1. Chair of Electric Power Engineering, Power Supply and Power Electronics, Nizhny Novgorod State Technical, University n.a. R.E. Alekseev,Nizhny Novgorod,Russia
2. Chair of Theorethical and General Electrical Engineering, Nizhny Novgorod State Technical, University n.a. R.E. Alekseev,Nizhny Novgorod,Russia