Design and performance of dynamic fault current limiter (DFCL) operating at ambient temperature are presented. Fault levels limit several design innovations in an electric ship. DFCL would reduce these limitations. DFCL has incremental impedance due to incremental permeability in the electromagnetic circuit of the device. DFCL limits currents for first peak and also subsequent rms value of a short circuit. Electro-dynamic stresses due to peak current, and thermal stresses due to rms current, are limited to safe values for the network. After protective devices operate and the short circuit is isolated, current through DFCL reduces and DFCL instantaneously and automatically resets to low impedance. Variable impedance of DFCL ensures that even for a high impedance fault, fault hanging is avoided. DFCL can thermally withstand three short circuits of three seconds duration, coming in quick succession. DFCL have been fully tested and are operational in the field, with actual fault data recorded.


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    Titel :

    Ambient-temperature fault current limiter for electric ship power systems


    Beteiligte:
    Deo, P R (Autor:in) / Shah, T P (Autor:in) / Chong, R (Autor:in)


    Erscheinungsdatum :

    01.04.2011


    Format / Umfang :

    2217909 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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