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- Article name
- EFFECTS OF PULSE CORONA ON THE PROCESSES OF DEVELOPMENT OF DISCHARGE IN HIGH VOLTAGE SPARK GAP-SHARPENERS
- Authors
- Melnichuk G. V., , sales@plasmalabs.ru, JSC «Research Institute of Gas Discharge Devices"Plasma"» (JSC"Plasma"), Ryazan, Russia
Merkulov B. P., , merkulov-plasma@yandex.ru, OJS «Plasma», Ryazan, Russia
Makhanko D. S., , mahdim@rambler.ru, OJS «Plasma», Ryazan, Russia
Teterin D. E., , , OJS "Plasma", Ryazan, Russia
Merkulov D. B., , , RGRTU, Ryazan, Russia
Terentyev A. S., , , Academy of Law and Management of the Federal Penitentiary Service of Russia, Ryazan, Russia
Bodrov A. I., , , OJS «Plasma», Ryazan, Russia
- Keywords
- spark gap-sharpener / corona discharge / the dynamic breakdown voltage / the sliding breakdown voltage / switching time / the pressure p / the length of the generatrix of the insulator h / anode-to-cathode distance S
- Year
- 2016 Issue 1 Pages 57 - 64
- Code EDN
- Code DOI
- Abstract
- The article reviews the problem of the influence of structural factors of the spark gap sharpener on the physical processes which take place within its case and determines its basic electrical parameters: time of switching, dynamic breakdown voltage. It is found that the pulse corona discharge on the inner surface of the insulator which had preceded to the breakdown of the main discharge gap when a high-voltage pulse is given to the electrodes of the spark gap, stabilizes the discharge development in it, and the selection of the geometric dimensions of the anode-to-cathode distance S, and the length of the generatrix of the insulator h and pressure of the filling gas p, provided that there is approximate equality of the breakdown voltage of the discharge gap and the slide breakdown voltage on the inner surface of the insulator, guarantees optimal parameters for a given dynamic breakdown voltage, that is Udbv ≈ Usbv.
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