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능동 스너버를 갖는 2KW 소프트 스위칭 ZVT 역률 보정 컨버터 설계
박경수(Kyoung-Soo Park),김륜호(Yoon-Ho Kim),박경수(Kyoung-Soo Park) 전력전자학회 2001 전력전자학술대회 논문집 Vol.2001 No.7
In this paper a soft switching ZVT power factor converter using active snubbers is designed to improve efficiency and reduce voltage spike and parastic ringing. The main switch achieves ZVT and the auxiliary switch performs with ZCS. A 2KW soft switching ZVT converter is designed with switching frequency 100kHz, output voltage 400VDC.<br/> Then the designed system is realized and experimental results shows that the measured efficiency and power factor were over 97.45% and 0.997 respectively with an input current THD less than 3%.