A Digital Predictive Peak Current Control for Power Factor Correction With Low-Input Current Distortion

A digital predictive peak current control (PPCC) employing the adaptive slope compensation is proposed in this paper. The PPCC precisely predicts the peak current reference with the adaptive slope compensation according to operation regions and load conditions. Thereby, the PPCC can control the peak inductor current, and it significantly reduces the total harmonic distortion compared to that of the conventional digital average current control with duty ratio feed-forward which is widely used. In addition, parts of the PPCC are implemented by utilizing the internal high-resolution ramp generator and comparator of a digital signal processor without external components. The principle and analysis of the PPCC are presented, and the performance and feasibility are verified by experimental results with universal input (90 V-rms similar to 260 V-rms) and 750 W - 400 V output laboratory prototype.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2016-01
Language
English
Keywords

BOOST PFC CONVERTERS; CONDUCTION MODE; DCM; EFFICIENCY; CCM

Citation

IEEE TRANSACTIONS ON POWER ELECTRONICS, v.31, no.1, pp.900 - 912

ISSN
0885-8993
DOI
10.1109/TPEL.2015.2417194
URI
http://hdl.handle.net/10203/205103
Appears in Collection
EE-Journal Papers(저널논문)
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