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Non-Arcing Circuit Breaking Phenomena in Electrical Contacts due to Dark Bridge
IEICE TRANSACTIONS on Electronics
Publication Date: 2020/05/01
Online ISSN: 1745-1353
Type of Manuscript: PAPER
Category: Electromechanical Devices and Components
electrical contacts, dark bridge, non-arcing circuit breaking phenomena,
Full Text: PDF(2MB)>>
In this paper, experimental data of non-arcing circuit breaking phenomena in electrical contacts are presented. A dark bridge that is a non-luminous bridge between electrical contacts is an effective factor for the non-arcing circuit break. A facility of a cantilever system was established to precisely control a position of an electrode. By using this facility, dark bridges between contacts were made and the dark bridges were observed by a microscopic camera system.