A promising solution to improve tomorrow's all-electric ship onboard power system design and performance relies on moving from 50-Hz or 60-Hz AC distribution to a Medium-Voltage DC (MVDC) grid. This paper provides a review of presently-available and under-development technologies for electric generators to be used in perspective MVDC shipboard systems. The inspiring reason for the survey lies in the fact that an MVDC grid design removes the constraints usually imposed on shipboard generation group design and opens the way for a wide variety of non-conventional machine alternatives. In combination of high-speed gas turbines, that can be employed as prime movers, several electric machine topologies, not yet used for ship applications, can be selected to feed MVDC onboard systems. Along with a review of possible generator types suitable for such use, the paper critically reviews some emerging technologies for their fault-tolerance enhancement through conventional and innovative split-phase architectures.


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    Title :

    Electric generation technologies for all-electric ships with Medium-Voltage DC power distribution systems


    Contributors:
    Tessarolo, A. (author) / Castellan, S. (author) / Menis, R. (author) / Sulligoi, G. (author)


    Publication date :

    2013-04-01


    Size :

    1062054 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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