Charge control on the International Space Station (ISS) is currently being provided by two plasma contactor units (PCUs). The plasma contactor includes a hollow cathode assembly (HCA), power processing unit and Xe gas feed system. The hollow cathode assemblies in use in the ISS plasma contactors were designed and fabricated at the NASA Glenn Research Center. Prequalification testing of development HCAs as well as acceptance testing of the flight HCAs is presented. Integration of the HCAs into the Boeing North America built PCU and acceptance testing of the PCU are summarized in this paper. Finally, data from the two on-orbit PCUs is presented.


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    Titel :

    Correlation of Hollow Cathode Assembly and Plasma Contactor Data from Ground Testing and In-Space Operation on the International Space Station


    Beteiligte:

    Kongress:

    27th International Electric Propulsion Conference ; 2001 ; Pasadena, CA, United States


    Erscheinungsdatum :

    2001-12-01


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch