Power Electronics By which one of the following we can measure the reliability of a string? Reliability factor. Factor of safety. String efficient. Derating factor. Reliability factor. Factor of safety. String efficient. Derating factor. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Calculate the maximum voltage that can be safely blocked by the string shown in figure, if maximum allowable leakage current is 2 mA? 8 KV. 2 KV. 10 KV. 6 KV. 8 KV. 2 KV. 10 KV. 6 KV. 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 4, 6. 5, 7. 6, 4. 7, 5. 4, 6. 5, 7. 6, 4. 7, 5. 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 %. 91.6 %. 76.3 %. 90.9 %. 83.3 %. 91.6 %. 76.3 %. 90.9 %. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Figure shows two thyristors rated 400 A sharing a load current. Current through T2 is 180A. Current through T1 will be 120 A. 150 A. 100 A. 110 A. 120 A. 150 A. 100 A. 110 A. ANSWER DOWNLOAD EXAMIANS APP
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