Novel Magnetic-Field-Shifting Techniques in Asymmetric Rotor Pole Interior PM Machines With Enhanced Torque Density

被引：28
|
作者：
Zhu, Zi-Qiang [1 ]
Xiao, Yang [1 ]
机构：
[1] Univ Sheffield, Dept Elect & Elect Engn, Sheffield S1 3JD, S Yorkshire, England
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2022年 / 58卷 / 02期
关键词：
Rotors; Torque; Topology; Geometry; Couplings; Magnetic cores; Stator cores; Asymmetric rotor pole interior permanent magnet (AIPM); magnetic-field-shifting (MFS); permanent magnet (PM) torque; reluctance torque; WEAKENING PERFORMANCE; SYNCHRONOUS MOTOR; DESIGN; HYBRID; OPTIMIZATION; DRIVES;
D O I：
10.1109/TMAG.2021.3076418
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：
This article overviews novel magnetic-field-shifting techniques for enhancing the torque in a new class of asymmetric rotor pole interior permanent magnet (AIPM) machines. The principle for torque enhancement is introduced first. AIPM topologies are then categorized in terms of asymmetries and symmetries of PM configuration and rotor core geometry. Subsequently, the merits and demerits of various AIPM rotor topologies in each category are analyzed and compared. Finally, the torque capabilities of selected AIPM machines are compared.
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页数：10
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