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- 검색키워드
- 저자 : Shin-ichiro Nagai (검색결과 2 건)
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Hisashi Iyomori,Shin-ichiro Nagai,Kazuhiro Shiraishi,Tarek Ahmed,Hiraki Eiji,Nakoka Mutsuo 전력전자학회 2003 전력전자학술대회 논문집 Vol.2003 No.7(2)
Abstract: This paper presents a novel prototype of the three~phase bridge power block module type auxiliary resonant AC link snubber circuit, which is effectively used for the three-phase voltage source type sinwave soft switching PWM inverter lising IGBTs Its operating principle is described for current source load model, along with its practical design approach based on the simulation data The performance evaluations of the three-phase voltage source type sinewave soft switching PWM inverter incorpoiating a single three-phase bridge module of active auxiliary resonant AC link snubber treated here is illustrated, which is concerned with power quality efficiency power loss analysLs This inverter is discussed a compared with those of the three-phase voltage source type sinewave hard switching PWM inverter The power loss analysis of this soft switching PWM inverter using IGBT power modules is evaluated on the basis of the measured V-I characteristics and switching power losses of IOBT, and antiparallel diodes The practical effectiveness of this inverter is proven by the power loss analysis for distributed power supply<br/>
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Hisashi Iyomori,Shin-ichiro Nagai,Masanobu Yoshida,Eiji Hiraki,Mutsuo Nakaoka 전력전자학회 2004 JOURNAL OF POWER ELECTRONICS Vol.4 No.2
This paper presents a novel three-phase power module bridge type auxiliary resonant AC link snubber for the three-phase voltage-fed sinwave soft switching PWM inverter operating under specific instantaneous space voltage vector modulation The operating principle of this resonant snubber is described for current source load model during one switching period, along with its design approach based on the simulation data The performance evaluations of space vector modulation three-phase sinewave soft switching inverter with a new three-phase active auxiliary resonant AC link snubber are discussed as compared with those of three-phase voltage source-fed sinewave hard switching PWM inverter with a standard space voltage vector modulation strategy The power loss analysis and conventional efficiency estimation of three-phase soft switching PWM inverter using IGBT modules are carried out including all the conduction power losses based upon the measured v-i characteristics of IGBT and its antiparallel diode as well as their switching losses
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