Evaluation of active common mode filter utilization for size optimization of a 20 kW power factor correction

Mohammad Najjar, Alireza Kouchaki, Morten Nymand

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

This paper presents active filtering of common mode (CM) noise for size reduction of an electromagnetic interference (EMI) filter used in a high frequency 20 kW three-phase power factor correction (PFC). Increasing the switching frequency helps reducing the size of reactive components; however, higher switching frequency leads to higher amplitude of harmonics in the EMI range (>150kHz). Adding an auxiliary winding to the CM inductor is studied in depth to achieve active CM filtering which shows more attenuation of the CM current, and consequently size reduction of the EMI filter. Furthermore, in this paper, CM noise is generalized by introducing the parasitic capacitors of the converter into the modeling. The model is verified by a 20 kW three-phase PFC experimental setup. Finally, the efficiency and effectiveness of the designed active CM filter is verified by a comprehensive simulation.

Original languageEnglish
Title of host publicationProceedings - 2019 IEEE 13th International Conference on Compatibility, Power Electronics and Power Engineering, CPE-POWERENG 2019
Number of pages5
PublisherIEEE
Publication date10. Oct 2019
Article number8862362
ISBN (Print)9781728132037
ISBN (Electronic)9781728132020
DOIs
Publication statusPublished - 10. Oct 2019
Event13th IEEE International Conference on Compatibility, Power Electronics and Power Engineering, CPE-POWERENG 2019 - University of Southern Denmark, Sønderborg, Denmark
Duration: 23. Apr 201925. Apr 2019
http://www.cpe-powereng.gov

Conference

Conference13th IEEE International Conference on Compatibility, Power Electronics and Power Engineering, CPE-POWERENG 2019
LocationUniversity of Southern Denmark
Country/TerritoryDenmark
CitySønderborg
Period23/04/201925/04/2019
SponsorIEEE Industrial Electronics Society, The Institute of Electrical and Electronics Engineers (IEEE), University of Southern Denmark
Internet address

Keywords

  • Active common mode filter
  • EMI
  • Filter
  • Power Factor Correction

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