TKPE - The Transactions of The Korean Institute of Power Electronics

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Title	Highly Efficient MOSFET Inverter for Single-Phase Grid-Connected Photovoltaic Power Generation Systems
Authors	Hyung-Min Ryu
DOI	10.6113/TKPE/2014.19.3.227
Page	pp.227-232
ISSN	1229-2214
Keywords	highly efficient; inverter; MOSFET; photovoltaic; smart pre switching(SPS)
Abstract	A highly efficient MOSFET inverter for single-phase grid-connected photovoltaic power generation systems is presented in this paper. It is a full-MOSFET version of the conventional transformerless full-bridge inverter with dual L-C filters using unipolar PWM. The key idea lies on smart pre switching(SPS), which can make the large switching loss due to a poor reverse recovery of the MOSFET's body diode reduced dramatically. The validity of the proposed inverter is verified by experiment.