Power Electronics Practical way of obtaining static voltage equalization in series connected SCRs is by the use of one resistor across the string. one resistor in series with each SCR. resistors of the same value across each SCR. resistors of different values across each SCR. one resistor across the string. one resistor in series with each SCR. resistors of the same value across each SCR. resistors of different values across each SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase full bridge inverter can operated in load commutation mode in case load consist of RLC underdamped. RL. RLC critically damped. RLC overdamped. RLC underdamped. RL. RLC critically damped. RLC overdamped. 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 inductance is removed. Turn on. Turn on if pulse frequency us increased to two times. Not turn on. Turn on if inductance is removed. Turn on. Turn on if pulse frequency us increased to two times. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If holding current of a thyristor is 2 mA then latching current should be 0.004 A. 0.002 A. 0.009 A. 0.01 A. 0.004 A. 0.002 A. 0.009 A. 0.01 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The typical value of SCR for modern alternator is 1.2. 1.5. 1.0. 0.5. 1.2. 1.5. 1.0. 0.5. 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
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