Battery backup supply control means and method

Details Battery backup supply control means and method Battery backup supply control means and method

1981-01-30

1982-10-12

Rubinson, G. Z.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Substitute or emergency source

320 13, 320 40, H02J 900

Patent

active

043541186

ABSTRACT:
An apparatus for automatically connecting and disconnecting a battery backup supply senses when the potential of a main d.c. power supply drops below a first predetermined value, and in response thereto connects the battery backup supply to an electrical load. The apparatus also senses when the potential of the battery backup supply drops below a second predetermined value and in response thereto disconnects the battery backup supply from the electrical load.

REFERENCES:
patent: 3573483 (1971-04-01), White

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