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Interlink Three-Level Bidirectional DC-DC Converter with Asymmetrical Load Condition
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논문 기본 정보

Type
Proceeding
Author
Jun-young Lee (Ulsan National Institute of Science and Technology) Hyun-jun Choi (Ulsan National Institute of Science and Technology) Ju-young Sim (Ulsan National Institute of Science and Technology) Jee-hoon Jung (Ulsan National Institute of Science and Technology)
Journal
THE KOREAN INSTITUTE OF POWER ELECTRONICS ICPE(ISPE)논문집 ICPE 2019-ECCE Asia SCOPUS
Published
2019.5
Pages
1,147 - 1,152 (6page)

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Interlink Three-Level Bidirectional DC-DC Converter with Asymmetrical Load Condition
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Abstract· Keywords

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Due to dc based electric loads and renewable sources, the dc distribution system is an alternative future solution. Among the dc distribution systems, the bipolar dc type has higher performance and reliability than the unipolar one. To interlink two dc buses, an isolated bidirectional dc-dc converter is needed. A three-level dual-active-bridge dc-dc converter is proposed to interlink two bipolar dc buses. Between two dc buses, a galvanic isolation is provided by the high frequency transformer of the three-level dual-activebridge. Besides, an asymmetrical switching modulation is proposed to compensate asymmetrical load condition of the bipolar dc bus system. Finally, a 1-kW prototype is built to verify the proposed converter.
#Three-level dual-active-bridge dc-dc converter #bipolar dc distribution system

Contents

Abstract
I. INTRODUCTION
II. TOPOLOGY
III. PROPOSED ASYMMETRICAL SWITCHING MODULATION
IV. SIMULATION AND EXPERIMENTAL RESULTS
V. CONCLUSION
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