Inverter using parallel connected series pre-regulator and a synchronized switch
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United States of America Patent
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-
Apr 8, 1986
Grant Date -
N/A
app pub date -
Jul 5, 1984
filing date -
Jul 5, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A series regulator responds to an input voltage to produce a constant direct voltage. A resistor is connected at one end to the output of the regulator. A current carrying bus is connected between the other end of the resistor and the input of the inverter whereby current flows through the resistor producing a voltage drop thereacross and thereafter flows into the inverter to supply power thereto. An electronic switch has a closed position at which current on the bus supplied via the resistor is augmented by the current on the bus supplied via the switch. The switch has an open position at which the augmented current is not present on the bus, the switch being placed in the open position whenever a pulse appears in the control voltage and thereafter is placed in the closed position when the pulse disappears and said voltage drop is at least equal to a preselected value.
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