Unexpected poor performance of presumed high-quality power line filter, and how it improved

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Abstract

A 20 A, 440 V three p hase power line filter for a radar transmitter, designed using the best components available and following the correct rules for filter design, showed unexpected poor common mode attenuation levels at frequencies above, already, a few megahertz. Component self-parasitic, as well as mutual component parasitic effects were not the main cause of the poor performance. A redesign using additional capacitors at the input, as well as improving the ground plane, resulted in improvement, but the dominant cause appeared to be the impedance between the ground plane and the reference plane.
Original languageEnglish
Title of host publicationJoint IEEE International Symposium on Electromagnetic Compatibility and EMC Europe
Place of PublicationUSA
PublisherIEEE Electromagnetic Compatibility Society
Pages382-385
Number of pages4
ISBN (Print)978-1-4799-6615-8
DOIs
Publication statusPublished - 20 Aug 2015
EventJoint IEEE International Symposium on Electromagnetic Compatibility and EMC Europe 2015 - Dresden, Germany
Duration: 16 Aug 201522 Aug 2015
http://conference.vde.com/emc2015/Pages/default.aspx

Conference

ConferenceJoint IEEE International Symposium on Electromagnetic Compatibility and EMC Europe 2015
Abbreviated titleEMC Europe
CountryGermany
CityDresden
Period16/08/1522/08/15
Internet address

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Cite this

Moonen, D. J. G., Buesink, F. J. K., & Leferink, F. B. J. (2015). Unexpected poor performance of presumed high-quality power line filter, and how it improved. In Joint IEEE International Symposium on Electromagnetic Compatibility and EMC Europe (pp. 382-385). USA: IEEE Electromagnetic Compatibility Society. https://doi.org/10.1109/ISEMC.2015.7256191