DC/DC Stabilized voltage converter unit

Electric power conversion systems – Current conversion – Having plural converters for single conversion

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363 79, 307 82, 307 86, 340660, H02M 300

Patent

active

043097480

ABSTRACT:
In a DC/DC stabilized voltage converting unit having a series circuit including an input filter, a converter stage having a control input and an output filter, the improvement comprising: a control stage having an output connected to the control input; a voltage regulating circuit receptive of an output of the output filter and having an output applied to the control stage; an anti-overvoltage and anti-overcurrent stage receptive of an output of the converter stage and having an output applied to the control stage; a voltage converter chain coupling circuit for effecting the linking of units in a chain; an internal monitoring and commutating circuit connected between the voltage regulating circuit and the control stage for surveying the outputs of the converter stage; a visually and electrically signalling alarm circuit receptive of the outputs of the output filter and having the outputs thereof applied to the chain coupling circuit; and wherein the chain coupling circuit includes a first input for linking to one pole of a power supply source, a coupling terminal connectable to said one pole of the power supply source, a third input for connecting to the coupling terminal of the next chain coupling circuit in the chain, first and second outputs connected to the input filter and a third output connected to the control stage.

REFERENCES:
patent: 3333179 (1967-07-01), Freeman
patent: 3440492 (1969-04-01), Carmody
patent: 3631332 (1971-12-01), Williamson
patent: 3652867 (1972-03-01), Zinn
patent: 4013938 (1977-03-01), McCoy

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