Communications: electrical – Continuously variable indicating – With meter reading
Patent
1982-08-06
1983-12-06
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
34082508, 340310A, 307 39, H04Q 900, H02J 310, H04B 354
Patent
active
044196660
ABSTRACT:
A method and apparatus which permits a power utility to have direct control of customers loads (CD) with a view toward facilitating enablement of a load management philosophy which includes peak shaving and load deferral. A master control station (MCS), which comprises a programmable microprocessor-based central controller, is in two-way communication with a plurality of substation injection units (SIU), one of each of which is positioned at a separate substation of the power utility. Each substation injection unit (SIU), under the control of its own microprocessor, responds to master control signals from the master control station (MCS) to inject a pulse code signal onto the power lines of the utility. The system includes a plurality of remote receiver units (RRU) which are positioned at and connected to control the on and off times of customer loads (CD). Each remote receiver unit (RRU) is preset to respond to particular pulse code signals from the substation injection units (SIU) to carry out the desired command functions, which can be implemented either automatically or manually on a fixed or dynamic-cycle basis as the need arises. The system utilizes a command signal and pulse code signal verification technique to insure system integrity and reliability.
REFERENCES:
patent: 3842249 (1974-10-01), Geyer et al.
patent: 4135181 (1979-01-01), Bogacki et al.
patent: 4215394 (1980-07-01), Galloway et al.
patent: 4264960 (1981-04-01), Gurr
patent: 4347575 (1982-08-01), Gurr et al.
Gurr George P.
Nelson Bruce J.
Sangamo Weston, Inc.
Yusko Donald J.
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