- A. Suzuki and H. Akagi, "HVDC Circuit Breakers Combining Mechanical Switches and a Multilevel PWM Converter: Verification by Downscaled Models," in IEEE Transactions on Power Electronics. (Early access article).
- P. Sochor, N. M. L. Tan, and H. Akagi, "Low-Voltage-Ride-Through Control of a Modular Multilevel Single-Delta Bridge-Cell (SDBC) Inverter for Utility-Scale Photovoltaic Systems," in IEEE Transactions on Industry Applications. (Early access article)
- K. Saito and H. Akagi, "A Power Hardware-in-the-Loop (P-HIL) Test Bench Using two Modular Multilevel DSCC Converters for a Synchronous Motor Drive," in IEEE Transactions on Industry Applications.(Early acces article).
- T. Mannen, I. Fukasawa and H. Fujita, "A New Control Method of Suppressing DC-Capacitor Voltage Ripples Caused by Third-Order Harmonic Compensation in Three-Phase Active Power Filters," in
*IEEE Transactions on Industry Applications*.

- Y. Mukunoki et al., "Electro-thermal co-simulation of two parallel-connected SiC-MOSFETs under thermally-imbalanced conditions," 2018 IEEE Applied Power Electronics Conference and Exposition (APEC), San Antonio, TX, 2018, pp. 2855-2860.
- D. Yamaguchi and H. Fujita, "A New PV Converter for a High-Leg Delta Transformer Using Cooperative Control of Boost Converters and Inverters," in
*IEEE Transactions on Power Electronics*, vol. 33, no. 11, pp. 9542-9550, Nov. 2018. - S. Komeda and H. Fujita, "A Power Decoupling Control Method for an Isolated Single-Phase AC-to-DC Converter Based on Direct AC-to-AC Converter Topology," in
*IEEE Transactions on Power Electronics*, vol. 33, no. 11, pp. 9691-9698, Nov. 2018. - Y. Mukunoki et al., "An Improved Compact Model for a Silicon-Carbide MOSFET and Its Application to Accurate Circuit Simulation," in IEEE Transactions on Power Electronics, vol. 33, no. 11, pp. 9834-9842, Nov. 2018.
- K. Takagi and H. Fujita, "Dynamic Control and Performance of a Dual-Active-Bridge DC–DC Converter," in
*IEEE Transactions on Power Electronics*, vol. 33, no. 9, pp. 7858-7866, Sept. 2018. - Y. Mukunoki et al., "Modeling of a Silicon-Carbide MOSFET With Focus on Internal Stray Capacitances and Inductances, and Its Verification," in IEEE Transactions on Industry Applications, vol. 54, no. 3, pp. 2588-2597, May-June 2018.
- Y. Okazaki, S. Shioda and, H. Akagi, "Performance of a Distributed Dynamic Brake for an Induction Motor Fed by a Modular Multilevel DSCC Inverter," in IEEE Transactions on Power Electronics, vol. 33, no. 6, pp. 4796-4806, June 2018.
- K. Takagi and H. Fujita, "A three-phase grid-connected inverter equipped with a shunt instantaneous reactive power compensator,"
*2017 IEEE Energy Conversion Congress and Exposition (ECCE)*, Cincinnati, OH, 2017, pp. 589-596. - K. Saito and, H. Akagi, "A power hardware-in-the-loop-simulation (P-HILS) system using two modular multilevel DSCC converters for a synchronous-motor drive,"
*2017 IEEE Energy Conversion Congress and Exposition (ECCE)*, Cincinnati, OH, 2017, pp. 2692-2699. - P. Sochor, H. Akagi and, N. M. L. Tan, "Low-voltage-ride-through control of a modular multilevel SDBC inverter for utility-scale photovoltaic systems," 2017 IEEE Energy Conversion Congress and Exposition (ECCE), Cincinnati, OH, 2017, pp. 4865-4872.
- W. Kawamura, M. Hagiwara, H. Akagi, M. Tsukakoshi, R. Nakamura and S. Kodama, "AC-Inductors Design for a Modular Multilevel TSBC Converter, and Performance of a Low-Speed High-Torque Motor Drive Using the Converter," in
*IEEE Transactions on Industry Applications*, vol. 53, no. 5, pp. 4718-4729, Sept.-Oct. 2017. - Y. Mukunoki
*et al*., "Modeling of a silicon-carbide MOSFET with focus on internal stray capacitances and inductances, and its verification,"*2017 IEEE Applied Power Electronics Conference and Exposition (APEC)*, Tampa, FL, 2017, pp. 2671-2677. - S. Komeda and H. Fujita, "Power decoupling control method for an isolated single-phase ac-to-dc converter based on high-frequency cycloconverter topology,"
*2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia (IFEEC 2017 - ECCE Asia)*, Kaohsiung, 2017, pp. 1059-1064. - D. Yamaguchi and H. Fujita, "A new PV converter for grid connection through a high-leg delta transformer using cooperative control of boost converters and inverters,"
*2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia (IFEEC 2017 - ECCE Asia)*, Kaohsiung, 2017, pp. 911-916. - P. Sochor and H. Akagi, "Theoretical and Experimental Comparison Between Phase-Shifted PWM and Level-Shifted PWM in a Modular Multilevel SDBC Inverter for Utility-Scale Photovoltaic Applications," in
*IEEE Transactions on Industry Applications*, vol. 53, no. 5, pp. 4695-4707, Sept.-Oct. 2017. - H. Akagi, "Multilevel Converters: Fundamental Circuits and Systems," in
*Proceedings of the IEEE*, vol. 105, no. 11, pp. 2048-2065, Nov. 2017. - W. Kawamura, Y. Chiba and H. Akagi, "A Broad Range of Speed Control of a Permanent Magnet Synchronous Motor Driven by a Modular Multilevel TSBC Converter," in
*IEEE Transactions on Industry Applications*, vol. 53, no. 4, pp. 3821-3830, July-Aug. 2017. - T. Fujita, T. Yasuda and H. Akagi, "A Dynamic Wireless Power Transfer System Applicable to a Stationary System," in
*IEEE Transactions on Industry Applications*, vol. 53, no. 4, pp. 3748-3757, July-Aug. 2017. - W. Kawamura, Y. Chiba, M. Hagiwara and H. Akagi, "Experimental Verification of an Electrical Drive Fed by a Modular Multilevel TSBC Converter When the Motor Frequency Gets Closer or Equal to the Supply Frequency," in
*IEEE Transactions on Industry Applications*, vol. 53, no. 3, pp. 2297-2306, May-June 2017. - K. Oguma and H. Akagi, "Low-Voltage-Ride-Through (LVRT) Control of an HVDC Transmission System Using Two Modular Multilevel DSCC Converters," in
*IEEE Transactions on Power Electronics*, vol. 32, no. 8, pp. 5931-5942, Aug. 2017. - F. Sasongko and H. Akagi, "Low-Switching-Frequency Operation of a Modular Multilevel DSCC Converter With Phase-Shifted Rotating-Carrier PWM," in
*IEEE Transactions on Power Electronics*, vol. 32, no. 7, pp. 5058-5069, July 2017. - Y. Okazaki
*et al*., "Experimental Comparisons Between Modular Multilevel DSCC Inverters and TSBC Converters for Medium-Voltage Motor Drives," in*IEEE Transactions on Power Electronics*, vol. 32, no. 3, pp. 1805-1817, March 2017. - W. Kawamura, Y. Chiba and H. Akagi, "A broad range of speed control of a permanent magnet synchronous motor driven by a modular multilevel TSBC converter,"
*2016 IEEE Energy Conversion Congress and Exposition (ECCE)*, Milwaukee, WI, 2016, pp. 1-6. - T. Fujita, T. Yasuda and H. Akagi, "A wireless power transfer system with a double-current rectifier for EVs,"
*2016 IEEE Energy Conversion Congress and Exposition (ECCE)*, Milwaukee, WI, 2016, pp. 1-7. - P. Sochor and H. Akagi, "Which is more suitable to a modular multilevel SDBC inverter for utility-scale PV applications, phase-shifted PWM or level-shifted PWM?,"
*2016 IEEE Energy Conversion Congress and Exposition (ECCE)*, Milwaukee, WI, 2016, pp. 1-7. - T. Mannen, I. Fukasawa and H. Fujita, "A new control method of suppressing DC-capacitor voltage ripples caused by third-order harmonic compensation in three-phase active power filters,"
*2016 IEEE Energy Conversion Congress and Exposition (ECCE)*, Milwaukee, WI, 2016, pp. 1-7. - H. Setiadi and H. Fujita, "Combined frequency and phase-shift control for switched-capacitor-based resonant converter,"
*2016 IEEE 8th International Power Electronics and Motion Control Conference (IPEMC-ECCE Asia)*, Hefei, 2016, pp. 3022-3029. - Y. Mukunoki
*et al*., "Characterization and Modeling of a 1.2-kV 30-A Silicon-Carbide MOSFET," in*IEEE Transactions on Electron Devices*, vol. 63, no. 11, pp. 4339-4345, Nov. 2016. - T. Mannen and H. Fujita, "Dynamic Control and Analysis of DC-Capacitor Voltage Fluctuations in Three-Phase Active Power Filters," in
*IEEE Transactions on Power Electronics*, vol. 31, no. 9, pp. 6710-6718, Sept. 2016. - Y. Okazaki, H. Matsui, M. M. Muhoro, M. Hagiwara and H. Akagi, "Capacitor-Voltage Balancing for a Modular Multilevel DSCC Inverter Driving a Medium-Voltage Synchronous Motor," in
*IEEE Transactions on Industry Applications*, vol. 52, no. 5, pp. 4074-4083, Sept.-Oct. 2016. - T. Mannen and H. Fujita, "A DC Capacitor Voltage Control Method for Active Power Filters Using Modified Reference Including the Theoretically Derived Voltage Ripple," in
*IEEE Transactions on Industry Applications*, vol. 52, no. 5, pp. 4179-4187, Sept.-Oct. 2016. - F. Sasongko, K. Sekiguchi, K. Oguma, M. Hagiwara and H. Akagi, "Theory and Experiment on an Optimal Carrier Frequency of a Modular Multilevel Cascade Converter With Phase-Shifted PWM," in
*IEEE Transactions on Power Electronics*, vol. 31, no. 5, pp. 3456-3471, May 2016. - N. Thitichaiworakorn, M. Hagiwara and H. Akagi, "A Medium-Voltage Large Wind Turbine Generation System Using an AC/AC Modular Multilevel Cascade Converter," in
*IEEE Journal of Emerging and Selected Topics in Power Electronics*, vol. 4, no. 2, pp. 534-546, June 2016. - J. I. Y. Ota, T. Sato and H. Akagi, "Enhancement of Performance, Availability, and Flexibility of a Battery Energy Storage System Based on a Modular Multilevel Cascaded Converter (MMCC-SSBC)," in
*IEEE Transactions on Power Electronics*, vol. 31, no. 4, pp. 2791-2799, April 2016. - P. Khamphakdi, M. Nitta, M. Hagiwara and H. Akagi, "Zero-Voltage Ride-Through Capability of a Transformerless Back-To-Back System Using Modular Multilevel Cascade Converters for Power Distribution Systems," in
*IEEE Transactions on Power Electronics*, vol. 31, no. 4, pp. 2730-2741, April 2016. - P. Sochor and H. Akagi, "Theoretical Comparison in Energy-Balancing Capability Between Star- and Delta-Configured Modular Multilevel Cascade Inverters for Utility-Scale Photovoltaic Systems," in
*IEEE Transactions on Power Electronics*, vol. 31, no. 3, pp. 1980-1992, March 2016. - Y. Okazaki, M. Hagiwara and H. Akagi, "Multiple medium-voltage motor drives using modular multilevel cascade converters with medium-frequency transformers,"
*2015 IEEE 2nd International Future Energy Electronics Conference (IFEEC)*, Taipei, 2015, pp. 1-6. - K. Oguma, F. Sasongko, M. Hagiwara and H. Akagi, "Low-voltage-ride-through capability of an HVDC transmission system using two modular multilevel cascade converters (MMCC-DSCC),"
*2015 IEEE 2nd International Future Energy Electronics Conference (IFEEC)*, Taipei, 2015, pp. 1-6. - W. Kawamura, M. Hagiwara and H. Akagi, "Design and evaluation of AC inductors indispensable to a modular multilevel cascade converter (MMCC-TSBC) for medium-voltage motor drives,"
*2015 IEEE 2nd International Future Energy Electronics Conference (IFEEC)*, Taipei, 2015, pp. 1-6. - P. Sochor and H. Akagi, "Energy-balancing control of a delta-configured modular multilevel cascade inverter for utility-scale photovoltaic systems,"
*2015 IEEE Energy Conversion Congress and Exposition (ECCE)*, Montreal, QC, 2015, pp. 4706-4713. - T. Horiguchi, S. Kinouchi, Y. Nakayama and H. Akagi, "A fast short-circuit protection method using gate charge characteristics of SiC MOSFETs,"
*2015 IEEE Energy Conversion Congress and Exposition (ECCE)*, Montreal, QC, 2015, pp. 4759-4764. - T. Fujita, T. Yasuda and H. Akagi, "A moving wireless power transfer system applicable to a stationary system,"
*2015 IEEE Energy Conversion Congress and Exposition (ECCE)*, Montreal, QC, 2015, pp. 4943-4950. - T. Mannen and H. Fujita, "A DC capacitor voltage control method for active power filters using modified reference including the voltage ripple derived from a theoretical analysis,"
*2015 IEEE Energy Conversion Congress and Exposition (ECCE)*, Montreal, QC, 2015, pp. 5173-5179. - W. Kawamura, Y. Chiba, M. Hagiwara and H. Akagi, "Experimental verification of TSBC-based electrical drives when the motor frequency is passing through, or equal to, the supply frequency,"
*2015 IEEE Energy Conversion Congress and Exposition (ECCE)*, Montreal, QC, 2015, pp. 5490-5497. - Y. Okazaki, H. Matsui, M. M. Muhoro, M. Hagiwara and H. Akagi, "Enhancement on capacitor-voltage-balancing capability of a modular multilevel cascade inverter for medium-voltage synchronous-motor drives,"
*2015 IEEE Energy Conversion Congress and Exposition (ECCE)*, Montreal, QC, 2015, pp. 6352-6359. - H. Akagi, "The cutting edge of power electronics for high-power applications,"
*2015 34th Chinese Control Conference (CCC)*, Hangzhou, 2015, pp. 9-17. - 萬年智介・深澤一誠・藤田 英明：「三相電力用アクティブフィルタの3次高調波電流補償に伴う直流コンデンサ電圧脈動の抑制法」, 電気学会論文誌D, vol. 137, no. 2, pp. 141-147, (2017)

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