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Accelerated weathering of distribution class polymeric insulators

Venkatesulu, B and Thomas, MJ (2010) Accelerated weathering of distribution class polymeric insulators. In: High Voltage Engineering and Application (ICHVE), 2010 International Conference on , 11-14 Oct. 2010, New Orleans, LA.

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Abstract

This paper deals with the long-term accelerated weathering of 11 kV polymeric insulators for 25000 h. Polymeric insulators were continuously subjected to accelerated weathering in a specially designed multistress-aging chamber under UV radiation, temperature and electric stress. Chemical, physical and electrical changes due to degradation have been assessed using various techniques. Some of the interesting results observed indicate that there is a significant reduction in the content of low molecular weight molecules, hydrophobicity was dynamic in nature and there is a significant increase in the surface roughness and oxidation levels with respect to the duration of the weathering.

Item Type: Conference Paper
Additional Information: Copyright 2010 IEEE. Personal use of this material is permitted.However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 20 Dec 2011 06:18
Last Modified: 20 Dec 2011 06:18
URI: http://eprints.iisc.ernet.in/id/eprint/39065

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