Novel Single-Stage Power Factor Correction AC/DC Converter with Low DC Link Voltage using New Magnetic Feedback Technique

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A novel single-stage power factor correction AC/DC converter with low DC link voltage using new magnetic feedback technique is proposed in this paper. The proposed converter has high power factor, tight output regulation and low link capacitor voltage less than 450V through all the load range for the universal input line. This converter has no dead-zone in input current, which is seen in the conventional converter using previous magnetic feedback technique. In this paper, analysis of operations and features of the proposed converter are presented, and the experimental results of 90W prototype are illustrated to verify low link capacitor voltage less than 450V, high power factor and the low harmonic distortion satisfied with EN 61000-3-2-Class D.
Issue Date

ICPE2004, pp.477 - 480

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EE-Conference Papers(학술회의논문)
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