Hamad Power Electronics 21/05/2021 A. Only at turn – on B. Only at turn – off C. Both at turn on and off D. None of these Related Mcqs: Thyristor is nothing but a____________?A. Controlled transistor B. Controlled switch C. Amplifier with higher gain D. Amplifier with large current gain... Dynamic equalizing circuit is used for________________?A. equal division of voltage across each thyristor B. equal division of current through each thyristor in parallel C. equal division of voltage across each thyristor in parallel D. equal division of current through each thyristor in series... Very large values of modulation index (greater than 3.24) lead to___________?A. Square AC output voltage B. Sine AC output voltage C. Triangular AC output voltage D. Trapezoidal AC output voltage... In a full bridge VSI, in order to avoid the short circuit across the DC bus and the undefined AC output voltage condition, the modulating technique should ensure that___________?A. Top switch of each leg is on at any instant B. Bottom switch of each leg is on at any instant C. Either A. or B. D. None of these... The effects of EMI can be reduced by_____________?A. Suppressing emissions B. Reducing the efficiency of the coupling path C. Reducing the susceptibility of the receptor D. All of these...
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