Power Electronics The triac is ___________. Like a bidirectional SCR A four-terminal device Not a thyristor None of these Like a bidirectional SCR A four-terminal device Not a thyristor None of these 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 60. 90. 70. 80. 60. 90. 70. 80. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The reverse recovery time of diode is trr = 3 μs and the rate off all of the diode current is di/dt = 30 A/μs. The storage charge current QRR is 140 μs. 130 μs. 145 μs. 135 μs. 140 μs. 130 μs. 145 μs. 135 μs. 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? 10 KV. 6 KV. 2 KV. 8 KV. 10 KV. 6 KV. 2 KV. 8 KV. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SITH is also known as Filled controlled diode. None of these. Silicon controlled rectifier. Filled controlled rectifier. Filled controlled diode. None of these. Silicon controlled rectifier. Filled controlled rectifier. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Materials used in heat sink should have All of these. high thermal conductivity. large surface area. high melting point. All of these. high thermal conductivity. large surface area. high melting point. ANSWER DOWNLOAD EXAMIANS APP