Power Electronics Typical range of thyristor turn OFF time is 3 - 10 µs. 3 - 100 µs. 3 - 50 µs. 3 - 500 µs. 3 - 10 µs. 3 - 100 µs. 3 - 50 µs. 3 - 500 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which triggering is the most reliable? dV / dt triggering. Thermal triggering. Forward voltage triggering. Gate triggering. dV / dt triggering. Thermal triggering. Forward voltage triggering. Gate triggering. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Snubber circuit. Voltage clamping device. CB and fuse. Heat sink. Snubber circuit. Voltage clamping device. CB and fuse. Heat sink. 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 Compared to transistor, ______________ have lower on state conduction losses and higher power handling capability Thyristor. TRIACs. Semi conductor diodes. MOSFETs. Thyristor. TRIACs. Semi conductor diodes. MOSFETs. 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. resistors of the same value across each SCR. one resistor across the string. one resistor in series with each SCR. resistors of different values across each SCR. resistors of the same value across each SCR. one resistor across the string. one resistor in series with each SCR. ANSWER DOWNLOAD EXAMIANS APP
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