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논문 기본 정보

자료유형
학술대회자료
저자정보
Wenmin Hua (Nanjing University of Aeronautics and Astronautics) Hongfei Wu (Nanjing University of Aeronautics and Astronautics) Zhiyuan Yu (Nanjing University of Aeronautics and Astronautics) Yan Xing (Nanjing University of Aeronautics and Astronautics) Kai Sun (Tsinghua University)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2019-ECCE Asia
발행연도
2019.5
수록면
1,717 - 1,722 (6page)

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A novel phase-shift modulation strategy is applied to a bidirectional CLLC resonant converter (RC). Different from the well-known pulse-frequency modulation strategy, the switching frequency of the CLLC RC is constant, which is beneficial for optimal design and control of the converter. Theoretical analysis proves that voltage gain is independent on load and resonant tank. As a result, topology is optimized with ensuring symmetry of converter. Simulation model is built in Simulink and a 1kW prototype is made. Simulation and experimental results verify the voltage transfer ratio. Dynamic response with load stepping up and down is stable and rapid. In addition, soft-switching of all the power switches can be achieved to reduce switching losses and improve efficiency. Detailed operation principles and characteristics of the modulation strategy are analyzed and verified with experimental results.

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Abstract
I. INTRODUCTION
II. MODULATION STRATEGY AND THEORETICAL ANALYSIS
III. PARAMETER DESIGN AND TOPOLOGY OPTIMIZATION
IV. SIMULATION AND EXPERIMENTAL RESULTS
V. CONCLUSIONS
REFERENCES

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