Power Electronics The latching current of GTO should be of order 500 mA. 100 mA. 2 A. 1 A. 500 mA. 100 mA. 2 A. 1 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The reverse recovery time of diode is trr = 3 μs and the rate off all of the diode current is di/dt = 30 A/μs. The storage charge current QRR is 140 μs. 135 μs. 145 μs. 130 μs. 140 μs. 135 μs. 145 μs. 130 μs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR is considered to be a semi controlled device because it can be turned ON but not OFF with a gate pulse. it conducts only during one half cycle of an alternating current wave. it can be turned ON only during one half cycle of an AC. it can be turned OFF but not ON with a gate pulse. it can be turned ON but not OFF with a gate pulse. it conducts only during one half cycle of an alternating current wave. it can be turned ON only during one half cycle of an AC. it can be turned OFF but not ON with a gate pulse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? To minimize the charging current. All of these. To minimize the loss . To minimize the discharging current. To minimize the charging current. All of these. To minimize the loss . To minimize the discharging current. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Using heat sink. Using CB and fuse. Using equalizing circuit. Use of snubber circuit. Using heat sink. Using CB and fuse. Using equalizing circuit. Use of snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics By which one of the following we can measure the reliability of a string? Factor of safety. Derating factor. String efficient. Reliability factor. Factor of safety. Derating factor. String efficient. Reliability factor. ANSWER DOWNLOAD EXAMIANS APP