Power Electronics Power electronics essentially deals with control of a.c. power at ___________. 50 Hz frequency Frequencies less than 10 Hz Frequencies above 20 kHz Frequencies above 1000 kHz 50 Hz frequency Frequencies less than 10 Hz Frequencies above 20 kHz Frequencies above 1000 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A GTO can be turned on by applying Positive source signal. None of these. Positive drain signal. Positive gate signal. Positive source signal. None of these. Positive drain signal. Positive gate signal. 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? 1000 V/µs. 600 V/µs. 1200 V/µs. 800 V/µs. 1000 V/µs. 600 V/µs. 1200 V/µs. 800 V/µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase full bridge inverter can operate in load commutation mode in case load consists of RLC overdamped. RL. RLC critically damped. RLC underdamped. RLC overdamped. RL. RLC critically damped. RLC underdamped. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Gate circuit or triggering circuit of a thyristor is may be low power or high power circuit. magnetic circuit. high power circuit. lower power circuit. may be low power or high power circuit. magnetic circuit. high power circuit. lower power circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If holding current of a thyristor is 2 mA then latching current should be 0.004 A. 0.01 A. 0.002 A. 0.009 A. 0.004 A. 0.01 A. 0.002 A. 0.009 A. ANSWER DOWNLOAD EXAMIANS APP