A.C. voltage regulator including bilateral thyristor

Details A.C. voltage regulator including bilateral thyristor A.C. voltage regulator including bilateral thyristor

1976-03-03

1977-02-01

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307297, 323 24, 323 38, 323 39, H03K 1772, H03K 1702

Patent

active

040063682

ABSTRACT:
An a.c. voltage regulator comprises a three terminal, bilateral thyristor connected across an a.c. power source in series with a load. According to the invention, the bilateral thyristor is associated with a time constant circuit including a variable resistor and a capacitor, and is also associated with a bilateral diode serving to produce a trigger pulse. A phase control is thus exercised over the conduction of the bilateral thyristor. In accordance with the invention, a resistor is connected between one of the anodes of the bilateral thyristor and the variable resistor, and a pair of constant voltage diodes are connected across the variable resistor and the capacitor, respectively, through a common diode.

REFERENCES:
patent: 3346874 (1967-10-01), Howell
patent: 3436562 (1969-04-01), Harris, Jr.
patent: 3484623 (1969-12-01), Cain

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