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In this paper, a comprehensive efficiency evaluation of several single-phase bridgeless Power Factor Correction (PFC) boost rectifier topologies is conducted. Both two-level and three-level bridgeless PFC boost rectifier topologies are considered; including paralleled and interleaved variants of each. To improve efficiency, a three-level bridgeless PFC boost rectifier with an AC switch is proposed...
This paper presents the modularized design and analysis of a phase-leg module based on the Power Electronics Building Block (PEBB) concept, which aims at generalizing the phase-leg as a subsystem for various converter topologies through smart control schemes. The recently commercialized 1200 V SiC MOSFETs and SiC Schottky diodes from Cree are used as the main switches of the phase-leg, in order to...
The widespread use of renewable energy resources brings forth a requirement for high-power, high-efficiency, high-control-bandwidth grid-tied converters. This paper proposes a three-level active neutral-point-clamped zero-current-transition (3L-ANPC ZCT) converter for the sustainable energy power conversion systems. The proposed multilevel soft-switching topology can effectively increase efficiency...
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