1. Graduate Program in Electrical Engineering, Federal University of Minas Gerais, Belo Horizonte, Brazil
2. Department of Electrical Engineering, Federal Center for Technological Education of Minas Gerais, Belo Horizonte, Brazil
3. Department of Electronic Engineering, Federal University of Minas Gerais, Belo Horizonte, Brazil
4. Department of Electrical Engineering, Federal University de Viçosa, Viçosa, Brazil
5. Department of Energy, Aalborg University, Aalborg, Denmark