Seiji Iyasu, Yuji Hayashi, Yuichi Handa, Kimikazu Nakamura, Keiji Wada, ``A Bidirectional Current Sensor based on CT with Diode Rectifier and MOSFET for Bidirectional Current-fed DC-DC Converter’’, IEEJ Journal of Industry Applications 2019年5月
Tomoyuki Mannen, Keiji Wada, ``Control Method for Overvoltage Suppression Across the DC Capacitor in a Grid-Connection Converter Using Leg Short Circuit of Power MOSFETs during the Initial Charge’’, IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS 2019年7月
Mitsuhiko Sagara, Keiji Wada, Shin-ichi Nishizawa, `` Degradation characteristics of SiC power devices for DC circuit breaker by repetitive unclamped inductive switching test, ‘’Microelectronics Reliability 2019年9月
Tomoyuki Mannen, Keiji Wada, ``Reliability evaluation of power MOSFETs used for an initial charge method using multiple short-circuits in each leg’’, Microelectronics Reliability 2019年9月
Mitsuhiro Kadota, Hiroyuki Shoji, Hiroyuki Hirose, Atsushi Hatakeyama, Keiji Wada, ``A Turn-OFF Delay Controlled Bleeder Circuit for Single-Stage TRIAC Dimmable LED Driver With Small-Scale Implementation and Low Output Current Ripple,’’ IEEE TRANSACTIONS ON POWER ELECTRONICS 2019年10月
Yu Shan Cheng, Tomoyuki Mannen, Keiji Wada, Koutarou Miyazaki, Makoto Takamiya, Takayasu Sakurai, ``Optimization Platform to Find a Switching Pattern of Digital Active Gate Drive for Reducing Both Switching Loss and Surge Voltage, ‘’IEEE Transactions on Industry Applications 2019年10月
Tomoyuki Mannen ; Hidetaka Mishima ; Keiji Wada, ``Peak Temperature Reduction Method of SiC-MOSFETs Employed in the Initial Charge for the DC Capacitor Using Leg Short-Circuits,’’International Conference on Power Electronics and ECCE Asia (ICPE 2019 - ECCE Asia),2019年5月
Koji Mitsui ; Keiji Wada, ``Design of Bus Bar Structures in Power Converter Circuit Considering Both Parasitic Inductance and AC Resistance’’, International Conference on Power Electronics and ECCE Asia (ICPE 2019 - ECCE Asia), 2019年5月
Tomoyuki Mannen ; Pham Ngoc Ha ; Keiji Wada, ``Performance Evaluation of a Boost Integrated Three-Phase PV Inverter Operating With Current Unfolding Principle’’, European Conference on Power Electronics and Applications (EPE '19 ECCE Europe), 2019年9月
Hidemine Obara ; Tomoyuki Mannen ; Keiji Wada ; Koutaro Miyazaki ; Toru Sai ; Makoto Takamiya ; Takayasu Sakurai, ``Design and Implementation of Digital Active Gate Control with Variable 63-level Drivability Controlled by Serial 4-bit Signals’’, IEEE Energy Conversion Congress and Exposition (ECCE),2019年10月
Ha Pham N. ; Tomoyuki Mannen ; Keiji Wada, ``A Current Source Three-Phase AC-AC Converter using Current Unfolding and Active Damping Principles’’IEEE Energy Conversion Congress and Exposition (ECCE),2019年10月
Yoshikazu Kuwabara ; Keiji Wada ; Jean-Michel Guichon ; Jean-Luc Schanen ; James Roudet, ``Overcurrent Detection Using an Integrated Rogowski Coil for an Electric Vehicles Inverter,’’IEEE International Future Energy Electronics Conference (IFEEC),2019年11月
Hiroshi Tokuyama ; Keiji Wada ; Shigeyoshi Goka, ``Design and Experiment of a Gate Drive Circuit using SAW Filter with Signal and Power Transmission,’’IEEE International Future Energy Electronics Conference (IFEEC) ,2019年11月
受賞・表彰等(本人)
Best Paper Award, IEEE IFEEC 2019, 2019年11月
Third IPCC Prize Paper Award, IEEE ECCE 2019, 2019年10月