Power Electronics Thyristor can be protected from over voltages by using voltage clamping device. fuse. snubber circuit. heat sink. voltage clamping device. fuse. snubber circuit. heat sink. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which following is a two terminal three layer device? Power dioed. BJT. MOSFET. None of above. Power dioed. BJT. MOSFET. None of above. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Using CB and fuse. Use of snubber circuit. Using heat sink. Using equalizing circuit. Using CB and fuse. Use of snubber circuit. Using heat sink. Using equalizing circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalising circuit is useful 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. both B and C. 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. 135 μs. 145 μs. 140 μs. 130 μs. 135 μs. 145 μs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During gate recovery time charge carrier of J1 junction removed. charge carriers of J3 junction is removed. charge carriers of J2 junction is swept out. charge carriers of J2 junction recombined. charge carrier of J1 junction removed. charge carriers of J3 junction is removed. charge carriers of J2 junction is swept out. charge carriers of J2 junction recombined. ANSWER DOWNLOAD EXAMIANS APP