A.C. electrical power supply system including a backup power sup

Details A.C. electrical power supply system including a backup power sup A.C. electrical power supply system including a backup power sup

1991-09-24

1993-06-22

Gaffin, Jeffrey A.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Substitute or emergency source

307 87, H02J 906

Patent

active

052218627

ABSTRACT:
A first control loop enables the inverter to be made to operate as a current generator when it recharges the batteries of a back-up power supply. Two other control loops enable the inverter to compensate on the one hand the harmonics, and on for other hand for the reactive part of the current absorbed by the load, when the inverter is on stand-by.

REFERENCES:
patent: 4238691 (1980-12-01), Ebert, Jr.
patent: 4366390 (1982-12-01), Rathmann
patent: 4807102 (1989-02-01), Serras-Paulet
patent: 5010469 (1991-04-01), Bobry

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