Power Electronics Practical way of obtaining static voltage equalization in series connected SCRs is by the use of resistors of the same value across each SCR. one resistor in series with each SCR. one resistor across the string. resistors of different values across each SCR. resistors of the same value across each SCR. one resistor in series with each SCR. one resistor across the string. resistors of different values across each SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR is considered to be a semi controlled device because it conducts only during one half cycle of an alternating current wave. it can be turned ON only during one half cycle of an AC. it can be turned OFF but not ON with a gate pulse. it can be turned ON but not OFF with a gate pulse. it conducts only during one half cycle of an alternating current wave. it can be turned ON only during one half cycle of an AC. it can be turned OFF but not ON with a gate pulse. it can be turned ON but not OFF with a gate pulse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Using CB and fuse. Using equalizing circuit. Using heat sink. Use of snubber circuit. Using CB and fuse. Using equalizing circuit. Using heat sink. Use of snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SITH is also known as None of these. Filled controlled diode. Filled controlled rectifier. Silicon controlled rectifier. None of these. Filled controlled diode. Filled controlled rectifier. Silicon controlled rectifier. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After proper turn on of thyristor gate signal should present but can be removed. gate signal is always present. gate signal must be removed. None of these gate signal should present but can be removed. gate signal is always present. gate signal must be removed. None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Calculate the maximum voltage that can be safely blocked by the string shown in figure, if maximum allowable leakage current is 2 mA? 8 KV. 6 KV. 10 KV. 2 KV. 8 KV. 6 KV. 10 KV. 2 KV. ANSWER DOWNLOAD EXAMIANS APP