Analytical Determination of Optimal Split Ratio for High-Speed Permanent Magnet Brushless Motors

被引：0
|
作者：
Li, Quanwu [1 ]
Dou, Manfeng [1 ]
Fang, Chun [1 ]
机构：
[1] Northwestern Polytech Univ, Sch Automat, Xian, Peoples R China
来源：
2015 18TH INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS) | 2015年
关键词：
Brnshless motors; high-speed; permanent magnet; split ratio; optimization; DC 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：
Split ratio is an important parameter for permanent magnet brushless motors (PMBLM) since it have significant influence on torque and loss. The split ratio of low speed PMBLM has been optimized analytically in existing papers, while the iron loss is neglected. However, the iron loss in highspeed PMBLM can not be neglected. The split ratio and the maximum flux density in the stator iron is relate to both the copper loss and the iron loss closely. The split ratio, togerther with the maximum flux density in the stator iron, is optimized for maximum torque. An analytical model to determine the optimal combination of the split ratio and the maximum flux density in the stator iron for high-speed PMBLM is proposed in this paper. The analytical results are verified by finite element analysis.
引用
收藏
页码：636 / 640
页数：5
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