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논문 기본 정보

자료유형
학술대회자료
저자정보
Chandrima Chatterjee (Indian Institute of Technology Delhi) Shova Neupane (University of Southern Denmark) Soumya Shubhra Nag (Indian Institute of Technology Delhi) Anandarup Das (Indian Institute of Technology Delhi) William Greenbank (University of Southern Denmark) Luciana Tavares (University of Southern Denmark) Thomas Ebel (University of Southern Denmark)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2023-ECCE Asia
발행연도
2023.5
수록면
1,609 - 1,614 (6page)

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초록· 키워드

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This paper proposes a grid-tied isolated low-voltage battery charging system. The ac-dc conversion stage is line frequency switched with ZVS capability and reduced grid filter requirement. The rectification is done by a three-level T-type neutral point clamped converter followed by a balancer circuit for power-factor correction. The dc-dc stage is a phase-shifted full-bridge converter which ensures high-frequency galvanic isolation. The rectification is done in such a way that pulsed dc voltage is obtained at the output of the T-type converter that reduces dc link capacitor requirement significantly. A new high-voltage polymer aluminium electrolytic capacitor technology has been proposed instead of conventional metalized film capacitors which leads to a more compact design. The switches in the ac-dc stage and dc-dc stage undergo zero-voltage-switching which improves the system efficiency. The control strategy of different stages and the simulation results for a 2 kW system is discussed here.

목차

Abstract
I. INTRODUCTION
II. SYSTEM ARCHITECTURE
III. CONTROL STRATEGY OF THE THREE STAGE AC-DC CONVERTER
IV. DESIGN METHODOLOGY
V. SIMULATION RESULTS
VI. EXPERIMENTAL RESULTS OF THE SOLID ELECTROLYTE CAPACITORS
VI. CONCLUSION
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