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 80. 90. 60. 70. 80. 90. 60. 70. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If the anode current is 800 A, then the amount of current required to turn off the GTO is about 20 A. 400 A. 200 A. 600 A. 20 A. 400 A. 200 A. 600 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Switching frequency of SITH is 10 KHz. 60 KHz. 100 KHz. 5 KHz. 10 KHz. 60 KHz. 100 KHz. 5 KHz. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics For series connected SCR’s dynamic equalising circuit consists of series R and diode with C across R. series R and diode with C across R. R and C in series but with diode across C. R and C in series but with diode across R. series R and diode with C across R. series R and diode with C across R. R and C in series but with diode across C. R and C in series but with diode across R. 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 91.6 %. 76.3 %. 83.3 %. 90.9 %. 91.6 %. 76.3 %. 83.3 %. 90.9 %. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Light triggering mainly used in medium voltage direct current transmission. all of these. low - voltage direct current transmission. high voltage direct current transmission. medium voltage direct current transmission. all of these. low - voltage direct current transmission. high voltage direct current transmission. ANSWER DOWNLOAD EXAMIANS APP
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