Energy management apparatus and method

Details Energy management apparatus and method Energy management apparatus and method

1976-02-11

1982-03-23

Gellner, Michael L.

Electrical transmission or interconnection systems

Plural load circuit systems

Control of current or power

307 39, 307 41, 307126, 364492, H02J 300

Patent

active

043214770

ABSTRACT:
An energy management system for a group of electrical loads such as in an industrial plant. The electrical power usage by the group of loads is elastically maintained between an upper set point and a lower low limit point, which is a percentage of the set point, at all times. The electrical load demand is presented in the form of a demand count to a comparator whose output provides a load display and couples load information to a sequencer. The sequencer cycles those loads which are off through the group of controlled loads and also varies the number of off loads in response to the comparator information. The set point floats and is responsive to actual power demand and a memory may be utilized to affect the sequencer operation dependent upon preprogrammed instructions for particular loads on particular days.

REFERENCES:
patent: 3521077 (1970-07-01), Buenzle, Jr.
patent: 3714453 (1973-01-01), Delisle et al.
patent: 3872286 (1975-03-01), Putman
patent: 3903515 (1975-09-01), Haydon et al.
patent: 3987308 (1976-10-01), Burch

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