Power Electronics The latching current of SCR is 20 mA. Its holding current will be 40 mA. 60 mA. 23 mA. 10 mA. 40 mA. 60 mA. 23 mA. 10 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a large surge current of very short duration flows through a thyristor then which one of the following device will operate to protect the thyristor ? Fast acting current limiting device (FACL fuse). CB. Voltage clamping device. Snubber circuit. Fast acting current limiting device (FACL fuse). CB. Voltage clamping device. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 60 thyrsistors are connected in series and parallel to form a 10 KV and 5.5 KA switch. Each thyristor is rated for 1.2 KV, 1 KA. The no. of parallel path are 6. The efficiency of the switch is 76.3 %. 91.6 %. 83.3 %. 90.9 %. 76.3 %. 91.6 %. 83.3 %. 90.9 %. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The device that does not have the gate terminal is ___________. SCR Diac FET Triac SCR Diac FET Triac ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Delay time is defined by the interval when gate current increases from 90 % to 100 % of its final value. all of these. anode current reaches 10 % from forward leakage current. anode voltage drops from 100 % to 90 % of its actual value. gate current increases from 90 % to 100 % of its final value. all of these. anode current reaches 10 % from forward leakage current. anode voltage drops from 100 % to 90 % of its actual value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR is considered to be a semi controlled device because it can be turned ON only during one half cycle of an AC. it conducts only during one half cycle of an alternating current wave. 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 can be turned ON only during one half cycle of an AC. it conducts only during one half cycle of an alternating current wave. it can be turned OFF but not ON with a gate pulse. it can be turned ON but not OFF with a gate pulse. ANSWER DOWNLOAD EXAMIANS APP
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