Power Electronics When a large surge current of very short duration flows through a thyristor then which one of the following device will operate to protect the thyristor ? Snubber circuit. Voltage clamping device. Fast acting current limiting device (FACL fuse). CB. Snubber circuit. Voltage clamping device. Fast acting current limiting device (FACL fuse). CB. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics BCT is used for Low power current control. High power phase control. High power current control. Low power phase control. Low power current control. High power phase control. High power current control. Low power phase control. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is simply ___________. A triac without gate terminal A single junction device A three junction device None of these A triac without gate terminal A single junction device A three junction device None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The function of snubber circuit connected across the SCR is to decrease di / dt. decrease dV / dt. suppress dV / dt. increase dV / dt. decrease di / dt. decrease dV / dt. suppress dV / dt. increase dV / dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Latching current for an SCR inserted between a dc voltage source of 200 V and load is 100 mA. Compute the minimum rate of width pulse required to turn ON the SCR in case load consists of R = 20 Ω in series with L = 0.2 H. 200 µs. 150 µs. 100 µs. 300 µs. 200 µs. 150 µs. 100 µs. 300 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During gate recovery time charge carriers of J2 junction recombined. charge carriers of J2 junction is swept out. charge carrier of J1 junction removed. charge carriers of J3 junction is removed. charge carriers of J2 junction recombined. charge carriers of J2 junction is swept out. charge carrier of J1 junction removed. charge carriers of J3 junction is removed. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS