Research activities -AC/AC converter-

Original paper
  • H. Takahashi, J. Itoh: "Control Method for a Matrix Converter to Ensure Compatibility between Filter Resonance Suppression and Output Current Control Performance", IEEJ Transactions on Industry Applications, Vol. 135, No. 7, pp. 802-815 (2015)
  • Y.Nakata, J. Itoh: "Output Waveform Improvement of Single-Phase to Three-Phase Matrix Converter for High-frequency Applications using Delta-Sigma Modulation and Space Vector Modulation", IEEJ Transactions on Industry Applications, Vol. 135, No. 1, pp. 58-64 (2015)
  • K. Koiwa, J. Itoh: "Efficiency Evaluation of a Matrix Converter with a Boost-Up AC Chopper in an Adjustable Drive System", IEEJ Journal of Industry Applications, Vol. 3, No. 1, pp. 26-34 (2013)
  • H. Takahashi, J. Itoh: "Damping Control of Filter Resonance Focusing on Output Stage for Multi-Modular Matrix Converter", IEEJ Journal of Industry Applications, Vol. 2, No. 5, pp. 242-251 (2013)
  • G. T. Chiang, J. Itoh: "Comparison of Two Overmodulation Strategies in an Indirect Matrix Converter", IEEE Trans. On IE, Vol. 60, No. 1, pp. 43-53 (2012)
  • G. T. Chiang, J. Itoh: "DC/DC Boost Converter Functionality in a Three-phase Indirect Matrix Converter", IEEE Trans. On Power Electronics, Vol. 26, No. 5, pp. 1599-1607 (2011)
  • G. T. Chiang, J. Itoh: "Motor Performance Investigation of an Indirect Matrix Converter with a Reactor Free Boost Converter", IEEJ Trans. D, Vol. 124, No. 1 (2011)
  • J. Itoh, T. Iida, D. Matsumura: "High Efficiency High-Frequency Link Converter with AC/AC Direct Converter Technology", IEEJ Trans. D, Vol. 127, No. 8, pp. 822-828 (2008)
  • International conference
  • J. Itoh, K. Asai, K. Kusaka, S. Nagai: "Expansion of FRT Operation Range and Reduction of Grid Current Distortion for Grid-Tied Matrix Converter", Energy Conversion Congress Exposition 2018, Vol. , No. , pp. 560-567 (2018)
  • J. Itoh, T. Masuda: "Loss Reduction for Matrix Converter with Hybrid Six-step Operation in Flywheel Energy Storage System", The 12th IEEE International Conference on Power Electronics and Drive Systems, Vol. , No. 463, pp. (2017)
  • J. Itoh, K. Asai, T. Nagano, T. Kataoka: "Expansion of FRT Operation Range for Grid-Tied Matrix Converter System", International Future Energy Electronics Conference 2017-ECCE Asia, Vol. , No. , pp. (2017)
  • J. Itoh, T. Masuda, T. Nagano, H. Higa: "Hybrid Six-step Operation for Matrix Converter in Flywheel Energy Storage System", ICEMS2016, Vol. , No. 0316, pp. (2016)
  • T.Kataoka, H.Takahashi, J. Itoh: "Combination of Input Output Control using Matrix Converter for Islanded Operation for AC generator", ICRERA2015, Vol. , No. 242, pp. (2015)
  • S, Takuma, H. higa, K. Orikawa, J. Itoh: "Optimum Inductance for Isolated DC to Three-phase AC Converter using Indirect Matrix Converter", 2015 Symposium on Semiconductor Power Conversion (S2PC), Vol. , No. JP18, pp. 152-153 (2015)
  • H. Takahashi, J. Itoh: "Ride Through Capability of Matrix Converter for Grid Connected System under Short Voltage Sag", IECON2015, Vol. , No. , pp. 5298-5303 (2015)
  • S. Takuma, R. Osima, H. Takahashi, K.Orikawa, J.Itoh: "Isolated DC to Three-phase AC Converter using Indirect Matrix Converter with ZVS Applied to All Switches", ECCE2015, Vol. , No. , pp. 4678-4684 (2015)
  • J. Itoh, K. Yoneda, H.Takahashi: "Improvement in Input current waveform of High Efficiency AC-AC Converter for Online UPS", , Vol. , No. , pp. (2015)
  • N.Takaoka, H.Takahashi, J. Itoh, G. T. Chiang, M.Sugai, T.Sugiyama: "Power Decoupling Method Comparison of PDM with of Isolated Single-phase Matrix Converters and using Center-tapped Transformer with PDM", , Vol. , No. , pp. (2015)
  • Y. Kadoshima, K. Koiwa, J. Itoh, F. Anne, A. Gerlaud: "Surge Voltage Suppression Methods for Three-phase to Single-phase Matrix Converter", The Applied Power Electronics Conference and Exposition 2015, Vol. , No. , pp. 115-121 (2015)
  • Kazuki Yoneda, Hiroki Takahashi, Jun-ichi Itoh: "Switching Loss Reduction of AC-AC Converter using Three-level Rectifier and Inverter for UPS.", IEEE International Power Electronics and Application Conference and Exposition, Vol. , No. , pp. (2014)
  • 【Excellent Paper】
  • H. Takahashi, N. Takaoka, R. Gutierrez, J. Itoh: "Power Decoupling Method for Isolated DC to Single-phase AC Converter using Matrix Converter", IECON2014, Vol. , No. , pp. 3337-3343 (2014)
  • K. Koiwa, J. Itoh: "Evaluation of a Maximum Power Density Design Method for Matrix Converter using SiC-MOSFET", 2014 IEEE Energy Conversion Congress and Exposition, Vol. , No. EC-1932, pp. 563-570 (2014)
  • H. Takahashi, J. Itoh: "Design Procedure for Output Current Control and Damping Control of Matrix Converter", The 2014 International Power Electronics Conference, Vol. , No. 19P1-14, pp. 152-159 (2014)
  • K. Koiwa, G.T. Chiang, J. Itoh: ""Loss Analysis and Design Method for High Efficiency Matrix Converter ", The 2014 International Power Electronics Conference, Vol. , No. 19I1-4, pp. 1028-1035 (2014)"
  • Goh Teck Chiang, K. Orikawa, Y. Ohnuma, J. Itoh: "Improvement of Output Voltage with SVM in Three-phase AC to DC Isolated Matrix Converter", IECON2013 (2013)
  • 【Best paper in session】
  • K. Koiwa, J. Itoh: "Efficiency and Damping Control Evaluation of a Matrix Converter with a Boost-up AC Chopper in Adjustable Speed Drive System", IEEE Energy Conversion Congress and Exposition, pp. 2707-2714 (2013)
  • H. Takahashi, J. Itoh: "Stability Analysis of Damping Control to Suppress Filter Resonance in Multi-modular Matrix Converter", IEEE Energy Conversion Congress and Expo 2013, pp. 448-455 (2013)
  • Hiroki Takahashi, Jun-ichi Itoh: 「Damping Control Combined to Output Stage for a Multi-Modular Matrix Converter」, APEC 2013, pp. 1226-1233 (2013)
  • K. Koiwa, J. Itoh: "Efficiency Evaluation of a Matrix Converter with a Boost-up AC Chopper in Adjustable Drive System", KJJTWS (2012)
  • T.Nakanishi, J. Itoh: "Basic Investigation of Three-Phase to Single-Phase Power Converter using Modular Multilevel Converter Topology", KJJTWS (2012)
  • Goh Teck Chiang, Junichi Itoh, Jaesuk Lee, Robert D. Lorenz: "Performace Evaluation of Interior Permanent Magnet Synchronous Machines using Deadbeat- Direct Flux Control in an Indirect Matrix Converter with a Reactor Free Boost Converter", IEEE ECCE 2012, Raleigh, S100, pp. 4008-4014 (2012)
  • J. Itoh, T. Mura, H. Takahashi: "Investigation of Switching Loss Reduction for the Matrix Converter Based on Virtual AC/DC/AC Conversion using Space Vector Modulation", IEEE COMPEL 2012, PS-01-23 (2012)
  • K. Koiwa, J. Itoh: "A Dampling Control Method for a Matrix Converter with a Boost AC Chopper", ECCE Asia, pp. 783-789 (2012)
  • K. Koiwa, J. Itoh: "Verification of Effectiveness of a Matrix Converter with Boost-up AC Chopper by Using an IPM Motor", APEC2012, No. 2265, (2012)
  • G. T. Chiang, J. Itoh: "Performance Optimization of a Square wave operation in an Indirect Matrix Converter with a reactor free DC Boost Converter", EPE2011 (2011)
  • K. Koiwa, J. Itoh: "Experimental Verification for a Matrix Converter with a V-connection AC Chopper", EPE2011, (2011)
  • K. Kato, J. Itoh: "An Investigation of High Efficiency Operation Conditions for a Three-Port Energy Source System Using an Indirect Matrix Converter", IEEE ECCE2011, pp. 230-237 (2011)
  • Y. Ohnuma, J. Itoh: "Comparison of Boost Chopper and Active Buffer as Single to Three Phase Converter", IEEE ECCE2011, pp. 515-521 (2011)
  • J. Itoh, T. Hinata, K. Kato: "A control method to reduce a surge voltage of indirect matrix converter by using zero current and zero voltage switching", IEEE ECCE2011, pp. 1385-1391 (2011)
  • J. Itoh, H. Takahashi, J. Haruna: "A high Energy Saving Interface System Using a Matrix Converter between a Power Grid and Engine Generator for BDF", Power Tech 2011 (2011)
  • J. Haruna and J. Itoh: "Control Strategy for a Matrix Converter with a Generator and a Motor," The Applied Power Electronics Conference and Exposition (APEC 2011)
  • T. Hinata, J. Itoh: "Experiment Verification of Surge Voltage Reduction by Zero Voltage Switching Indirect Matrix Converrter", IEEE Shinetsu Section Poster Session, IEEE-19 (2010)
  • G. T. Chiang, J. Itoh: "Voltage Transfer Ratio Improvement of an Indirect Matrix Converter by Single Pulse Modulation", IEEE ECCE2010, pp. 1830-1837 (2010)
  • [IEEE Power Electronics Society Student Travel Award]
  • Y. Ohnuma, J. Itoh: "A Control Method for a Single-to-three-phase Power Converter with an Active Buffer and a Charge Circuit", IEEE ECCE2010, pp. 1801-1807 (2010)
  • J. Haruna and J. Itoh: "Behavior of a Matrix Converter with a Feed Back Control in an Input Side," The 2010 International Power Electronics Conference (IPEC-Sapporo 2010), 23I1-5, pp.1202-1207 (2010)
  • Y. Ohnuma, J. Itoh: "Space Vector Modulation for a Single Phase to Three Phase Converter Using an Active Buffer", IPEC2010 (2010)
  • J. Itoh, K. Maki: "Single-pulse Operation for a Matrix Converter Synchronized with the Output Frequency", IPEC2010 (2010)
  • J. Itoh, K. Koiwa, K. Kato: "Input Current Stabilization Control of a Matrix Converter with Boost-up Functionality", IPEC2010, (2010)
  • K. Kato, J. Itoh: "Control Strategy for a Buck-boost Type Direct Interface Converter Using an Indirect Matrix Converter with an Active Snubber", APEC2010, No. 1055 (2010)
  • J. Itoh, T. Hinata: "Downsized and High Efficient Direct Power Converters for High-power Servo Application", The 11th AMC, NF-001147 (2009)
  • G. T. Chiang, J. Itoh: "A High Efficiency Three-phase AC Motor Drive Converter that Utilized the Neutral Point of a Motor", The 8th PEDS, No. 230 (2009)
  • G. T. Chiang, J. Itoh: "A Three-Port Interface Converter by Using an Indirect Matrix Converter with the Neutral Point of the Motor", ECCE2009, No. S9-1a 1363 (2009)
  • Y. Ohnuma, J. Itoh: "Novel Control Strategy for Single-Phase to Three-Phase Power Converter Using an Active Buffer", EPE2009, No. LS7c-14 (2009)
  • J. Itoh, K. Maki: "Novel Control Strategy for Synchronous PWM on a Matrix Converter", ECCE, No. P8-3 1225 (2009)
  • K. Kato, J. Itoh: "A Control Method for Buck-boost Type Direct Interface Converter With DC Power Supply", Japan - Korea Joint Workshop on Semiconductor Power Conversion SPC-09-108 (2009)
  • Y. Ohnuma, J. Itoh: "Control Strategy for a Three-Phase to Single-Phase Power Converter Using an Active Buffer with a Small Capacitor", IEEE 6th IPEMC 2009 (2009)
  • K. Kato, J. Itoh: "Control Method for a Three-Port Interface Converter Using an Indirect Matrix Converter with an Active Snubber Circuit", EPE-PEMC, pp. 596-603 (2008)
  • J. Haruna and J. Itoh: "Modeling Design for a Matrix Converter with a Generator as Input," The Eleventh IEEE Workshop on Control and Modeling for Power Electronics (COMPEL 2008), COM352 (2008)
  • K. Kato, J. Itoh: "A Novel Control Method for Direct Interface Converters used for DC and AC Power Supplies", EPE, pp. 1-10 (2007)
  • J. Itoh,S. Tamada: "A Novel Engine Generator System with Active Filter and UPS Functions Using a Matrix Converter", 12th European Conference on Power Electronics and Applications, No.631 (2007)
  • J. Itoh, K. Nagayoshi: "A New AC Bidirectional Switch  with Regenerative Snubber  to Realize a Simple Series Connection for High Power AC/AC Direct Converters", The 38th annual Power Electronics Specialists Conference, No.708 (2007)
  • J. Haruna and J. Itoh: "A Control Strategy for a Matrix Converter under a Large Impedance Power Supply," The 38th annual Power Electronics Specialists Conference (PESC 2007), pp.659-664 (2007)
  • J. Itoh, H. Tamura: "A Novel Control Strategy for a Combined System Using Both Matrix Converter and Inverter without Interconnection Reactors", IEEE PESC2008, pp.1741-1747 (2008)
  • K. Kato, J. Itoh: "Improvement of Input Current Waveforms for a Matrix Converter Using a Novel Hybrid Commutation Method", PCC, pp. 763-768 (2007)
  • J. Itoh, T. Iida, A. Odaka: "Realization of High Efficiency AC link Converter System based on AC/AC Direct Conversion Techniques with RB-IGBT", The 32th Annual Conference of the IEEE Industrial Electronics Society, PF-012149 (2006)