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Feasibility study of on-line monitor of cable oversheath

Feasibility study of on-line monitor of cable oversheath
Feasibility study of on-line monitor of cable oversheath
A circuit model has been proposed to represent an underground power cable system and its surroundings. The damage on oversheath is represented by a resistive component. The simulations on different parameters were carried out using PSpice to examine the change in the detecting branches brought by this resistive component. The simulated results indicate that it is possible to detect the damage by monitoring the current change at each joint bay. When there is a fault on oversheath of the cable the current drifts away from its normal value. By monitoring the branch current shape change at adjacent joint bays it is possible to locate the fault. However, the accuracy of the modelling depends on the values of parameters used.
Power Cable, Oversheath damage detection, Pspice
7-900371-56-7
470-473
Chen, G
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Fu, M
22d474b8-9c19-4ccb-9e64-6087ffe0941d
Yuan, Z. P.
123d098b-ec02-4b7d-87b7-e9c4d1fcba05
Chen, G
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Fu, M
22d474b8-9c19-4ccb-9e64-6087ffe0941d
Yuan, Z. P.
123d098b-ec02-4b7d-87b7-e9c4d1fcba05

Chen, G, Fu, M and Yuan, Z. P. (2003) Feasibility study of on-line monitor of cable oversheath. The 2nd International Conference on Insulation Condition Monitoring of Electrical Plant, China. 27 - 30 Oct 2003. pp. 470-473 .

Record type: Conference or Workshop Item (Other)

Abstract

A circuit model has been proposed to represent an underground power cable system and its surroundings. The damage on oversheath is represented by a resistive component. The simulations on different parameters were carried out using PSpice to examine the change in the detecting branches brought by this resistive component. The simulated results indicate that it is possible to detect the damage by monitoring the current change at each joint bay. When there is a fault on oversheath of the cable the current drifts away from its normal value. By monitoring the branch current shape change at adjacent joint bays it is possible to locate the fault. However, the accuracy of the modelling depends on the values of parameters used.

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More information

Published date: 2003
Additional Information: Event Dates: October 27-30, 2003
Venue - Dates: The 2nd International Conference on Insulation Condition Monitoring of Electrical Plant, China, 2003-10-27 - 2003-10-30
Keywords: Power Cable, Oversheath damage detection, Pspice
Organisations: Electronics & Computer Science, EEE

Identifiers

Local EPrints ID: 258523
URI: http://eprints.soton.ac.uk/id/eprint/258523
ISBN: 7-900371-56-7
PURE UUID: 0e30efb7-7ab6-4ab3-83c2-a46f25d13174

Catalogue record

Date deposited: 10 Nov 2003
Last modified: 29 Jan 2020 15:32

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