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This research was funded by Lublin University of Technology grants numbers FD 20/EE-2/416, FD-20/EE-2/406 FD-20/EE-2/401 and 5/GnG/2022 intended for research activities within the “Automatics, Electronics and Electrical Engineering” scientific discipline.
Three-phase gliding arc discharge reactors are devices in which it is difficult to maintain
stable plasma parameters, be it electrically, physically, or chemically. The main cause of plasma
instability is the source, which is freely burning arcs in a three-phase system. In addition, these
arcs burn at low currents and are intensively cooled, further increasing their instability. These
instabilities translate into the electrical characteristics of the plasma reactor. The analysis for the
four gases nitrogen, argon, helium, and air shows that the type of plasma-generating gas and
its physical parameters have a strong influence on the operational characteristics of the plasma
reactor. Current–voltage, power and frequency characteristics of the plasma reactor were plotted
experimentally. Characteristics obtained in this way make it possible to determine the areas of
effective operation of the plasma reactor, and to estimate the quality of the generated plasma. Based
on the characteristics obtained, a method of controlling the plasma parameters can be developed.
