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Study of High Frequency Electromagnetic Disturbances Generated by a Rectifier and Chopper Association

Rezini S., Azzouz Z. E., Kouadri B.

Przegląd Elektrotechniczny

2013

R. 89, nr 7

8--12

This paper discusses the electromagnetic disturbances generated by a rectifier and a chopper association which is frequently encountered in power electronics. The paper presents the basic principles of electromagnetic interferences in power electronics and an EMC study of the considered device that is namely the rectifier and chopper association. The problems involved in temporal or frequential simulations are highlighted in this study. A comparison between our simulation results and experimental one's taken from literature is also presented in this paper. At the close of this study we recommended the use of EMC filtering to reduce the rectifier and chopper association disturbances at acceptable levels which are specified by EMC standards. The main conclusion of the paper is that this device is really electromagnetic pollutant and must then be taken into account, as a whole, in any study implying this kind of converters.

W artykule analizuję się zakłócenia elektromagnetyczne generowane przez układ prostownika i choppera. Wyniki symulacji porównano z wynikami eksperymentalnymi. Zaproponowano układ filtrowania zakłóceń.