Discharge development in the layered dielectrics

O. S. Gefle, A. V. Demin, V. R. Kukhta, S. M. Lebedev, V. V. Lopatin, M. D. Noskov

Research output: Contribution to journalArticle

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Abstract

The results of experimental and computer investigations of the discharge development features in the three-layered isolation systems under conditions similar to uniform external field are presented. The influence of the relationship between dielectric permittivities of a basic dielectric (εd) and barrier (εb) as well as position of the layer interfaces (r) on the spatial-time discharge characteristics is studied. For computer investigations a fractal dielectric breakdown model is used. The space charges resulted from differences in layer dielectric permittivities are shown to induce the electric field redistribution, which has an essential influence on the character of the discharge structure development. At εd/εb>3 field redistribution is quite enough to cause the effects of keeping back the discharge channels in a barrier layer. This is more efficient at r≈0.25. In this case a maximum increase in time, until the three-layered isolation systems are broken, is observed.

Original languageEnglish
Pages (from-to)61-63
Number of pages3
JournalElektrichestvo
Issue number7
Publication statusPublished - Jul 1994

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Permittivity
Electric breakdown
Electric space charge
Fractals
Electric fields

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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Gefle, O. S., Demin, A. V., Kukhta, V. R., Lebedev, S. M., Lopatin, V. V., & Noskov, M. D. (1994). Discharge development in the layered dielectrics. Elektrichestvo, (7), 61-63.

Discharge development in the layered dielectrics. / Gefle, O. S.; Demin, A. V.; Kukhta, V. R.; Lebedev, S. M.; Lopatin, V. V.; Noskov, M. D.

In: Elektrichestvo, No. 7, 07.1994, p. 61-63.

Research output: Contribution to journalArticle

Gefle, OS, Demin, AV, Kukhta, VR, Lebedev, SM, Lopatin, VV & Noskov, MD 1994, 'Discharge development in the layered dielectrics', Elektrichestvo, no. 7, pp. 61-63.
Gefle OS, Demin AV, Kukhta VR, Lebedev SM, Lopatin VV, Noskov MD. Discharge development in the layered dielectrics. Elektrichestvo. 1994 Jul;(7):61-63.
Gefle, O. S. ; Demin, A. V. ; Kukhta, V. R. ; Lebedev, S. M. ; Lopatin, V. V. ; Noskov, M. D. / Discharge development in the layered dielectrics. In: Elektrichestvo. 1994 ; No. 7. pp. 61-63.
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