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논문 기본 정보

자료유형
학술저널
저자정보
Manyuan Ye (East China Jiaotong University) Pinggang Song (East China Jiaotong University) Song Li (East China Jiaotong University) Yunhuang Xiao (East China Jiaotong University)
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.18 No.4
발행연도
2018.7
수록면
965 - 974 (10page)

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초록· 키워드

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A new zero-voltage-switching (ZVS) push-pull pulse-width modulation (PWM) converter is proposed in this paper. The wide ZVS condition for all of the switches is obtained by utilizing the energy stored in the output inductor and magnetizing inductance. As a result, the switching losses can be dramatically reduced. A simple auxiliary circuit including two small diodes and one capacitor is added at the secondary side of a high frequency (HF) transformer to reset the primary current during the circulating stage and to clamp the voltage spike across the rectifier diodes, which enables the use of low-voltage and low-cost diodes to reduce the conducting and reverse recovery losses. In addition, there are no active devices or resistors in the auxiliary circuit, which can be realized easily. A detailed steady operation analysis, characteristics, design considerations, experimental results and a loss breakdown are presented for the proposed converter. A 500 W prototype has been constructed to verify the effectiveness of the proposed concept.

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Abstract
I. INTRODUCTION
II. CIRCUIT DESCRIPTION AND STEADY-STATE OPERATION
III. CHARACTERISTICS AND DESIGN CONSIDERATIONS
IV. EXPERIMENTAL RESULTS
V. CONCLUSIONS
REFERENCES

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