Mutual Couplings between EMI Filter Components

Proceedings of 2015 IEEE International Symposium on Electromagnetic Compatibility 2015
Gundars Ašmanis, Deniss Stepins, Aivis Ašmanis, Leonīds Ribickis

This paper deals with modeling of mutual couplings between passive EMI filter components: inductors and capacitors positioned on printed circuit board. 3D electromagnetic software CST MWS is used for the modeling. Three scenarios are considered: mutual couplings between two capacitors, mutual couplings between two inductors and mutual couplings between inductor and capacitor. Modeling results are verified experimentally using a vector network analyzer. Comparison of the measurement and modeling results shows that transfer coefficients and mutual inductance between two capacitors can be predicted accurately. However modeling of the mutual couplings between two inductors has the lowest accuracy.

Keywords
inductors; capacitors; mutual inductance; modelling; EMI filters
DOI
10.1109/ISEMC.2015.7256286
Hyperlink
http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7256286

Ašmanis, G., Stepins, D., Ašmanis, A., Ribickis, L. Mutual Couplings between EMI Filter Components. In: Proceedings of 2015 IEEE International Symposium on Electromagnetic Compatibility, Germany, Dresden, 16-22 August, 2015. Dresden: IEEE Electromagnetic Compatibility Society, 2015, pp.908-913. ISBN 978-1-4799-6615-8. Available from: doi:10.1109/ISEMC.2015.7256286

Publication language
English (en)