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 %. 76.3 %. 91.6 %. 83.3 %. 90.9 %. 76.3 %. 91.6 %. 83.3 %. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Compared to transistor, ______________ have lower on state conduction losses and higher power handling capability MOSFETs. TRIACs. Semi conductor diodes. Thyristor. MOSFETs. TRIACs. Semi conductor diodes. Thyristor. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which triggering is the most reliable? dV / dt triggering. Gate triggering. Thermal triggering. Forward voltage triggering. dV / dt triggering. Gate triggering. Thermal triggering. Forward voltage triggering. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The turn-on time of an SCR with inductive load is 20 µs. The puls train frequency is 2.5 KHz with a mark/space ratio of 1/10, then SCR will Turn on if inductance is removed. Turn on if pulse frequency us increased to two times. Turn on. Not turn on. Turn on if inductance is removed. Turn on if pulse frequency us increased to two times. Turn on. Not turn on. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The latching current of GTO should be of order 500 mA. 100 mA. 1 A. 2 A. 500 mA. 100 mA. 1 A. 2 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac has ___________ semiconductor layers. Four Two Three Five Four Two Three Five ANSWER DOWNLOAD EXAMIANS APP
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