Power Electronics A triac is a ___________ switch Bidirectional Mechanical Unidirectional None of these Bidirectional Mechanical Unidirectional None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch An c. None of these A mechanical A d.c. An c. None of these A mechanical A d.c. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using fuse. voltage clamping device. heat sink. snubber circuit. fuse. voltage clamping device. heat sink. snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in SCR to protect from high dV / dt? Circuit breaker. Equalizing circuit. Snubber circuit. Fuse. Circuit breaker. Equalizing circuit. Snubber circuit. Fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be 4242.64 A. 6000 A. 2121.32 A. 1500 A. 4242.64 A. 6000 A. 2121.32 A. 1500 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 60 thyrsistors are connected in series and parallel to form a 10 KV and 5.5 KA switch. Each thyristor is rated for 1.2 KV, 1 KA. The no. of parallel path are 6. The efficiency of the switch is 83.3 %. 76.3 %. 91.6 %. 90.9 %. 83.3 %. 76.3 %. 91.6 %. 90.9 %. ANSWER DOWNLOAD EXAMIANS APP
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