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A new model for recovery voltage of oil-paper insulation system

Record type: Conference or Workshop Item (Paper)

A theoretical description of recovery voltage on oil-paper insulation systems based on interfacial charge movements is proposed as an alternative to traditional RC-circuit model. The traditional model produces responses that are linear superposition of exponential functions. However the recovery voltage observed in actual time-domain measurement does not conform to the exponential descriptions. This is especially true to the tail of recovery voltage which decay sub exponentially at the rate of rather than exponentially. More data points need more time constants to describe because the curve is intrinsically non-exponential. The interfacial charge model also suggests that the recovery voltage of pressboard can be viewed as reflecting two major processes of charge movements and transfer.

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Citation

Kuang, Y C, Chen, G and Jarman, P (2004) A new model for recovery voltage of oil-paper insulation system At 2004 Intenational Conference on Solid Dielectrics, France. 05 - 09 Jul 2004. , pp. 582-585.

More information

Published date: 2004
Additional Information: Event Dates: July 5--9
Venue - Dates: 2004 Intenational Conference on Solid Dielectrics, France, 2004-07-05 - 2004-07-09
Keywords: Recovery voltage, oil-paper insulation, modelling
Organisations: Electronics & Computer Science, EEE

Identifiers

Local EPrints ID: 260164
URI: http://eprints.soton.ac.uk/id/eprint/260164
ISBN: 0-7803-8348-6
PURE UUID: a55523e8-7558-467a-83b6-a3da8452a88c

Catalogue record

Date deposited: 01 Dec 2004
Last modified: 18 Jul 2017 09:15

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Contributors

Author: Y C Kuang
Author: G Chen
Author: P Jarman

University divisions


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