Power Electronics The function of snubber circuit connected across the SCR is to suppress dV / dt. decrease di / dt. increase dV / dt. decrease dV / dt. suppress dV / dt. decrease di / dt. increase dV / dt. decrease dV / dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A GTO can be turned on by applying Positive gate signal. Positive source signal. Positive drain signal. None of these. Positive gate signal. Positive source signal. Positive drain signal. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? To minimize the charging current. To minimize the discharging current. To minimize the loss . All of these. To minimize the charging current. To minimize the discharging current. To minimize the loss . All of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The turn-on time of an SCR with inductive load is 20 µs. The puls train frequency is 2.5 KHz with a mark/space ratio of 1/10, then SCR will Turn on. Not turn on. Turn on if pulse frequency us increased to two times. Turn on if inductance is removed. Turn on. Not turn on. Turn on if pulse frequency us increased to two times. Turn on if inductance is removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Typical range of thyristor turn OFF time is 3 - 50 µs. 3 - 10 µs. 3 - 100 µs. 3 - 500 µs. 3 - 50 µs. 3 - 10 µs. 3 - 100 µs. 3 - 500 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A Triac has three terminals viz ___________ Two main terminal and a gate terminal Drain, source, gate Cathode, anode, gate None of these Two main terminal and a gate terminal Drain, source, gate Cathode, anode, gate None of these ANSWER DOWNLOAD EXAMIANS APP
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