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 R. R and C in series but with diode across C. 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 R. R and C in series but with diode across C. series R and diode with C across R. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Voltage clamping device. Snubber circuit. Heat sink. CB and fuse. Voltage clamping device. Snubber circuit. Heat sink. CB and fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The function of snubber circuit connected across the SCR is to decrease di / dt. suppress dV / dt. decrease dV / dt. increase dV / dt. decrease di / dt. suppress dV / dt. decrease dV / dt. increase dV / dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in SCR to protect from high dV / dt? Snubber circuit. Circuit breaker. Fuse. Equalizing circuit. Snubber circuit. Circuit breaker. Fuse. Equalizing circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SITH is also known as Silicon controlled rectifier. Filled controlled rectifier. Filled controlled diode. None of these. Silicon controlled rectifier. Filled controlled rectifier. Filled controlled diode. None of these. 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. 800 V/µs. 1200 V/µs. 600 V/µs. 1000 V/µs. 800 V/µs. 1200 V/µs. 600 V/µs. ANSWER DOWNLOAD EXAMIANS APP
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