Electrical transmission or interconnection systems – Plural load circuit systems – Selectively connected or controlled load circuits
Patent
1992-05-06
1993-09-07
Gaffin, Jeffrey A.
Electrical transmission or interconnection systems
Plural load circuit systems
Selectively connected or controlled load circuits
307 30, 307 31, H02J 314
Patent
active
052432254
ABSTRACT:
Apparatus for controlling consumer usage of electric power by selective load shedding during peak periods comprises, in combination: a) a transmitter capable of transmitting a burst of a desired duration of electrical pulses of a selected frequency through each phase of a power transmission line; b) at least one group of receivers, each group of receivers including at least one receiver, each receiver being provided with means for detecting the duration of a burst of said pulse and actuating or deactuating an electrical device in response thereto.
REFERENCES:
patent: 4357598 (1982-11-01), Melvin, Jr.
patent: 4471232 (1984-09-01), Peddie et al.
Schweer G. Carl
Van Zyl Ian D.
564935 Ontario Limited
Gaffin Jeffrey A.
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