Dr. Demercil Oliveira Jr received his B.Sc. and M.Sc. degrees in electrical engineering from the Federal University of Uberlândia, Uberlândia, Brazil, in 1999 and 2001, respectively, and his Ph.D. degree in electrical engineering from the Federal University of Santa Catarina, Florianópolis, Brazil, in 2004. Since 2005, he has been a professor with the Federal University of Ceará, Fortaleza, Brazil. His research interests include power converter topologies, soft switching, three-phase dc–dc power conversion, solid-state transformers, and renewable energy applications.