Comprehensive CM filter design to suppress conducted EMI for SiC-JFET motor drives

X Gong, I Josifovic, JA Ferreira

    Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

    18 Citations (Scopus)

    Abstract

    This paper proposes a comprehensive EMI common-mode (CM) filter design procedure to suppress conducted EMI in silicon carbide (SiC) JFETs based inverter-fed motor drive systems. The first part of this paper is focusing on analyzing the EMC issue arisen from the newly generated power semiconductor device - SiC JFET, where the switching dynamics of SiC JFET and Si IGBT with the same power flowing level are compared. Then the second part towards EMI suppression for the inverter prototype. A comprehensive EMI CM filter design procedure is proposed. The proposed CM equivalent circuit model is able to evaluate the filter insertion loss gains over the whole conducted EMI frequency range, thereby different filter topologies can be compared and optimally selected. The performed experiments form the guideline that exhibits the process how the generated conducted EMI from the built inverter prototype is successfully suppressed to comply with the IEC61800-3 standard step by step.
    Original languageEnglish
    Title of host publicationProceedings of the IEEE 8th International Conference on Power Electronics (ICPOE-ECCE Asia 2011)
    EditorsS-K Sul
    Place of PublicationPiscataway, NJ, USA
    PublisherIEEE Society
    Pages720-727
    Number of pages8
    ISBN (Print)978-1-61284-958-4
    DOIs
    Publication statusPublished - 2011
    Event8th IEEE ICPE & ECCE Asia 2011 - Jeju, Korea, Democratic People's Republic of
    Duration: 30 May 20113 Jun 2011

    Publication series

    Name
    PublisherIEEE

    Conference

    Conference8th IEEE ICPE & ECCE Asia 2011
    CountryKorea, Democratic People's Republic of
    CityJeju
    Period30/05/113/06/11

    Keywords

    • conference contrib. refereed
    • Conf.proc. > 3 pag

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