Power Electronics Which triggering is the most reliable? Gate triggering. dV / dt triggering. Forward voltage triggering. Thermal triggering. Gate triggering. dV / dt triggering. Forward voltage triggering. Thermal triggering. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If a latching current for the circuit shown in figure is 2 mA. Obtain the value of minimum width of the property turn ON the SCR? 3.3 µs 3.2 µs 3.1 µs 3 µs. 3.3 µs 3.2 µs 3.1 µs 3 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics For series connected SCR’s dynamic equalising circuit consists of series R and diode with C across R. R and C in series but with diode across C. series R and diode with C across R. R and C in series but with diode across R. series R and diode with C across R. R and C in series but with diode across C. series R and diode with C across R. R and C in series but with diode across R. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What happen due to high di / dt? Local hot spot. Insulation failure. Breakdown of junction. None of these. Local hot spot. Insulation failure. Breakdown of junction. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 60 thyrsistors are connected in series and parallel to form a 10 KV and 5.5 KA switch. Each thyristor is rated for 1.2 KV, 1 KA. The no. of parallel path are 6. The efficiency of the switch is 91.6 %. 83.3 %. 90.9 %. 76.3 %. 91.6 %. 83.3 %. 90.9 %. 76.3 %. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? To minimize the loss . To minimize the discharging current. To minimize the charging current. All of these. To minimize the loss . To minimize the discharging current. To minimize the charging current. All of these. ANSWER DOWNLOAD EXAMIANS APP
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