Power Electronics COOLMOS device can be used in application up to power range of 100 KVA. 500 VA. 1 KVA. 2 KVA. 100 KVA. 500 VA. 1 KVA. 2 KVA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which anode current rises from 10 % to 90 % of its final value. anode voltage drops from 10 % of its initial value to zero. both (A) and (B). anode current rises from 90 % to its final value. anode current rises from 10 % to 90 % of its final value. anode voltage drops from 10 % of its initial value to zero. both (A) and (B). anode current rises from 90 % to its final value. 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 7, 5. 6, 4. 5, 7. 4, 6. 7, 5. 6, 4. 5, 7. 4, 6. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ pn junctions Two Four Three None of these Two Four Three None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A string of n parallel SCRs is operated at 72 KA, the rating of each SCR is 1 KA. If derating factor of the string is 0.1. Then calculate the value of n 60. 90. 70. 80. 60. 90. 70. 80. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The function of snubber circuit connected across the SCR is to increase dV / dt. decrease di / dt. decrease dV / dt. suppress dV / dt. increase dV / dt. decrease di / dt. decrease dV / dt. suppress dV / dt. ANSWER DOWNLOAD EXAMIANS APP
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