Potential free actuation circuit for a pulse duration controlled

Details Potential free actuation circuit for a pulse duration controlled Potential free actuation circuit for a pulse duration controlled

1983-08-25

1986-08-19

Beha, Jr., William H.

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

307570, 307571, 323351, G05F 156

Patent

active

046072101

ABSTRACT:
A potential free actuation circuit for a pulse duration controlled electronic power switch having a control electrode and two major electrodes, the circuit including a driver stage having a control input and two major electrodes, and a pulse transformer connected for supplying control pulses to the driver stage for turning the power switch on and off. The driver stage and pulse transformer are connected and operated so that when the power switch is being turned off, its control electrode is placed at the potential of one of its major electrodes to thereby achieve greater freedom from disturbance, and so that the power switch is actuated with very low resistance by the driver stage, resulting in very short switching times which lead to low switching losses.

REFERENCES:
patent: 4052623 (1977-10-01), Loberg
patent: 4423341 (1983-12-01), Shelly
patent: 4461966 (1984-07-01), Hebenstreit
Joachim Wustenhube, Schaltnetzteile [Switching Network Components], published by Expert Verlag, Grafenau, 1979, at p. 410, FIGS. 11.14.
Klaus Rischmuller, an article from the German publication ETZ-B, vol. 29, Issue 7, entitled "Treiberschaltung fur Hochstromtransistoren", 1977, pp. 211-214.
Rainer von Courbiere, an article from the German publication ETZ-B, vol. 30, Issue 21, entitled "Zwei-Quadrant-Steller als Netzfreundliches Batterieladegerat", 1978, pp. 825-827.

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