Power Electronics A thyristor will be triggered when Vg = 1.5 volt and Ig = 100 mA in the given figure. Calculate the value of R in ohm is 65. 3.714. 37.14. 60. 65. 3.714. 37.14. 60. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The maximum di/dt in a SCR is Directly proportional to inductance in the circuit. Inversely proportional to supply voltage. Both A and B. Directly proportional to supply voltage. Directly proportional to inductance in the circuit. Inversely proportional to supply voltage. Both A and B. Directly proportional to supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using heat sink. voltage clamping device. snubber circuit. fuse. heat sink. voltage clamping device. snubber circuit. fuse. 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 90. 70. 80. 60. 90. 70. 80. 60. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac can pass a portion of ___________ half-cycle through the load. Only negative Only positive None of these Both positive and negative Only negative Only positive None of these Both positive and negative ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum power loss occurs during spread time. rise time. all. delay time. spread time. rise time. all. delay time. ANSWER DOWNLOAD EXAMIANS APP
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