M.V. Shakursky - Ph. D. (Eng.), Senior Lecturer, Volga Region State University of Service (Togliatti, RF) E-mail: M.Shakurskiy@gmail.com

M.V. Shakursky - Ph. D. (Eng.), Associate Professor, Department «Information and Electronic Service», Volga Region State University of Service (Togliatti). E-mail: M.Sakurskiy@gmail.com V.K. Shakursky - Dr. Sc. (Eng.), Professor, Department «Power Supply and Electrotechnics», Togliatti state university. E-mail: Shakurskiy@mail.ru