Abstract
The increase in electricity consumption makes the electrical efficiency of the systems more important day by day. This situation necessitated the search for high efficiency in Power Factor Correction (PFC) converters, which offer solutions to power quality problems caused by rectifiers. In this study, Bridgeless Boost PFC Converters with high efficiency advantage are examined. The advantages and disadvantages of these converters are presented. Dual-Boost Bridgeless PFC Converter (D-BBPFC), which is a type of bridgeless converters, is introduce and converter is simulated in the PSIM environment. The obtained total harmonic distortion of input current (Iin(THD)), power factor and efficiency values are compared with the Conventional Boost PFC Converter (CBPFC), which is designed in our previous studies with the same parameters. By operating the Dual-Boost Bridgeless PFC Converter at different power levels, the change of power factor and total harmonic distortion is presented in graphic form. For a more detailed efficiency analysis, the converters are rerun by using MOSFETs which have different ON-resistances. As a result, the efficiency advantage of Bridgeless Boost PFC Converters is proven. In addition, the importance of MOSFETs with low ON-resistance such as SiC has been understood for these converters.
Published Version
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