Novel three-phase CM/DM conducted emission separator

Marcelo Lobo Heldwein, Jürgen Biela, Hans Ertl, Thomas Nussbaumer, Johann W. Kolar

Research output: Contribution to journalArticlepeer-review

33 Scopus citations


This paper presents two novel three-phase common-mode (CM)/ differential-mode (DM) noise separation networks, which are passive and active networks, to be used in electromagnetic compatibility conducted emission (CE) measurements of three-phase equipment. The passive network is analyzed theoretically, and a prototype is constructed and tested. Its evaluation is presented through frequency response measurements and CE tests performed on a three-phase motor drive and verifies that the network is capable of separating the CM and DM information in a CE measurement condition.

Original languageEnglish
Pages (from-to)3693-3703
Number of pages11
JournalIEEE Transactions on Industrial Electronics
Issue number9
StatePublished - 2009
Externally publishedYes


  • Conducted emissions (CEs)
  • EMC test setup
  • Electromagnetic compatibility (EMC) measurements
  • Noise separator


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