Power Electronics By which one of the following we can measure the reliability of a string? Reliability factor. String efficient. Derating factor. Factor of safety. Reliability factor. String efficient. Derating factor. Factor of safety. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which one is most suitable power device for high frequency (>100 KHz) switching application? BJT. Schottky diode. Microwave transistor. Power MOSFET. BJT. Schottky diode. Microwave transistor. Power MOSFET. 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 145 μs. 140 μs. 135 μs. 130 μs. 145 μs. 140 μs. 135 μs. 130 μs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The latching current of GTO should be of order 2 A. 100 mA. 1 A. 500 mA. 2 A. 100 mA. 1 A. 500 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalising circuit is useful both B and C. to limit di / dt of SCR. for voltage equalisation. to limit dV / dt of SCR. both B and C. to limit di / dt of SCR. for voltage equalisation. to limit dV / dt of SCR. 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. None of these gate signal is always present. gate signal should present but can be removed. gate signal must be removed. None of these gate signal is always present. ANSWER DOWNLOAD EXAMIANS APP