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Modeling partial discharge in a three-phase cable joint experiment with minimal adjustable parameters

Modeling partial discharge in a three-phase cable joint experiment with minimal adjustable parameters
Modeling partial discharge in a three-phase cable joint experiment with minimal adjustable parameters
A general physical model of partial discharge (PD) has been developed and used to simulate discharges within a void at the tip of a metallic spike defect within a three-phase 11 kV paper insulated lead covered (PILC) cable joint. Discharges are modeled by altering surface charge density at the void boundary using a logistic function distribution. The model was validated against experimental data, and a good agreement was observed with minimal free parameters. The model was then used to investigate the impact of single phase energization on PD activity in three-phase PILC cable joints. It was concluded that PD testing of three-phase PILC cable joints should be performed at raised temperatures with the cable fully energized as this results in a higher frequency of PD activity, and reduces the level of background PD from cable terminations. This research represents a further step towards developing PD models that can describe measurements taken from operational high voltage plant.
279-287
Callender, G.
4189d79e-34c3-422c-a601-95b156c27e76
Hunter, J.A
37c7e875-49ba-493a-878d-4fe45fcbc33f
Rapisarda, P.
79efc3b0-a7c6-4ca7-a7f8-de5770a4281b
Lewin, Paul
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
Callender, G.
4189d79e-34c3-422c-a601-95b156c27e76
Hunter, J.A
37c7e875-49ba-493a-878d-4fe45fcbc33f
Rapisarda, P.
79efc3b0-a7c6-4ca7-a7f8-de5770a4281b
Lewin, Paul
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e

Callender, G., Hunter, J.A, Rapisarda, P. and Lewin, Paul (2017) Modeling partial discharge in a three-phase cable joint experiment with minimal adjustable parameters. IEEE Transactions on Dielectrics and Electrical Insulation, 24 (1), 279-287. (doi:10.1109/TDEI.2016.006045).

Record type: Article

Abstract

A general physical model of partial discharge (PD) has been developed and used to simulate discharges within a void at the tip of a metallic spike defect within a three-phase 11 kV paper insulated lead covered (PILC) cable joint. Discharges are modeled by altering surface charge density at the void boundary using a logistic function distribution. The model was validated against experimental data, and a good agreement was observed with minimal free parameters. The model was then used to investigate the impact of single phase energization on PD activity in three-phase PILC cable joints. It was concluded that PD testing of three-phase PILC cable joints should be performed at raised temperatures with the cable fully energized as this results in a higher frequency of PD activity, and reduces the level of background PD from cable terminations. This research represents a further step towards developing PD models that can describe measurements taken from operational high voltage plant.

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Modeling partial discharge in a three-phase cable joint experiment with minimal adjustable parameters - Accepted Manuscript
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Accepted/In Press date: 2 November 2016
e-pub ahead of print date: 7 March 2017
Additional Information: Published in Feb 2017 issue
Organisations: EEE

Identifiers

Local EPrints ID: 402852
URI: http://eprints.soton.ac.uk/id/eprint/402852
PURE UUID: 6dc756fb-bba0-4dde-b105-aa393cf9630f
ORCID for Paul Lewin: ORCID iD orcid.org/0000-0002-3299-2556

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Date deposited: 14 Nov 2016 16:57
Last modified: 16 Mar 2024 02:41

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Contributors

Author: G. Callender
Author: J.A Hunter
Author: P. Rapisarda
Author: Paul Lewin ORCID iD

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