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Effect of Surface Charge Distribution on the Electric Field in a Void due to Partial Discharges

Effect of Surface Charge Distribution on the Electric Field in a Void due to Partial Discharges
Effect of Surface Charge Distribution on the Electric Field in a Void due to Partial Discharges
After a partial discharge (PD) occurs within a dielectric bounded void, charge accumulation on the void surface have been found to affect the field distribution in the void. In this work, a simplified model of PD events of a spherical void within a homogeneous dielectric material has been developed using finite element analysis (FEA) software. The model has been used to study the influence of surface charge distribution on the electric field distribution in the void due to PD events. Surface charge distribution depends on charge propagation along the void surface during a PD occurrence and charge movement along the void wall through surface conduction after a PD occurs. Comparison between measurement and simulation results has been performed to validate the model.
978-4-88686-075-0
245-248
Illias, Hazlee
6432a87a-cbba-4321-b8bd-7802a087563f
Chen, George
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Lewin, Paul
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
Illias, Hazlee
6432a87a-cbba-4321-b8bd-7802a087563f
Chen, George
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Lewin, Paul
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e

Illias, Hazlee, Chen, George and Lewin, Paul (2011) Effect of Surface Charge Distribution on the Electric Field in a Void due to Partial Discharges. International Symposium on Electrical Insulating Materials, Japan. 06 - 10 Sep 2011. pp. 245-248 .

Record type: Conference or Workshop Item (Paper)

Abstract

After a partial discharge (PD) occurs within a dielectric bounded void, charge accumulation on the void surface have been found to affect the field distribution in the void. In this work, a simplified model of PD events of a spherical void within a homogeneous dielectric material has been developed using finite element analysis (FEA) software. The model has been used to study the influence of surface charge distribution on the electric field distribution in the void due to PD events. Surface charge distribution depends on charge propagation along the void surface during a PD occurrence and charge movement along the void wall through surface conduction after a PD occurs. Comparison between measurement and simulation results has been performed to validate the model.

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More information

Published date: 6 September 2011
Additional Information: Event Dates: September 6 - 10, 2011
Venue - Dates: International Symposium on Electrical Insulating Materials, Japan, 2011-09-06 - 2011-09-10
Organisations: Electronics & Computer Science, EEE

Identifiers

Local EPrints ID: 272807
URI: http://eprints.soton.ac.uk/id/eprint/272807
ISBN: 978-4-88686-075-0
PURE UUID: 32a10c31-93de-4df4-9cf0-00e4bdbc3414

Catalogue record

Date deposited: 20 Sep 2011 08:26
Last modified: 19 Jul 2019 22:08

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