Breakdown features of a high-voltage nanosecond discharge initiated with runaway electrons at subnanosecond voltage pulse rise time

doi:10.1109/TDEI.2015.005008

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2015 | Tarasenko, Viktor Fedotovich | статьи в журналах | Sorokin, Dmitrii A. | высоковольтные наносекундные разряды

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DOI Доступ к ресурсу на сайте издателя				10.1109/TDEI.2015.005008

Title: Breakdown features of a high-voltage nanosecond discharge initiated with runaway electrons at subnanosecond voltage pulse rise time
Creator: Lomaev, Mikhail I.
Creator: Tarasenko, Viktor Fedotovich
Creator: Sorokin, Dmitrii A.
Creator: Beloplotov, Dmitry V.
Subject: газовые разряды
электрические поля
высоковольтные наносекундные разряды
убегающие электроны
субнаносекундное время
Date: 2015
DOI: 10.1109/TDEI.2015.005008
Description: In the wide pressure range of the pure nitrogen and sulfur hexafluoride with small admixture of nitrogen (2,5%) the development of the breakdown during the formation of diffuse discharges initiated by runaway electrons and X-Ray was investigated. Nanosecond voltage pulses of both polarities with an amplitude up to ~300 kV and risetime of ~0.5 ns applied across the discharge gap did provide sharply nonuniform electric field distribution. Estimations of average propagation velocity of the ionization wave in the nitrogen and mixture sulfur hexafluoride with nitrogen were performed on the basis of data on dynamics of radiation intensity of the second positive (2+) nitrogen system from various regions along of the longitudinal axis of interelectrode gap. Interrelation between the glow dynamics and the local value of the electric field strength has been defined. The results showed that the breakdown is developed in the form of the ionization wave propagating from the potential electrode with the highest concentration of the electric field to the flat-grounded one. In the regions near the grounded electrode practically simultaneous increasing of radiation intensity is registered, that indicates on a possible change of the breakdown mechanism in this part of the discharge gap.

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collection(s): Радиофизический факультет
Факультет инновационных технологий
Identifier: vtls:000578050
http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000578050
Type: статьи в журналах
Source: IEEE transactions on dielectrics and electrical insulation. 2015. Vol. 22, № 4. P. 1833-1840
Language: eng

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Факультет инновационных технологий

Радиофизический факультет Breakdown features of a high-voltage nanosecond discharge initiated with runaway electrons at subnanosecond voltage pulse rise time