Method of dividing direct current among parallel circuits and de

Details Method of dividing direct current among parallel circuits and de Method of dividing direct current among parallel circuits and de

1977-10-11

1979-06-26

Hix, L. T.

Electrical transmission or interconnection systems

Plural load circuit systems

Control of current or power

323 75A, H02J 114, H02M 322

Patent

active

041594282

ABSTRACT:
A method of dividing direct current among parallel circuits, whereby the direct current in each parallel circuit is converted into an alternating current at equipotential sections of each parallel circuit, a compensating voltage equal to half the difference between the voltage drops across two neighboring parallel circuits under steady-state conditions and at equality of the direct current therein is produced at each equipotential section, and the compensating voltage is introduced into each parallel circuit in opposition to or in accordance with the circuit e.m.f. The device contains current-equalizing units equal in number to the number of parallel circuits, each having a bridge circuit made up four controlled switches; and capacitors coupled to the points of connection of the controlled switches so as to close the circuit.

REFERENCES:
patent: 2773200 (1956-12-01), Guggi
patent: 3344331 (1967-09-01), Adler
patent: 3751676 (1973-08-01), Igarashi
patent: 3839666 (1974-10-01), Kitaev
Japanese Publication identified as No. 47-51124, published 1972.
"Mercury Rectifier and Solid State Substations", A. M. Semichino, Publisher, Energy, 1968, Russia.

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