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Space charge measurements in polymeric high voltage insulation materials using the LIPP method

Wu, X., Chen, G., Davies, A. E., Hampton, R. N., Suttun, S. J. and Swingler, S. G. (2001) Space charge measurements in polymeric high voltage insulation materials using the LIPP method IEEE Transactions on Dielectrics & Electrical Insulation, 8, (4), pp. 725-730.

Record type: Article

Abstract

This paper reports on a study using the laser induced pressure pulse (LIPP) method to measure the space charge characteristics in bulk cross-linked polyethylene (XLPE) insulation under dc electric stress. Particular attention has been given to the quantitative appraisal of calibration parameters, and the resultant estimations of space charge and electric stress distributions. A method is described for analysing the measured raw data from ramp voltage and ageing tests to give an estimate of charge and stress without resorting to a complicated mathematical exercise. The consequence of stress enhancement due to the trapped charge on the life of the insulation is estimated using the empirical inverse law. Using analysis of variance and a multivariate analysis technique, the effects of treatment and type of XLPE on the space charge characteristics are also discussed.

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More information

Published date: August 2001
Organisations: Electronics & Computer Science, EEE

Identifiers

Local EPrints ID: 256414
URI: http://eprints.soton.ac.uk/id/eprint/256414
ISSN: 1070-9878
PURE UUID: c09f3ca2-a555-45a1-88d7-2a95c576d9a2

Catalogue record

Date deposited: 25 Mar 2002
Last modified: 18 Jul 2017 09:46

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Contributors

Author: X. Wu
Author: G. Chen
Author: A. E. Davies
Author: R. N. Hampton
Author: S. J. Suttun
Author: S. G. Swingler

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