NDLI: Inverted Polarity Effect at the Subnanosecond High-Voltage Breakdown of Air

Content Provider	IEEE Xplore Digital Library
Author	Beloplotov, D.V. Tarasenko, V.F. Lomaev, M.I. Sorokin, D.A.
Copyright Year	1973
Abstract	Inverted polarity effect was studied at the breakdown of point-to-plane discharge gap filled with air at a pressure range of 0.013-0.3 MPa. High-voltage nanosecond pulses were applied to the electrode with a small radius of curvature. Pulser was operated at both negative and positive polarities in the single-pulse mode. Waveforms of voltage pulse, discharge current, and intensity of the discharge plasma radiation near the electrode with a small radius of curvature were registered. It was obtained that at the breakdown of point-to-plane discharge gap filled with air, the breakdown voltage at positive polarity of the pointed electrode was higher than that at negative one. The inverted polarity effect was shown to come to naught with an increasing of air pressure up to 0.3 MPa. It is suggested that the inverted polarity effect is related to the impeded formation of the explosive emission centers on the flat electrode (cathode) after arrival of the ionization wave front to the one. In addition, both the inverted and the ordinary polarity effects were not observed at the breakdown of nitrogen at pressures of 0.4 and 0.7 MPa.
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	3808
Ending Page	3814
Page Count	7
File Size	2328512
File Format	PDF
ISSN	00933813
Volume Number	43
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Discharges (electric) Cathodes Ionization Plasmas Nitrogen subnanosecond breakdown. High-voltage nanosecond discharge inverted polarity effect ionization wave polarity effect subnanosecond breakdown
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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