Power Electronics Snubber circuit is used with SCR in series. either series or parallel. anti parallel. in parallel. in series. either series or parallel. anti parallel. in parallel. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is neither (A) nor (B). both (A) and (B). of long period. of short duration. neither (A) nor (B). both (A) and (B). of long period. of short duration. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac can pass a portion of ___________ half-cycle through the load. Only negative None of these Both positive and negative Only positive Only negative None of these Both positive and negative Only positive ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Leakage current flows through the thyristor in both forward and reverse blocking mode. reverse blocking mode. forward conduction mode. forward blocking mode. both forward and reverse blocking mode. reverse blocking mode. forward conduction mode. forward blocking mode. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Figure shows two thyristors rated 400 A sharing a load current. Current through T2 is 180A. Current through T1 will be 100 A. 150 A. 110 A. 120 A. 100 A. 150 A. 110 A. 120 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A 200 A thyristor is to be operated in parallel with a 300 A thyristor. The ON state voltage drops are 1.5 V and 1.2 Volts. What is the value of resistance R to be connected in series with each thyristor, so that current through the combination is 500 A and each of them is fully loaded ? 3.0 ohm 0.3 ohm 0.3 ohm 0.03 ohm 3.0 ohm 0.3 ohm 0.3 ohm 0.03 ohm ANSWER DOWNLOAD EXAMIANS APP
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