An influence of parasitic parameters on electromagnetic disturbance emission in voltage converters
DOI:
https://doi.org/10.3103/S0735272711120065Keywords:
electromagnetic compatibility, EMC, electromagnetic interferences, EMI, power converters, switch mode power supply, SPMS, buck converter, boost converter, polar-inverting converter, flyback converter, 2-transistor forward converterAbstract
In this paper it is estimated an influence of parasitic parameters of elements in converters of different topologies on a spectral components of conducted electromagnetic interference. Scalability of obtained results allows to estimate expected levels of electromagnetic interferences (EMI) from considered converters types, and hence, develop more efficient interference-suppression filters (ISF) for switching-type power supplies (STPS) with less development cost. Results are obtained for frequency band of 0–30 MHz.
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