http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Eiji Hiraki,Mutsuo Nakaoka,Shigeyuki Sugimoto,Shigeaki Ogawa 전력전자학회 2005 JOURNAL OF POWER ELECTRONICS Vol.5 No.1
This paper presents a novel prototype of an active auxiliary quasi-resonant snubber(Auxiliary Quasi-Resonant Commutation Block-Link; ARCB)-assisted three voltage source soft switching space voltage vector modulated PFC rectifier, which uses Zero Voltage Soft Switching (ZVS) commutation. The operating principles of this digitally-controlled three phase soft switching PWM-PFC rectifier system with an instantaneous power feedback scheme are illustrated and its steady-state performance is evaluated using computer-aided simulation analysis.
Satoshi Nagai,Mutsuo Nakaoka 전력전자학회 1989 ICPE(ISPE)논문집 Vol.- No.-
Tills paper describes a phase-shifted pulse-width voltage modulation and frequency modulation hybrid type regulating-mode scrips-resonant Inverter circuit using the latest Static Induction (SI) Transistors or Static Induction (SI) Thyrlstors, which is practically applied for 30 kHz - 500 kHz Induct Ion-heat Ing and -melting high-power supply systems In Industrial fields.<br/> The new conccptlonal adaptive frequency tracking-based phase-shifting PWM regulation scheme In a voltage-fed bridge type series resonant inverter system is newly proposed In order to minimize switching losses, switching stresses and EMI noise.<br/> The trially-produced breadboards using Static Induction Transistors or Static Induction Thyritors are successfully demonstrated and discussed from a practical point of view.<br/>
Eiji Hiraki,Mutsuo Nakaoka 전력전자학회 2003 JOURNAL OF POWER ELECTRONICS Vol.3 No.1
This paper presents a performance analysis of typical Anxiliary Resonant Commutation Snubber-assisted three phase voltage source soft switching inverter which can operate under a condition of Zero Voltage Switching (ZVS) using a digital control scheme which is suitable for high power applications compared with resonant DC link snubber assisted soft switching inverter. The system performances of this invertei are illustrated and evaluated on the basis of experimental results.<br/>
PWM-PDM Controlled Soft-Switching DC-DC Power Converter Operating at Battery Input
Hidekazu Muraoka,Mutsuo Nakaoka,Kenya Sakamoto 전력전자학회 2004 ICPE(ISPE)논문집 Vol.- No.-
This paper presents a innovative prototype of PWM soft-switching DC-DC forward type converter designed for specific low voltage large current condition at 24V battery input. To achieve soft-switching, prototype of ZCS PWM DC-DC forward type converter applies additional control mode at partial operating area. The proposed converter is controlled by dual modulation as PWM-PDM at low duty operation. The soft-switching forward converter controlled PWM-PDM dual control scheme which can efficiency operate over wide load ranges under conditions of ZCS and active voltage clamped<br/> switching is established.
Hiraki, Eiji,Nakaoka, Mutsuo The Korean Institute of Power Electronics 2003 JOURNAL OF POWER ELECTRONICS Vol.3 No.1
This paper presents a performance analysis of typical Auxiliary Resonant Commutation Snubber-assisted three phase voltage source soft switching inverter which can operate under a condition of Zero Voltage Switching (ZVS) using a digital control scheme which is suitable for high power applications compared with resonant DC link snubber assisted soft switching inverter. The system performances of this inverter are illustrated and evaluated on the basis of experimental results.
Rukonuzzaman, M.,Nakaoka, Mutsuo The Korean Institute of Power Electronics 2002 JOURNAL OF POWER ELECTRONICS Vol.2 No.1
An advanced active power filter for the compensation of instantaneous harmonic current components in nonlinear current load is presented in this paper. A novel signal processing technique using an adaptive neural network algorithm is applied for the detection of harmonic components generated by three-phase nonlinear current loads and this method can efficiently determine the instantaneous harmonic components in real time. The control strategy of the switching signals to compensate current harmonics of the three-phase inverter is also discussed and its switching signals are generated with the space voltage vector modulation scheme. The validity of this active filtering processing system to compensate current harmonics is substantiated on the basis of simulation results.
Voltage Source Resonant Inverter for Excimer Gas Discharge Load
Oleg Koudriavtsev,Mutsuo Nakaoka 전력전자학회 2002 JOURNAL OF POWER ELECTRONICS Vol.2 No.3
Silent gas discharge method has been widely applied for ozone production, ultraviolet light and UV laser generation. Since ozone and ultraviolet applications have tendency to spread widely in industry, the development of efficient and low-power supply for such systems is an Important task at present This paper introduces high-frequency inverter type mode power supply designed for ozone generation tube and ultraviolet generation excimer lamp and considerations on the design of the inverter and pulse density modulation control strategy applied m it.
Hirachi, Katsuya,Nakaoka, Mutsuo The Korean Institute of Power Electronics 2003 JOURNAL OF POWER ELECTRONICS Vol.3 No.4
The rapid expansion of small computers over the last 10-odd years has brought about great changes in the circumstances affecting UPSs. There are strong demands that UPSs become much smaller and lighter, and more economical, which has resulted in the wide application of the circuit topology without transformer. A disadvantage of such UPS topology is that the DC link voltage is very high, which invites decreased reliability and increased cost of battery bank. Some circuit configurations were proposed to eliminate this disadvantage, but they still had problems. In this paper, a novel circuit configuration which eliminates these problems is proposed and evaluated by the experimental results of prototype UPS.
Katsuya Hirachi,Mutsuo Nakaoka 전력전자학회 2003 JOURNAL OF POWER ELECTRONICS Vol.3 No.4
The rapid expansion of small computers over the last 10-odd years has brought about great changes in the circumstances affecting UPSs. There are strong demands that UPSs become much smallei and lighter, and more economical, which has resulted m the wide application of tbe circuit topology without transformer A disadvantage of such UPS topology is that the DC link voltage is very high, which invites decreased reliability and increased cost of battery bank Some circuit configurations were proposed to eliminate this disadvantage, but they still had problems In this paper, a novel circuit configuration which eliminates these problems is proposed and evaluated by the experimental results of prototype UPS.
Voltage Source Resonant Inverter for Excimer Gas Discharge Load
Oleg Koudriavtsev,Mutsuo Nakaoka 전력전자학회 2001 ICPE(ISPE)논문집 Vol.2001 No.10
Silent gas discharge method has been widely applied for ozone production, ultraviolet light and UV laser generation Since ozone and ultraviolet applications have tendency to spread widely in industry, the development of efficient and low-cost power supply for such systems is a task of great impotency This paper introduces high-frequency inverter type mode power supply designed for ozone generation tube and ultraviolet generation excimer lamp and considerations on this inverter and pulse density modulation control strategy applied in it.<br/>