The results of electrical power system (EPS) analysis of the planned Shuttle Transportation System Flight 1 mission are presented. The capability of the orbiter EPS to support the planned flight and to provide program tape information and supplementary data specifically requested by the flight operations directorate was assessed. The analysis was accomplished using the orbiter version of the spacecraft electrical power simulator program, operating from a modified version of orbiter electrical equipment utilization baseline revision four. The results indicate that the nominal flight, as analyzed, is within the capabilities of the orbiter power generation system, but that a brief, and minimal, current overload may exist between main distributor 1 and mid power controlled 1, and that inverter 9 may the overloaded for extended periods of time. A comparison of results with launch commit criteria also indicated that some of the presently existing launch redlines may be violated during the terminal countdown.


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    Title :

    Eps Analysis of Nominal Sts-1 Flight


    Contributors:

    Publication date :

    1980


    Size :

    811 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    EPS analysis of nominal STS-1 flight

    Wolfgram, D. F. / Pipher, M. D. | NTRS | 1980




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