Power Electronics Which of the following is used in SCR to protect from high dV / dt? Circuit breaker. Snubber circuit. Fuse. Equalizing circuit. Circuit breaker. Snubber circuit. Fuse. Equalizing circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Under over voltage condition impedance offered by the voltage clamping device is low. moderate. high. infinity. low. moderate. high. infinity. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If a latching current for the circuit shown in figure is 2 mA. Obtain the value of minimum width of the property turn ON the SCR? 3 µs. 3.2 µs 3.3 µs 3.1 µs 3 µs. 3.2 µs 3.3 µs 3.1 µs ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After peak point, the UJT operates in the ___________ region. Negative resistance None of these Cut-off Saturation Negative resistance None of these Cut-off Saturation ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac has ___________ semiconductor layers. Five Two Three Four Five Two Three Four 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. CB. Fast acting current limiting device (FACL fuse). Voltage clamping device. Snubber circuit. CB. Fast acting current limiting device (FACL fuse). Voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS