168 results on '"Akagi, Hirofumi"'
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2. Efficiency Improvement and Transient Characteristics of the 750-V, 100-kW, 20-kHz Bidirectional Isolated DC-DC Converter
3. Expectations for the IEEJ Industry Applications Society
4. A High-Voltage Hybrid DC Circuit Breaker Combining Mechanical Switches and an Advanced Multilevel Converter
5. Output Voltage Regulation of a Unidirectional Isolated DC-DC Converter Used as an Auxiliary Power Supply for Electric Commuter Trains
6. Dynamic Braking for a Medium-Voltage Induction Motor Driven by a Modular Multilevel DSCC Inverter
7. Experimental Verification of a Virtual Medium-Voltage High-Speed Synchronous-Motor Drive Test System Based on Two Modular Multilevel DSCC Converters
8. Feasibility Study of a Modular Multilevel DSBC Conversion System Equipped With Medium-Frequency Isolation Transformers for Driving Multiple Medium-Voltage Motors
9. Low-Voltage-Ride-Through (LVRT) Performance of an HVDC Transmission System Using two Modular Multilevel Double-Star Chopper-Cells (DSCC) Converters
10. Enhancement of Power Conversion Efficiency in a Low-Power Range of a Bidirectional Isolated DC-DC Converter by Intermittent Operation
11. Fundamental Discussion on a Wireless Power Transfer System Equipped with a Common Secondary Coil During Parking and Driving
12. A Hybrid DC Circuit Breaker Combining a Multilevel Converter and Mechanical Contactors: Verification of the Principles of Operation by Experiment and Simulation
13. An Induction-Motor Control Method for Minimization of Capacitor-Voltage Fluctuations in a Modular Multilevel DSCC Inverter: Its Applications to a Quadratic-Torque Load
14. Mitigation of Capacitor-Voltage Fluctuation in a Modular Multilevel Triple-Star Bridge-Cell (TSBC) Converter for Medium-Voltage Motor Drives
15. Experimental Verification of a Front-To-Front (FTF) System Consisting of Two Modular Multilevel Cascade Converters Based on Double-Star Chopper Cells
16. A Low-Speed, High-Torque Motor Drive Using a Modular Multilevel Cascade Converter Based on Triple-Star Bridge Cells (MMCC-TSBC)
17. Honorary Member in 2010, Tadashi FUKAO
18. Influence of Arc Discharge on the Surface of a Contact Wire
19. Power-flow Analysis and Capacitor-Voltage Control of the Modular Multilevel Cascade Converter (MMCC-xSBC)
20. Short-Circuit Protection Method Based on a Gate Charge Characteristic
21. Discussion on Triangular-Carrier Frequencies of a Modular Multilevel Cascade Converter Based on Double-Star Chopper Cells (MMCC-DSCC) with Phase-Shifted PWM
22. An Application of a Physics-based IGBT Model to a Protection Circuit for Short-Circuit Conditions
23. Development of Wavelength Converter for Arc Light Detection
24. Temperature Analysis of Parallel-Connected IGBTs under PWM Operating Conditions Using a Physics Model
25. A 750-V, 100-kW, 20-kHz Bidirectional Isolated DC/DC Converter Using SiC-MOSFET/SBD Modules
26. A Back-To-Back (BTB) System Using Modular Multilevel Cascade Converters Based on Double-Star Chopper-Cells (MMCC-DSCC): Verification of Operation by Experiment and Simulation
27. Decoupled Control of a Modular Multilevel Cascade Converter Based on Triple-Star Bridge-Cells (MMCC-TSBC)
28. Control and Verification of a Modular Push-Pull PWM Converter for a Battery Energy Storage System
29. A Speed-Sensorless Start-Up Method for an Induction Motor Driven by a Modular Multilevel Cascade Inverter Based on Double-Star Chopper Cells (MMCI-DSCC)
30. A Phase-Shifted PWM STATCOM Using the Modular Multilevel Cascade Converter (MMCC-SSBC)
31. A Phase-Shifted PWM STATCOM Using the Modular Multilevel Cascade Converter (MMCC-SSBC)
32. Reverse-Recovery Analysis of Parallel-Connected pin Diodes Using a Physics-Based Device Model
33. Mechanism of Shaft End-To-End Voltage Generation by Asymmetry in an Inverter-Driven Motor
34. Power Flow Analysis and DC-Capacitor Voltage Regulation for the MMCC-DSCC
35. Experimental Discussion on a 6-kW, 2-kWh Battery Energy Storage System Using a Bidirectional Isolated DC/DC Converter
36. Decoupled Control of a Three-Phase Modular Multilevel Cascade Converter Based on Double-Star Chopper-Cells
37. Low-Speed Operation of a Medium-Voltage Motor Drive Using a Modular Multilevel Cascade Inverter (MMCI-DSCC)
38. Application of a Modular Multilevel Cascade Converter (MMCC-SDBC) to a STATCOM
39. Theoretical Analysis and Control of the Modular Multilevel Cascade Converter Based on Double-Star Chopper-Cells (MMCC-DSCC)
40. Discussions on Switching-Ripple Voltages on the Common DC Link of the Modular Multilevel Cascade Inverter (MMCI-DSCC)
41. A Parameters Extraction Procedure Based on Integrated Evaluation of Static and Dynamic Characteristics -Application to a pin Diode Model-
42. Individual Battery-Power Control for a Battery Energy Storage System Using a Modular Multilevel Cascade Converter
43. The Next-Generation Power Electronics Technology for Smart Grids
44. A Medium-Voltage Motor Drive with a Modular Multilevel PWM Inverter Part I. Experimental Verification by a 400-V, 15-kW Downscaled Model
45. A Medium-Voltage Motor Drive with a Modular Multilevel PWM Inverter Part II. Startup Method and Performance
46. Method for Controlling a Multilevel Cascade BTB System Using Bidirectional Isolated DC/DC Converters
47. A DC-Voltage-Balancing Circuit for a Five-Level Diode-Clamped PWM Inverter Intended for Motor Drives
48. Harmonic Filtering Performance of a Hybrid Active Filter for a Three-Phase 12-Pulse Diode Rectifier
49. Energy Storage System Combining a 320-V, 12-F Electric Double Layer Capacitor Bank with a Bidirectional Isolated DC-DC Converter
50. A 6.6-kV Transformerless Battery Energy Storage System Based on a Cascade Multilevel PWM Converter: Experimental Verification by a 200-V, 10-kW, 3.6-kWh Laboratory Model
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