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PFC converters are widely used in industrial drive systems. The modulation scheme and the topology of the converter have a considerable impact not only on the switching losses, but also on the volume of the passive components, i.e. the EMI filter (CM and DM) and the dC link capacitors. In order to evaluate this impact, different modulation schemes for 2L and 3L topologies are analysed in this paper...
Packages of power semiconductors have considerable influence regarding the thermal impedance, the parasitic inductance, which affects the switching losses, and the reliability. In this paper, the performance of a phase leg of a PFC rectifier with PCB embedded power semiconductors is investigated. The mechanical stress in the PCB is analyzed by a FEM simulation and PCB design guidelines are given....
For the AC-DC conversion in drive systems, Power Factor Correction (PFC) converters are widely used as they can ensure a high power factor. The EMI filters that are needed for meeting grid regulations have a considerable impact on the total converter volume. In this paper, a method to optimize an EMI filter stage of a PFC converter with respect to volume, is investigated. It includes the optimal choice...
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