Power Electronics During which time maximum conduction spreading take place in the thyristor during turn ON? Delay time. Same for every case. Rise time. Spread time. Delay time. Same for every case. Rise time. Spread time. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR is considered to be a semi controlled device because 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 but not OFF with a gate pulse. it can be turned ON only during one half cycle of an AC. 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 but not OFF with a gate pulse. it can be turned ON only during one half cycle of an AC. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is simply ___________. A single junction device A triac without gate terminal A three junction device None of these A single junction device A triac without gate terminal A three junction device None of these 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. 300 µs. 200 µs. 100 µs. 150 µs. 300 µs. 200 µs. 100 µs. 150 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCR will be turned off when anode current is both (A) and (B). less than holding current. < latching current but greater than holding current and gate signal is 0. < latching current but greater than holding current and gate signal is present. both (A) and (B). less than holding current. < latching current but greater than holding current and gate signal is 0. < latching current but greater than holding current and gate signal is present. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following is normally ON device SIT. IGBT. BJT. TRIAC. SIT. IGBT. BJT. TRIAC. ANSWER DOWNLOAD EXAMIANS APP