Power Electronics The latching current of SCR is 20 mA. Its holding current will be 60 mA. 40 mA. 10 mA. 23 mA. 60 mA. 40 mA. 10 mA. 23 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The capacitance of reversed bised junction J2 in a thyristor is CJ2 = 20 pF and can be assumed to be independant of the off state voltage. The limiting value of the charging current to turn on the thyristor is 16 mA. What is the critical value of dv/dt? 1000 V/µs. 1200 V/µs. 800 V/µs. 600 V/µs. 1000 V/µs. 1200 V/µs. 800 V/µs. 600 V/µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using snubber circuit. heat sink. fuse. voltage clamping device. snubber circuit. heat sink. fuse. voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect a thyristor from high di / dt conditions? Fuse. Voltage clamping device. Snubber circuit. Inductor. Fuse. Voltage clamping device. Snubber circuit. Inductor. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics For series connected SCR’s dynamic equalising circuit consists of R and C in series but with diode across R. series R and diode with C across R. series R and diode with C across R. R and C in series but with diode across C. R and C in series but with diode across R. series R and diode with C across R. series R and diode with C across R. R and C in series but with diode across C. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The typical value of SCR for modern alternator is 1.2. 0.5. 1.5. 1.0. 1.2. 0.5. 1.5. 1.0. ANSWER DOWNLOAD EXAMIANS APP
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