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Numerical analysis of switching performance evaluators in low-voltage switching devices

Numerical analysis of switching performance evaluators in low-voltage switching devices
Numerical analysis of switching performance evaluators in low-voltage switching devices
An arc modelling is a valuable and useful tool to evaluate the switching performance of low-voltage switching devices (LVSDs) during breaking operation before testing real products. Moreover, it helps improve interruption capability of LVSDs and optimize them. This paper focuses on the numerical simulation of the arc behavior in AC devices before zero current and prediction of the re-ignition after current zero based on the simulated arc voltage. The 3-D arc modelling is based on the conventional magnetohydrodynamics theory and it considers the motion of a contact, arc root, radiation and air properties which vary with the temperature and pressure.
Shin, D.
1d29980e-4426-416b-858e-1b5c7734183b
Golosnoy, I.O.
40603f91-7488-49ea-830f-24dd930573d1
McBride, J.W.
d9429c29-9361-4747-9ba3-376297cb8770
Shin, D.
1d29980e-4426-416b-858e-1b5c7734183b
Golosnoy, I.O.
40603f91-7488-49ea-830f-24dd930573d1
McBride, J.W.
d9429c29-9361-4747-9ba3-376297cb8770

Shin, D., Golosnoy, I.O. and McBride, J.W. (2015) Numerical analysis of switching performance evaluators in low-voltage switching devices. ISEF 2015 - XVII International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering, Spain. 10 - 12 Sep 2015. 8 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

An arc modelling is a valuable and useful tool to evaluate the switching performance of low-voltage switching devices (LVSDs) during breaking operation before testing real products. Moreover, it helps improve interruption capability of LVSDs and optimize them. This paper focuses on the numerical simulation of the arc behavior in AC devices before zero current and prediction of the re-ignition after current zero based on the simulated arc voltage. The 3-D arc modelling is based on the conventional magnetohydrodynamics theory and it considers the motion of a contact, arc root, radiation and air properties which vary with the temperature and pressure.

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Accepted/In Press date: July 2015
Published date: September 2015
Venue - Dates: ISEF 2015 - XVII International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering, Spain, 2015-09-10 - 2015-09-12
Organisations: EEE

Identifiers

Local EPrints ID: 380288
URI: http://eprints.soton.ac.uk/id/eprint/380288
PURE UUID: 1a0eed73-9a1a-4540-834d-8cdf83dc26b3

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Date deposited: 08 Sep 2015 12:55
Last modified: 17 Jul 2017 20:36

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