Power Electronics Figure shows two thyristors rated 400 A sharing a load current. Current through T2 is 180A. Current through T1 will be 150 A. 110 A. 100 A. 120 A. 150 A. 110 A. 100 A. 120 A. 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 70. 60. 90. 80. 70. 60. 90. 80. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Latching current for an SCR inserted between a dc voltage source of 200 V and load is 100 mA. Compute the minimum rate of width pulse required to turn ON the SCR in case load consists of R = 20 Ω in series with L = 0.2 H. 200 µs. 150 µs. 100 µs. 300 µs. 200 µs. 150 µs. 100 µs. 300 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After proper turn on of thyristor gate signal must be removed. gate signal is always present. None of these gate signal should present but can be removed. gate signal must be removed. gate signal is always present. None of these gate signal should present but can be removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in heat sink? Iron. Carbon. Aluminium. Silver. Iron. Carbon. Aluminium. Silver. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using fuse. heat sink. snubber circuit. voltage clamping device. fuse. heat sink. snubber circuit. voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
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