@INPROCEEDINGS{7420155,
  author={Pereira, Philipe and de Paula, Hélder and de Jesus Cardoso Filho, Braz and de Souza Brito, José Antônio},
  booktitle={2015 IEEE 13th Brazilian Power Electronics Conference and 1st Southern Power Electronics Conference (COBEP/SPEC)}, 
  title={Photovoltaic systems representation for high frequency studies - part I: The power transformer modeling}, 
  year={2015},
  volume={},
  number={},
  pages={1-6},
  doi={10.1109/COBEP.2015.7420155}}