Power Electronics During which time maximum conduction spreading take place in the thyristor during turn ON? Same for every case. Rise time. Spread time. Delay time. Same for every case. Rise time. Spread time. Delay time. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What happen due to high di / dt? Insulation failure. Local hot spot. None of these. Breakdown of junction. Insulation failure. Local hot spot. None of these. Breakdown of junction. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following devices has highest di/dt and dv/dt capability? SIT. SITH. SCR. GTO. SIT. SITH. SCR. GTO. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum di / dt in a SCR is inversely proportional to Vm of supply voltage. directly proportional to Vm of supply voltage. inversely proportional to L in the circuit. both A and C. inversely proportional to Vm of supply voltage. directly proportional to Vm of supply voltage. inversely proportional to L in the circuit. both A and C. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? Recovery is only 5 µs. Recovery is only 50 µs. None of these. Doping is carried out. Recovery is only 5 µs. Recovery is only 50 µs. None of these. Doping is carried out. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During reverse recovery time charge carrier of junction J3 is swept out. charge carrier of junction J1 is swept out. charge carrier of junction J2 recombined. both B and C. charge carrier of junction J3 is swept out. charge carrier of junction J1 is swept out. charge carrier of junction J2 recombined. both B and C. ANSWER DOWNLOAD EXAMIANS APP
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