Energy conservation control method

Details Energy conservation control method Energy conservation control method

1977-04-28

1978-08-08

Wise, Edward J.

Boots, shoes, and leggings

307 52, 307 62, G06F 1506, G05B 1500

Patent

active

041060970

ABSTRACT:
An energy conservation schedule is followed automatically in response to production activity in a plant facility. The demand of power from the utility company is used as an indicator of actual production activity. The ON/OFF ratio of non-production loads is reduced to conserve energy and such adjustment is automatic in relation to actual demand of power. In one embodiment of the invention, a higher level of constraint is imposed on the non-production loads as soon as the demand has passed a critical threshold downward. In a second embodiment of the invention, control of the demand is installed in the plant in order to meet a demand limit at the end of a period of control involving the production loads as well as non-production loads under constraints. In the latter situation, whenever demand control is ineffective for a full control period to affect switching of the production loads, the system goes to energy conservation with a higher level of constraints applied to the non-production loads.

REFERENCES:
patent: 3296452 (1967-01-01), Williams
patent: 3522421 (1970-08-01), Miller
patent: 3652838 (1972-03-01), Dillon et al.
patent: 3659114 (1972-04-01), Polenz et al.
patent: 3697768 (1972-10-01), Johnston
patent: 3862430 (1975-01-01), Lenhart et al.
patent: 3872286 (1975-03-01), Putman
patent: 3987308 (1976-10-01), Burch
patent: 4023043 (1977-05-01), Stevenson
patent: 4034233 (1977-07-01), Leyde
Energy Conservation Seen as Major DP Application, Article, Computer World, Sept. 27, 1976, p. 11.

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