Influence of Rotor-Pole Number on Electromagnetic Performance of Novel Double-Rotor Hybrid Excited Axial Switched-Flux Permanent-Magnet Machines for EV/HEV Applications

被引：12
|
作者：
Zhao, Jilong [1 ]
Quan, Xiaowei [1 ]
Sun, Xiangdong [1 ]
Lin, Mingyao [2 ]
Niu, Shuangxia [3 ]
机构：
[1] Xian Univ Technol, Sch Automat & Informat Engn, Xian 710048, Peoples R China
[2] Southeast Univ, Sch Elect Engn, Nanjing 210096, Peoples R China
[3] Hong Kong Polytech Univ, Dept Elect Engn, Hong Kong, Peoples R China
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2020年 / 56卷 / 03期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Axial field; electric vehicle; hybrid excitation; stator/rotor pole; switched flux; DESIGN;
D O I：
10.1109/TMAG.2019.2956117
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this article, a novel stator-permanent-magnet (PM) double-rotor hybrid excited axial switched-flux PM (DRHE-ASFPM) machine with improved torque density and enhanced flux regulation capability is proposed for electrical vehicle (EV) applications. The operation principle is introduced and different operating modes including only PM, flux-enhancing, and flux-weakening modes are analyzed and compared based on the 2-D finite-element analysis (FEA). The influences of different stator/rotor pole combinations on the electromagnetic performance of the DRHE-ASFPM machine, including 6-stator-pole/10-, 11-, 13-, and 14-rotor-pole, are quantitatively compared in terms of the flux linkage, back electromotive force (EMF) and spectra, air-gap flux density, cogging torque, and flux regulation capability by 3-D FEA. The analysis results demonstrate that the 6-/10- and 6-/11-pole DRHE-ASFPM machines show higher amplitude of PM flux linkage and back EMF. Meanwhile, the 6-/11- and 6-/13-pole machines display smaller cogging torque. Moreover, the 6-/11-pole machine produces more sinusoidal back EMF and has excellent flux regulation capability as well as torque output capability, which is suitable for wide speed-regulation EV applications.
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页数：6
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