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Kim, Katherine A.
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High-Efficiency Isolated Photovoltaic Microinverter Using Wide-Band Gap Switches for Standalone and Grid-Tied Applications

Author(s)
Liu, Yu-ChenChen, Ming-ChengYang, Chun-YuKim, Katherine A.Chiu, Huang-Jen
Issued Date
2018-03
DOI
10.3390/en11030569
URI
https://scholarworks.unist.ac.kr/handle/201301/23866
Fulltext
http://www.mdpi.com/1996-1073/11/3/569
Citation
ENERGIES, v.11, no.3, pp.569
Abstract
An isolated photovoltaic micro-inverter for standalone and grid-tied applications is designed and implemented to achieve high efficiency. System configuration and design considerations, including the proposed active-clamp forward-flyback resonant converter for the DC-DC stage and a dual-frequency full-bridge inverter for the DC-AC stage, are analyzed and discussed. A prototype microinverter system is built and tested. Experimental results verify the feasibility of the proposed system, which achieves 95% power conversion efficiency at full load.
Publisher
MDPI AG
ISSN
1996-1073
Keyword (Author)
photovoltaicmicroinvertergrid-tied inverterwide-band gap switcheshigh switching frequencyhigh power densityphotovoltaic applicationspower electronicssolar energy
Keyword
POWER POINT TRACKINGELECTRONIC CONVERTERSPV-GENERATORINPUT SOURCESYSTEMSCAPACITORSINVERTERDESIGNMPPT

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