Improved Torque Density of a Permanent Magnet Brushless AC Motor with Novel Pulse Width Modulation Magnet for Electrified Application

被引：0
|
作者：
Song, Zaixin [1 ,2 ]
Liu, Chunhua [1 ,2 ]
Zhao, Hang [1 ,2 ]
机构：
[1] City Univ Hong Kong, Sch Energy & Environm, Hong Kong, Peoples R China
[2] City Univ Hong Kong, Shenzhen Res Inst, Shenzhen, Peoples R China
来源：
IECON 2020: THE 46TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY | 2020年
关键词：
Electrified propulsion; in-wheel motor; permanent magnet brushless motor; torque density; pulse width modulation; slotless;
D O I：
10.1109/iecon43393.2020.9255217
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Researchers have recently attached more attention on permanent magnet brushless AC motors for electrified propulsion. Considering the further improvement of torque density, this paper proposes a novel pulse width modulation (PWM) magnet array and quantitatively analyzes the magnetic field with different magnet configurations. It is a good potential for reducing the magnet volume. Based on a slotless motor design which eliminates the influence of additional harmonic sources except for that from magnets, investigations on motor performance with proposed magnet array are made. Also, the improvement of torque density is discussed and verified.
引用
收藏
页码：4691 / 4696
页数：6
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