Power Electronics Which of the following is used in heat sink? Iron. Aluminium. Carbon. Silver. Iron. Aluminium. Carbon. Silver. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A string of n parallel SCRs is operated at 72 KA, the rating of each SCR is 1 KA. If derating factor of the string is 0.1. Then calculate the value of n 60. 90. 70. 80. 60. 90. 70. 80. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect a thyristor from high di / dt conditions? Voltage clamping device. Fuse. Inductor. Snubber circuit. Voltage clamping device. Fuse. Inductor. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a large surge current of very short duration flows through a thyristor then which one of the following device will operate to protect the thyristor ? Snubber circuit. Fast acting current limiting device (FACL fuse). Voltage clamping device. CB. Snubber circuit. Fast acting current limiting device (FACL fuse). Voltage clamping device. CB. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During which time maximum conduction spreading take place in the thyristor during turn ON? Same for every case. Spread time. Rise time. Delay time. Same for every case. Spread time. Rise time. Delay time. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SITH is also known as Silicon controlled rectifier. Filled controlled rectifier. None of these. Filled controlled diode. Silicon controlled rectifier. Filled controlled rectifier. None of these. Filled controlled diode. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS