Power Electronics Thyristor can be protected from over voltages by using voltage clamping device. snubber circuit. fuse. heat sink. voltage clamping device. snubber circuit. fuse. heat sink. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thermal voltage VT can be given by KT/q. Kq/T. (K2/q)(T + 1/T - 1). qT/K. KT/q. Kq/T. (K2/q)(T + 1/T - 1). qT/K. 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. 4, 6. 6, 4. 5, 7. 7, 5. 4, 6. 6, 4. 5, 7. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SITH is also known as Filled controlled diode. None of these. Silicon controlled rectifier. Filled controlled rectifier. Filled controlled diode. None of these. Silicon controlled rectifier. Filled controlled rectifier. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is of short duration. both (A) and (B). neither (A) nor (B). of long period. of short duration. both (A) and (B). neither (A) nor (B). of long period. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ terminals. Two None of these Four Three Two None of these Four Three ANSWER DOWNLOAD EXAMIANS APP