Power Electronics SCR will be turned off when anode current is both (A) and (B). < latching current but greater than holding current and gate signal is present. < latching current but greater than holding current and gate signal is 0. less than holding current. both (A) and (B). < latching current but greater than holding current and gate signal is present. < latching current but greater than holding current and gate signal is 0. less than holding current. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is a ___________ switch None of these Bidirectional Mechanical Unidirectional None of these Bidirectional Mechanical Unidirectional ANSWER DOWNLOAD EXAMIANS APP
Power Electronics For series connected SCR’s dynamic equalising circuit consists of series R and diode with C across R. R and C in series but with diode across C. series R and diode with C across R. R and C in series but with diode across R. series R and diode with C across R. R and C in series but with diode across C. series R and diode with C across R. R and C in series but with diode across R. 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 The device that does not have the gate terminal is ___________. FET SCR Triac Diac FET SCR Triac Diac ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Practical way of obtaining static voltage equalization in series connected SCRs is by the use of one resistor in series with each SCR. resistors of the same value across each SCR. one resistor across the string. resistors of different values across each SCR. one resistor in series with each SCR. resistors of the same value across each SCR. one resistor across the string. resistors of different values across each SCR. ANSWER DOWNLOAD EXAMIANS APP