1. University of Concepción,Department of Electrical Engineering,Concepción,Chile
2. Politecnico di Torino,Dipartimento Energia DENERG,Turin,Italy
3. Universidad de la Frontera,Department of Electrical Engineering,Temuco,Chile
4. Pontificia Universidad Católica de Valparaíso,School of Electrical Engineering,Valparaíso,Chile
5. University of Nottingham,Power Electronics, Machines and Control Group,Nottingham,U.K