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Partial Discharge Degradation and Breakdown Studies in Polypropylene Films

Thomas, Benny and Nema, RS (1996) Partial Discharge Degradation and Breakdown Studies in Polypropylene Films. In: Conference Record of the 1996 IEEE International Symposium on Electrical Insulation, 16-19 June, Montreal,Quebec,Canada, Vol.2, 521-524.

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Abstract

Internal partial discharge characteristics are investigated on impregnated polypropylene films containing artificial cavity of well-defined dimensions, immersed in oil. Electrical breakdown studies are carried out at step-wise rising stress to evaluate constants of inverse power law model. Partial discharge pulse distribution patterns are acquired using PC interfaced multichannel analyser and statistical analysis of the discharge pulse spectrum is done by using 3-parameter Weibull distribution function. The results are compared with that for unimpregnated samples in air.

Item Type: Conference Paper
Additional Information: Copyright 1990 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 > High Voltage Engineering (merged with EE)
Date Deposited: 22 Aug 2008
Last Modified: 19 Sep 2010 04:26
URI: http://eprints.iisc.ernet.in/id/eprint/6641

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