Method of and apparatus for load and/or load control signaling t

Details Method of and apparatus for load and/or load control signaling t Method of and apparatus for load and/or load control signaling t

1980-12-24

1983-01-25

Hix, L. T.

Electrical transmission or interconnection systems

Plural load circuit systems

Selectively connected or controlled load circuits

307129, 361182, 375 48, H02J 1300

Patent

active

043705634

ABSTRACT:
Information is conveyed from a transmitting site to a consuming location in an electric power system by varying the frequency of the power from the nominal standard generating frequency. The signaled variation in frequency is detected at a power consuming location and a frequency indicating signal is generated. Frequency deviations of predetermined magnitude for a predetermined time duration signal a selected range of power system load while different deviations for different times signal automatic remote control of certain predetermined loads or other functions.

REFERENCES:
patent: 3558911 (1971-01-01), Chen
patent: 3639810 (1972-02-01), Schleif
patent: 3643160 (1972-02-01), Ray et al.
patent: 3683343 (1972-08-01), Feldman
patent: 4246492 (1981-01-01), Vandling

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