Title :
Earth Observing System (EOS) TERRA spacecraft 120 volt power subsystem©
Author_Institution :
Electr. Syst. Center, NASA Goddard Space Flight Center, Greenbelt, MD, USA
Abstract :
Built by the Lockheed-Martin Corporation, the Earth Observing System (EOS) TERRA spacecraft represents the first orbiting application of a 120 VDC high voltage spacecraft electrical power system implemented by the National Aeronautics and Space Administration (NASA) Goddard Space Flight Center. The development focus of the TERRA electrical power system (EPS) resulted from a need for high power distribution to the EOS TERRA spacecraft subsystems and instruments and minimizing mass and parasitic losses. This paper outlines the major requirements for the EPS as well as the resulting hardware implementation approach adopted to meet the demands of the EOS TERRA low Earth orbit mission
Keywords :
DC-DC power convertors; aerospace testing; distribution networks; photovoltaic power systems; secondary cells; solar cell arrays; space vehicle power plants; 120 V; Earth Observing System TERRA spacecraft; electrical power system; hardware implementation approach; low Earth orbit mission; power distribution; space power subsystem; Batteries; Earth Observing System; Gallium arsenide; Instruments; Low earth orbit satellites; NASA; Power distribution; Power systems; Space technology; Space vehicles;
Conference_Titel :
Energy Conversion Engineering Conference and Exhibit, 2000. (IECEC) 35th Intersociety
Conference_Location :
Las Vegas, NV
Print_ISBN :
1-56347-375-5
DOI :
10.1109/IECEC.2000.870687
