Electrical transmission or interconnection systems – Plural load circuit systems – Control of current or power
Patent
1980-05-30
1982-06-22
Hix, L. T.
Electrical transmission or interconnection systems
Plural load circuit systems
Control of current or power
307 38, H02J 314
Patent
active
043364624
ABSTRACT:
An energy management system which automatically limits the total instantaneous consumption of electrical energy in a residence having a plurality of energy consuming loads having different current demands, while maintaining the consumption of electrical energy as high as possible without exceeding a predetermined peak total current demand. Sensor means measure the total current to all of the loads which are then in operation and generates a signal indicating the total current. Current interrupters, controlled by the logic of a microprocessor automatically interrupt the current, if any, to each of the loads in a predetermined sequence, when the total current to the loads then in operation exceeds the predetermined peak total demand. Enough of the loads are shed until the total current is less than the predetermined peak total. The microprocessor then selects, from among those loads which have been interrupted, those which can be restored without causing the total current to exceed the preselected peak demand and generates signals which cause the interrupters to restore current to the selected loads.
REFERENCES:
patent: 3652838 (1972-03-01), Dillon et al.
patent: 4064485 (1977-12-01), Leyde
patent: 4075699 (1978-02-01), Scheider et al.
patent: 4146923 (1979-03-01), Borkan
Hedges Walter P.
Sullivan, II C. Gardner
Cyborex Laboratories, Inc.
Dwyer James L.
Hix L. T,.
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