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 %. 90.9 %. 91.6 %. 83.3 %. 76.3 %. 90.9 %. 91.6 %. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum power loss occurs during spread time. rise time. all. delay time. spread time. rise time. all. delay time. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Anode current in an SCR consists of electrons only. either electron or holes. holes only. Both electron and holes. electrons only. either electron or holes. holes only. Both electron and holes. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The typical time of rising time lies between 1 - 4 µs. 10 - 20 µs. 90 - 100 µs. 40 - 60 µs. 1 - 4 µs. 10 - 20 µs. 90 - 100 µs. 40 - 60 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The maximum di/dt in a SCR is Directly proportional to inductance in the circuit. Both A and B. Inversely proportional to supply voltage. Directly proportional to supply voltage. Directly proportional to inductance in the circuit. Both A and B. Inversely proportional to supply voltage. Directly proportional to supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch A d.c. None of these An c. A mechanical A d.c. None of these An c. A mechanical ANSWER DOWNLOAD EXAMIANS APP
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