Power Electronics The latching current of SCR is 20 mA. Its holding current will be 40 mA. 23 mA. 60 mA. 10 mA. 40 mA. 23 mA. 60 mA. 10 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is a ___________ switch None of these Mechanical Unidirectional Bidirectional None of these Mechanical Unidirectional Bidirectional ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Using CB and fuse. Use of snubber circuit. Using equalizing circuit. Using heat sink. Using CB and fuse. Use of snubber circuit. Using equalizing circuit. Using heat sink. 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 long period. neither (A) nor (B). of short duration. both (A) and (B). of long period. neither (A) nor (B). of short duration. 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 110 A. 120 A. 100 A. 150 A. 110 A. 120 A. 100 A. 150 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If the anode current is 800 A, then the amount of current required to turn off the GTO is about 20 A. 200 A. 400 A. 600 A. 20 A. 200 A. 400 A. 600 A. ANSWER DOWNLOAD EXAMIANS APP
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