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. 100 A. 150 A. 120 A. 110 A. 100 A. 150 A. 120 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The turn-on time of an SCR with inductive load is 20 µs. The puls train frequency is 2.5 KHz with a mark/space ratio of 1/10, then SCR will Not turn on. Turn on if pulse frequency us increased to two times. Turn on. Turn on if inductance is removed. Not turn on. Turn on if pulse frequency us increased to two times. Turn on. Turn on if inductance is removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? To minimize the loss . To minimize the charging current. All of these. To minimize the discharging current. To minimize the loss . To minimize the charging current. All of these. To minimize the discharging current. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Use of snubber circuit. Using CB and fuse. Using heat sink. Using equalizing circuit. Use of snubber circuit. Using CB and fuse. Using heat sink. Using equalizing circuit. 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 400 A. 600 A. 200 A. 20 A. 400 A. 600 A. 200 A. 20 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The device that does not have the gate terminal is ___________. Triac FET Diac SCR Triac FET Diac SCR ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS