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. one resistor across the string. resistors of the same value across each SCR. resistors of different values across each SCR. one resistor in series with each SCR. one resistor across the string. resistors of the same value across each SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The latching current of GTO should be of order 100 mA. 1 A. 2 A. 500 mA. 100 mA. 1 A. 2 A. 500 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Light triggering mainly used in medium voltage direct current transmission. low - voltage direct current transmission. high voltage direct current transmission. all of these. medium voltage direct current transmission. low - voltage direct current transmission. high voltage direct current transmission. all of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Is increased Is decreased Remains the same None of these Is increased Is decreased Remains the same None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum di / dt in a SCR is both A and C. directly proportional to Vm of supply voltage. inversely proportional to Vm of supply voltage. inversely proportional to L in the circuit. both A and C. directly proportional to Vm of supply voltage. inversely proportional to Vm of supply voltage. inversely proportional to L in the 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. 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
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