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Architecture & Urban Research Institute

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전력전자학회|논문지 2021년 6월

논문명 직렬 입력 병렬 출력 연결된 LLC 컨버터를 갖는 비엔나 정류기의 DC 링크 전압 평형 제어에 관한 연구 / A Study on the Affected of DC-Link Voltage Balance Control of the Vienna Rectifier Linked With the Input Series Output Parallel LLC Converter
저자명 백승우 ; 김학원 ; 조관열
발행사 전력전자학회
수록사항 전력전자학회 논문지, Vol.26 No.3 (2021-06)
페이지 시작페이지(205) 총페이지(9)
ISSN 1229-2214
주제분류 환경및설비
주제어 ; LLC converter; ISOP (Input Series Output Parallel); Unbalance control; Three-level rectifier; Resonant converter
요약2 Due to the advantage of reducing the voltage applied to the switch semiconductor, the input series and output parallel combination is widely used in systems with high input voltage and large output current. On the other hand, the LLC converter is widely used as a high-efficiency power converter, and when connected by ISOP combination, there is a possibility that input voltage imbalance may occur due to a mismatch of passive devices. To avoid damaging the switching device, this study analyzed the DC-link voltage imbalance of a high-capacity supply using an ISOP LLC converter. In addition, the case where DC-link unbalance control was applied and the case not applied was analyzed respectively. Based on this analysis, an initial start-up algorithm was proposed to prevent input power semiconductor device damage due to DC-link over-voltage. The effectiveness of the proposed algorithm has been verified through simulations and experiments.
소장처 전력전자학회
언어 한국어
DOI 10.6113/TKPE.2021.26.3.205