Mihaela-Codruta Ancuti, M. Svoboda, S. Musuroi, A. Hedeş, N. Olarescu
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Boost PFC converter versus bridgeless boost PFC converter EMI analysis
The main drawback related to the PFC converters is the increasing of the electromagnetic interference (EMI). Thus, the high frequency noise must be filter out in order to ensure compliance with EMI European standards (EN 1000-3-2 or EN 1000-3-4). The paper investigates two topologies: the conventional boost PFC converter and the bridgeless boost PFC converter. A proper filter is designed and its details are presented. Their evaluation is done in regards to electromagnetic compatibility (EMC) requirements, which is very important in the residential ambient (for the power range up to 4 kW). The FFT analysis, done in Matlab/Simulink is presented for comparison and it verifies the compliance of the selected topologies with the norms.
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