Power Electronics A GTO can be turned on by applying Positive drain signal. Positive source signal. None of these. Positive gate signal. Positive drain signal. Positive source signal. None of these. Positive gate signal. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCRs are used in series to meet high current demand. high voltage demand. low current demand. low voltage demand. high current demand. high voltage demand. low current demand. low voltage demand. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If the anode current is 800 A, then the amount of current required to turn off the GTO is about 200 A. 20 A. 400 A. 600 A. 200 A. 20 A. 400 A. 600 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Calculate the maximum voltage that can be safely blocked by the string shown in figure, if maximum allowable leakage current is 2 mA? 8 KV. 2 KV. 10 KV. 6 KV. 8 KV. 2 KV. 10 KV. 6 KV. 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 5, 7. 4, 6. 7, 5. 6, 4. 5, 7. 4, 6. 7, 5. 6, 4. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During gate recovery time charge carriers of J3 junction is removed. charge carriers of J2 junction recombined. charge carrier of J1 junction removed. charge carriers of J2 junction is swept out. charge carriers of J3 junction is removed. charge carriers of J2 junction recombined. charge carrier of J1 junction removed. charge carriers of J2 junction is swept out. ANSWER DOWNLOAD EXAMIANS APP