Novel multi‐flux‐path axial flux machine with radial poles to utilize the end‐winding,International Transactions on Electrical Energy Systems

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Novel multi‐flux‐path axial flux machine with radial poles to utilize the end‐winding
International Transactions on Electrical Energy Systems ( IF 1.9 ) Pub Date : 2021-03-16 , DOI: 10.1002/2050-7038.12827
Mahir Al‐ani ₁ , Yasemin Oner ₂

Affiliation

This paper presents a novel axial flux machine with multi‐flux‐path poles to utilize the flux generated by the end‐winding. The proposed topology consists of conventional axial flux machine albeit of a new set of either stator and/or rotor radial poles located at either the inner and/or outer radius of the machine. These new set of poles utilize the end‐winding of the machine, hence, making the topology with reduced end‐winding, that is, higher utilization of the winding material. The paper explores different configurations with the radial poles in the stator and rotor at either the inner, outer or both radii of the machine. Using 3D‐FEA, electromagnetic and mechanical analyses have been conducted to understand the torque, torque density and mechanical performance of the different proposed configurations. From studying these different configurations, it is found that the radial poles can increase the torque and maintain mechanical safety when they are (1) stator poles located at the inner radius of the stator or (2) rotor poles located at the outer radius of the rotor.

中文翻译：

新型带有径向极点的多磁通路径轴向磁通机，利用端部绕组

本文介绍了一种新型的具有多磁通路径磁极的轴向磁通机，以利用端部绕组产生的磁通。所提出的拓扑结构由常规的轴向磁通电机组成，尽管新的一组定子和/或转子径向磁极位于电机的内半径和/或外半径上。这些新的磁极组利用了电机的端部绕组，因此使拓扑结构的端部绕组减少了，也就是说，绕组材料的利用率更高。本文探讨了不同的配置，其中定子和转子中的径向极分别位于电机的内半径，外半径或两个半径处。使用3D‐FEA，进行了电磁和机械分析，以了解不同建议配置的扭矩，扭矩密度和机械性能。

更新日期：2021-05-03

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