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Magnetic Circuit Modeling of Dual-Armature Flux-Switching Permanent Magnet Machine
IEEE Transactions on Magnetics ( IF 2.1 ) Pub Date : 2021-01-01 , DOI: 10.1109/tmag.2020.3035280
Jiabei Zhu , Lijian Wu , Wenpeng Zheng , Qihui Zhou , Tingbin Li

Three lumped-parameter magnetic circuit (LMC) models of dual-armature flux-switching permanent magnet (DA-FSPM) machines are proposed and compared in this article. First, the characteristics of the magnetic flux fields produced by the PM, stator armature reaction, and rotor armature reaction flux sources are analyzed, with particular attention paid to the air-gap and slot leakage flux paths. Based on the former analyses, three LMC models are developed, which consider the air-gap and slot leakage permeances in different ways. The electromagnetic performances of the DA-FSPM machines are predicted by the three LMC models and validated by the finite-element method, including the flux linkage, average torque, inductance, and power factor. The model accuracy sensitivity to the geometric parameters, copper loss allocation, electric loading, stator pole/rotor tooth number combinations, power level, and conductor distributions are analyzed. It shows that appropriate consideration of slot leakage permeance is important to improve the model accuracy.

中文翻译:

双衔铁磁通开关永磁电机的磁路建模

本文提出并比较了双电枢磁通开关永磁 (DA-FSPM) 电机的三种集总参数磁路 (LMC) 模型。首先,分析了永磁体、定子电枢反应和转子电枢反应磁通源产生的磁通场的特性,特别注意气隙和槽漏磁通路径。在前面的分析的基础上,开发了三个 LMC 模型,它们以不同的方式考虑了气隙和槽泄漏渗透。DA-FSPM 电机的电磁性能由三个 LMC 模型预测并通过有限元方法进行验证,包括磁链、平均转矩、电感和功率因数。模型精度对几何参数、铜损分配、电负载、分析了定子极/转子齿数组合、功率水平和导体分布。这表明适当考虑槽泄漏磁导率对于提高模型精度很重要。
更新日期:2021-01-01
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