Power Electronics A GTO can be turned on by applying Positive drain signal. None of these. Positive source signal. Positive gate signal. Positive drain signal. None of these. Positive source signal. Positive gate signal. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The function of snubber circuit connected across the SCR is to decrease dV / dt. suppress dV / dt. decrease di / dt. increase dV / dt. decrease dV / dt. suppress dV / dt. decrease di / dt. increase dV / dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power semiconductor may undergo damage due to High dv/dt. Low di/dt. High di/dt. Low dv/dt. High dv/dt. Low di/dt. High di/dt. Low dv/dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After proper turn on of thyristor gate signal must be removed. None of these gate signal is always present. gate signal should present but can be removed. gate signal must be removed. None of these gate signal is always present. gate signal should present but can be removed. 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. 150 µs. 200 µs. 100 µs. 300 µs. 150 µs. 200 µs. 100 µs. 300 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Using equalizing circuit. Using CB and fuse. Using heat sink. Use of snubber circuit. Using equalizing circuit. Using CB and fuse. Using heat sink. Use of snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
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