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Arc root mobility during contact opening at high current

Arc root mobility during contact opening at high current
Arc root mobility during contact opening at high current
This paper presents a test system, designed for the investigation of short circuit arcs related to miniature circuit breakers operating in a 240 Volt, ac supply. An optical fibre imaging system presented previously is used to identify arc root motion, with short circuit current up to 6kA. Two methods arc used to measure contact motion, a non-contact linear position sensor, and the optical fibre array. The optical fibre array uses software image processing to identify the position of the arc roots in the arc chamber. The identification of the arc roots allows for a study of the arc immobility at the initial stages of the event. Initial results are presented on the effect of supply polarity on arc root motion.
0780335783
27-34
IEEE
McBride, J.W.
d9429c29-9361-4747-9ba3-376297cb8770
Weaver, P.M.
649cbff1-3909-4d09-bab6-79ef325089d0
Jeffery, P.
92023843-68b7-4bd2-a969-c668bbaa7318
McBride, J.W.
d9429c29-9361-4747-9ba3-376297cb8770
Weaver, P.M.
649cbff1-3909-4d09-bab6-79ef325089d0
Jeffery, P.
92023843-68b7-4bd2-a969-c668bbaa7318

McBride, J.W., Weaver, P.M. and Jeffery, P. (1996) Arc root mobility during contact opening at high current. In Proceedings of the Forty-Second IEEE Holm Conference on Electrical Contacts, 1996. Joint with the 18th International Conference on Electrical Contacts. IEEE. pp. 27-34 . (doi:10.1109/HOLM.1996.557176).

Record type: Conference or Workshop Item (Paper)

Abstract

This paper presents a test system, designed for the investigation of short circuit arcs related to miniature circuit breakers operating in a 240 Volt, ac supply. An optical fibre imaging system presented previously is used to identify arc root motion, with short circuit current up to 6kA. Two methods arc used to measure contact motion, a non-contact linear position sensor, and the optical fibre array. The optical fibre array uses software image processing to identify the position of the arc roots in the arc chamber. The identification of the arc roots allows for a study of the arc immobility at the initial stages of the event. Initial results are presented on the effect of supply polarity on arc root motion.

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More information

Published date: September 1996
Venue - Dates: Forty-Second IEEE Holm Conference on Electrical Contacts, 1996. Joint with the 18th International Conference on Electrical Contacts, Chicago, USA, 1996-09-16 - 1996-09-20

Identifiers

Local EPrints ID: 21119
URI: http://eprints.soton.ac.uk/id/eprint/21119
ISBN: 0780335783
PURE UUID: 9d934967-3fe6-4a70-9829-b9266e7d3330
ORCID for J.W. McBride: ORCID iD orcid.org/0000-0002-3024-0326

Catalogue record

Date deposited: 03 Nov 2006
Last modified: 16 Mar 2024 02:37

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Contributors

Author: J.W. McBride ORCID iD
Author: P.M. Weaver
Author: P. Jeffery

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