Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1982-09-13
1984-12-11
Zazworsky, John
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307275, 307314, H03K 1760, H03K 1794
Patent
active
044880596
ABSTRACT:
A semiconductor switch device is disclosed with a main current passing through a main current path and a main semiconductor switch which has control electrode and a main electrode inserted into the path. A first winding is inserted into the electric path and a second winding is magnetically coupled to the first winding through a core and is connected between the control electrode and one main electrode of the main semiconductor switch. A third winding having a number of turns greater than the second winding is likewise magnetically coupled to said first winding. An auxiliary semiconductor switch is connected between both ends of the third winding and cooperates with a pulse signal input to provide a starting signal to the control electrode in the main semiconductor switch so that the auxiliary semiconductor switch is controlled in order to short-circuit both ends of the third winding and the control currents supplied by the first winding through the second winding is thereby cut off to turn off the main semiconductor switch.
REFERENCES:
patent: 3219844 (1965-11-01), Martin
patent: 3657569 (1972-04-01), Froeschle
Mitsubishi Denki & Kabushiki Kaisha
Zazworsky John
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