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World class computing and information science research at Strathclyde...

The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including by researchers from the Department of Computer & Information Sciences involved in mathematically structured programming, similarity and metric search, computer security, software systems, combinatronics and digital health.

The Department also includes the iSchool Research Group, which performs leading research into socio-technical phenomena and topics such as information retrieval and information seeking behaviour.

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Analysis of power system transient induced radiation for substation plant condition monitoring

Bartlett, E. and Moore, P.J. (2001) Analysis of power system transient induced radiation for substation plant condition monitoring. IEE Proceedings Generation Transmission and Distribution, 148 (3). pp. 215-221. ISSN 1350-2360

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Abstract

Electromagnetic radiation in the form of atmospheric radio waves (or sferics) originate from power system apparatus when transient currents are present. This phenomenon can occur during switching events in substations where an arc forms part of the current path, causing nonlinearities. An experimental investigation over a two-year period has collected data from sferics induced by power system substation switching transients. The paper introduces analysis techniques to extract information from the received switching transient induced sferics and to allow event identification. Digital signal processing (DSP) is used to investigate the time- and frequency-domain characteristics of the experimentally recorded signals. The possible future application of the developed techniques for condition monitoring of substation switchgear is discussed.