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Battery charge control with temperature compensated voltage limitBattery charge control for orbiting spacecraft with mission durations from three to ten years, is a critical design feature that is discussed. Starting in 1974, the General Electric Space Systems Division designed, manufactured and tested battery systems for six different space programs. Three of these are geosynchronous missions, two are medium altitude missions and one is a near-earth mission. All six power subsystems contain nickel cadmium batteries which are charged using a temperature compensated voltage limit. This charging method was found to be successful in extending the life of nickel cadmium batteries in all three types of earth orbits. Test data and flight data are presented for each type of orbit.
Document ID
19830026976
Document Type
Conference Paper
Authors
Thierfelder, H. E.
(General Electric Co. Philadelphia, PA, United States)
Date Acquired
August 11, 2013
Publication Date
August 1, 1983
Publication Information
Publication: NASA. Goddard Space Flight Center The 1982 Goddard Space Flight Center Battery Workshop
Subject Category
Electronics And Electrical Engineering
Accession Number
83N35247
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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