Power Electronics The turn-on time of an SCR with inductive load is 20 µs. The puls train frequency is 2.5 KHz with a mark/space ratio of 1/10, then SCR will Turn on if inductance is removed. Turn on if pulse frequency us increased to two times. Not turn on. Turn on. Turn on if inductance is removed. Turn on if pulse frequency us increased to two times. Not turn on. Turn on. 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 What is used to protect a thyristor from high di / dt conditions? Inductor. Voltage clamping device. Snubber circuit. Fuse. Inductor. Voltage clamping device. Snubber circuit. Fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Practical way of obtaining static voltage equalization in series connected SCRs is by the use of resistors of different values across each SCR. one resistor in series with each SCR. one resistor across the string. resistors of the same value across each SCR. resistors of different values across each SCR. one resistor in series with each SCR. one resistor across the string. resistors of the same value across each SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics IGBT combines the advantages of BJTs and SITs. SITs and MOSFETs. None of these. BJTs and MOSFETs. BJTs and SITs. SITs and MOSFETs. None of these. BJTs and MOSFETs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following is not a power transistor? COOLMOS. IGBTs. TRIAC. SITS. COOLMOS. IGBTs. TRIAC. SITS. ANSWER DOWNLOAD EXAMIANS APP
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