Power Electronics Gate circuit or triggering circuit of a thyristor is high power circuit. magnetic circuit. may be low power or high power circuit. lower power circuit. high power circuit. magnetic circuit. may be low power or high power circuit. lower power 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 ? 3.0 ohm 0.03 ohm 0.3 ohm 0.3 ohm 3.0 ohm 0.03 ohm 0.3 ohm 0.3 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What may happen high dV / dt? Both A and B. Anyone of these. Breakdown of J2 junction. Unwanted turn ON. Both A and B. Anyone of these. Breakdown of J2 junction. Unwanted turn ON. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac can pass a portion of ___________ half-cycle through the load. Only positive None of these Only negative Both positive and negative Only positive None of these Only negative Both positive and negative ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During which time maximum conduction spreading take place in the thyristor during turn ON? Spread time. Delay time. Rise time. Same for every case. Spread time. Delay time. Rise time. Same for every case. 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 108 ohm 111.9 ohm 115 ohm 11.19 ohm 108 ohm 111.9 ohm 115 ohm ANSWER DOWNLOAD EXAMIANS APP