Analysis and Design Optimization of Axial–Radial Flux Hybrid Excitation Permanent Magnet Eddy Current Coupling

被引:0
作者
Hongming Zhang
Chengcheng Liu
Shiwei Zhang
Youhua Wang
Gang Lei
Jianguo Zhu
机构
[1] Hebei University of Technology,State Key Laboratory of Reliability and Intelligence of Electrical Equipment, School of Electrical Engineering
[2] University of Technology Sydney,School of Electrical and Data Engineering
[3] University of Sydney,School of Electrical and Information Engineering
来源
Journal of Electrical Engineering & Technology | 2023年 / 18卷
关键词
Hybrid excitation; Permanent magnet eddy current coupling (PMEC); Electromagnetic-temperature field; Improved multilevel optimization;
D O I
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中图分类号
学科分类号
摘要
This paper proposes an axial–radial flux hybrid excitation permanent magnet eddy current coupling (HE-PMEC), where the ferrite magnet is employed for producing the radial flux and the DC excitation current is adopted for producing the axial flux. Moreover, a shielding layer is developed to regulate the radial magnetic field. Its magnetic field distribution, electromagnetic performance, and temperature distribution are calculated based on the 3D finite element method (FEM). By adjusting the applied DC excitation current density and the insertion depth of the shielding layer, the variable current starting process, the variable current braking process, and the speed regulation characteristic of the proposed HE-PMEC are obtained. It can be seen that the starting process, braking process, and speed regulation ability of the HE-PMEC have been enhanced greatly. Furthermore, the copper ring shape of the HE-PMEC is optimized by using the proposed improved multilevel optimization method. It can be seen that the performance of the HE-PMEC can be improved by using the new optimized copper ring shape. Lastly, compared with the conventional PMECs, the proposed HE-PMEC has shown its superior electromagnetic performance.
引用
收藏
页码:4231 / 4244
页数:13
相关论文
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