"Mitsuyoshi Enomoto,Kenichiro Sano,Yushi Koyama,Kei Sekiguchi,Takahiro Ishiguro,Daichi Suzuki","Fault Handling Method in an HVDC System with Half-Bridge MMCs and Hybrid DC Circuit Breakers","IEEE Energy Conversion Congress & Exposition (ECCE 2023)","IEEE Energy Conversion Congress & Exposition (ECCE 2023)","IEEE",,,"pp. 692-697",2023,Oct.
"Atsushi Chiba,Kenichiro Sano,Yushi Koyama,Kei Sekiguchi,Takahiro Ishiguro,Daichi Suzuki","A DC Fault Ride-Through Control of Half-Bridge MMCs for the HVDC Grid with DC Circuit Breakers",,"IEEJ Journal of Industry Applications",,"vol. 12","no. 3",,2023,May
"北條励,榎本光芳,佐野憲一朗,児山裕史,関口慧,石黒崇裕,鈴木大地","2回線直流送電の両極事故時送電継続手法の実験検証","令和5年電気学会全国大会","令和5年電気学会全国大会論文集","電気学会","vol. 4","no. 112","pp. 197-198",2023,Mar.
"千葉惇史,佐野憲一朗,児山裕史,関口慧,石黒崇裕,鈴木大地","直流遮断器を用いた2回線直流送電の両極事故時送電継続手法","令和5年電気学会全国大会","令和5年電気学会全国大会論文集","電気学会","vol. 4","no. 111","pp. 195-196",2023,Mar.
"Atsushi Chiba,Kenichiro Sano,Yushi Koyama,Kei Sekiguchi,Takahiro Ishiguro,Daichi Suzuki","A DC Fault Ride-Through Control of Half-Bridge MMCs for the HVDC Grid with DC Circuit Breakers","International Power Electronics Conference (IPEC-Himeji ECCE Asia)","International Power Electronics Conference (IPEC-Himeji ECCE Asia)",,,,"pp. 2046-2051",2022,May
"新井卓郎,関口慧,餅川宏,佐野憲一朗,藤田英明","バランス回路を接続した低圧系統連系変換器向けモジュラー・マルチレベル変換器の損失低減",,"電気学会論文誌Ｄ（産業応用部門誌）","一般社団法人 電気学会","vol. 141","no. 6","pp. 461-471",2021,June
"Takuro Arai,Kei Sekiguchi,Hiroshi Mochikawa,Kenichiro Sano,Hideaki Fujita","Evaluation of Required Energy Storage in Neutral-Point-Clamped Modular Multilevel Converter for Downsizing Low-Voltage Grid Converters",,"IEEE Transactions on Power Electronics","IEEE","Vol. 36","No. 6","pp. 6774-6786",2021,June
"Firman Sasongko,Kei Sekiguchi,Kouta Oguma,Makoto Hagiwara,Hirofumi Akagi","Theory and Experiment on an Optimal Carrier Frequency of a Modular Multilevel Cascade Converter With Phase-Shifted PWM",,"Theory and Experiment on an Optimal Carrier Frequency of a Modular Multilevel Cascade Converter With Phase-Shifted PWM","IEEE","Vol. 31","No. 5","pp. 3456-3471",2016,May
"Pracha Khamphakdi,Kei Sekiguchi,Makoto Hagiwara,Hirofumi Akagi","A Transformerless Back-To-Back (BTB) System Using Modular Multilevel Cascade Converters for Power Distribution Systems",,"IEEE Transaction on Power Electronics","IEEE","Vol. 30","No. 4","pp. 1866-1875",2015,Apr.
"関口慧,新田将大,萩原誠,赤木泰文","位相シフトPWMを適用したモジュラー・マルチレベル・カスケード変換器（MMCC-DSCC）の三角波キャリア周波数の検討",,"電気学会産業応用部門誌","電気学会","Vol. 134","No. 10","pp. 890-903",2014,Oct.
"Kei Sekiguchi,PRACHA KHAMPHAKDI,Makoto Hagiwara,Hirofumi Akagi","A Grid-Level High-Power BTB (Back-To-Back) System Using Modular Multilevel Cascade Converters Without Common DC-Link Capacitor",,"IEEE Transactions on Industry Applications","IEEE","Vol. 50","No. 4","pp. 2648-2659",2014,July
"新田将大,関口慧,P. Khamphakdi,萩原誠,赤木泰文","モジュラー・マルチレベル・カスケード変換器(MMCC-DSCC)を用いたHVDCシステムの実験検証","平成26年電気学会全国大会",,,,"  4-045",,2014,Mar.
"関口慧,新田将大,萩原誠,赤木泰文","位相シフトPWMを適用したモジュラー・マルチレベル・カスケード変換器(MMCC-DSCC)の三角波キャリア周波数の検討","平成26年電気学会全国大会",,,,"  4-044",,2014,Mar.
"関口慧,Pracha,萩原誠,赤木泰文","モジュラー・マルチレベル・カスケード変換器（MMCC-DSCC）を用いたBTBシステム:実験とシミュレーションによる動作検証",,"電気学会産業応用部門誌",,"Vol. 133","No. 11","pp. 1089-1096",2013,Nov.
"Kei Sekiguchi,Pracha Khamphakdi,Makoto Hagiwara,Hirofumi Akagi","A Parallel-Redundant BTB (Back-To-Back) System Using Modular Multilevel Cascade Converters for Power Transmission Grids","IEEE 5th Energy Conversion Congress and Expo (ECCE2013)","IEEE",,,,"pp. 3382-3389",2013,Sept.
"関口慧,新田将大,P. Khamphakdi,萩原誠,赤木泰文","モジュラー・マルチレベル・カスケード変換器(MMCC-DSCC)を用いた配電系統用BTBシステムの実験検証","平成25年電気学会産業応用部門大会",,,,"  1-63","pp. I-279-I-282",2013,Aug.
"Pracha Khamphakdi,Kei Sekiguchi,Makoto Hagiwara,Hirofumi Akagi","Design and Experiment of a Back-To-Back (BTB) System Using Modular Multilevel Cascade Converters for Power Distribution Systems","ECCE Asia DownUnder 2013",,"IEEE",,,"pp. 311-317",2013,June
"関口慧,P. Khamphakdi,萩原誠,赤木泰文","モジュラー・マルチレベル・カスケード変換器(MMCC-DSCC)を用いたBTBシステム：実験とシミュレーションによる動作検証","電気学会研究会資料. SPC, 半導体電力変換研究会",,,,,"  SPC-13-011",2013,Jan.
"関口慧,萩原誠,赤木泰文","モジュラー・マルチレベル・カスケード変換器(MMCC-DSCC)を用いたBTBシステムの実験検証","平成24年電気学会産業応用部門大会",,,,"  1-19","pp. I-133-I-136",2012,Aug.