Parallel electric power supplies with current sharing and redundancy
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United States of America Patent
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Apr 6, 1993
Grant Date -
N/A
app pub date -
Feb 21, 1989
filing date -
Feb 21, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electric power system having power supplies connected in parallel to a common bus includes a voltage feedback and current feedback loop for each supply. A voltage feedback signal and a current feedback signal are combined with a reference signal to produce an error signal. The output voltage of each supply is controlled in response to its corresponding error signal, to achieve current sharing and redundancy without interconnections among the control circuits of the various supplies.
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