1. Universidad San Sebastián,Facultad de Ingeniería, Arquitectura y Diseño,Santiago,Chile
2. Aswan University,Electrical Engineering Department,Aswan,Egypt,81542
3. Universidad Tecnica Federico Santa Maria,Electronics Engineering Department,Valparaiso,Chile,2390123
4. Federal University of Santa Maria (UFSM),Santa Maria,Brazil
5. LAPEC Federal University of Pampa, UNIPAMPA,Energy Processing and Control Laboratory,Alegrete,Brazil
6. Universidad Tecnica Federico Santa Maria,Electrical Engineering department,Valparaiso,Chile,2390123