Power Electronics 4 thyristors rated 200 V in series. The operating voltage of the string is 0.600 V. Derating factor of the string is 0.2. 0.75. 0.7. 0.25. 0.2. 0.75. 0.7. 0.25. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in SCR to protect from high dV / dt? Equalizing circuit. Fuse. Snubber circuit. Circuit breaker. Equalizing circuit. Fuse. Snubber circuit. Circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power electronics essentially deals with control of a.c. power at ___________. Frequencies above 20 kHz Frequencies above 1000 kHz 50 Hz frequency Frequencies less than 10 Hz Frequencies above 20 kHz Frequencies above 1000 kHz 50 Hz frequency Frequencies less than 10 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.32. 0.67. 0.27. 0.45. 0.32. 0.67. 0.27. 0.45. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Switching frequency of SITH is 5 KHz. 10 KHz. 100 KHz. 60 KHz. 5 KHz. 10 KHz. 100 KHz. 60 KHz. 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 135 μs. 145 μs. 130 μs. 140 μs. 135 μs. 145 μs. 130 μs. 140 μs. ANSWER DOWNLOAD EXAMIANS APP
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