Evolution of Negative Corona in the Discharge-Current Limitation Mode: Transition from the Pulsed-Periodic Mode to Steady-State Burning
- Authors: Kozyrev A.V1, Kokovin A.O1, Kozhevnikov V.Y.1, Tarasenko V.F1, Baksht E.K.1, Vinogradov N.P1
- 
							Affiliations: 
							- Institute of High-Current Electronics, Siberian Branch, Russian Academy of Sciences
 
- Issue: Vol 163, No 2 (2023)
- Pages: 284-292
- Section: Articles
- URL: https://rjpbr.com/0044-4510/article/view/653570
- DOI: https://doi.org/10.31857/S004445102302013X
- EDN: https://elibrary.ru/OQZQYI
- ID: 653570
Cite item
Abstract
The evolution of burning modes of a weak-current corona discharge in a diode filled with atmospheric air, having a pointed cathode and a flat anode, has been investigated. A theoretical description is performed in terms of an axisymmetric multifluid plasma model, including the kinetics of 9 types of particles and 25 plasma-chemical reactions. A discharge in a gap 10 mm long, with a needle-like cathode having a tip curvature radius of 100 μm, a source voltage of 8 kV, a ballast capacitance of 100 pF and a circuit ballast resistance of 1 MΩ, is described in detail. It is shown, both experimentally and theoretically, that the discharge has a lifetime of 180 μs and occurs in four clearly different stages under these conditions: (1) dark breakdown delay phase (0–20 μs); (2) Trichel pulse phase with a variable on–off time ratio and quasi-steady-state corona current component (20–80 μs); and (3) intermediate phase of monotonically rising weak current (80–130 μs), which ends with a vibrational transition to the (4) steady-state phase (130–180 μs), having a typical structure of glow discharge. The tendencies to a change in the corona discharge parameters with a variation in the feed voltage are analyzed. The results of theoretical calculations are in good agreement with the experimental data.
About the authors
A. V Kozyrev
Institute of High-Current Electronics, Siberian Branch, Russian Academy of Sciences
														Email: kozyrev@to.hcei.tsc.ru
				                					                																			                												                								634055, Tomsk, Russia						
A. O Kokovin
Institute of High-Current Electronics, Siberian Branch, Russian Academy of Sciences
														Email: kozyrev@to.hcei.tsc.ru
				                					                																			                												                								634055, Tomsk, Russia						
V. Yu Kozhevnikov
Institute of High-Current Electronics, Siberian Branch, Russian Academy of Sciences
														Email: kozyrev@to.hcei.tsc.ru
				                					                																			                												                								634055, Tomsk, Russia						
V. F Tarasenko
Institute of High-Current Electronics, Siberian Branch, Russian Academy of Sciences
														Email: kozyrev@to.hcei.tsc.ru
				                					                																			                												                								634055, Tomsk, Russia						
E. Kh Baksht
Institute of High-Current Electronics, Siberian Branch, Russian Academy of Sciences
														Email: kozyrev@to.hcei.tsc.ru
				                					                																			                												                								634055, Tomsk, Russia						
N. P Vinogradov
Institute of High-Current Electronics, Siberian Branch, Russian Academy of Sciences
							Author for correspondence.
							Email: kozyrev@to.hcei.tsc.ru
				                					                																			                												                								634055, Tomsk, Russia						
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