@article{CTT100644843,
  author = {HUI PENG and Makoto Hagiwara and Hirofumi Akagi},
  title = {Modeling and Analysis of Switching-Ripple Voltage on the DC Link Between a Diode Rectifier and a Modular Multilevel Cascade Inverter (MMCI)},
  journal = {IEEE Transaction on Power Electronics},
  year = 2013,
}

@article{CTT100631974,
  author = {萩原誠 and 彭輝 and 赤木泰文},
  title = {モジュラー・マルチレベル・カスケードインバータ（MMCI-DSCC）の共通直流リンクに発生するスイッチングリプル電圧の検討},
  journal = {電気学会産業応用部門誌},
  year = 2011,
}