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Chromatic classification of RF signals produced by electrical discharges in HV transformers

Zhang, J, Jones, G R, Spencer, J W, Jarman, P, Kemp, I J, Wang, Z, Lewin, P L and Aggarwal, R K (2005) Chromatic classification of RF signals produced by electrical discharges in HV transformers IEE Proc. Generation, Transmission and Distribution, 152, (5), pp. 629-634.

Record type: Article

Abstract

The results of investigations into the use of chromatic processing of radio frequency signals emitted from transformers known to be suffering from partial discharging are described. The work formed part of a project operated by National Grid Transco involving several industrial parties and UK universities. The chromatic processing methodology developed at the University of Liverpool has been explored for discriminating between various radio frequency signals measured with different techniques, by Glasgow Caledonian University, UMIST, the University of Southampton and the University of Bath. Such discrimination is based on three chromatic parameters: hue dominant frequency), lightness (nominal signal strength) and saturation (effective signal bandwidth). The chromatic results are capable of yielding patterns, which appear to be associated with indications of discharges of different types and from different sources/locations.

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More information

Published date: September 2005
Organisations: Electronics & Computer Science, EEE

Identifiers

Local EPrints ID: 261524
URI: http://eprints.soton.ac.uk/id/eprint/261524
ISSN: 1350-2360
PURE UUID: ce75b739-f5ac-4bc8-8a75-88420817defe

Catalogue record

Date deposited: 28 Oct 2005
Last modified: 18 Jul 2017 09:02

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Contributors

Author: J Zhang
Author: G R Jones
Author: J W Spencer
Author: P Jarman
Author: I J Kemp
Author: Z Wang
Author: P L Lewin
Author: R K Aggarwal

University divisions

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