Operation of High-Voltage Plasma Torches with Rod Electrodes


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Abstract

The paper deals with single-phase AC plasma torches with rod electrodes made of iron-copper composite material, with air as the plasma-forming gas and an life time of ~200 h. The construction peculiarities of this type of plasma torch and its power-supply systems is described. The experimental results, in particular, the current-voltage and the voltage-flow rate characteristics of the plasma torches, as well as the typical current and voltage oscillograms, are presented.

About the authors

A. A. Safronov

Institute for Electrophysics and Electric Power, Russian Academy of Sciences; Peter the Great St. Petersburg Polytechnic University

Email: julia_dudnik-s@mail.ru
Russian Federation, St. Petersburg, 191186; St. Petersburg, 195251

O. B. Vasilieva

Institute for Electrophysics and Electric Power, Russian Academy of Sciences

Email: julia_dudnik-s@mail.ru
Russian Federation, St. Petersburg, 191186

Yu. D. Dudnik

Institute for Electrophysics and Electric Power, Russian Academy of Sciences

Author for correspondence.
Email: julia_dudnik-s@mail.ru
Russian Federation, St. Petersburg, 191186

V. E. Kuznetsov

Institute for Electrophysics and Electric Power, Russian Academy of Sciences

Email: julia_dudnik-s@mail.ru
Russian Federation, St. Petersburg, 191186

V. N. Shiryaev

Institute for Electrophysics and Electric Power, Russian Academy of Sciences

Email: julia_dudnik-s@mail.ru
Russian Federation, St. Petersburg, 191186

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