Journal
IEEE TRANSACTIONS ON POWER ELECTRONICS
Volume 30, Issue 8, Pages 4189-4198Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPEL.2014.2360173
Keywords
High gain; hybrid switched-capacitor converters; power factor correction (PFC); three-level; unidirectional
Categories
Funding
- CNPQ
- Federal University of Santa Catarina
- INEP
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This paper presents the derivation, the analysis, and the experimentation of a family of unidirectional three-level PFC rectifiers, based on pulse-width-modulated hybrid switched capacitor principle. The topologies feature reduced voltage stress across the switches, low number of switches, control of the output voltage, and high-voltage gain without the utilization of transformers. Experimental results for a laboratory prototype of 220 Vrms to 1600 Vdc voltages and nominal power of 2500 W are included in the paper, to validate the theoretical analysis, where the measured maximum efficiency reached 97.91%. The proposed converters are suitable for applications that require rectification with unity power factor and high-voltage gain.
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