Device for regulating ac current circuit

Details Device for regulating ac current circuit Device for regulating ac current circuit

1984-06-01

1986-02-25

Dixon, Harold

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Automatic regulation

315127, 315200R, 315205, 315209R, 323238, 361 21, G05F 100, H05B 3702

Patent

active

045729921

ABSTRACT:
The present invention provides a device for regulating an ac current circuit using a magnetic relay which is suitable for use in an incandescent lamp circuit or electric motor circuit to eliminate or reduce inrush-current. The present device comprises connecting power switch, diodes, series resistance and relay such that, after closing the power switch, an ac current first flows to a load through the series resistance for a brief time, then to the load through the contacts of the relay after a lapse of the brief time by bypassing the series resistance.

REFERENCES:
patent: 2681429 (1954-06-01), Long
patent: 3398371 (1968-08-01), Lamb
patent: 4503365 (1985-03-01), Kirk
Low Voltage AC Hg Arc Lamp Power Supply by Davis et al., IBM Tech. Discl. Bull., vol. 18, No. 2, Jul. 1975.

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