Power Electronics Figure shows two thyristors rated 400 A sharing a load current. Current through T2 is 180A. Current through T1 will be 110 A. 100 A. 150 A. 120 A. 110 A. 100 A. 150 A. 120 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics To turn on UJT, the forward bias on the emitter diode should be ___________ the peak point voltage. None of these Equal to More than Less than None of these Equal to More than Less than ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A string of n parallel SCRs is operated at 72 KA, the rating of each SCR is 1 KA. If derating factor of the string is 0.1. Then calculate the value of n 70. 90. 60. 80. 70. 90. 60. 80. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using snubber circuit. voltage clamping device. fuse. heat sink. snubber circuit. voltage clamping device. fuse. heat sink. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Typical range of thyristor turn OFF time is 3 - 500 µs. 3 - 10 µs. 3 - 100 µs. 3 - 50 µs. 3 - 500 µs. 3 - 10 µs. 3 - 100 µs. 3 - 50 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What may happen high dV / dt? Breakdown of J2 junction. Anyone of these. Both A and B. Unwanted turn ON. Breakdown of J2 junction. Anyone of these. Both A and B. Unwanted turn ON. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS