of torque characteristics in the DWPMSM across various phase shift angles and speeds. The investigation reveals that the winding with a 30° phase shift exhibits the least self-inductance, while the self-inductance of the 0° phase-shift winding and the 60° phase-shift winding is larger. The amplitude of the SCCC for a 30° winding configuration is the largest. Besides, when n = 500 rpm, the torque characteristics of the 30° winding configuration are the best. Nonetheless, when n = 2500 rpm, the torque performance degrades as the count of short-circuit turns rises. Finally, the prototype is tested to verify the short circuit fault characteristics of the DWPMSM.

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双绕组永磁同步电机绕组相移对匝间短路故障的影响分析

本研究探讨了绕组相移对因匝间短路而发生故障的双绕组永磁电机（DWPMSM）容错运行电磁特性的影响。首先，根据绕组函数理论推导出 12 槽/10 极 DWPMSM 的故障电感和短路环流（SCCC）的分析表达式。其次，为了比较和分析 SCCC 的幅值，构建了有限元分析仿真模型。这一分析还扩展到对 DWPMSM 在不同移相角和速度下的扭矩特性的研究。调查显示，相移 30° 的绕组自感最小，而相移 0° 和相移 60° 的绕组自感较大。30° 绕组配置的 SCCC 振幅最大。此外，当 n = 500 rpm 时，30° 绕组配置的扭矩特性最好。然而，当 n = 2500 rpm 时，扭矩性能会随着短路匝数的增加而降低。最后，对原型进行了测试，以验证 DWPMSM 的短路故障特性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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.