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Simplified input current waveshaping technique by using inductor voltage sensing for high power factor isolated Sepic, Cuk and flyback rectifiers

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2 Author(s)
Tanitteerapan, T. ; Dept. of Electr. & Electron. Eng., Nippon Inst. of Technol., Saitama, Japan ; Mori, S.

This paper, a new simple current waveshaping technique in CCM by using inductor voltage sensing for high power factor rectifier based on isolated Sepic, Cuk, and flyback converters is introduced and experimented. The duty ratio is obtained by comparing an integral signal of the rectified inductor voltage and a negative ramp carrier waveform. Using the proposed control technique, input voltage sensing, error amplifier in the current feedback loop, analog multiplier/divider, and current sensing are not required

Published in:

Applied Power Electronics Conference and Exposition, 2002. APEC 2002. Seventeenth Annual IEEE  (Volume:2 )

Date of Conference:

2002