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Proceedings Paper

Research on the displacement control method of asynchronous modular contactor
Author(s): Gong He; Zong Ming
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Paper Abstract

Ac contactor is a kind of low voltage electrical appliances with large usage and wide application. Because of the frequent operation, contactor life must be long enough to ensure the reliable operation of power system. The electrical life of the contactor, as the key to affect the service life of the contactor, is mainly affected by the arc developed in the breaking and closing course. This paper concentrates on a new type of asynchronous modular contactor. To get the contactor movement characteristics, the dynamic model of the electromagnetic system is established by MATLAB/SIMULINK. Then, according to the displacement curve of contactor, the breaking process and closing process is planned. The thought of closed loop control, by adjusting the parameters of PID controller, enables the contactor to operate as the planning displacement curve. In addition, to achieve no arc or micro arc breaking and no bounce or micro bounce closing , a displacement closed loop control system for contactor is designed.

Paper Details

Date Published: 23 January 2017
PDF: 5 pages
Proc. SPIE 10322, Seventh International Conference on Electronics and Information Engineering, 103220G (23 January 2017); doi: 10.1117/12.2265159
Show Author Affiliations
Gong He, Shenyang Univ. of Technology (China)
Zong Ming, Shenyang Univ. of Technology (China)


Published in SPIE Proceedings Vol. 10322:
Seventh International Conference on Electronics and Information Engineering
Xiyuan Chen, Editor(s)

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