1. Sri Sairam Institute of Technology
2. College of Engineering Gunidy, Anna University
3. University of Nottingham, Nottingham UK and with the Laboratory on Energy Conversion and Power Electronics (LCEEP), Universidad de Talca, Curico
4. University of Tabriz, Tabriz, Iran and Engg Faculty, Near East University, 99138 Nicosia, North Cyprus, Mersin 10, Turkey