音圈电动机式脉冲推力机构的计算与控制仿真

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Abstract Electromagnetic repulsion mechanism-based fast switch will find wide applications in many fields of power systems. A new permanent magnet-based motor-coil repulsion mechanism is proposed for vacuum circuit breakers, with preferable merits of simple structure, fast operation speed and high controllability. The control system of the mechanism is composed of a controllable pulsed discharge voltage source based on power electronics PWM technique and a feedback controller. With regard to optimal tracking control of switching speed of moving contacts, a methodology of direct driving force control without speed sensors is presented, simulation results of which show it is convenient for realizing dynamic optimization and fast operation. An electromagnetic relaxation scheme of triggered bypass discharge is designed to effectively counteract the bouncing phenomenon in impact of moving contacts.

Key words： Motor coil permanent magnet-based repulsion mechanism computational analysis feedback control

Received: 16 April 2007 Published: 18 February 2014

PACS:

TM561

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	Articles by authors
	Lou Jie
	Duan Yubing
	Li Qingmin
	Sun Qingsen

Cite this article:

Lou Jie,Duan Yubing,Li Qingmin等. Computational Analysis and Control Simulation of a Permanent Magent-Based Motor-Coil Repulsion Mechanism[J]. Transactions of China Electrotechnical Society, 2009, 24(11): 76-82.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2009/V24/I11/76

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