1. UNINOVA – CTS and LASI NOVA University Lisbon,NOVA School of Science and Technology,Caparica,Portugal,2829-516
2. Kazan State Power Engineering University,Department of Power Supply of Industrial Enterprises,Kazan,Russia
3. State Technical University,Department of Electric Drive Lipetsk,Lipetsk,Russian Federation
4. University of Palermo,Department of Engineering,Palermo,Italy
5. University of Namibe,Department of Electrical Engineering FET,Namibe,Angola