Power Electronics BCT is used for Low power current control. Low power phase control. High power phase control. High power current control. Low power current control. Low power phase control. High power phase control. High power current control. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR is considered to be a semi controlled device because it can be turned ON only during one half cycle of an AC. 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 OFF but not ON with a gate pulse. it can be turned ON only during one half cycle of an AC. 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 OFF but not ON with a gate pulse. 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. 70. 90. 60. 80. 70. 90. 60. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During which time maximum conduction spreading take place in the thyristor during turn ON? Delay time. Rise time. Same for every case. Spread time. Delay time. Rise time. Same for every case. Spread time. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The triac is ___________. A four-terminal device Not a thyristor Like a bidirectional SCR None of these A four-terminal device Not a thyristor Like a bidirectional SCR None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCRs are used in series to meet low voltage demand. high voltage demand. low current demand. high current demand. low voltage demand. high voltage demand. low current demand. high current demand. ANSWER DOWNLOAD EXAMIANS APP