JIEIE - Journal of the Korean Institute of Illuminating and Electrical Installation Engineers

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Journal of the Korean Institute of Illuminating and Electrical Installation Engineers

ISO Journal TitleJ Korean Inst. IIIum. Electr. Install. Eng.

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Title	Current THD Improvement of Valley-Fill Rectifier
Authors	Nam-Yerl Choi ; Chi-Hwan Lee
Page	pp.87-94
ISSN	1225-1135
Keywords	Valley-Fill RECTIFIER ; THD ; PFC
Abstract	A method for improving current THD of Valley-fill rectifier is proposed in this paper. The proposed topology combines a boosting inductor with Valley-fill rectifier which carry out AC/DC conversion and PFC simultaneously. The boosting effect by PWM switching makes low THD current and improve of Valley-fill rectifier. The operation modes and THD of input current are analyzed as applied the boosting inductor, and the optimum value of boosting inductor is determined A 100[W] single-stage converter has been designed and tested. Experimental results are presented to verify the validity of the proposed method.

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