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. 100 µs. 300 µs. 200 µs. 150 µs. 100 µs. 300 µs. 200 µs. 150 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During reverse recovery time charge carrier of junction J1 is swept out. charge carrier of junction J2 recombined. charge carrier of junction J3 is swept out. both B and C. charge carrier of junction J1 is swept out. charge carrier of junction J2 recombined. charge carrier of junction J3 is swept out. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The typical time of rising time lies between 40 - 60 µs. 10 - 20 µs. 90 - 100 µs. 1 - 4 µs. 40 - 60 µs. 10 - 20 µs. 90 - 100 µs. 1 - 4 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thermal voltage VT can be given by qT/K. (K2/q)(T + 1/T - 1). Kq/T. KT/q. qT/K. (K2/q)(T + 1/T - 1). Kq/T. KT/q. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The latching current of GTO should be of order 1 A. 100 mA. 500 mA. 2 A. 1 A. 100 mA. 500 mA. 2 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The function of snubber circuit connected across the SCR is to increase dV / dt. decrease di / dt. decrease dV / dt. suppress dV / dt. increase dV / dt. decrease di / dt. decrease dV / dt. suppress dV / dt. ANSWER DOWNLOAD EXAMIANS APP
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