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Arc root mobility during contact opening at high current

Record type: Conference or Workshop Item (Paper)

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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Citation

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. Institute of Electrical and Electronics Engineers., pp. 27-34. (doi:10.1109/HOLM.1996.557176).

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, 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

Catalogue record

Date deposited: 03 Nov 2006
Last modified: 17 Jul 2017 16:27

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Contributors

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

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