Power Electronics Which of the following is used in SCR to protect from high dV / dt? Fuse. Snubber circuit. Equalizing circuit. Circuit breaker. Fuse. Snubber circuit. Equalizing circuit. Circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum di / dt in a SCR is inversely proportional to Vm of supply voltage. inversely proportional to L in the circuit. both A and C. directly proportional to Vm of supply voltage. inversely proportional to Vm of supply voltage. inversely proportional to L in the circuit. both A and C. directly proportional to Vm of supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following is normally ON device BJT. IGBT. SIT. TRIAC. BJT. IGBT. SIT. TRIAC. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor string is made of a no. of SCR connected in series and parallel. The string have volume and current of 11 KV and 4 KA. The voltage and current rating of available SCRs are 1800 V and 1000 A. For a string efficiency of 90 % let the number of SCRs in series and parallel are a and b respectively. Then the value of a and b will be 6, 4. 7, 5. 4, 6. 5, 7. 6, 4. 7, 5. 4, 6. 5, 7. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power MOSFET has three terminals called Collector, emitter and gate. Collector, emitter and base. Drain, source and gate. Drain, source and base. Collector, emitter and gate. Collector, emitter and base. Drain, source and gate. Drain, source and base. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Delay time is defined by the interval when anode voltage drops from 100 % to 90 % of its actual value. all of these. anode current reaches 10 % from forward leakage current. gate current increases from 90 % to 100 % of its final value. anode voltage drops from 100 % to 90 % of its actual value. all of these. anode current reaches 10 % from forward leakage current. gate current increases from 90 % to 100 % of its final value. ANSWER DOWNLOAD EXAMIANS APP
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