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Effect of Pollution Layer Thickness on Electric Field Distribution along a Polymeric Insulator

Arshad [1], A. Nekahi [1], S. McMeekin [1], M. Farzaneh [2]
[1] School of Engineering and Built Environment, Glasgow Caledonian University, United Kingdom
[2] Canada Research Chair on Atmospheric Icing Engineering of Power Networks (INGIVRE), Université du Québec à Chicoutimi, QC, Canada
Published in 2015

Electric field distributions along a polymeric insulator under wet and contaminated conditions were studied in this paper. To study the effect of pollution layer conductivity and thickness on the electric field distribution along a standard polymeric insulator, simulations were carried out with commercial simulation package COMSOL Multiphysics. Pollution layer was modeled as a conductive water layer and conductivity was varied from 10-6 to 10-3 S/m. Similarly, thickness of pollution layer was varied from 0.5 to 2 mm in steps of 0.5. It was observed during simulations that electric field intensity increases with increase in pollution layer conductivity and thickness.

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