An attempt is made to define the needs for future geosynchronous spacecraft power subsystem components, including power generation, energy storage, and power processing. Three projected models (a mission model, an orbit transfer vehicle model, and a mass model) for power subsystem components are used to define power requirements and mass limitations for future spacecraft. Based upon these models, the power subsystems for a 10-kW, 10-year-life, dedicated spacecraft and for a 20-kW, 20-year-life multimission platform are analyzed to establish power density requirements for orbit transfer vehicles. Comparison of these requirements to state-of-the-art (Intelsat 5) design values shows that major improvements, by a factor of 2 or more, are needed to accomplish the near term missions.


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    Title :

    Synchronous orbit power technology needs


    Contributors:

    Conference:

    Conference on Advanced Technology for Future Space Systems ; 1979 ; Hampton, VA


    Publication date :

    1979-01-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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