Power Electronics Which of following devices has highest di/dt and dv/dt capability? SCR. SITH. SIT. GTO. SCR. SITH. SIT. GTO. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor string is made of a no. of SCR connected in series and parallel. The string have volume and current of 11 KV and 4 KA. The voltage and current rating of available SCRs are 1800 V and 1000 A. For a string efficiency of 90 % let the number of SCRs in series and parallel are a and b respectively. Then the value of a and b will be 4, 6. 6, 4. 5, 7. 7, 5. 4, 6. 6, 4. 5, 7. 7, 5. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During which time maximum conduction spreading take place in the thyristor during turn ON? Spread time. Rise time. Delay time. Same for every case. Spread time. Rise time. Delay time. Same for every case. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After peak point, the UJT operates in the ___________ region. Saturation Negative resistance Cut-off None of these Saturation Negative resistance Cut-off None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The typical time of rising time lies between 90 - 100 µs. 1 - 4 µs. 10 - 20 µs. 40 - 60 µs. 90 - 100 µs. 1 - 4 µs. 10 - 20 µs. 40 - 60 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following is normally ON device BJT. IGBT. SIT. TRIAC. BJT. IGBT. SIT. TRIAC. ANSWER DOWNLOAD EXAMIANS APP
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