Effect of Shielding and Component Placement in DM EMI Filters on a Power Supply’s Conducted EMI

Proceedings of the 20th European Conference on Power Electronics and Applications 2018
Deniss Stepins, Aivis Ašmanis, Gundars Ašmanis, Leonīds Ribickis, Jānis Audze

This paper considers the effect of copper shields placed between differential-mode CLC filter components and the effect of the component placement on conducted electromagnetic interference of a switch-mode power supply. The study is based on comparative measurements of a power supply conducted electromagnetic interference for different configurations of the differential-mode filter. It is shown that using printed circuit board with two metal layers and shields can improve electromagnetic interference attenuation introduced by the filter.

Keywords
filter, electromagnetic interference, power supply, shield
Hyperlink
https://ieeexplore.ieee.org/document/8515526

Stepins, D., Ašmanis, A., Ašmanis, G., Ribickis, L., Audze, J. Effect of Shielding and Component Placement in DM EMI Filters on a Power Supply’s Conducted EMI. In: Proceedings of the 20th European Conference on Power Electronics and Applications, Latvia, Riga, 17-21 September, 2018. Piscataway: IEEE, 2018, pp.P.1-P.5. e-ISBN 978-9-0758-1528-3.

Publication language
English (en)