Power Electronics The latching current of GTO should be of order 500 mA. 100 mA. 1 A. 2 A. 500 mA. 100 mA. 1 A. 2 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The typical time of rising time lies between 40 - 60 µs. 90 - 100 µs. 1 - 4 µs. 10 - 20 µs. 40 - 60 µs. 90 - 100 µs. 1 - 4 µs. 10 - 20 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor string is made of a no. of SCR connected in series and parallel. The string have volume and current of 11 KV and 4 KA. The voltage and current rating of available SCRs are 1800 V and 1000 A. For a string efficiency of 90 % let the number of SCRs in series and parallel are a and b respectively. Then the value of a and b will be 6, 4. 7, 5. 4, 6. 5, 7. 6, 4. 7, 5. 4, 6. 5, 7. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which triggering is the most reliable? Forward voltage triggering. dV / dt triggering. Thermal triggering. Gate triggering. Forward voltage triggering. dV / dt triggering. Thermal triggering. Gate triggering. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Example of a voltage clamping device aluminium block. snubber circuit. fast acting fuse. metal oxide varistor. aluminium block. snubber circuit. fast acting fuse. metal oxide varistor. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power electronics essentially deals with control of a.c. power at ___________. Frequencies above 1000 kHz Frequencies less than 10 Hz 50 Hz frequency Frequencies above 20 kHz Frequencies above 1000 kHz Frequencies less than 10 Hz 50 Hz frequency Frequencies above 20 kHz ANSWER DOWNLOAD EXAMIANS APP
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