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. 100 µs. 150 µs. 300 µs. 200 µs. 100 µs. 150 µs. 300 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.45. 0.27. 0.67. 0.32. 0.45. 0.27. 0.67. 0.32. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics BCT is used for High power current control. High power phase control. Low power phase control. Low power current control. High power current control. High power phase control. Low power phase control. Low power current control. 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 80. 60. 70. 90. 80. 60. 70. 90. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What may happen high dV / dt? Unwanted turn ON. Anyone of these. Both A and B. Breakdown of J2 junction. Unwanted turn ON. Anyone of these. Both A and B. Breakdown of J2 junction. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The device that exhibits negative resistance region is ___________. Triac UJT Diac Transistor Triac UJT Diac Transistor ANSWER DOWNLOAD EXAMIANS APP
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