IEEJ Transactions on Industry Applications
Online ISSN : 1348-8163
Print ISSN : 0913-6339
ISSN-L : 0913-6339
Paper
Effect of DC-link Capacitor on EMI Characteristics of Large-Current SiC Power Module
Takaaki IbuchiTsuyoshi Funaki
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2024 Volume 144 Issue 12 Pages 835-845

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Abstract

This paper studies electromagnetic interference (EMI) noise mitigation for large-current SiC power modules with integrated DC-link capacitors. Symmetrically-placed DC-link capacitors in a power module most effectively reduce conducted-EMI in the MHz-band. The challenge is to reduce the several hundred kHz band differential-mode noises caused by the parallel connection of the smoothing- and DC-link capacitors.

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© 2024 by the Institute of Electrical Engineers of Japan
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