Suppression of Instabilities in a Plasma Voltage Stabilizer
Source abstract
Abstract
This article presents the results of experiments aimed at studying the conditions for the excitation of current and voltage oscillations in plasma in a three-electrode voltage stabilizer. It was found that in the modes under consideration, the plasma had negative conductivity, which caused oscillations. We propose a highly efficient method for suppressing instabilities that is based on controlling the sign of the plasma’s differential conductivity via adjusting the concentration of the plasma’s thermal electrons with an external control electrode. The proposed method makes it possible to achieve a high level of stability of the energy parameters of voltage stabilizers and those of other plasma-based devices.
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Research context
OpenAlex topics: Vacuum and Plasma Arcs · Electric Power Systems and Control · Plasma Diagnostics and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of General & Technical Physics, Saint Petersburg Mining University, 199106 Saint Petersburg, Russia
Department of Optics, Saint Petersburg State University, 199034 Saint Petersburg, Russia
Funding
Russian Science Foundation
References (43)
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