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. 150 µs. 200 µs. 300 µs. 100 µs. 150 µs. 200 µs. 300 µs. 100 µs. ANSWER DOWNLOAD EXAMIANS APP
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. 0.7. 0.75. 0.25. 0.2. 0.7. 0.75. 0.25. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalizing circuit is used for equal division of voltage across each thyristor. equal division of current through each thyristor in series. equal division of current through each thyristor in parallel. equal division of voltage across each thyristor in parallel. equal division of voltage across each thyristor. equal division of current through each thyristor in series. equal division of current through each thyristor in parallel. equal division of voltage across each thyristor in parallel. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics To turn on UJT, the forward bias on the emitter diode should be ___________ the peak point voltage. Less than Equal to More than None of these Less than Equal to More than None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics By which one of the following we can measure the reliability of a string? Derating factor. Factor of safety. Reliability factor. String efficient. Derating factor. Factor of safety. Reliability factor. String efficient. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum power loss occurs during delay time. rise time. spread time. all. delay time. rise time. spread time. all. ANSWER DOWNLOAD EXAMIANS APP
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