http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
유도 전동기 구동용 다이오드 브릿지-타입 ZVT 인버터
이성룡(S. R. Lee),고성훈(S. H. Ko),권순신(S. S. Kwon),송인석(1. S. Song) 전력전자학회 1999 전력전자학술대회 논문집 Vol.1999 No.7
In this paper, the diode bridge-type ZVT(Zero-Voltage Transition) inverter is proposed. It consists of one auxiliary switch, three resonant inductors and six blocking diodes So, the advantage of the proposed topology is the reduction of the auxiliary switch. The topology of the proposed ZVT inverter is analyzed with a description of the control conditions based on the load current. Therefore, this paper two control algorithms were discussed. a variable resonant pattern control algorithm by using load current feedback and a resonant period control algorithm by using resonant inductor current feedback IS proposed in order to achieve the ZVT switching condition in full control range and the reducing current spike main switches cause by reverse recovery problem.
Power Amp.용 3KW급 ZVT PFC 컨버터 설계
이성룡,전칠환,권순신 군산대학교 정보통신기술연구소 2000 情報通信技術硏究論文集 Vol.4 No.-
A new ZVT PFC for using 3[KW] power amplifier is proposed. Generally, the single phase diode rectifier has been widely used in the SMPS of the conventional power amplifier. But this rectifier has occurred some problems which are the input power factor and current harmonics. To solve the above problems, in this paper, two topology is adopted. The one is the boost type PFC for improving the input power factor. The other is the ZVT resonant circuit for reducing the switching loss and stress. In this paper, the proposed topology is analyzed and designed to built the ZVT PFC for using 3[KW] power amplifier. In order to verify the circuit validity, finally, the PSPICE simulation and experimental results are presented.