Towards a first time right design of the common mode choke

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    Abstract

    There is a need for an analytical model of the EMI filter relating its designable parameters to its final performances in the circuit. The final goal of the model presented here is to support a first time right design of the common mode choke. A new equivalent circuit of the component is proposed where impedances are related to the designable parameters of the choke. This equivalent circuit is inserted in a global model of the output of the converter where the actual performances of the choke can be evaluated via a modification factor of the common mode current. All models introduced are validated with measurements. Sensitivities and deviation studies give additional insight on the behavior of the filter once it is placed in the practical system. The new common mode current flowing in the circuit after the insertion of the choke can then be evaluated without a ‘cut and try’ process.
    Original languageUndefined
    Title of host publicationXXXth URSI General Assembly and Scientific Symposium, 2011
    Place of PublicationUSA
    PublisherIEEE Electromagnetic Compatibility Society
    Pages1-4
    Number of pages4
    ISBN (Print)978-1-4244-5118-0
    DOIs
    Publication statusPublished - 15 Aug 2011
    EventXXX URSI General Assembly and Scientific Symposium 2011 - Lfitfi Klrdar Convention and Exhibition Centre, Istanbul, Turkey
    Duration: 13 Aug 201120 Aug 2011
    Conference number: 30

    Publication series

    Name
    PublisherIEEE Electromagnetic Compatibility Society

    Conference

    ConferenceXXX URSI General Assembly and Scientific Symposium 2011
    CountryTurkey
    CityIstanbul
    Period13/08/1120/08/11

    Keywords

    • METIS-278821
    • EWI-20562
    • IR-78104

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