Power Electronics A diac has ___________ terminals. Three Two Four None of these Three Two Four None of these 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. 300 µs. 150 µs. 100 µs. 200 µs. 300 µs. 150 µs. 100 µs. 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 90. 80. 70. 60. 90. 80. 70. 60. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The typical time of rising time lies between 90 - 100 µs. 10 - 20 µs. 40 - 60 µs. 1 - 4 µs. 90 - 100 µs. 10 - 20 µs. 40 - 60 µs. 1 - 4 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During gate recovery time charge carriers of J2 junction recombined. charge carrier of J1 junction removed. charge carriers of J2 junction is swept out. charge carriers of J3 junction is removed. charge carriers of J2 junction recombined. charge carrier of J1 junction removed. charge carriers of J2 junction is swept out. charge carriers of J3 junction is removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Typical range of thyristor turn OFF time is 3 - 50 µs. 3 - 10 µs. 3 - 500 µs. 3 - 100 µs. 3 - 50 µs. 3 - 10 µs. 3 - 500 µs. 3 - 100 µs. ANSWER DOWNLOAD EXAMIANS APP
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