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A study of partial discharge characteristics in oil impregnated pressboard insulation

Mohsin, MM and Narayanachar, MN and Nema, RS (1996) A study of partial discharge characteristics in oil impregnated pressboard insulation. In: 1996 IEEE International Symposium on Electrical Insulation, JUN 16-19, 1996, MONTREAL, CANADA.

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Abstract

An attempt has been made to study the effect of time and test procedure on the behaviour of partial discharge (PD) pulses causing failure of oil-pressboard system under power frequency voltages using circular disc shaped samples and uniform field electrodes. Weibull statistics have been used to handle the large amount of PD data. The PD phenomena has been found to be stress and time dependent. On the basis of stress level, three different regions are identified and in one of the regions, the rate of deterioration of the sample is at a maximum. The work presents some interesting features of Weibull parameters as related to the condition of insulation studied in addition to its usual PD characteristics

Item Type: Conference Paper
Additional Information: Copyright 1996 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: 21 Apr 2011 06:59
Last Modified: 21 Apr 2011 06:59
URI: http://eprints.iisc.ernet.in/id/eprint/37039

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