Two terminal power control switch with triac current powered con

Details Two terminal power control switch with triac current powered con Two terminal power control switch with triac current powered con

1979-02-16

1981-06-30

Clawson, Jr., Joseph E.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307252N, 307252UA, H03K 1760

Patent

active

042764866

ABSTRACT:
A switching arrangement including a current switch for providing a low impedance electrical path therethrough in response to the application of triggering signals thereto, and for providing a high impedance electrical path in the absence of the triggering signals, is connected in an electrical path between a load and an AC voltage source. A control circuit is provided for applying triggering signals to the current switch when enabling power is applied thereto. A normally open switch provides enabling power derived from the AC voltage source to the control circuit when the normally open switch is closed. A normally closed switch provides enabling power derived from current which flows through the current switch to the control circuit when the normally closed switch is closed. Upon momentary closure of the normally open switch, the switching arrangement is turned on. Upon momentary opening of the normally closed switch, or upon the momentary interruption of the AC voltage supplied to the switching arrangement, the switching arrangement is turned off.

REFERENCES:
patent: 3656005 (1972-04-01), Lee
patent: 3688130 (1972-08-01), Granieri
patent: 3801832 (1974-04-01), Joyce
patent: 3890562 (1975-06-01), West
patent: 4011482 (1977-03-01), Seib
patent: 4081660 (1978-03-01), Offer et al.
patent: 4199694 (1980-04-01), Van Zeeland
"Neue Wege der Schaltungstechnik," Electronik-Woustrie vol. 6 #7,8, Jul.-Aug. 1975, pp. 156-157.

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