The present work describes the design and in-flight performance of the power subsystem for the first three Atmosphere Explorer (AE) spacecraft. The subsystem provides all electrical power to the spacecraft loads and consists of a solar array, three batteries, and a power supply electronics unit. Power from the solar array is supplied to the spacecraft loads through an unregulated power bus, which varies between -26 and -38 V. Loads which are normally on only during data collection phases of an orbit are fed from a tightly regulated -24.5 V bus. Power subsystem performance during the first three months in orbit has been nominal, except for an anomally in the shunt limiter protection circuitry. A malfunctioning shunt control amplifier was reconnected via ground command.


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    Titel :

    The Atmosphere Explorer power subsystem


    Beteiligte:
    Obenschain, A. (Autor:in) / Bacher, J. (Autor:in) / Callen, P. (Autor:in)

    Kongress:

    Intersociety Energy Conversion Engineering Conference ; 1974 ; San Francisco, CA


    Erscheinungsdatum :

    01.01.1974


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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