Journal Paper

• Nikola Krneta, Makoto Hagiwara. Dual Circuit Based Test Bench Design for HVDC Circuit Breaker Verification, IEEE Transactions on Power Electronics, IEEE, Vol. 37, Issue 9, pp. 10658-10671, Sept. 2022.
• Kento Okumura, Makoto Hagiwara. Operation of a Dc/3φ Power Converter using a Single-delta Bridge-cell Converter Under Low Magnetizing Inductance, Electrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi), Vol. 215, Issue 3, Sept. 2022.
• Nikola Krneta, Makoto Hagiwara. Design and Analysis of a Novel HVDC Circuit Breaker Test Bench Based on an H-Bridge Cell MMCC, IEEE Access, IEEE, Vol. 10, pp. 75789-75801, July 2022.
• Kento Okumura, Makoto Hagiwara. 単一デルタブリッジセル変換器を用いた直流/三相変換器の低励磁インダクタンス動作, 電気学会論文誌. D, 産業応用部門誌, Vol. 142, No. 7, pp. 549-558, July 2022.
• Junichi Nakashima, Takeshi Horiguchi, Yasushige Mukunoki, Kenji Hatori, Ryo Tsuda, Hitoshi Uemura, Makoto Hagiwara, Takahiro Urakabe. Investigation of Full SiC Power Modules for More Electric Aircraft with Focus on FIT Rate and High Frequency Switching, IEEE Transactions on Industry Applications, IEEE, Vol. 58, No. 3, pp. 2978-2986, May 2022.
• Hamzeh Jamal Ahmad Jaber, Hagiwara Makoto. A Compact High-Power Noninverting Bidirectional Buck–Boost Chopper for Onboard Battery Energy Storage Systems, IEEE Transactions on Power Electronics, IEEE, Vol. 37, No. 2, pp. 1722-1735, Feb. 2022.

International Conference (Reviewed)

• Kana Matsumoto, tesaki kazuaki, Makoto Hagiwara. Control and Performance of Capacitively-Isolated Bidirectional DC-DC Converter with Auxiliary Converters for Electric Railways, 2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia), May 2022.
• Kento Okumura, Makoto Hagiwara. Operation of Single-Delta Bridge-Cell Converter With Single-Phase Medium-Frequency Transformer Under Low Magnetizing Inductance, 2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia), May 2022.
• Qiao Linyue, Makoto Hagiwara. Performance of Three-phase Inverter Using Multiple Bidirectional Choppers for 1.5-kV PV Systems Capable of Wide MPPT Range, 2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia), May 2022.

Domestic Conference (Not reviewed / Unknown)

• Yusuke Takaki, Tatsuki Ikeda, Tian Luo, Makoto Hagiwara. 補助変換器を有するDual Active Bridge変換器の実験検証, 電気学会研究会資料. SPC, 半導体電力変換研究会, SPC-22-154, Sept. 2022.
• Tatsuki Ikeda, Yusuke Takaki, Tian Luo, Makoto Hagiwara. 補助変換器を有する非絶縁型直流変換器の実験検証, 電気学会研究会資料. SPC, 半導体電力変換研究会, SPC-22-153, Sept. 2022.
• Kazuki Ishii, takahiro urakabe, Makoto Hagiwara, Junichi Nakashima, 檜垣優介, Takushi Jimichi. ゲート磁気結合トランスとコンデンサを併用したSiC-MOSFET/SiC-SBDスイッチング素子の直列駆動に関する研究, 2022年電気学会産業応用部門大会, 1-40, pp. I-183-I-186, Aug. 2022.
• Yusuke Takaki, Makoto Hagiwara. 補助変換器を有するDual Active Bridge 変換器の定常特性, 令和4年電気学会全国大会, 4-033, pp. 52-53, Mar. 2022.
• Riyunosuke Yamahana, Hidemasa Harada, Makoto Hagiwara. 複数の双方向チョッパを用いた単方向絶縁型直流変換器の実験検証, 令和4年電気学会全国大会, 4-033, pp. 52-53, Mar. 2022.
• Kana Matsumoto, Kazuaki Tesaki, Makoto Hagiwara. 補助変換器を用いた双方向コンデンサ絶縁型DC-DCコンバータの実験検証, 電気学会研究会資料. SPC, 半導体電力変換研究会, SPC-22-036, Jan. 2022.
• Kento Okumura, Makoto Hagiwara. 単相高周波変圧器を結合したSDBC変換器の低励磁インダクタンス時における動作検証, 電気学会研究会資料. SPC, 半導体電力変換研究会, SPC-22-031, Jan. 2022.
• Hidemasa Harada, Makoto Hagiwara. 複数の双方向チョッパを使用した双方向絶縁形直流変換器の実験検証, 電気学会研究会資料. SPC, 半導体電力変換研究会, SPC-22-035, Jan. 2022.

Patent

• Makoto Hagiwara. チョッパ回路. Patent. Published. 国立大学法人東京工業大学, 公益財団法人鉄道総合技術研究所. 2020/12/04. 特願2020-202226. 2022/06/16. 特開2022-089654. 2022.

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