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Electromagnetic field application to underground power cable detection

Electromagnetic field application to underground power cable detection
Electromagnetic field application to underground power cable detection
Before commencing excavation or other work where power or other cables may be buried, it is important to determine the location of cables to ensure that they are not damaged. This paper describes a method of power-cable detection and location that uses measurements of the magnetic field produced by the currents in the cable, and presents the results of tests performed to evaluate the method. The cable detection and location program works by comparing the measured magnetic field signal with values predicted using a simple numerical model of the cable. Search coils are used as magnetic field sensors, and a measurement system is setup to measure the magnetic field of an underground power cable at a number of points above the ground so that it can detect the presence of an underground power cable and estimate its position. Experimental investigations were carried out using a model and under real site test conditions. The results show that the measurement system and cable location method give a reasonable prediction for the position of the target cable.
CD-ROM
Wang, P
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Goddard, K F
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Lewin, P L
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Swingler, S G
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Wang, P
9cbcc0c1-a742-4b52-94ec-58632717c9ed
Goddard, K F
fe2a2194-8b55-43c1-bdca-341691b71b2d
Lewin, P L
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
Swingler, S G
4f13fbb2-7d2e-480a-8687-acea6a4ed735

Wang, P, Goddard, K F, Lewin, P L and Swingler, S G (2011) Electromagnetic field application to underground power cable detection. 17th International Symposium on High Voltage Engineering, Hannover, Germany. 21 - 25 Aug 2011. CD-ROM .

Record type: Conference or Workshop Item (Paper)

Abstract

Before commencing excavation or other work where power or other cables may be buried, it is important to determine the location of cables to ensure that they are not damaged. This paper describes a method of power-cable detection and location that uses measurements of the magnetic field produced by the currents in the cable, and presents the results of tests performed to evaluate the method. The cable detection and location program works by comparing the measured magnetic field signal with values predicted using a simple numerical model of the cable. Search coils are used as magnetic field sensors, and a measurement system is setup to measure the magnetic field of an underground power cable at a number of points above the ground so that it can detect the presence of an underground power cable and estimate its position. Experimental investigations were carried out using a model and under real site test conditions. The results show that the measurement system and cable location method give a reasonable prediction for the position of the target cable.

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More information

Published date: 22 August 2011
Additional Information: Event Dates: 22-26 August 2011
Venue - Dates: 17th International Symposium on High Voltage Engineering, Hannover, Germany, 2011-08-21 - 2011-08-25
Organisations: Electronics & Computer Science, EEE

Identifiers

Local EPrints ID: 272706
URI: http://eprints.soton.ac.uk/id/eprint/272706
PURE UUID: 7e82cc7c-64b8-4a92-a866-d2438e58cc22

Catalogue record

Date deposited: 24 Aug 2011 07:03
Last modified: 01 Jul 2020 16:31

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Contributors

Author: P Wang
Author: K F Goddard
Author: P L Lewin
Author: S G Swingler

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