Power Electronics A thyristor will be triggered when Vg = 1.5 volt and Ig = 100 mA in the given figure. Calculate the value of R in ohm is 37.14. 65. 3.714. 60. 37.14. 65. 3.714. 60. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power MOSFET has three terminals called Drain, source and base. Drain, source and gate. Collector, emitter and base. Collector, emitter and gate. Drain, source and base. Drain, source and gate. Collector, emitter and base. Collector, emitter and gate. 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 3.0 ohm 0.3 ohm 0.03 ohm 0.3 ohm 3.0 ohm 0.3 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The reverse recovery time of diode is trr = 3 μs and the rate off all of the diode current is di/dt = 30 A/μs. The storage charge current QRR is 130 μs. 145 μs. 135 μs. 140 μs. 130 μs. 145 μs. 135 μs. 140 μs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR is considered to be a semi controlled device because it can be turned OFF but not ON with a gate pulse. it can be turned ON only during one half cycle of an AC. it can be turned ON but not OFF with a gate pulse. it conducts only during one half cycle of an alternating current wave. it can be turned OFF but not ON with a gate pulse. it can be turned ON only during one half cycle of an AC. it can be turned ON but not OFF with a gate pulse. it conducts only during one half cycle of an alternating current wave. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Practical way of obtaining static voltage equalization in series connected SCRs is by the use of resistors of the same value across each SCR. one resistor across the string. one resistor in series with each SCR. resistors of different values across each SCR. resistors of the same value across each SCR. one resistor across the string. one resistor in series with each SCR. resistors of different values across each SCR. ANSWER DOWNLOAD EXAMIANS APP
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