Power Electronics Practical way of obtaining static voltage equalization in series connected SCRs is by the use of resistors of different values across each SCR. one resistor in series with each SCR. resistors of the same value across each SCR. one resistor across the string. resistors of different values across each SCR. one resistor in series with each SCR. resistors of the same value across each SCR. one resistor across the string. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A GTO can be turned on by applying Positive drain signal. Positive gate signal. None of these. Positive source signal. Positive drain signal. Positive gate signal. None of these. Positive source signal. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which triggering is the most reliable? Thermal triggering. Forward voltage triggering. Gate triggering. dV / dt triggering. Thermal triggering. Forward voltage triggering. Gate triggering. dV / dt 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 ? Voltage clamping device. Snubber circuit. Fast acting current limiting device (FACL fuse). CB. Voltage clamping device. Snubber circuit. Fast acting current limiting device (FACL fuse). CB. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect a thyristor from high di / dt conditions? Fuse. Voltage clamping device. Inductor. Snubber circuit. Fuse. Voltage clamping device. Inductor. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT is sometimes called ___________ diode. Low resistance High resistance Double-base Single-base Low resistance High resistance Double-base Single-base ANSWER DOWNLOAD EXAMIANS APP
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