Effect of Magnet Segmentation on Cogging Torque of Radial Flux Permanent Magnet Brushless DC Motor

被引：0
|
作者：
Pandya, Jayati [1 ]
Kapil, Amit [1 ]
机构：
[1] Nirma Univ, Inst Technol, Ahmadabad, Gujarat, India
来源：
2016 IEEE 7TH POWER INDIA INTERNATIONAL CONFERENCE (PIICON) | 2016年
关键词：
cogging torque; finite element analysis (FEA) magnet segmentation; permanent magnet BLDC motor;
D O I：
暂无
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：
Paper presents technique to reduce cogging torque of two standard rating motors by magnet segmentation technique. Initially permanent magnet BLDC motor is designed without magnet segmentation and then after magnet segmentations is varied from 1 to 4 segments. Cogging torque profile is obtained using finite element(FE) method. Peak to peak cogging torque is reduced from 0.574 N.mto 0.155 (i.e. 72.9 %) in 70 W, 350 rpm motor and 1.870 N.m to 0.732 N.m (i.e. 60.8 %) in 100 W,1500 rpm motor. Hence it is worthwhile in cogging torque reduction.
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页数：3
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