Power Electronics 4 thyristors rated 200 V in series. The operating voltage of the string is 0.600 V. Derating factor of the string is 0.7. 0.75. 0.2. 0.25. 0.7. 0.75. 0.2. 0.25. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In reverse blocking mode of a thyristor junction J3 is in forward bias and J1, J2 in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J1, J3 is in reverse bias and J2 is in forward bias. junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J3 is in forward bias and J1, J2 in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J1, J3 is in reverse bias and J2 is in forward bias. junction J1 and J2 is in forward bias and J3 is in reverse bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is equivalent to two SCRs ___________. In parallel None of these In inverse-parallel In series In parallel None of these In inverse-parallel In series ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following is normally ON device IGBT. SIT. BJT. TRIAC. IGBT. SIT. BJT. TRIAC. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which triggering is the most reliable? Forward voltage triggering. Gate triggering. dV / dt triggering. Thermal triggering. Forward voltage triggering. Gate triggering. dV / dt triggering. Thermal triggering. 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
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