The design of the STC-DBS (Satellite Television Corporation - Direct Broadcast Satellite) Electrical Power Subsystem presently under development at RCA Astro-Electronics is highlighted. To efficiently satisfy the payload power requirements, which are dominated by three 220 W TWTAs, while at the same time permitting maximum use of already qualified designs, a dual bus system was selected. The payload bus, which operates during non-eclipse periods, is a shunt-regulated solar array bus at 100 volts. The housekeeping bus is regulated at 35.5 volts when sunlit and varies with the battery voltage during eclipse.
STC-DBS electrical power subsystem
Das elektrische Energieversorgungssystem fuer Satelliten nach der Firmentype STC-DBS
1984
14 Seiten, 11 Bilder, 4 Tabellen, 4 Quellen
Conference paper
English
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