"保坂達也,藤田英明","6 台のカスケード変換器を用いたパワーフローコントローラ",,"電気学会論文誌D","電気学会","vol. 134","no. 6","pp. 588-594",2014,June "Ryoji Tsuruta,Tatsuya Hosaka,Hideaki Fujita","A new power flow controller using six multi- level cascaded converters for distribution systems","International Power Electronics Conference","IEEJ International Power Electronics Conference -ECCE-ASIA","Institute of Electrical Engineering in Japan",,,"pp. 1350-1356",2014,May "保坂達也,藤田英明","カスケードコンバータを用いたパワーフローコントローラ","平成25年電気学会全国大会","平成25年 電気学会全国大会 講演論文集",,"Vol. 4","No. 049","pp. 86-87",2013,Mar. "保坂達也,藤田英明","6台のカスケード変換器を用いたパワーフローコントローラ","半導体電力変換研究会","電気学会研究会資料",,,"no. SPC-13-009","pp. 53-58",2013,Jan. "保坂達也,秋葉一記,藤田英明","6台のカスケード変換器で構成したUPFC","産業応用部門大会","電気学会 産業応用部門大会","電気学会","Vol. 1","no. 1-35","pp. 223-236",2011,Sept.