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Breaking Contact Phenomena of a Time-coordinated Non-arcing Relay
Noboru WAKATSUKI Hiroshi HONMA
IEICE TRANSACTIONS on Electronics
Publication Date: 2008/08/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Recent Development of Electromechanical Devices(Selected Papers from IS-EMD2007))
Category: Contact Phenomena
arc ignition, electric contacts, electromagnetic relays, transient current switch circuit,
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VI time responses of a conventional electromagnetic relay during breaking contact operations were measured. In a conventional switching circuit, unstable contact resistance, irregular bouncing, and poor reproducibility were confirmed. Using a transient current switch circuit and two sharpened contact electrodes, bouncing during a breaking operation was suppressed, and unstable contact resistance changes and reproducibility of breaking operation were also improved.