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논문 기본 정보

자료유형
학술대회자료
저자정보
Fei Zhang (Southwest Jiaotong University) Jianping Xu (Southwest Jiaotong University) Ping Yang (Southwest Jiaotong University) Zhangyong Chen (Southwest Jiaotong University)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2011-ECCE Asia
발행연도
2011.5
수록면
205 - 209 (5page)

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초록· 키워드

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A novel single-phase two-switch pseudo-continuous conduction mode (PCCM) buck-boost PFC converter and its corresponding control strategy are proposed in this paper. The two-switch PCCM buck-boost topology provides an additional degree of control freedom to realize PFC control, which can offer significant performance improvements over single-switch buck-boost converters or two-switch buck-boost converters in continuous conduction mode (CCM) and discontinuous conduction mode (DCM). A simple and fast voltage control loop can be designed to realize output voltage regulation. The additional degree of control freedom introduced by inductor current freewheeling operation helps to achieve unity power factor control. Analysis and simulation results of PCCM buck-boost PFC converter have been presented. The experiment results show that the dynamic response of the PCCM buck-boost PFC converter is significantly faster than the CCM and DCM buck-boost PFC converter.

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Abstract
Ⅰ. INTRODUCTION
Ⅱ. TWO-SWITCH PCCM BUCK-BOOST PFC CONVERTER
Ⅲ. OPERATION OF THE TWO-SWITCH PCCM BUCK-BOOST PFC CONVERTER
Ⅳ. SIMULATION AND EXPERIMENT RESULTS DISCUSSIONS
Ⅴ. CONCLUSION
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