Analysis of Dynamic Characteristics of Permanent Magnet Contactor With Sensorless Displacement Profile Control

被引：38
|
作者：
Wang, Xianbing [1 ,2 ]
Lin, Heyun [1 ]
Ho, S. L. [3 ]
Fang, Shuhua [1 ]
Jin, Ping [1 ]
机构：
[1] Southeast Univ, Sch Elect Engn, Nanjing 210096, Peoples R China
[2] Xi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian 710048, Peoples R China
[3] Hong Kong Polytech Univ, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2010年 / 46卷 / 06期
基金：
中国国家自然科学基金; 国家高技术研究发展计划(863计划);
关键词：
Dynamic characteristics; intelligent control strategy; making process; permanent magnet (PM) contactor; sensorless;
D O I：
10.1109/TMAG.2010.2044753
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：
A new displacement profile control strategy based on pulse-width-modulation (PWM) for improving the dynamic characteristics and reducing the contact bounce of permanent magnet (PM) contactor during the making process is reported. Sensorless method of real time displacement signal detection is realized using magnetic circuit model (MCM) and electric circuit model (ECM). Finite element method (FEM) is used to obtain the nonlinear relationships among the flux linkage, displacement and current off-line. The information is then used for subsequent fast simulation of the dynamic characteristics of the contactor. A set of periodically inter-transferred dynamic characteristic equations are built and the complete making dynamic process of the PM contactor is simulated using 4th-order Runge-Kutta method. Experiments are carried out to validate the proposed control method on a prototype.
引用
收藏
页码：1633 / 1636
页数：4
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