Device for protection in the case of d.c. supply-voltage drop

Details Device for protection in the case of d.c. supply-voltage drop Device for protection in the case of d.c. supply-voltage drop

1979-12-14

1982-03-30

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307296R, 307442, 307315, 340663, 361 92, 361 98, H02H 3247

Patent

active

043226345

ABSTRACT:
A device for protection against power failures, having a programmable current source with two levels, which are controlled by a threshold detector, the current from the source being large at high voltages and reduced at low voltages.

REFERENCES:
patent: 3038106 (1962-06-01), Cutsogeorge et al.
patent: 3486041 (1969-12-01), Thompson
patent: 4099068 (1978-07-01), Kobayashi et al.

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