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Preliminary investigation on the feasibility of radiometric techniques to detect faults in buried cable joints

Preliminary investigation on the feasibility of radiometric techniques to detect faults in buried cable joints
Preliminary investigation on the feasibility of radiometric techniques to detect faults in buried cable joints
This paper investigates the preliminary use of radiometric techniques to the detection of PDs in buried cables, and in particular to cable joints. The transfer function from the source to the detector is a function of the propagation characteristics of the media involved. In the case of radiometric detection the inclusion of soil, in general a lossy and dispersive medium with frequency and content dependent characteristics, further contributes to signal attenuation. The work undertaken here examines whether a repetitive pulse of varying amplitude and frequency, injected into an experimental arrangement that simulates buried power cables, is being detected by two simple antennae above ground. Successful detection of the pulses showed the preliminary possibility of the use of such techniques in PD detection, which creates the need for further experiments and antenna designs to be explored.
partial discharges, radiometric techniques, HF/VHF
978-1-4799-2787-6
38-42
Evagorou, D.
0971dcb8-7498-499a-846c-c571414be103
Goddard, K.F.
fe2a2194-8b55-43c1-bdca-341691b71b2d
Lewin, P.L.
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
Swingler, S.G.
4f13fbb2-7d2e-480a-8687-acea6a4ed735
Evagorou, D.
0971dcb8-7498-499a-846c-c571414be103
Goddard, K.F.
fe2a2194-8b55-43c1-bdca-341691b71b2d
Lewin, P.L.
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
Swingler, S.G.
4f13fbb2-7d2e-480a-8687-acea6a4ed735

Evagorou, D., Goddard, K.F., Lewin, P.L. and Swingler, S.G. (2014) Preliminary investigation on the feasibility of radiometric techniques to detect faults in buried cable joints. 2014 IEEE Electrical Insulation Conference (EIC), United States. 08 - 11 Jun 2014. pp. 38-42 . (doi:10.1109/EIC.2014.6869342).

Record type: Conference or Workshop Item (Paper)

Abstract

This paper investigates the preliminary use of radiometric techniques to the detection of PDs in buried cables, and in particular to cable joints. The transfer function from the source to the detector is a function of the propagation characteristics of the media involved. In the case of radiometric detection the inclusion of soil, in general a lossy and dispersive medium with frequency and content dependent characteristics, further contributes to signal attenuation. The work undertaken here examines whether a repetitive pulse of varying amplitude and frequency, injected into an experimental arrangement that simulates buried power cables, is being detected by two simple antennae above ground. Successful detection of the pulses showed the preliminary possibility of the use of such techniques in PD detection, which creates the need for further experiments and antenna designs to be explored.

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Published date: 8 June 2014
Venue - Dates: 2014 IEEE Electrical Insulation Conference (EIC), United States, 2014-06-08 - 2014-06-11
Keywords: partial discharges, radiometric techniques, HF/VHF
Organisations: EEE

Identifiers

Local EPrints ID: 366614
URI: http://eprints.soton.ac.uk/id/eprint/366614
ISBN: 978-1-4799-2787-6
PURE UUID: 275f32e6-6895-46fd-b735-55b933d42b5a

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Date deposited: 03 Jul 2014 13:56
Last modified: 19 Jul 2019 21:09

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