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Partial discharge phenomena within an artificial void in cable insulation geometry: experimental validation and simulation

Partial discharge phenomena within an artificial void in cable insulation geometry: experimental validation and simulation
Partial discharge phenomena within an artificial void in cable insulation geometry: experimental validation and simulation
In the presence of void in cable insulation, repetition of partial discharge (PD) occurrences is one of the main sources of insulation degradation, which may lead to complete breakdown. Therefore, it is important to monitor the condition of cable insulation through PD measurement. Replicating PD measurement on a test object with the presence of a void within cable insulation may help a better understanding of PD characteristics within cable insulation to be achieved. Therefore, in this work, test samples of cable insulation geometry containing an artificial void were prepared in the laboratory for PD experiment. The PD measurements were done as a function of void size and applied voltage. A physical model of PD activities within an artificial void in cable insulation geometry was also designed using finite element analysis method. The model was developed by considering PD occurrences within non-uniform electric field distribution in the void and charge movement along the void surface. The model was applied for simulation of PDs within the void in cable insulation geometry to increase the understanding on PD physical phenomena. This includes the impact of distribution of void surface charge on the distribution of the electric field within the void through comparison with the captured measurement results.
451-459
Illias, H.A.
e79f56dd-c8b7-4973-9db5-d112e14a3249
Tunio, M.A.
1f5a8ff2-6f85-449d-83c8-36c2e4134c85
Bakar, A.H.A.
ad6a2c5f-31ea-4a40-b4e4-ed2a7908ba79
Mokhlis, H.
5f7421ad-06ca-448a-86a4-cd98627c6b48
Chen, G.
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Illias, H.A.
e79f56dd-c8b7-4973-9db5-d112e14a3249
Tunio, M.A.
1f5a8ff2-6f85-449d-83c8-36c2e4134c85
Bakar, A.H.A.
ad6a2c5f-31ea-4a40-b4e4-ed2a7908ba79
Mokhlis, H.
5f7421ad-06ca-448a-86a4-cd98627c6b48
Chen, G.
3de45a9c-6c9a-4bcb-90c3-d7e26be21819

Illias, H.A., Tunio, M.A., Bakar, A.H.A., Mokhlis, H. and Chen, G. (2016) Partial discharge phenomena within an artificial void in cable insulation geometry: experimental validation and simulation. IEEE Transactions on Dielectrics & Electrical Insulation, 23 (1), 451-459. (doi:10.1109/TDEI.2015.005155).

Record type: Article

Abstract

In the presence of void in cable insulation, repetition of partial discharge (PD) occurrences is one of the main sources of insulation degradation, which may lead to complete breakdown. Therefore, it is important to monitor the condition of cable insulation through PD measurement. Replicating PD measurement on a test object with the presence of a void within cable insulation may help a better understanding of PD characteristics within cable insulation to be achieved. Therefore, in this work, test samples of cable insulation geometry containing an artificial void were prepared in the laboratory for PD experiment. The PD measurements were done as a function of void size and applied voltage. A physical model of PD activities within an artificial void in cable insulation geometry was also designed using finite element analysis method. The model was developed by considering PD occurrences within non-uniform electric field distribution in the void and charge movement along the void surface. The model was applied for simulation of PDs within the void in cable insulation geometry to increase the understanding on PD physical phenomena. This includes the impact of distribution of void surface charge on the distribution of the electric field within the void through comparison with the captured measurement results.

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Accepted/In Press date: 5 August 2015
Published date: February 2016
Organisations: EEE

Identifiers

Local EPrints ID: 402978
URI: http://eprints.soton.ac.uk/id/eprint/402978
PURE UUID: 7bf4fbe7-6308-4c13-8fc3-e027e911f50b

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Date deposited: 21 Nov 2016 14:09
Last modified: 16 Dec 2019 19:36

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