Electrical transmission or interconnection systems – Plural load circuit systems – Selectively connected or controlled load circuits
Patent
1978-07-21
1980-06-10
Hix, L. T.
Electrical transmission or interconnection systems
Plural load circuit systems
Selectively connected or controlled load circuits
340171PF, H04Q 912
Patent
active
042074746
ABSTRACT:
A power management central controller is operable to transmit a sequential two tone load shed command to a plurality of power loads should power consumption become excessive. An improved detector at the load site detects the presence of the two tone signal and initiates the load shedding interval.
REFERENCES:
patent: Re28739 (1976-03-01), Wycoff
patent: 3355709 (1967-11-01), Hanus
patent: 3396370 (1968-08-01), Agnew
patent: 3465294 (1969-09-01), Carsello et al.
patent: 3581283 (1971-05-01), Reddel
patent: 4069477 (1978-01-01), Maben
Dwyer James L.
Gillman James W.
Hackbart Rolland R.
Hamley James P.
Hix L. T,.
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