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

1977-12-02

1981-01-20

Gellner, Michael L.

Electrical transmission or interconnection systems

Plural load circuit systems

Selectively connected or controlled load circuits

361182, 307129, H02J 1300

Patent

active

042464927

ABSTRACT:
Information is conveyed from a generating 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 controlling or consuming location and a frequency indicating signal is generated. Frequency deviations of predetermined magnitude for 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: 3683343 (1972-08-01), Feldman

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