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A new single-phase single-stage three-level power factor correction ac-dc converter

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2 Author(s)
Mehdi Narimani ; Department of Electrical and Computer Engineering, University of Western Ontario, London, Ontario, Canada ; Gerry Moschopoulos

In this paper a three-level single-stage power-factor-corrected ac/dc converter is presented. The proposed circuit integrates the operation of the boost power factor correction and the three-level dc/dc converter, and mitigates the drawbacks found in previously proposed two-level single-stage voltage-fed converters. In the paper, the operation of the new converter is explained in detail, its steady-state characteristics are discussed, and its feasibility is confirmed with experimental results obtained from a prototype converter.

Published in:

Applied Power Electronics Conference and Exposition (APEC), 2011 Twenty-Sixth Annual IEEE

Date of Conference:

6-11 March 2011