Single wire current share paralleling of power supplies

Details Single wire current share paralleling of power supplies Single wire current share paralleling of power supplies

1984-04-30

1986-09-02

Pellinen, A. D.

Electrical transmission or interconnection systems

Plural supply circuits or sources

One source floats across or compensates for other source

307 53, 307 64, 363 25, 363 71, H02J 346

Patent

active

046098283

ABSTRACT:
Each of a plurality of parallel connected power supplies is controlled by a parallel control circuit which measures the output current from each power supply and compares this output current to the average output current produced by all the power supplies and generates a signal representative of the difference therebetween to drive the output current of the power supply toward the average output current from all power supplies. The structure includes in addition a switch for disconnecting the parallel control circuit of a failed power supply from the system and a booster resistor for assisting in bootstrapping the startup of a given power supply being inserted into parallel with the preexisting parallel connected power supplies.

REFERENCES:
patent: 3769568 (1973-10-01), Hamilton et al.
patent: 3870896 (1975-03-01), Kiko
patent: 3956638 (1976-05-01), Ahrens et al.
patent: 4177389 (1979-12-01), Schott
patent: 4425613 (1984-01-01), Shelly
patent: 4441032 (1984-04-01), Sakurai et al.

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