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논문 기본 정보

자료유형
학술저널
저자정보
Enhui Chu (Northeast University) Jianqun Bao (Northeast University) Qi Song (Northeast University) Yang Zhang (Northeast University) Haolin Xie (Northeast University) Zhifang Chen (Northeast University) Yue Zhou (Northeast University)
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.19 No.6
발행연도
2019.11
수록면
1,413 - 1,428 (16page)

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초록· 키워드

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In this paper, a novel zero-voltage and zero-current switching (ZVZCS) interleaved two switch forward converter is proposed. By using a coupled-inductor-type smoothing filter, a snubber capacitor, the parallel capacitance of the leading switches and the transformer parasitic inductance, the proposed converter can realize soft-switching for the main power switches. This converter can effectively reduce the primary circulating current loss by using the coupled inductor and the snubber capacitor. Furthermore, this converter can reduce the reverse recovery loss, parasitic ringing and transient voltage stress in the secondary rectifier diodes caused by the leakage inductors of the transformer and the coupled inductance. The operation principle and steady state characteristics of the converter are analyzed according to the equivalent circuits in different operation modes. The practical effectiveness of the proposed converter was is illustrated by simulation and experimental results via a 500W, 100 kHz prototype using the power MOSFET.

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Abstract
I. INTRODUCTION
II. CIRCUIT TOPOLOGY AND OPERATION PRINCIPLE
III. STEADY-STATE CHARACTERISTICS OF THE CONVERTER
IV. CONDITIONS TO ACHIEVE SOFT-SWITCHING
V. SIMULATION AND EXPERIMENTAL RESULTS
VI. CONCLUSION
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