Voltage control circuitry for UPS

Details Voltage control circuitry for UPS Voltage control circuitry for UPS

1979-02-09

1981-01-20

Hix, L. T.

Electric power conversion systems

Current conversion

Including an a.c.-d.c.-a.c. converter

307 66, 363 95, H02P 1320, H02M 544

Patent

active

042466334

ABSTRACT:
A voltage control circuit for an uninterruptible power supply (UPS), said UPS involving a controlled rectifier operating from an input AC line to charge batteries and to hold them at a constant voltage; the batteries supply power to an inverter which in turn produces an AC output, such output being uniquely controlled by efficiently and accurately compensating for any fluctuations due to battery voltage changes or to load changes.

REFERENCES:
patent: 3805139 (1974-04-01), Hoffman

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