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Flashover discharges dynamic with continuous and discontinuous pollution layer under lightning impulse stress

Slama, Mohammed El Amine and Beroual, Abderrahmane 2021. Flashover discharges dynamic with continuous and discontinuous pollution layer under lightning impulse stress. Electrical Engineering 103 , pp. 2887-2895. 10.1007/s00202-021-01258-w

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Abstract

The paper is aimed at the study of the dynamic of discharges propagating at the surface of flat PVC insulator (i) with uniform continuous pollution layer and (ii) with uniform discontinuous pollution layer of different conductivities, under lightning impulse voltage for both polarities. It is shown that the morphology of discharges, the current and the voltage as well as the discharge velocity depend on the polarity of voltage, the configuration and the conductivity of the pollution layer; and the behavior of discharges is similar to that of discharges in long air gaps.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Additional Information: This article is licensed under a Creative Commons Attribution 4.0 International License
Publisher: Springer Verlag (Germany)
ISSN: 0948-7921
Date of First Compliant Deposit: 7 May 2021
Date of Acceptance: 1 March 2021
Last Modified: 06 Jul 2023 16:46
URI: https://orca.cardiff.ac.uk/id/eprint/140973

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