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Numerical simulation of charging and discharging of particles in contaminated transformer oil

Numerical simulation of charging and discharging of particles in contaminated transformer oil
Numerical simulation of charging and discharging of particles in contaminated transformer oil

Experiments were carried out on transformer oil contaminated by cellulose fibre. After the high voltage was applied to the electrodes, the pressboard particles started to accumulate charge from one electrode and discharge to the other electrode. We have developed a mathematical model to simulate the charging and discharging dynamics. The dielectrophoretic, coulomb and drag forces are considered for simulation of the particles motion. The predicted particle movement path and the velocity between the electrodes showed similar trend to the experimental results. The model is a successful means of predicting particle movement phenomenon compared with the experimental data.

588-591
Institute of Electrical and Electronics Engineers Inc.
Mahmud, Shekhar
37e36ae1-2092-474b-b362-7d6b10af0247
Golosnoy, Igor O.
40603f91-7488-49ea-830f-24dd930573d1
Chen, George
0eefb472-a787-4ba8-ae33-3554710cd9a7
Wilson, Gordon
fd02d259-a5b6-44ce-be29-47073c552c5b
Jarman, Paul
f0133a9d-702e-489a-afc5-2950eeba10ab
Mahmud, Shekhar
37e36ae1-2092-474b-b362-7d6b10af0247
Golosnoy, Igor O.
40603f91-7488-49ea-830f-24dd930573d1
Chen, George
0eefb472-a787-4ba8-ae33-3554710cd9a7
Wilson, Gordon
fd02d259-a5b6-44ce-be29-47073c552c5b
Jarman, Paul
f0133a9d-702e-489a-afc5-2950eeba10ab

Mahmud, Shekhar, Golosnoy, Igor O., Chen, George, Wilson, Gordon and Jarman, Paul (2018) Numerical simulation of charging and discharging of particles in contaminated transformer oil. In CEIDP 2017 - IEEE Conference on Electrical Insulation and Dielectric Phenomenon. vol. 2017-October, Institute of Electrical and Electronics Engineers Inc. pp. 588-591 . (doi:10.1109/CEIDP.2017.8257502).

Record type: Conference or Workshop Item (Paper)

Abstract

Experiments were carried out on transformer oil contaminated by cellulose fibre. After the high voltage was applied to the electrodes, the pressboard particles started to accumulate charge from one electrode and discharge to the other electrode. We have developed a mathematical model to simulate the charging and discharging dynamics. The dielectrophoretic, coulomb and drag forces are considered for simulation of the particles motion. The predicted particle movement path and the velocity between the electrodes showed similar trend to the experimental results. The model is a successful means of predicting particle movement phenomenon compared with the experimental data.

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More information

e-pub ahead of print date: 12 January 2018
Published date: 15 January 2018
Venue - Dates: 2017 IEEE Conference on Electrical Insulation and Dielectric Phenomenon, CEIDP 2017, Texas, United States, 2017-10-22 - 2017-10-25

Identifiers

Local EPrints ID: 419966
URI: http://eprints.soton.ac.uk/id/eprint/419966
PURE UUID: 65f7f792-6784-4826-a734-ccb85d7d82bb

Catalogue record

Date deposited: 25 Apr 2018 16:30
Last modified: 13 Mar 2019 18:34

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Contributors

Author: Shekhar Mahmud
Author: Igor O. Golosnoy
Author: George Chen
Author: Gordon Wilson
Author: Paul Jarman

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