A Method of Shortening Breaking Time of the Magnetic Contactors by the External Magnetic Forces

Hyun-Kil Cho and Eun-Woong Lee
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Hyun-Kil Cho: LG Industrial systems. Ltd. Co.
Eun-Woong Lee: Chung-nam Nat’I Univ, Dept. of Electrical Engineering

A chapter in Optimization and Inverse Problems in Electromagnetism, 2003, pp 323-334 from Springer

Abstract: Abstract In this paper, the contact surface of moving and fixed contactors of 3 different arc extinction unit used for DC 100A magnetic contactor has been computed with Holm’s equation. Also, electromagnetic blowout force acting on the arc and arc velocity are analyzed using 3D FEM and the breaking time for power source DC current 100A, voltage 100V has been measured and compared computing value with measuring value.

Keywords: DC magnetic contactor; arc extinction; Blowout force; Contacts (search for similar items in EconPapers)
Date: 2003
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-94-017-2494-4_33

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DOI: 10.1007/978-94-017-2494-4_33

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