Power Electronics Under over voltage condition impedance offered by the voltage clamping device is moderate. low. infinity. high. moderate. low. infinity. high. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If holding current of a thyristor is 2 mA then latching current should be 0.01 A. 0.002 A. 0.004 A. 0.009 A. 0.01 A. 0.002 A. 0.004 A. 0.009 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? To minimize the loss . All of these. To minimize the discharging current. To minimize the charging current. To minimize the loss . All of these. To minimize the discharging current. To minimize the charging current. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A string of n parallel SCRs is operated at 72 KA, the rating of each SCR is 1 KA. If derating factor of the string is 0.1. Then calculate the value of n 80. 60. 90. 70. 80. 60. 90. 70. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum power loss occurs during all. delay time. spread time. rise time. all. delay time. spread time. rise time. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After proper turn on of thyristor gate signal should present but can be removed. gate signal must be removed. gate signal is always present. None of these gate signal should present but can be removed. gate signal must be removed. gate signal is always present. None of these ANSWER DOWNLOAD EXAMIANS APP