Overcurrent control device with fail-safe circuits

Details Overcurrent control device with fail-safe circuits Overcurrent control device with fail-safe circuits

1977-11-11

1980-09-09

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

361 1, 323 56, 323 89R, H02H 308

Patent

active

042220866

ABSTRACT:
An overcurrent control device for protection of direct-current circuits, employing a saturable reactor to provide for electrical isolation and remote location of the overcurrent detection means from the protected circuit, is provided with additional windings on the reactor and a circuit to render the device fail-safe, while another embodiment provides fail-safe protection using a modified arrangement wherein the additional reactor windings are omitted.

REFERENCES:
patent: 2761896 (1956-09-01), Foley et al.
patent: 2777986 (1957-01-01), Bennett
patent: 3256407 (1966-05-01), Klein
patent: 3374398 (1968-03-01), Horn et al.
patent: 3729650 (1973-04-01), Cook

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