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Experiment and modeling of void discharges within dielectric insulation material under impulse voltage

Experiment and modeling of void discharges within dielectric insulation material under impulse voltage
Experiment and modeling of void discharges within dielectric insulation material under impulse voltage
The presence of cavity in motor insulation fed by variable speed drive is one of the sources of partial discharge (PD) occurrence, especially under impulse voltage. This is a serious problem as PD can accelerate degradation of the motor insulation. Therefore, it is important to prevent void discharges from occurring in motor insulation under impulse voltage. In this work, the characteristics of void discharges within dielectric insulation material under impulse voltage were investigated through experiment and modeling. The test object consists of a rectangular void within a polyethylene material. The test object was stressed with different peak magnitude, front time and tail time of the applied impulse voltage. The experimental results were reproduced by simulation results from a void discharge model in insulation material. From the model that was developed, a better understanding on physical parameters that influence the characteristics of void discharges within dielectric material under impulse voltage can be attained
2252-2260
Illias, H.A.
e79f56dd-c8b7-4973-9db5-d112e14a3249
Tunio, M.A.
1f5a8ff2-6f85-449d-83c8-36c2e4134c85
Mokhlis, H.
5f7421ad-06ca-448a-86a4-cd98627c6b48
Chen, George
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Bakar, A.H.A.
ad6a2c5f-31ea-4a40-b4e4-ed2a7908ba79
Illias, H.A.
e79f56dd-c8b7-4973-9db5-d112e14a3249
Tunio, M.A.
1f5a8ff2-6f85-449d-83c8-36c2e4134c85
Mokhlis, H.
5f7421ad-06ca-448a-86a4-cd98627c6b48
Chen, George
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Bakar, A.H.A.
ad6a2c5f-31ea-4a40-b4e4-ed2a7908ba79

Illias, H.A., Tunio, M.A., Mokhlis, H., Chen, George and Bakar, A.H.A. (2015) Experiment and modeling of void discharges within dielectric insulation material under impulse voltage. IEEE Transactions on Dielectrics & Electrical Insulation, 22 (4), 2252-2260. (doi:10.1109/TDEI.2015.004817).

Record type: Article

Abstract

The presence of cavity in motor insulation fed by variable speed drive is one of the sources of partial discharge (PD) occurrence, especially under impulse voltage. This is a serious problem as PD can accelerate degradation of the motor insulation. Therefore, it is important to prevent void discharges from occurring in motor insulation under impulse voltage. In this work, the characteristics of void discharges within dielectric insulation material under impulse voltage were investigated through experiment and modeling. The test object consists of a rectangular void within a polyethylene material. The test object was stressed with different peak magnitude, front time and tail time of the applied impulse voltage. The experimental results were reproduced by simulation results from a void discharge model in insulation material. From the model that was developed, a better understanding on physical parameters that influence the characteristics of void discharges within dielectric material under impulse voltage can be attained

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Accepted/In Press date: 31 December 2014
Published date: 1 August 2015
Organisations: EEE

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Local EPrints ID: 383621
URI: http://eprints.soton.ac.uk/id/eprint/383621
PURE UUID: 8be209d2-93ce-4449-acfb-2a60d6e0e0cb

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Date deposited: 23 Nov 2015 11:21
Last modified: 07 Oct 2019 18:24

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