Power Electronics If holding current of a thyristor is 2 mA then latching current should be 0.002 A. 0.004 A. 0.01 A. 0.009 A. 0.002 A. 0.004 A. 0.01 A. 0.009 A. 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 90.9 %. 83.3 %. 76.3 %. 91.6 %. 90.9 %. 83.3 %. 76.3 %. 91.6 %. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics To meet high current demand we use SCRs in parallel connection. series connection. both B and C. anti parallel connection. parallel connection. series connection. both B and C. anti parallel connection. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase one pulse controlled circuit has a resistance R and counter emf E load 400 sin(314 t) as the source voltage. For a load counter emf of 200 V, the range of firing angle control is 30° to 180°. 30° to 150°. 60° to 120°. 60° to 180°. 30° to 180°. 30° to 150°. 60° to 120°. 60° to 180°. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After peak point, the UJT operates in the ___________ region. Cut-off Saturation None of these Negative resistance Cut-off Saturation None of these Negative resistance ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What happen due to high di / dt? None of these. Local hot spot. Breakdown of junction. Insulation failure. None of these. Local hot spot. Breakdown of junction. Insulation failure. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS