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논문 기본 정보

자료유형
학술대회자료
저자정보
Ubaid Ahmad (Kyungpook National University) Honnyong Cha (Kyungpook National University) Nabeel Naseem (Kyungpook National University) Duc-Tuan Do (Kyungpook National University)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2019-ECCE Asia
발행연도
2019.5
수록면
1,133 - 1,140 (8page)

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초록· 키워드

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Input-parallel output-parallel (IPOP) connected converter system allows the use of low power converter modules for high power applications. In this paper, a reliable integrated current balancing transformer (ICBT) is proposed for the current balancing requirement of IPOP LLC resonant converter modules. The proposed ICBT based IPOP LLC resonant converter modules ensures both input current sharing (ICS) and output current sharing (OCS) in constituent modules, without dedicated controller. The proposed ICBT is basically the resonant inductors of LLC resonant converter modules, coupled to perform the function of current balancing, and also have enough leakage inductance for resonance operation simultaneously. Moreover, the proposed ICBT can significantly reduce the overall magnetic volume, and increase the power density of IPOP LLC resonant converter modules. Magnetic and electrical models of the proposed ICBT have been presented in this paper. To validate the performance of the proposed ICBT based IPOP LLC resonant converter modules, a 2.5 kW hardware prototype has been designed, fabricated and tested successfully.

목차

Abstract
I. INTRODUCTION
II. IPOP SYSTEM BASED ON LLC RESONANT CONVERTER
III. PROPOSED ICBT BASED IPOP LLC RESONANT CONVERTER MODULES
IV. CURRENT SHARING PERFORMANCE OF THE PROPOSEDICBT
V. RELUCTANCE MODELS OF SEPARATE INDUCTORS AND OFTHE PROPOSED ICBT
VI. SIMULATION AND EXPERIMENTAL RESULTS
VII. CONCLUSION
REFERENCES

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