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Architecture & Urban Research Institute

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전력전자학회|논문지 2019년 10월

논문명 PV 시스템의 차동 전력 조절기 모듈용 양방향 플라이백 컨버터 설계 방법 / Bidirectional Flyback Converter Design Methodology for Differential Power Processing Modules in PV Applications
저자명 박승빈 ; 김민아 ; 정회정 ; 김태원 ; 김예린 ; 정지훈
발행사 전력전자학회
수록사항 전력전자학회 논문지, Vol.24 No.5 (2019-10)
페이지 시작페이지(379) 총페이지(9)
ISSN 1229-2214
주제분류 환경및설비
주제어 ; DPP(Differential Power Processing); Bidirectional converter; Photovoltaic; Flyback converter
요약2 A bidirectional flyback converter is a suitable topology for use in a PV-to-bus differential power processing (DPP) module for PV applications due to its electrical isolation capability, bidirectional power transfer, high step-up ratio, and simple circuit structure. However, the bidirectional flyback converter design should consider the effect of the output-side power switch utilized for bidirectional operation compared with that of the conventional flyback converter. This study presents the structure and design methodology of the bidirectional flyback converter for a PV DPP module. Magnetizing inductance is designed by calculating the power loss of converter components within the rated load range under the discontinuous conduction mode, which is unaffected by the reverse recovery characteristics of the anti-parallel diode of the output-side power switch. The validity of the proposed design methodology is verified using a 25 W bidirectional flyback converter prototype. The operational principles and the performance of the DPP operation are verified using practical DPP modules consisting of bidirectional flyback converters implemented according to the proposed design methodology.
소장처 전력전자학회
언어 한국어