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Analytical models synthesis of power electronic converters

Ales A., Cheurfi-Belhadj M. A., Schanen J. L., Moussaoui D., Roudet J.

Transactions on Environment and Electrical Engineering

2017

Vol. 2, No. 1

52--59

In this paper we proposes a synthesis of different mathematical models of power electronic converters based on Thevenin/Norton equivalent circuits. Those models, composed by impedances and harmonic noise sources, are helpful to predict the conducted ElectroMagnetic Interferences (EMI) generated by converters connected to the electrical network. Moreover, the extracted impedances are determining for sizing EMC filters. The proposed analytical model is tested with PSpice simulations and validated by experimental measurements, from DC frequency until 30MHz.

Analysis and simulation of the basic structures of active EMI filters

Pasko M., Szymczak M.

Computer Applications in Electrical Engineering

2015

Vol. 13

88--101

The main goals of this paper are an analysis and a simulation of selected basic structures of active EMI filters. The first part contains a presentation of selected structures of active filters, along with categorization by their properties in the field of detection and compensation of EMI noise and by the kind of feedback. Each structure's description is accompanied by an analytical discussion of their properties such as insertion loss (IL) and the impedance increase (ΔZ>sub>n). The second part contains results of simulations of the presented structures, with the aim being a comparison of their characteristics and determining proper operation conditions.