S.N. Panychev - Dr. Sc. (Eng.), Associate Professor, Department of Radio Engineering, Voronezh State Technical University, Leading Research Scientist, JSC «STC of REW» (Moscow). E-mail: pany4ev@mail.ru V.M. Pitolin - Dr. Sc. (Eng.), Professor, Department of Electric Drive, Automatic Equipment and Managements in Technical Systems, Voronezh State Technical University. E-mail: pitol@mail.ru N.A. Samotsvet - Post-graduate Student, Department of Electric Drive, Automatic Equipment and Managements in Technical Systems, Voronezh State Technical University, Senior Research Scientist, JSC «STC of REW» (Moscow). E-mail: csir.ntc.reb@gmail.com