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Monitoring of dry bands and discharge activities at the surface of textured insulators with AC clean fog test conditions

Slama, Mohammed El Amine, Albano, Maurizio, Haddad, Abderrahmane Manu, Waters, Ronald T., Cwikowski, Oliver, Iddrissu, Ibrahim, Knapper, Jon and Scopes, Oliver 2021. Monitoring of dry bands and discharge activities at the surface of textured insulators with AC clean fog test conditions. Energies 14 (10) , 2914. 10.3390/en14102914

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Abstract

The aim of this study is the presentation of the results of an in-lab comparative study of electrical and thermal monitoring of artificially polluted, HTV-textured silicone rubber insulators, with different pollution levels. This work is a preliminary study of an in-situ monitoring of 400 kV SiR textured in a polluted environment. The results showed that the rms leakage current magnitude and pulses, and the average dissipated power depended on the pollution levels and the dry-bands formation. The discharge activity and their nature are governed by the pollution level and the voltage. A differentiation and a quantification between dry-band discharge onset and dry-band arc inception is highlighted.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Publisher: MDPI
ISSN: 1996-1073
Date of First Compliant Deposit: 11 June 2021
Date of Acceptance: 14 May 2021
Last Modified: 11 Jun 2021 10:30
URI: http://orca.cardiff.ac.uk/id/eprint/141851

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