Power Electronics If the anode current is 800 A, then the amount of current required to turn off the GTO is about 200 A. 400 A. 600 A. 20 A. 200 A. 400 A. 600 A. 20 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power electronics essentially deals with control of a.c. power at ___________. 50 Hz frequency Frequencies above 20 kHz Frequencies less than 10 Hz Frequencies above 1000 kHz 50 Hz frequency Frequencies above 20 kHz Frequencies less than 10 Hz Frequencies above 1000 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Electronics For series connected SCR’s dynamic equalising circuit consists of series R and diode with C across R. R and C in series but with diode across R. series R and diode with C across R. R and C in series but with diode across C. series R and diode with C across R. R and C in series but with diode across R. series R and diode with C across R. R and C in series but with diode across C. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor is nothing but a Controlled switch. Controlled transistor. Amplifier with higher gain. Amplifier with large current gain. Controlled switch. Controlled transistor. Amplifier with higher gain. Amplifier with large current gain. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? None of these. Recovery is only 5 µs. Recovery is only 50 µs. Doping is carried out. None of these. Recovery is only 5 µs. Recovery is only 50 µs. Doping is carried out. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is both (A) and (B). of short duration. of long period. neither (A) nor (B). both (A) and (B). of short duration. of long period. neither (A) nor (B). ANSWER DOWNLOAD EXAMIANS APP
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