1. Department of Electrical Engineering, Federal Center for Technological Education Celso Suckow da Fonseca - CEFET-RJ, Nova Friburgo Campus, RJ, Brazil
2. Department of Electrical Engineering, Pontifical Catholic University of Rio de Janeiro – PUC-Rio, Rio de Janeiro, RJ, Brazil
3. Department of Electrical Engineering, Federal University of São João Del Rei – UFSJ, São João Del Rei, MG, Brazil