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Fault location using radio frequency emissions

Moore, P.J. and Bartlett, E.J. and Vaughan, M. (2001) Fault location using radio frequency emissions. In: 7th International Conference on Developments in Power System Protection, 2001-04-09 - 2001-04-12.

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Electromagnetic radiation in the form of atmospheric radio waves (or sferics) originate from power system apparatus when transient fault currents are present. This paper discusses research conducted into the reception of these events using purpose-built VLF and VHF monitoring equipment. Experience in the use of the monitoring equipment is described and typical results presented. Results of sferic propagation tests are given and current understanding of the sferic generation process is given. The paper concludes with a discussion on the potential of this technique for fault location.