Power Electronics How can we protect SCR from thermal conditions ? Using heat sink. Using equalizing circuit. Using CB and fuse. Use of snubber circuit. Using heat sink. Using equalizing circuit. Using CB and fuse. Use of snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A 200 A thyristor is to be operated in parallel with a 300 A thyristor. The ON state voltage drops are 1.5 V and 1.2 Volts. What is the value of resistance R to be connected in series with each thyristor, so that current through the combination is 500 A and each of them is fully loaded ? 0.03 ohm 0.3 ohm 3.0 ohm 0.3 ohm 0.03 ohm 0.3 ohm 3.0 ohm 0.3 ohm 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. 70. 90. 80. 60. 70. 90. 80. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics For an SCR gate cathode characteristic is a straight line of 130. For triggered source volume of 15 V and allowable gate power dissipation of 0.5 W compute the gate source resistance? 11.19 ohm 115 ohm 108 ohm 111.9 ohm 11.19 ohm 115 ohm 108 ohm 111.9 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Light triggering mainly used in medium voltage direct current transmission. low - voltage direct current transmission. all of these. high voltage direct current transmission. medium voltage direct current transmission. low - voltage direct current transmission. all of these. high voltage direct current transmission. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics BCT is used for Low power phase control. High power phase control. Low power current control. High power current control. Low power phase control. High power phase control. Low power current control. High power current control. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS