Power Electronics If a latching current for the circuit shown in figure is 2 mA. Obtain the value of minimum width of the property turn ON the SCR? 3 µs. 3.1 µs 3.3 µs 3.2 µs 3 µs. 3.1 µs 3.3 µs 3.2 µs ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR is considered to be a semi controlled device because 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. 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. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which triggering is the most reliable? Gate triggering. Forward voltage triggering. dV / dt triggering. Thermal triggering. Gate triggering. Forward voltage triggering. dV / dt triggering. Thermal triggering. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thermal voltage VT can be given by KT/q. (K2/q)(T + 1/T - 1). Kq/T. qT/K. KT/q. (K2/q)(T + 1/T - 1). Kq/T. qT/K. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Delay time is defined by the interval when anode voltage drops from 100 % to 90 % of its actual value. gate current increases from 90 % to 100 % of its final value. anode current reaches 10 % from forward leakage current. all of these. anode voltage drops from 100 % to 90 % of its actual value. gate current increases from 90 % to 100 % of its final value. anode current reaches 10 % from forward leakage current. all of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using heat sink. fuse. voltage clamping device. snubber circuit. heat sink. fuse. voltage clamping device. snubber circuit. ANSWER DOWNLOAD EXAMIANS APP