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The input impedance of common mode and differential mode noise separators
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.ORCID iD: 0000-0002-1755-1365
2013 (English)In: 2013 IEEE Energy Conversion Congress and Exposition, ECCE 2013, 2013, 1688-1695 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper discusses the Δ-networks and other circuits designed to separate the conducted electromagnetic interference (EMI) into its common mode (CM) and differential mode (DM) components. The input impedances of CM/DM separators must be 50 Ω resistive in the measurement frequency band and they must be independent of the values of the noise signals and noise source impedances. The conditions for achieving such input impedances are derived. It is shown that many of the proposed separators, including the Δ-network suggested in the CISPR 16 standard, do not fulfill the input impedance requirement. This leads to unreliable CM and DM measurements, and consequently, to EMI filter oversizing and design by trial-and-error.

Place, publisher, year, edition, pages
2013. 1688-1695 p.
Series
2013 IEEE Energy Conversion Congress and Exposition, ECCE 2013
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electrical Engineering; SRA - Energy
Identifiers
URN: urn:nbn:se:kth:diva-139110DOI: 10.1109/ECCE.2013.6646910ISI: 000345216901139Scopus ID: 2-s2.0-84891061628ISBN: 9781479903351 (print)OAI: oai:DiVA.org:kth-139110DiVA: diva2:687730
Conference
5th Annual IEEE Energy Conversion Congress and Exhibition, ECCE 2013; Denver, CO, United States, 15-19 September 2013
Funder
StandUp
Note

QC 20140115

Available from: 2014-01-15 Created: 2014-01-07 Last updated: 2016-02-26Bibliographically approved

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Nee, Hans-Peter

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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