Power Electronics The maximum di/dt in a SCR is Directly proportional to inductance in the circuit. Inversely proportional to supply voltage. Both A and B. Directly proportional to supply voltage. Directly proportional to inductance in the circuit. Inversely proportional to supply voltage. Both A and B. Directly proportional to supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Practical way of obtaining static voltage equalization in series connected SCRs is by the use of one resistor across the string. one resistor in series with each SCR. resistors of different values across each SCR. resistors of the same value across each SCR. one resistor across the string. one resistor in series with each SCR. resistors of different values across each SCR. resistors of the same value across each SCR. 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). CB. Voltage clamping device. Snubber circuit. Fast acting current limiting device (FACL fuse). CB. Voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following devices has highest di/dt and dv/dt capability? SCR. SIT. GTO. SITH. SCR. SIT. GTO. SITH. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. Extremely low High Low None of these Extremely low High Low None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SITH is also known as None of these. Silicon controlled rectifier. Filled controlled rectifier. Filled controlled diode. None of these. Silicon controlled rectifier. Filled controlled rectifier. Filled controlled diode. ANSWER DOWNLOAD EXAMIANS APP