Current sharing modular power system
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United States of America Patent
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-
Jun 30, 1981
Grant Date -
N/A
app pub date -
Apr 30, 1979
filing date -
Apr 30, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A current sharing modular power system including, in each module, an inverter circuit and means to determine the current to a common load from the module. A difference circuit is provided to determine the difference between the module supplied current and the average of the current supplied by the other modules. The difference is then utilized to vary the pulse width of the inverter output so that the pulses are wider if the current from the module is smaller than the current supplied by the other modules and the pulses are thinner if the current from the module is larger than the average current supplied by the other modules. The system also includes a voltage sense circuit to adjust the module operation to maintain a constant voltage output.
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