Stability of Triggering of the Switch with Sharply Non-Uniform Electric Field at the Electrode with Negative Potential

B. M. Kovalchuk, A. A. Zherlitsyn, E. V. Kumpyak

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Results of investigations into a two-electrode high-pressure gas switch with sharply non-uniform field at the electrode with negative potential operating in the self-breakdown regime with pulsed charging of a highvoltage capacitive energy storage for ~100 μs to voltage exceeding 200 kV are presented. It is demonstrated that depending on the air pressure and the gap length, the corona-streamer discharge, whose current increases with voltage, arises in the switch at a voltage of 0.2–0.3 of the self-breakdown voltage. At the moment of switch self-breakdown, the corona-streamer discharge goes over to one or several spark channels. The standard deviation of the triggering moment can be within 1.5 μs, which corresponds to the standard deviation of the self-breakdown voltage less than 2 kV. The voltage stability can be better than 1.5%.

Original languageEnglish
Pages (from-to)1360-1366
Number of pages7
JournalRussian Physics Journal
Volume60
Issue number8
DOIs
Publication statusPublished - 1 Dec 2017
Externally publishedYes

Fingerprint

switches
electrodes
electric fields
electric corona
electric potential
electrical faults
standard deviation
breakdown
moments
energy storage
sparks
charging
air
gases

Keywords

  • corona discharge
  • high-pressure gas switch
  • pulsed-periodic generator

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Stability of Triggering of the Switch with Sharply Non-Uniform Electric Field at the Electrode with Negative Potential. / Kovalchuk, B. M.; Zherlitsyn, A. A.; Kumpyak, E. V.

In: Russian Physics Journal, Vol. 60, No. 8, 01.12.2017, p. 1360-1366.

Research output: Contribution to journalArticle

Kovalchuk, B. M. ; Zherlitsyn, A. A. ; Kumpyak, E. V. / Stability of Triggering of the Switch with Sharply Non-Uniform Electric Field at the Electrode with Negative Potential. In: Russian Physics Journal. 2017 ; Vol. 60, No. 8. pp. 1360-1366.
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