Power Electronics A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.67. 0.45. 0.27. 0.32. 0.67. 0.45. 0.27. 0.32. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics By which one of the following we can measure the reliability of a string? Factor of safety. Reliability factor. String efficient. Derating factor. Factor of safety. Reliability factor. String efficient. Derating factor. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Gate circuit or triggering circuit of a thyristor is magnetic circuit. lower power circuit. may be low power or high power circuit. high power circuit. magnetic circuit. lower power circuit. may be low power or high power circuit. high power circuit. 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. 145 μs. 135 μs. 130 μs. 140 μs. 145 μs. 135 μs. 130 μs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is both (A) and (B). of short duration. neither (A) nor (B). of long period. both (A) and (B). of short duration. neither (A) nor (B). of long period. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which following is a two terminal three layer device? Power dioed. MOSFET. None of above. BJT. Power dioed. MOSFET. None of above. BJT. ANSWER DOWNLOAD EXAMIANS APP