This work reports a modeling methodology for the prediction of conducted emissions (CE) in a wide frequency range (up to 100 MHz), which are generated by dc/dc converters and propagate along the power buses of satellites. In particular, the dc/dc converter seen as a source of CE is represented by a behavioral model, whose parameters can be identified by two unit-level experimental procedures performed in controlled test setups. A simplified multiconductor transmission-line (MTL) model is developed to account for the propagation of CE in shielded bundles of twisted-wire pairs used as power cables. The whole power system is represented by the interconnection of the circuit models of dc/dc converters, cables, and Power Conditioning and Distribution Unit (PCDU). By solving the obtained network, frequency spectra of CE can be predicted. Experimental results are reported to substantiate the accuracy of the proposed unit-level dc/dc converter model and the MTL model of cables. Finally, a system-level test setup composed of three dc/dc converters connected to a PCDU is considered, and predicted CE are compared versus experimental measurements.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Prediction of Conducted Emissions in Satellite Power Buses


    Beteiligte:
    Giordano Spadacini (Autor:in) / Flavia Grassi (Autor:in) / Diego Bellan (Autor:in) / Sergio A. Pignari (Autor:in) / Filippo Marliani (Autor:in)


    Erscheinungsdatum :

    2015




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Unbekannt





    Emissions from Two Methanol-Powered Buses

    Hare, Charles T. / Ullman, Terry L. / Baines, Thomas M. | SAE Technical Papers | 1986



    Emissions from two methanol-powered buses

    Ullman,T.L. / Hare,C.T. / Baines,T.M. et al. | Kraftfahrwesen | 1986


    The Microsil & Minisil Small Satellite Buses

    Boland, L. | British Library Conference Proceedings | 1999