PROBLEM TO BE SOLVED: To make it possible to operate a system continuously without stopping a generator even if there is an accident in the system by causing high-frequency current to flow in a thyristor switch, superposing it on short circuit current, by a secondary excitation device through...
METHODS OF IMPROVING TURN-OFF CHARACTERISTICS OF THYRISTOR USING CONTROL OF ANODE-SIDE EMITTERThe present invention provides appropriate methods for improving the turn- off characteristics of power semiconductor thyristors, especially where the observed delayed turn-off is not attributable to the usual ...
- 《Molecular Therapy Methods & Clinical Development》 被引量: 4发表: 2014年 Press-on turn-off closure cap Marmosets as a preclinical model for testing "off-label" use of doxy- cycline to turn on Flt3L expression from high-capacity adenovirus vectors. Mol Ther Method Clin Dev, in press....
Fast thyristor usually used as inverter circuit,phase control thyristor used as rectifier circuit.Two or four fast SCR in series in the inverter circuit. COMPANY We have a wide current range fast switching thyristor which used on inverter bridge. ...
Fast thyristor usually used as inverter circuit,phase control thyristor used as rectifier circuit.Two or four fast SCR in series in the inverter circuit. COMPANY We have a wide current range fast switching thyristor which used on inverter bridge. For example KK800A/1000V-1800V...
A thyristor is comprised of a main thyristor region, a gate region for causing the main thyristor region to be turned on in response to a gate signal, and an amplifying gate region which is turned on
- 《Nuclear Instruments & Methods in Physics Research》 被引量: 1发表: 1996年 GTO (Gate Turn-Off Thyristor) device model for detailed circuit simulation A GTO (Gate Turn-Off Thyristor) device model for circuit simulation has been developed and tested. The model is based on the two-...
terminal of turning-off switch 29 is connected to the anode side of power source 23, and one terminal of turning-on switch 24 to the cathode side of power souce 23; and the other-side terminals of both switches 29 and 24 are connected to the cathode of gate turn-off thyristor (GTO) ...
METHODS OF IMPROVING TURN-OFF CHARACTERISTICS OF THYRISTOR USING CONTROL OF ANODE-SIDE EMITTERThe present invention provides appropriate methods for improving the turn- off characteristics of power semiconductor thyristors, especially where the observed delayed turn-off is not attributable to the usual ...
manufacturing methodsdiffusionvoltageAn attempt was made to fabricate fast turn-off complementary SCR's using both anode sweep-out and sweep-out from the upper base region of the device. The sweep-out principle was found ineffective for clearing excess charge from the wide center base of the ...