Configuration for reducing the turn-off time of a thyristor

Details Configuration for reducing the turn-off time of a thyristor Configuration for reducing the turn-off time of a thyristor

1977-02-23

1978-08-29

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307252A, 307252J, 307305, 357 38, 357 68, H03K 1772

Patent

active

041106385

ABSTRACT:
The present invention is directed to a thyristor having a configuration for educing turn-off time, said thyristor comprises a main thyristor portion having a main emitter electrode and a control electrode and an auxiliary thyristor portion having an auxiliary emitter electrode and adapted for amplifying the control current, the arrangement includes a voltage source connected to the auxiliary thyristor, and supplying the auxiliary emitter electrode with a current the direction of which is opposite to the direction of the control current.

REFERENCES:
patent: 3590346 (1971-06-01), Bilo et al.
patent: 3821565 (1974-06-01), Horinaga
patent: 3896476 (1975-07-01), Kawakami

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