The power of various multimegawatt (MMW) vehicles required for deep space missions such asthe Mars Missions in the stipulated time frame of years 2000-2015 ranges from 5 to 100 MWe. Thispaper summarizes an evaluation of high-power processing units (PPUs) for MMW solar electricpropulsion (SEP) vehicles using advanced magnetoplasma- dynamic (MPD) thrusters. Each PPUprovides DC-DC conversion and voltage matching between the phovoltaic power system and the MPDthrusters. The power system consists of DC-DC converter using MCTs. The PPUs are thencombined with contractors to provide PPU input and output isolation, and to allow switching betweenoperating and spare (redundant) PPUs and thrusters as needed. Based on analyses, it is found thatsignificant economies of scale are possible for PPUs that supply power to MPD thrusters operating at0.1 to 5 MWe per thruster.


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    Title :

    Power Processing Units for High Powered Solar Electric Propulsion Using MPD Thrusters


    Contributors:
    Frisbee, R. H. (author) / Das, R. (author) / Krauthamer, S. (author)

    Publication date :

    1993-01-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English



    Power Processing Units for High Power Solar Electric Propulsion

    Das, Radhe S. L. / Frisbee, Robert H. / Krauthamer, Stanley | SAE Technical Papers | 1992



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