Flux-Weakening Control Performance of Partitioned Stator Switched Flux PM Machines

被引：0
作者：
Evans, D. J. [1 ]
Zhu, Z. Q. [1 ]
Zhan, H. L. [1 ]
Wu, Z. Z. [1 ]
Ge, X. [1 ]
机构：
[1] Univ Sheffield, Dept Elect & Elect Engn, Sheffield, S Yorkshire, England
来源：
2015 IEEE INTERNATIONAL ELECTRIC MACHINES & DRIVES CONFERENCE (IEMDC) | 2015年
关键词：
Brushless machines; flux weakening; mechanical flux-weakening; partitioned stator; switched flux; variable flux; PERMANENT-MAGNET 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：
This paper firstly investigates the flux-weakening control performance of two types of new partitioned stator switched flux permanent magnet (PM) (PS-SFPM) machines and then proposes a novel mechanical flux-weakening technique. The PS-SFPM machine topologies, operation principles and flux weakening control methods are described. In addition, it is shown that by mechanically varying the relative position of two stators of the PS-SFPM machine, the PM flux-linkage can also be varied and hence it can provide improvement of the speed range and torque capability. The optimal relative mechanical angle is derived to enable the maximum torque capability and reduce or even avoid the flux weakening current injected by the inverter. The proposed technique is verified by 2-dimensional (2D) finite element (FE) analyses and experiments on the prototype machines.
引用
收藏
页码：391 / 397
页数：7
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