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Kim, Katherine A.
Power Electronics for Advanced Renewable Systems Lab
Research Interests
  • power electronics, DC-DC converter control, converter simulation, photovoltaic modeling, differential power processing converters, energy harvesting, power for wearable applications

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High-Efficiency Isolated Photovoltaic Microinverter Using Wide-Band Gap Switches for Standalone and Grid-Tied Applications

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Title
High-Efficiency Isolated Photovoltaic Microinverter Using Wide-Band Gap Switches for Standalone and Grid-Tied Applications
Author
Liu, Yu-ChenChen, Ming-ChengYang, Chun-YuKim, Katherine A.Chiu, Huang-Jen
Keywords
photovoltaic; microinverter; grid-tied inverter; wide-band gap switches; high switching frequency; high power density; photovoltaic applications; power electronics; solar energy
Issue Date
201803
Publisher
MDPI AG
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.
URI
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DOI
http://dx.doi.org/10.3390/en11030569
ISSN
1996-1073
Appears in Collections:
ECE_Journal Papers
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