@article{kouro2010recent,
  title    = {Recent Advances and Industrial Applications of Multilevel Converters},
  author   = {Kouro, Samir and Malinowski, Mariusz and Gopakumar, K. and Pou, Josep and Franquelo, Leopoldo G. and Wu, Bin and Rodriguez, Jose and P{\'e}rez, Marcelo A. and Leon, Jose I.},
  journal  = {IEEE Transactions on Industrial Electronics},
  volume   = {57},
  number   = {8},
  pages    = {2553--2580},
  year     = {2010},
  doi      = {10.1109/TIE.2010.2049719},
  keywords = {conversores multin{\'i}vel, eletr{\^o}nica de pot{\^e}ncia}
}

@article{blaabjerg2006overview,
  title    = {Overview of Control and Grid Synchronization for Distributed Power Generation Systems},
  author   = {Blaabjerg, Frede and Teodorescu, Remus and Liserre, Marco and Timbus, Adrian V.},
  journal  = {IEEE Transactions on Industrial Electronics},
  volume   = {53},
  number   = {5},
  pages    = {1398--1409},
  year     = {2006},
  doi      = {10.1109/TIE.2006.881997},
  keywords = {sincroniza{\c{c}}{\~a}o de rede, gera{\c{c}}{\~a}o distribu{\'i}da}
}

@article{bose2009power,
  title    = {Power Electronics and Motor Drives Recent Progress and Perspective},
  author   = {Bose, Bimal K.},
  journal  = {IEEE Transactions on Industrial Electronics},
  volume   = {56},
  number   = {2},
  pages    = {581--588},
  year     = {2009},
  doi      = {10.1109/TIE.2008.2002726},
  keywords = {eletr{\^o}nica de pot{\^e}ncia, acionamentos el{\'e}tricos}
}