Power Electronics What happen due to high di / dt? Insulation failure. None of these. Local hot spot. Breakdown of junction. Insulation failure. None of these. Local hot spot. Breakdown of junction. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Switching frequency of SITH is 100 KHz. 10 KHz. 5 KHz. 60 KHz. 100 KHz. 10 KHz. 5 KHz. 60 KHz. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The latching current of SCR is 20 mA. Its holding current will be 40 mA. 23 mA. 10 mA. 60 mA. 40 mA. 23 mA. 10 mA. 60 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During which time maximum conduction spreading take place in the thyristor during turn ON? Rise time. Delay time. Spread time. Same for every case. Rise time. Delay time. Spread time. Same for every case. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum di / dt in a SCR is 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. inversely proportional to Vm of supply voltage. directly proportional to Vm of supply voltage. inversely proportional to L in the circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase one pulse controlled circuit has a resistance R and counter emf E load 400 sin(314 t) as the source voltage. For a load counter emf of 200 V, the range of firing angle control is 30° to 180°. 60° to 120°. 60° to 180°. 30° to 150°. 30° to 180°. 60° to 120°. 60° to 180°. 30° to 150°. ANSWER DOWNLOAD EXAMIANS APP
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