Circuit arrangement for the on-off switching of a line voltage t

Details Circuit arrangement for the on-off switching of a line voltage t Circuit arrangement for the on-off switching of a line voltage t

1981-02-17

1982-03-16

Beha, Jr., William H.

Electricity: power supply or regulation systems

External or operator controlled

Phase controlled switching using electronic tube or a three...

323319, 323910, G05F 1455

Patent

active

043203361

ABSTRACT:
A circuit arrangement contains an oscillator for producing high frequency pulses, a gate circuit, a pulse transformer and a triac. The high frequency pulses can be connected to the primary winding of the transformer by way of the gate circuit. The secondary winding of the transformer is connected in the control circuit of the triac. The line voltage load is connected in the output circuit of the triac. A switch is arranged at the output of the gate circuit and is connected to the primary winding of the transformer. The switch is closed only during the presence of one polarity of the pulses so that a current can only flow through the primary winding of the transformer during a corresponding interval.

REFERENCES:
patent: 3414766 (1968-12-01), Miller
patent: 3663950 (1972-05-01), Bartlett
patent: 3706913 (1972-12-01), Malatchi
patent: 4101819 (1978-07-01), Maeda et al.
patent: 4162440 (1979-07-01), Luteran
patent: 4176307 (1979-11-01), Parker
IBM Technical Disclosure Bulletin, "Complete Half-Wave Thyristor Control, " vol. 16, No. 9, p. 2962, Feb. 1974.
Memoirs of the Faculty of Engineering, Kobe University, No. 20, pp. 165-167, Mar. 1974.
International Rectifier Application Note An-A-13, "The 200 AMP Logic Triac,".

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