Control of power supply

Details Control of power supply Control of power supply

1978-11-03

1980-12-02

Hickey, Robert J.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Substitute or emergency source

320 13, H02J 700, H02J 900

Patent

active

042373859

ABSTRACT:
A power supply control system suitable for controlling and protecting batteries used in such systems by causing the automatic disconnection of the battery from a load when either the battery voltage has dropped to a preset level or when the load has open circuited. Disconnection of the load ensures that the battery does not undergo any further discharge (except self discharge) and the load can only be reconnected to the battery when a main supply (charging means) is reapplied and removed again or by use of additional circuitry from an external switch, and then only when load is present and battery voltage is above the preset level.

REFERENCES:
patent: 3683198 (1972-08-01), Thode
patent: 3721887 (1973-03-01), Nickerson
patent: 3939359 (1976-02-01), Nehushtan et al.

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