This paper presents a novel unified three domain control unit for onboard power management in small satellite power systems. The control unit consists of several autonomous auto-oscillating MPPTs (Maximum Power Point Tracker), a CV (Constant Voltage) control and a CC (Constant Current) control of charging the battery. The introduced circuits were developed for a high reliability power subsystem with unregulated power bus topology. A combination of distributed and centralized circuits are used to provide an efficient single point failure free solution for battery charging and solar array power management.
Power subsystem for small satellites with unified operational mode controller
2011-09-01
595212 byte
Conference paper
Electronic Resource
English
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