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RF-based partial discharge early warning system for air-insulated substations

Portugues, I. and Moore, P.J. and Glover, I.A. and Johnstone, C. and McKosky, GM and Goff, M.B. and van de Zel, L. (2009) RF-based partial discharge early warning system for air-insulated substations. IEEE Transactions on Power Delivery, 24 (1). pp. 20-29. ISSN 0885-8977

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Abstract

Partial discharges (PDs) generate wideband radio-frequency interference which can be used for noninvasive monitoring of discharges. This paper presents a novel method based on this principle for PD monitoring of substations. The significant advantage of this method lies in the ability to detect PD sources in energized equipment anywhere within a substation compound during normal operating conditions. The results obtained from the prototypes installed in the U.K. and U.S. substations are reported. Results include correlation with apparent charge and daily recordings obtained before, during, and after the failure of a 132-kV current transformer and 69-kV voltage transformer.

Item type: Article
ID code: 11813
Keywords: rf-basedpartial discharge, early warning system, air insulated substations, power systems, apparent charge, condition monitoring, impulsive noise, partial discharge, radiometric monitoring, Electrical engineering. Electronics Nuclear engineering, Energy Engineering and Power Technology, Electrical and Electronic Engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Faculty of Engineering > Mechanical and Aerospace Engineering
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    Depositing user: Strathprints Administrator
    Date Deposited: 25 May 2011 14:12
    Last modified: 04 Sep 2014 18:49
    URI: http://strathprints.strath.ac.uk/id/eprint/11813

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