Analysis and design consideration of a unity power factor quasi-resonant rectifier

M. Tou, R. Chaffaï, K. Al-Haddad and V. Rajagopalan

Mathematics and Computers in Simulation (MATCOM), 1995, vol. 38, issue 4, 399-413

Abstract: Existing ac-dc low harmonic rectifiers are costly and require complex control schemes to minimize input current distortion. Introduced here is a new class of low cost ac-dc high power factor/low harmonic rectifiers. With active zero current resonant switch (Z.C.S) added to the diode bridge rectifier, the converter is capable of drawing a high quality input current waveform naturally at nearly unity power factor, without switching losses and current line transducers. Thus, a simple single phase or 3 phases ac-dc high power factor rectifier is obtained. Full theoretical analysis is done. Simulation and experimental results are given to demonstrate the validity of the concept.

Date: 1995
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:38:y:1995:i:4:p:399-413

DOI: 10.1016/0378-4754(94)00049-P

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