Single Phase Semi-Converters Objective Questions
Power Electronics Objective Questions & Answers
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A semi-converter circuit gives the following voltage waveform on R load. Find the expression for the average output current with Vs = Vm sinωt and firing angle α
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A semi-converter with RLE load and a freewheeling diode has discontinuous load current with firing angle α and extinction angle β. If β < π and Vm sinβ < E then
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A semi-converter with RLE load and a freewheeling diode has discontinuous load current with firing angle α and extinction angle β. The freewheeling period is
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In the below shown semi-converter circuit, T1 and T2 are fired at an angle α, then from ωt = α to π
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Wrong!
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For the below given circuit configuration, the SCR is fired at angle α. For continuous current mode from ωt = π to 2π
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Wrong!
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In the below shown semi-converter circuit T1 & T2 are fired at an angle α, the output voltage is zero when
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Wrong!
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A semi-converter circuit gives the following voltage waveform. Find the expression for the average output voltage with Vs = Vm sinωt and firing angle α
Correct!
Wrong!
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In a semi-converter with RLE load during the freewheeling period, the energy is
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Wrong!
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For the below given circuit configuration, the SCR is fired at angle α. For continuous current mode, find the expression for the average output voltage
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Wrong!
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In the below shown semi-converter circuit T1 & T2 are fired at an angle α, then from ωt = π to α+π
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Wrong!
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Single Phase Semi-Converters-1
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