Series connected converter for control of multi-bus spacecraft power utility
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United States of America Patent
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-
Apr 22, 1997
Grant Date -
N/A
app pub date -
Oct 30, 1995
filing date -
Oct 30, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention provides a power system using series connected regulators. Power from a source, such as a solar array, is processed through the regulators and provided to corresponding buses used to charge a battery and supply loads. The regulators employ a bypass loop around a DC--DC converter. The bypass loop connects a hot input of the converter to a return output, preferably through an inductor. Part of the current from the source passes through the bypass loop to the power bus. The converter bucks or boosts the voltage from the source to maintain the desired voltage at the bus. Thus, only part of the power is processed through the converter. The converter can also be used without the bypass loop to provide isolation. All of the converters can be substantially identical.
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