Battery charging and discharging system

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source

Patent

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Details

307 10BP, 307 64, H02J 700

Patent

active

039393593

ABSTRACT:
A battery charging and discharging system includes a charging circuit for charging a battery from supply mains and a first switching circuit responsive to a failure of the supply mains for switching the battery from the charging circuit to a discharge circuit which imposes a load thereon. A second switching circuit is thereafter responsive to the output of the battery to disconnect the load from the battery when the battery output falls below a predetermined level.

REFERENCES:
patent: 3419779 (1968-12-01), Zehner
patent: 3684891 (1972-08-01), Sieron
patent: 3778634 (1973-12-01), Hanrihan
patent: 3784892 (1974-01-01), Zeling

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