Design of an emi output filter for frequency converters

Anne Roc'h, Hans Bergsma, Frank Leferink, Dongsheng Zhao, Henk Polinder, Braham Ferreira

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    Abstract

    A filter has been designed to reduce conducted and radiated emission generated by a frequency converter. The frequency converter, cables and motor were modelled in order to make a good estimation of the radiated emission. A single stage output filter was designed making use of feedthrough apacitors and a nano-crystalline iron particles common mode choke. This choke has a high saturation level, comparable to a conventional iron inductor, and a high permeability, compared to conventional ferrite, i.e. combining the best of both materials. Measurements have shown that such a filter is very effective.
    Original languageEnglish
    Title of host publicationEMC Europe 2006 Barcelona
    Subtitle of host publication[International Symposium on Electromagnetic Compatibility ; September 4-8, 2006, Barcelona, Spain
    EditorsFerran Silva Martínez
    Place of PublicationBarcelona
    PublisherUniversitat Politècnica de Catalunya
    Pages123-127
    Number of pages15
    Volume2
    ISBN (Print)788468994420
    Publication statusPublished - 6 Sep 2006
    EventEMC Europe 2006: International Symposium on Electromagnetic Compatibility - Barcelona, Spain
    Duration: 4 Sep 20068 Sep 2006
    Conference number: 7

    Conference

    ConferenceEMC Europe 2006
    Abbreviated titleEMC Europe 2006
    CountrySpain
    CityBarcelona
    Period4/09/068/09/06
    Other4-8 sept 2006

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