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On coupling with EMI capacitors

: Weber, S.-P.; Hoene, E.; Guttowski, S.; John, W.; Reichl, H.


IEEE Electromagnetic Compatibility Society:
International Symposium on Electromagnetic Compatibility, EMC 2004. Vol.1 : 09 August - 13, 2004, Silicon Valley, Santa Clara, California; symposium record
Piscataway, NJ: IEEE Operations Center, 2004
ISBN: 0-7803-8443-1
ISBN: 0-7803-8444-X
International Symposium on Electromagnetic Compatibility (EMC) <2004, Santa Clara/Calif.>
Conference Paper
Fraunhofer IZM ()
power electronics; capacitor; inductive coupling; capacitive coupling

So far, methodical design of EMI filters for power electronic applications fails, because coupling among the filters' components is not predicted accurately. A method of calculating coupling with EMI capacitors is presented. The method is verified by experimental results. The presented results prove the possibility of simulating field coupling in circuits including the circuit's components. In particular, when miniaturizing power electronic devices, the calculated coupling among conductors and components must be taken into account to ensure EMC at the system level.