Simple computation of ignition voltage of self-sustaining gas discharges

Almeida, P. G. C.; Almeida, R. M. S.; Ferreira, N. G. C.; Naidis, G. V.; Benilov, M. S.

http://hdl.handle.net/10400.13/4403

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Abstract(s)

A robust, fast, and accurate numerical method is proposed for finding the voltage of the ignition of DC self-sustaining gas discharges in a wide range of conditions. The method is based on physical grounds and builds up from the idea that the ignition of a self-sustaining gas discharge should be associated with a resonance that would occur in a non-self-sustained discharge in the same electrode configuration. Examples of the application of the method are shown for various configurations: parallel-plate discharge, coaxial and wire-to-plane corona discharges, and a discharge along a dielectric surface. The results conform to the conventional Townsend breakdown condition for the parallel-plate configuration and are in good agreement with existing experimental data for the other configurations. The method has the potential of providing a reference point for optimization of the hold-off capability of high-power switchgear operating in low-frequency fields.

Keywords

Gas discharge modelling Discharge ignition Self-sustainment condition Breakdown . Faculdade de Ciências Exatas e da Engenharia

URI

http://hdl.handle.net/10400.13/4403

Citation

Almeida, P. G. C., Almeida, R. M. S., Ferreira, N. G. C., Naidis, G. V., & Benilov, M. S. (2020). Simple computation of ignition voltage of self-sustaining gas discharges. Plasma Sources Science and Technology, 29(12), 125005.