NDLI: Positive streamer discharges along insulating surfaces

Content Provider	IEEE Xplore Digital Library
Author	Akyuz, M. Gao, L. Cooray, V. Gustavsson, T.G. Gubanski, S.M. Larsson, A.
Copyright Year	1994
Abstract	By measuring the currents associated with the streamer discharge along silicone rubber surfaces, parameters of streamer propagation such as the minimum field of streamer crossing, the field of stable streamer propagation, the mean velocity and the streamer charge distribution have been analyzed and compared to the streamer discharge in air alone. Clear differences were observed in the measured currents for the individual surfaces at low background fields (285 kV/m). For higher fields the streamer crosses the gap almost independently of the surface type. The minimum streamer field was found to be slightly increased compared to air. The field of stable streamer propagation also was higher than in air. It is /spl sim/ 570 kV/m, larger than that of the streamer discharge in air (/spl sim/ 500), under the same conditions. The streamer speed was found slightly increased in the presence of the silicone rubber surface and the distinction between the individual surfaces was modest. A discussion on possible mechanisms for the observed differences in the streamer speed and currents with and without the insulator surfaces is presented. The net positive charge of the streamer along an insulating surface seems to be distributed along the streamer channel rather than localized in the front part of the channel as the case for the streamer in air.
Sponsorship	National Natural Science Foundation of China (NSFC) Region Centre Ville de Tours Conseil General D'Indre et Loire ABB IEEE Sandia National Laboratories TOSHIBA
Starting Page	902
Ending Page	910
Page Count	9
File Size	1007028
File Format	PDF
ISSN	10709878
Volume Number	8
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-12-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Surface discharges Dielectrics and electrical insulation Rubber Plastic insulation Polymers Surface contamination Electrodes Silicon on insulator technology Atomic measurements Physics
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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