Power Electronics 4 thyristors rated 200 V in series. The operating voltage of the string is 0.600 V. Derating factor of the string is 0.75. 0.7. 0.25. 0.2. 0.75. 0.7. 0.25. 0.2. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After proper turn on of thyristor None of these gate signal should present but can be removed. gate signal is always present. gate signal must be removed. None of these gate signal should present but can be removed. gate signal is always present. gate signal must be removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power semiconductor may undergo damage due to High di/dt. High dv/dt. Low dv/dt. Low di/dt. High di/dt. High dv/dt. Low dv/dt. Low di/dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? Recovery is only 5 µs. Doping is carried out. Recovery is only 50 µs. None of these. Recovery is only 5 µs. Doping is carried out. Recovery is only 50 µs. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The function of snubber circuit connected across the SCR is to decrease dV / dt. increase dV / dt. decrease di / dt. suppress dV / dt. decrease dV / dt. increase dV / dt. decrease di / dt. suppress dV / dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following devices has highest di/dt and dv/dt capability? SCR. SITH. GTO. SIT. SCR. SITH. GTO. SIT. ANSWER DOWNLOAD EXAMIANS APP