Power Electronics Practical way of obtaining static voltage equalization in series connected SCRs is by the use of one resistor in series with each SCR. resistors of different values across each SCR. one resistor across the string. resistors of the same value across each SCR. one resistor in series with each SCR. resistors of different values across each SCR. one resistor across the string. resistors of the same value across each SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics COOLMOS device can be used in application up to power range of 2 KVA. 1 KVA. 100 KVA. 500 VA. 2 KVA. 1 KVA. 100 KVA. 500 VA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following devices has highest di/dt and dv/dt capability? GTO. SIT. SCR. SITH. GTO. SIT. SCR. SITH. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Figure shows two thyristors rated 400 A sharing a load current. Current through T2 is 180A. Current through T1 will be 110 A. 100 A. 120 A. 150 A. 110 A. 100 A. 120 A. 150 A. 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 7, 5. 6, 4. 4, 6. 5, 7. 7, 5. 6, 4. 4, 6. 5, 7. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT is sometimes called ___________ diode. Double-base Low resistance High resistance Single-base Double-base Low resistance High resistance Single-base ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS