V.V. Kruymskii - Dr.Sc. (Phys/-Math.), Professor, Department of Electrical Engineering, South Ural State University. E-mail: krymskiivv@susu.ru V.F. Balakirev - Corresponding Member of RAS, Dr.Sc. (Chem.), Chief Research Scientist, Institute of Metallurgy, Ural Branch of Russian Academy of Sciences. E-mail: vfbal@mail.ru Yu. g. Mingazhieva - Post-graduate Student, Department of Electrical Enginttring, South Ural State University. E-mail: energy-juliya@mail.ru N.V. Plotnikova - Ph.D. (Eng.), Associate Professor, Department of Management Systems, South Ural State University. E-mail: plotnikovanv@susu.ru