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Tomas A. Gonzalez
University of Buenos Aires
Control & Systems Engineering Electrical & Electronics Engineering

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Single-Switch Soft-Switched Boost Power Factor Corrector for Modular Applications Tomas A. Gonzalez; Daniel O. Mercuri; Hernan E. Tacca; Maximo E. Pupareli
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 7, No 2: June 2016
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1330.534 KB) | DOI: 10.11591/ijpeds.v7.i2.pp279-293

Abstract

Modern dc power supplies provide power factor correction but the classical two-stage approach, using hard-switched preregulators, has detrimental effects on efficiency and reliability, particularly for high power applications. With some circuit modifications and the addition of a few magnetic components, diodes and capacitors, we have turned a classical boost power factor corrector into a high efficiency soft-switched version. The proposed converter turns on its single switch with zero current and turns it off with zero voltage. In this paper we explain the proposed changes, we study the waveforms and equations and we verify them with an experimental prototype. We also show how the converter can be used for modular single- and three-phase high power applications.
Co-Authors Daniel O. Mercuri Hernan E. Tacca Maximo E. Pupareli