Design and Analysis of Two Doubly Salient Permanent Magnet Machines

IF 1.7 3区物理与天体物理 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Applied Superconductivity Pub Date : 2024-09-25 DOI:10.1109/TASC.2024.3468071

Kaikai Guo;Chen Liu;Youguang Guo;Cong Li

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Abstract

In order to improve the torque density of doubly salient permanent magnet (PM) machine (DSPMM), two different DSPMMs (topologies I and II) with NdFeB PM materials embedded in the stator yoke are presented, and the working magnetic circuits of both topologies contain the main magnetic circuit and auxiliary magnetic circuit through the magnetic barrier beside the PMs, which can improve the air gap flux density and the torque density effectively. The optimization designs of two DSPMMs are analyzed by establishing the equivalent magnetic circuit (EMC) models at no load and load conditions. Another two traditional DSPMMs (topologies III and IV) are taken as the comparison objects, and the best optimal structure parameters of the four topologies are decided by genetic algorithm. A prototype of topology II is manufactured, and the electromagnetic performances of the four DSPMMs are revealed. It is observed that the electromagnetic performances of topology II analyzed by EMC method are in agreement with the results analyzed by finite element method and test results, and the torque of topology II is larger by 148.1%, 27.72% and 245.5% than that of topology I, III and IV, respectively.

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设计和分析两台双棘轮永磁电机

为了提高双突出永磁电机（DSPMM）的转矩密度，本文提出了两种不同的 DSPMM（拓扑结构 I 和 II），在定子磁轭中嵌入了钕铁硼永磁材料，两种拓扑结构的工作磁路均包含主磁路和通过永磁材料旁的磁屏障形成的辅助磁路，可有效提高气隙磁通密度和转矩密度。通过建立空载和负载条件下的等效磁路（EMC）模型，分析了两种 DSPMM 的优化设计。以另两种传统 DSPMM（拓扑 III 和 IV）为比较对象，通过遗传算法确定四种拓扑的最佳结构参数。制造了拓扑结构 II 的原型，并揭示了四种 DSPMM 的电磁性能。结果表明，用电磁兼容方法分析拓扑 II 的电磁性能与用有限元方法分析的结果和测试结果一致，拓扑 II 的扭矩分别比拓扑 I、III 和 IV 大 148.1%、27.72% 和 245.5%。

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

IEEE Transactions on Applied Superconductivity 工程技术-工程：电子与电气

CiteScore

3.50

自引率

33.30%

发文量

650

审稿时长

2.3 months

期刊介绍： IEEE Transactions on Applied Superconductivity (TAS) contains articles on the applications of superconductivity and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Large scale applications include magnets for power applications such as motors and generators, for magnetic resonance, for accelerators, and cable applications such as power transmission.