Magnetic field analysis and control strategy of permanent magnet actuator for low voltage vacuum circuit breaker

被引：0
作者：
Fang Shuhua [1 ]
Lin Heyun [1 ]
Yang Chenfeng [1 ]
Liu Xiping [1 ]
Guo Jian [1 ]
机构：
[1] Southeast Univ, Sch Elect Engn, Nanjing 210018, Jiangsu, Peoples R China
来源：
2007 INTERNATIONAL CONFERENCE ON POWER ELECTRONICS AND DRIVE SYSTEMS, VOLS 1-4 | 2007年
关键词：
permanent magnet actuator; finite element method; vacuum circuit breaker; open-loop control; closed-loop control;
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：
Permanent magnet actuator has such advantages as free-maintenance and high reliability. In this paper, a new type of permanent magnet actuator used for lower voltage circuit breaker is analyzed based on 3-D finite element method. Typical flux density distributions are computed with different currents. Two control strategies, open-loop control and closed-loop control, for the permanent magnet actuator to make or break breaker is presented in detail. The experimental results of two control strategies show that closed-loop control can achieve good performance than open-loop control.
引用
收藏
页码：745 / +
页数：2
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