전력전자학회:학술대회논문집 (Proceedings of the KIPE Conference)
- 전력전자학회 2003년도 춘계전력전자학술대회 논문집(1)
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- Pages.352-357
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- 2003
영전압 스위칭 풀 브릿지 토폴로지를 기반으로 한 새로운 단일 전력 단 역률개선 AC/DC 컨버터
New Single Stage Power Factor Correction AC/DC Converter based on Zero Voltage Switching Full Bridge Topology
초록
A new single stage power factor correction(PFC) AC/DC converter based on zero voltage switching(ZVS) full bridge topology is proposed. Since the series-connected two transformers act as both output inductor and main transformer by turns, the proposed converter has a wide ZVS range without additional devices for ZVS. Furthermore, since there is no need to use an output inductor, the proposed converter features high power density. The proposed converter gives the good power factor correction and low line current harmonics distortion. A mode analysis and experiment results are presented to verify the validity of the proposed converter.
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