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Bridging phenomenon in contaminated transformer oil

Bridging phenomenon in contaminated transformer oil
Bridging phenomenon in contaminated transformer oil
The effect of cellulose particles contamination on transformer oil has been investigated. Different sizes and concentration levels of cellulose fibres were used to contaminate the transformer oil for the experiments. The conduction current was measured using electrodes of 10 mm diameter with a 10 mm gap and the optical microscopic images of bridge creation between the electrodes were also recorded. The bridge was thickened with increasing concentration level and the bridging time was shortened as the voltage increased. The conduction current increased with concentration level and voltage. Smaller size particles had stronger bond while creating the bridge and higher conduction current.
978-1-4673-1018-5
180-183
Institute of Electrical and Electronics Engineers
Mahmud, Skekhar
37e36ae1-2092-474b-b362-7d6b10af0247
Chen, George
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Golosnoy, Igor O.
40603f91-7488-49ea-830f-24dd930573d1
Wilson, George
1fd41393-b188-49ad-8141-2f4f324a778d
Jarman, Paul
f0133a9d-702e-489a-afc5-2950eeba10ab
Mahmud, Skekhar
37e36ae1-2092-474b-b362-7d6b10af0247
Chen, George
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Golosnoy, Igor O.
40603f91-7488-49ea-830f-24dd930573d1
Wilson, George
1fd41393-b188-49ad-8141-2f4f324a778d
Jarman, Paul
f0133a9d-702e-489a-afc5-2950eeba10ab

Mahmud, Skekhar, Chen, George, Golosnoy, Igor O., Wilson, George and Jarman, Paul (2012) Bridging phenomenon in contaminated transformer oil. In Proceedings of 2012 International Conference on Condition Monitoring and Diagnosis. Institute of Electrical and Electronics Engineers. pp. 180-183 .

Record type: Conference or Workshop Item (Paper)

Abstract

The effect of cellulose particles contamination on transformer oil has been investigated. Different sizes and concentration levels of cellulose fibres were used to contaminate the transformer oil for the experiments. The conduction current was measured using electrodes of 10 mm diameter with a 10 mm gap and the optical microscopic images of bridge creation between the electrodes were also recorded. The bridge was thickened with increasing concentration level and the bridging time was shortened as the voltage increased. The conduction current increased with concentration level and voltage. Smaller size particles had stronger bond while creating the bridge and higher conduction current.

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More information

Published date: 23 September 2012
Venue - Dates: 2012 International Conference on Condition Monitoring and Diagnosis, 2012-09-23
Organisations: EEE

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Local EPrints ID: 343355
URI: http://eprints.soton.ac.uk/id/eprint/343355
ISBN: 978-1-4673-1018-5
PURE UUID: a2058c83-978a-4774-8524-01a59f56d43c

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Date deposited: 03 Oct 2012 14:12
Last modified: 04 Nov 2019 20:39

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Contributors

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

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