Comprehensive Comparison of Stator-PM and Rotor-PM Axial Field PM Machines

IF 1.7 3区物理与天体物理 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Transactions on Applied Superconductivity Pub Date : 2024-11-07 DOI:10.1109/TASC.2024.3493773

Jilong Zhao;Qingfeng Han;Qing Wang;Lixuan Wang;Lei Wang

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Abstract

In this paper, an axial field rotor consequent pole permanent magnet (PM) (AFRCPPM) machine and an axial field flux-switching permanent magnet (AFFSPM) machine are comparatively investigated from comprehensive performance. First, the air gap field modulation principle is analyzed. Second, the torque equations are derived and the torque quality improvement principles are revealed. The influence mechanism of the key structural parameters on the torque quality is analyzed, which reflects the similarities and differences in parameter sensitivity between two machines. The optimization scheme is obtained and carried out. Then, the best design is determined. Finally, the comprehensive performances of two machines with same overall dimensions, material characteristics and operating speed are comparatively researched. The improvement in terms of power/torque density, PM utilization, space utilization, torque quality and overload capacity in the AFRCPPM machine is achieved, while inheriting the merits of the AFFSPM machine. Moreover, the superiority and rationality of the AFRCPPM machine are verified.

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轴向磁场永磁发电机定子-永磁发电机和转子-永磁发电机的综合比较

本文从综合性能方面对轴向磁场转子随动磁极永磁（AFRCPPM）机和轴向磁场磁通开关永磁（AFFSPM）机进行了比较研究。首先，分析了气隙场调制原理。其次，推导了扭矩方程，揭示了扭矩质量改进原理。分析了关键结构参数对扭矩质量的影响机理，反映了两台机器在参数敏感性方面的异同。得出并实施了优化方案。然后，确定了最佳设计方案。最后，对具有相同总体尺寸、材料特性和运行速度的两台机器的综合性能进行比较研究。在继承 AFFSPM 机器优点的基础上，AFRCPPM 机器在功率/转矩密度、PM 利用率、空间利用率、转矩质量和过载能力等方面都有所提高。此外，还验证了 AFRCPPM 机器的优越性和合理性。

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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.