Power Electronics During which time maximum conduction spreading take place in the thyristor during turn ON? Delay time. Same for every case. Spread time. Rise time. Delay time. Same for every case. Spread time. Rise time. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics By which one of the following we can measure the reliability of a string? Derating factor. Factor of safety. String efficient. Reliability factor. Derating factor. Factor of safety. String efficient. Reliability factor. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Between the peak point and the valley point of UJT emitter characteristics we have ___________ region None of these Saturation Cut-off Negative resistance None of these Saturation Cut-off Negative resistance ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is of long period. neither (A) nor (B). both (A) and (B). of short duration. of long period. neither (A) nor (B). both (A) and (B). of short duration. 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. 100 µs. 200 µs. 300 µs. 150 µs. 100 µs. 200 µs. 300 µs. 150 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The function of snubber circuit connected across the SCR is to decrease dV / dt. increase dV / dt. suppress dV / dt. decrease di / dt. decrease dV / dt. increase dV / dt. suppress dV / dt. decrease di / dt. ANSWER DOWNLOAD EXAMIANS APP
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