Electrical transmission or interconnection systems – With nonswitching means responsive to external nonelectrical... – Temperature responsive
Patent
1986-03-21
1988-04-26
Zazworsky, John
Electrical transmission or interconnection systems
With nonswitching means responsive to external nonelectrical...
Temperature responsive
307637, 307646, 307305, 361 93, 361 98, H03K 1772
Patent
active
047407239
ABSTRACT:
A voltage across a resistor of a small value connected in series with the cathode or anode of a thyristor is used as a signal source for overcurrent detection. When an overcurrent is generated, the voltage across the resistor increases in excess of the built-in voltage between the base and emitter of a transistor, thereby turning on the transistor. A transistor to take out a current from the gate of the thyristor is turned on. Thus, the self-turn off operation of the thyristor is executed.
REFERENCES:
patent: 3263128 (1966-07-01), White
Kariya Tadaaki
Shimura Tatsuo
Sugayama Shigeru
Tomita Sigeo
Hitachi , Ltd.
Hitachi Haramachi Semi-Conductor Ltd.
Zazworsky John
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