Power Electronics 4 thyristors rated 200 V in series. The operating voltage of the string is 0.600 V. Derating factor of the string is 0.7. 0.75. 0.2. 0.25. 0.7. 0.75. 0.2. 0.25. 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 ? 0.03 ohm 0.3 ohm 0.3 ohm 3.0 ohm 0.03 ohm 0.3 ohm 0.3 ohm 3.0 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Latching current for an SCR inserted between a dc voltage source of 200 V and load is 100 mA. Compute the minimum rate of width pulse required to turn ON the SCR in case load consists of R = 20 Ω in series with L = 0.2 H. 150 µs. 200 µs. 100 µs. 300 µs. 150 µs. 200 µs. 100 µs. 300 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be 6000 A. 4242.64 A. 1500 A. 2121.32 A. 6000 A. 4242.64 A. 1500 A. 2121.32 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power semiconductor may undergo damage due to High dv/dt. High di/dt. Low dv/dt. Low di/dt. High dv/dt. High di/dt. Low dv/dt. Low di/dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics BCT is used for High power current control. High power phase control. Low power phase control. Low power current control. High power current control. High power phase control. Low power phase control. Low power current control. ANSWER DOWNLOAD EXAMIANS APP
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