Power Electronics If holding current of a thyristor is 2 mA then latching current should be 0.009 A. 0.002 A. 0.01 A. 0.004 A. 0.009 A. 0.002 A. 0.01 A. 0.004 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The capacitance of reversed bised junction J2 in a thyristor is CJ2 = 20 pF and can be assumed to be independant of the off state voltage. The limiting value of the charging current to turn on the thyristor is 16 mA. What is the critical value of dv/dt? 800 V/µs. 1200 V/µs. 600 V/µs. 1000 V/µs. 800 V/µs. 1200 V/µs. 600 V/µs. 1000 V/µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The typical value of SCR for modern alternator is 1.2. 1.0. 0.5. 1.5. 1.2. 1.0. 0.5. 1.5. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch An c. A d.c. A mechanical None of these An c. A d.c. A mechanical None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? All of these. To minimize the loss . To minimize the charging current. To minimize the discharging current. All of these. To minimize the loss . To minimize the charging current. To minimize the discharging current. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In forward blocking mode of a thyristor Junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J3 is in forward bias and J1, J2 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J3 is in forward bias and J1, J2 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS