Single Phase Semi-Converters Objective Questions – 1

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

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

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

In the below shown semi-converter circuit T1 & T2 are fired at an angle α, then from ωt = π to α+π

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

In a semi-converter with RLE load during the freewheeling period, the energy is

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

In the below shown semi-converter circuit T1 & T2 are fired at an angle α, the output voltage is zero when

For the below given circuit configuration, the SCR is fired at angle α. For continuous current mode from ωt = π to 2π

In the below shown semi-converter circuit, T1 and T2 are fired at an angle α, then from ωt = α to π