Power demand control

Details Power demand control Power demand control

1992-09-30

1995-03-14

Gaffin, Jeffrey A.

Electrical transmission or interconnection systems

Plural load circuit systems

Control of current or power

307 39, 307 40, H02J 300

Patent

active

053979265

ABSTRACT:
A system and a method for saving power of an output variable apparatus such as an inverter air conditioner. A power demand controlling system includes: a power demand controlling unit for detecting and monitoring constantly an electric current flowing through the domestic lines; and power save controlling unit, connected to the domestic power lines and the output variable apparatus, for sending a power save signal to the apparatus, based on the current monitored by the power demand controlling unit, so that an output of the apparatus is reduced to a minimum value and after the power save signal is cancelled the output is returned gradually and stepwise to an original value.

REFERENCES:
patent: 4324987 (1982-04-01), Sullivan, II et al.
patent: 4520274 (1985-05-01), Stants
patent: 4788827 (1988-12-01), Otani
patent: 4855922 (1989-08-01), Huddleston et al.
patent: 4888495 (1989-12-01), Feron et al.
patent: 5179842 (1993-01-01), Kanazawa
patent: 5216897 (1993-06-01), Tsuchiyama

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