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Dynamic measurement of surface discharge under different gaseous environments and pressures

Dynamic measurement of surface discharge under different gaseous environments and pressures
Dynamic measurement of surface discharge under different gaseous environments and pressures
This paper is concerned with the application of the Pockels technique for measuring high voltage surface discharge under local conditions similar to those found in practical gas-insulated-switchgear. A 160 µm thick Bismuth Silicon Oxide (BSO) crystal was utilized as the sensor to quantify charge distribution generated from a needle electrode under two cycles of AC voltage. Results obtained from using SF and their mixtures as an insulating gas are compared with those of air. The effects of gas pressure on discharge behavior are also investigated and discussed with reference to the availability of initiatory electrons, the electron mean free path and Paschen's curve.
424-427
Tran, T.N.
1554bb74-41c5-437f-85f9-e262160c5432
Lewin, P.L.
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
Wilkinson, J.S.
73483cf3-d9f2-4688-9b09-1c84257884ca
Swingler, S.G.
4f13fbb2-7d2e-480a-8687-acea6a4ed735
Coventry, P.F.
076966c1-9904-4df0-a404-25f1675ab053
Tran, T.N.
1554bb74-41c5-437f-85f9-e262160c5432
Lewin, P.L.
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
Wilkinson, J.S.
73483cf3-d9f2-4688-9b09-1c84257884ca
Swingler, S.G.
4f13fbb2-7d2e-480a-8687-acea6a4ed735
Coventry, P.F.
076966c1-9904-4df0-a404-25f1675ab053

Tran, T.N., Lewin, P.L., Wilkinson, J.S., Swingler, S.G. and Coventry, P.F. (2008) Dynamic measurement of surface discharge under different gaseous environments and pressures. IEEE International Symposium on Electrical Insulation. 08 - 11 Jun 2008. pp. 424-427 . (doi:10.1109/ELINSL.2008.4570364).

Record type: Conference or Workshop Item (Paper)

Abstract

This paper is concerned with the application of the Pockels technique for measuring high voltage surface discharge under local conditions similar to those found in practical gas-insulated-switchgear. A 160 µm thick Bismuth Silicon Oxide (BSO) crystal was utilized as the sensor to quantify charge distribution generated from a needle electrode under two cycles of AC voltage. Results obtained from using SF and their mixtures as an insulating gas are compared with those of air. The effects of gas pressure on discharge behavior are also investigated and discussed with reference to the availability of initiatory electrons, the electron mean free path and Paschen's curve.

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e-pub ahead of print date: 2008
Venue - Dates: IEEE International Symposium on Electrical Insulation, 2008-06-08 - 2008-06-11

Identifiers

Local EPrints ID: 70878
URI: http://eprints.soton.ac.uk/id/eprint/70878
PURE UUID: 8c68b041-7922-4918-b4c8-027003afb2c2
ORCID for J.S. Wilkinson: ORCID iD orcid.org/0000-0003-4712-1697

Catalogue record

Date deposited: 24 Feb 2010
Last modified: 10 Dec 2019 01:59

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