I. N. Antonov – Dr.Sc. (Eng.), Professor of Department of Power Supply and Electrotechnology, Yuri Gagarin State Technical University of Saratov

E-mail: antonov2007@mail.ru

A. V. Bozrikov – Assistant of Department of Power Supply and Electrotechnology, Yuri Gagarin State Technical University of Saratov E-mail: bozrik@ya.ru

K. N. Ogurtsov – Ph.D. (Eng.), Associate Professor, Doctoral Candidate of Department of Power Supply and Electrotechnology, Yuri Gagarin State Technical University of Saratov

E-mail: docento77@rambler.ru