Power Electronics What is used to protect the SCR from over current ? Heat sink. Snubber circuit. CB and fuse. Voltage clamping device. Heat sink. Snubber circuit. CB and fuse. Voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Compared to transistor, ______________ have lower on state conduction losses and higher power handling capability Thyristor. Semi conductor diodes. MOSFETs. TRIACs. Thyristor. Semi conductor diodes. MOSFETs. TRIACs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in SCR to protect from high dV / dt? Fuse. Equalizing circuit. Snubber circuit. Circuit breaker. Fuse. Equalizing circuit. Snubber circuit. Circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A 200 A thyristor is to be operated in parallel with a 300 A thyristor. The ON state voltage drops are 1.5 V and 1.2 Volts. What is the value of resistance R to be connected in series with each thyristor, so that current through the combination is 500 A and each of them is fully loaded ? 0.3 ohm 0.03 ohm 0.3 ohm 3.0 ohm 0.3 ohm 0.03 ohm 0.3 ohm 3.0 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Light triggering mainly used in low - voltage direct current transmission. high voltage direct current transmission. all of these. medium voltage direct current transmission. low - voltage direct current transmission. high voltage direct current transmission. all of these. medium voltage direct current transmission. 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 %. 76.3 %. 83.3 %. 91.6 %. 90.9 %. 76.3 %. 83.3 %. 91.6 %. ANSWER DOWNLOAD EXAMIANS APP
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