Radial and axial force calculation of BLDC motor with passive magnetic bearing

被引：0
|
作者：
Wang, FX [1 ]
Wang, JQ [1 ]
Kong, ZG [1 ]
Zhang, FG [1 ]
机构：
[1] Shenyang Univ Technol, Sch Elect Engn, Shenyang 110023, Peoples R China
来源：
IPEMC 2004: THE 4TH INTERNATIONAL POWER ELECTRONICS AND MOTION CONTROL CONFERENCE, VOLS 1-3, CONFERENCE PROCEEDINGS | 2004年
关键词：
radial force; axial force; calculation; BLDC motor; passive magnetic bearing;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A new structure of brushless DC (BLDC) motor with passive magnetic hearings is introduced in this paper. The magnetic suspension of the rotor is realized by using the proposed passive magnetic bearings and does not need to be controlled. The axial stability of the rotor can be obtained by the radial force of the passive magnetic bearings and by the instinctive behavior of the PM motor in axial alignment of the stator and rotor. The radial magnetic suspension of the machine rotor can be realized by the optimal design of the air-gap length, thickness and axial length of the PM rings both of the passive magnetic bearings and the BLDC motor based on the accurate calculation of radial and axial forces.
引用
收藏
页码：290 / 293
页数：4
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