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 Which triggering is the most reliable? Thermal triggering. Gate triggering. Forward voltage triggering. dV / dt triggering. Thermal triggering. Gate triggering. Forward voltage triggering. dV / dt triggering. 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. RLC critically damped. RL. RLC overdamped. RLC underdamped. RLC critically damped. RL. RLC overdamped. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum power loss occurs during rise time. all. spread time. delay time. rise time. all. spread time. delay time. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Using CB and fuse. Use of snubber circuit. Using heat sink. Using equalizing circuit. Using CB and fuse. Use of snubber circuit. Using heat sink. Using equalizing circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? Recovery is only 5 µs. Recovery is only 50 µs. Doping is carried out. None of these. Recovery is only 5 µs. Recovery is only 50 µs. Doping is carried out. None of these. ANSWER DOWNLOAD EXAMIANS APP
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