Power Electronics Thyristor can be protected from over voltages by using snubber circuit. heat sink. fuse. voltage clamping device. snubber circuit. heat sink. fuse. voltage clamping device. 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. 300 µs. 100 µs. 150 µs. 200 µs. 300 µs. 100 µs. 150 µs. 200 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thermal voltage VT can be given by KT/q. (K2/q)(T + 1/T - 1). qT/K. Kq/T. KT/q. (K2/q)(T + 1/T - 1). qT/K. Kq/T. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In forward blocking mode of a thyristor junction J3 is in forward bias and J1, J2 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J3 is in forward bias and J1, J2 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After proper turn on of thyristor 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. gate signal must be removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The function of snubber circuit connected across the SCR is to suppress dV / dt. decrease di / dt. increase dV / dt. decrease dV / dt. suppress dV / dt. decrease di / dt. increase dV / dt. decrease dV / dt. ANSWER DOWNLOAD EXAMIANS APP
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