Multi-stage electrical control system

Details Multi-stage electrical control system Multi-stage electrical control system

1982-06-14

1983-12-06

Goldberg, Elliot A.

Electrical transmission or interconnection systems

Plural load circuit systems

Selectively connected or controlled load circuits

361191, H02J 300

Patent

active

044195893

ABSTRACT:
Multi-stage electrical load control apparatus includes current transformers for sensing the on and off status of electrical load elements and a predetermined priority system selectively allows different electrical load elements to be turned on and off in response to the sensed load status.

REFERENCES:
patent: 1194165 (1916-08-01), Fry
patent: 2266152 (1941-12-01), Biebel
patent: 2266256 (1941-12-01), Osterheld
patent: 2635196 (1953-04-01), Kingsley
patent: 2712101 (1955-06-01), Salati
patent: 2784322 (1957-03-01), Johnson
patent: 2843759 (1958-07-01), Roots
patent: 2904703 (1959-09-01), Hall
patent: 3066227 (1962-11-01), Rooney
patent: 4100426 (1978-07-01), Baranowski et al.
patent: 4310770 (1982-01-01), Keener et al.

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