A high power density, modular and state-of-the-art Power System Electronics (PSE) has been developed for the Lunar Reconnaissance Orbiter (LRO) mission. This paper addresses the hardware architecture and performance, the power handling capabilities, and the fabrication technology. The PSE was developed by NASA s Goddard Space Flight Center (GSFC) and is the central location for power handling and distribution of the LRO spacecraft. The PSE packaging design manages and distributes 2200W of solar array input power in a volume less than a cubic foot. The PSE architecture incorporates reliable standard internal and external communication buses, solid state circuit breakers and LiIon battery charge management. Although a single string design, the PSE achieves high reliability by elegantly implementing functional redundancy and internal fault detection and correction. The PSE has been environmentally tested and delivered to the LRO spacecraft for the flight Integration and Test. This modular design is scheduled to flight in early 2009 on board the LRO and Lunar Crater Observation and Sensing Satellite (LCROSS) spacecrafts and is the baseline architecture for future NASA missions such as Global Precipitation Measurement (GPM) and Magnetospheric MultiScale (MMS).


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    Titel :

    A High Power Density Power System Electronics for NASA's Lunar Reconnaissance Orbiter


    Beteiligte:
    Hernandez-Pellerano, A. (Autor:in) / Stone, R. (Autor:in) / Travis, J. (Autor:in) / Kercheval, B. (Autor:in) / Alkire, G. (Autor:in) / Ter-Minassian, V. (Autor:in)

    Kongress:

    AIAA 7th Annual International Energy Conversion Engineering Conference ; 2009 ; Denver, CO, United States


    Erscheinungsdatum :

    02.08.2009


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




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