NASA NTRS · 19790013399
Orbiting Astronomical Observatory Battery and Power System Design
Abstract
The battery design of OAO-C (OAO-3) is given and consists of three-20 ampere hour 22 series connected cells in the battery. There are three batteries per spacecraft. The packaging configuration is described. The charging-discharging operations and the voltage potential of the battery system are discussed. Graphs are presented for the voltage limits (battery voltage versus temperature) and end of dark voltages (battery voltage versus ampere-hours discharged) of the battery system used on OAO-3. Data tables are also presented which give a summary of the battery performance and a comparison of OAO-3 with OAO A-2.
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F E Ford. 1978-01-01. Orbiting Astronomical Observatory Battery and Power System Design. https://ntrs.nasa.gov/citations/19790013399
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