The U.S. Navy is currently investigating the implementation of a DC Zonal Electric Distribution System (DC ZEDS) as a component of an Integrated Power System (IPS) for the next generation of surface combatant. In replacing the current ac radial distribution system, significant gains can be realized in terms of survivability, weight, manning and cost. DC ZEDS is predicated on having starboard and port dc busses feeding electrical zones delineated by watertight bulkhead compartments. The main bus dc voltage is stepped down within the zone and then converted to three-phase ac and lower voltage dc by additional power converters. Due to the large interconnection of tightly-regulated power converters in a stiffly-connected system, negative input impedance effects create the possibility of unwanted resonances. In this paper, the authors describe the rationale for the dc zonal system, characterize the key components, and highlight the stability issues.


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    Titel :

    Technology overview for a proposed navy surface combatant DC zonal electric distribution system


    Beteiligte:
    Ciezki, J.G. (Autor:in) / Ashton, R.W. (Autor:in)


    Erscheinungsdatum :

    1999


    Format / Umfang :

    11 Seiten, 38 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch