1. CEFET-MG,Department of Electroelectronics,Leopoldina,Brazil
2. Juiz de Fora Federal University,UFJF,Department of Energy,Juiz de Fora,Brazil
3. Juiz de Fora Federal University,Faculty of Engineering, UFJF,Juiz de Fora,Brazil
4. Institute for Production Technology and Systems (IPTS), Leuphana University of Lüneburg,Lüneburg,Germany
5. Santo Antônio S.A., Hydroelectric Plant Santo Antônio,Porto Velho,Brazil