Power Electronics Which of following is normally ON device SIT. BJT. IGBT. TRIAC. SIT. BJT. IGBT. TRIAC. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 60 thyrsistors are connected in series and parallel to form a 10 KV and 5.5 KA switch. Each thyristor is rated for 1.2 KV, 1 KA. The no. of parallel path are 6. The efficiency of the switch is 90.9 %. 76.3 %. 83.3 %. 91.6 %. 90.9 %. 76.3 %. 83.3 %. 91.6 %. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ pn junctions None of these Four Two Three None of these Four Two Three ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac has ___________ semiconductor layers. Four Five Three Two Four Five Three Two ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? 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. Recovery is only 5 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The reverse recovery time of diode is trr = 3 μs and the rate off all of the diode current is di/dt = 30 A/μs. The storage charge current QRR is 130 μs. 145 μs. 140 μs. 135 μs. 130 μs. 145 μs. 140 μs. 135 μs. ANSWER DOWNLOAD EXAMIANS APP
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