1. Department of Electrical and Computer Engineering, São Carlos School of Engineering, University of São Paulo, São Carlos, Brazil
2. Department of Electrical Engineering, Federal University of São Carlos, São Carlos, Brazil
3. Centre d’Innovació Tecnològica en Convertidors Estátics i Accionaments, Departament d’Enginyeria Elèctrica, Universitat Politècnica de Catalunya, Barcelona, Spain