A Variable-Flux Hybrid-PM Switched-Flux Memory Machine for EV/HEV Applications

被引：65
|
作者：
Yang, Hui [1 ]
Lin, Heyun [1 ]
Zhu, Z. Q. [2 ]
Wang, Dong [1 ]
Fang, Shuhua [1 ]
Huang, Yunkai [1 ]
机构：
[1] Southeast Univ, Minist Educ, Engn Res Ctr Mot Control, Nanjing 21009, Jiangsu, Peoples R China
[2] Univ Sheffield, Dept Elect & Elect Engn, Mappin St, Sheffield S1 3JD, S Yorkshire, England
来源：
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2016年 / 52卷 / 03期
基金：
中国国家自然科学基金; 高等学校博士学科点专项科研基金;
关键词：
Automotive; hybrid-permanent magnet (PM); memory machine (MM); switched flux; variable flux; PERMANENT-MAGNET MACHINES; ELECTRICAL MACHINES; MOTOR; SUPPRESSION; DESIGN; DRIVES;
D O I：
10.1109/TIA.2016.2524400
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, a novel topology of hybrid-permanent-magnet switched-flux memory machine (HPM-SFMM) is proposed, which is characterized by a conventional SFPM machine with embedded "V"-shaped Al-Ni-Co magnet poles. The proposed machine combines the distinct synergies of torque enhancement in neodymium-iron-boron (NdFeB) PM and flux variability in aluminum-nickel-cobalt (AlNiCo) PM. By changing the magnetization directions of Al-Ni-Co magnets, the wide-speed-range high-efficiency operation can be readily achieved, which is highly favorable for automotive applications. The configuration and operating principle of the machine are first described, and the combination of stator/rotor pole numbers is optimized. In addition, the torque density/flux adjusting capability as the functions of dual-magnet dimensions are analytically derived. The magnet hybridizing proportion is optimized in order to achieve a favorite tradeoff between flux adjusting range and torque density improvement. Then, the electromagnetic performance of the proposed HPM-SFMM is investigated. Finally, a 12/14-stator/rotor pole prototype is fabricated to experimentally verify the analysis.
引用
收藏
页码：2203 / 2214
页数：12
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