Power Electronics What is used to protect the SCR from over current ? Snubber circuit. Voltage clamping device. Heat sink. CB and fuse. Snubber circuit. Voltage clamping device. Heat sink. CB and fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During reverse recovery time charge carrier of junction J2 recombined. both B and C. charge carrier of junction J1 is swept out. charge carrier of junction J3 is swept out. charge carrier of junction J2 recombined. both B and C. charge carrier of junction J1 is swept out. charge carrier of junction J3 is swept out. 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 A power semiconductor may undergo damage due to High dv/dt. High di/dt. Low dv/dt. Low di/dt. High dv/dt. High di/dt. Low dv/dt. Low di/dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Latching current for an SCR inserted between a dc voltage source of 200 V and load is 100 mA. Compute the minimum rate of width pulse required to turn ON the SCR in case load consists of R = 20 Ω in series with L = 0.2 H. 100 µs. 200 µs. 150 µs. 300 µs. 100 µs. 200 µs. 150 µs. 300 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During which time maximum conduction spreading take place in the thyristor during turn ON? Same for every case. Spread time. Delay time. Rise time. Same for every case. Spread time. Delay time. Rise time. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS