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In this paper, the authors present an electric arc model based on the use of the magnetic hydrodynamic theory (MHD theory) of plasma to determine the parameters of the Cassi-Mayr model. The uncertain parameters of the Cassi-Mayr model are obtained using a mathematical model of an electric arc developed in the COMSOL Multiphysics program, the mathematical model is based on the theory of magnetic hydrodynamics. The model is designed to simulate an electric arc in low voltage contractors.
Verstunin et al. (2024) studied this question.