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 83.3 %. 91.6 %. 76.3 %. 90.9 %. 83.3 %. 91.6 %. 76.3 %. 90.9 %. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Under normal operating condition voltage clamping device offers impedance of zero value. low value. moderate value. high value. zero value. low value. moderate value. high value. 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 Not turn on. Turn on. Turn on if inductance is removed. Turn on if pulse frequency us increased to two times. Not turn on. Turn on. Turn on if inductance is removed. Turn on if pulse frequency us increased to two times. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During which time maximum conduction spreading take place in the thyristor during turn ON? Spread time. Delay time. Same for every case. Rise time. Spread time. Delay time. Same for every case. Rise time. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which statement is true for latching current ? Both C and D. It is related to conduction process of device. It is related to turn on process of the device. It is related to turn off process of the device. Both C and D. It is related to conduction process of device. It is related to turn on process of the device. It is related to turn off process of the device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT is sometimes called ___________ diode. Single-base Double-base Low resistance High resistance Single-base Double-base Low resistance High resistance ANSWER DOWNLOAD EXAMIANS APP
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