Teaching TN TRB EE Test Series Power Electronics and Drives Phase Controlled Rectifiers Single Phase Half Wave Converters
Which of the following are the advantages of freewheeling of load current in phase – controlled converters?
1. It reduces the reactive power demand of the converter
2. It improves the displacement factor
3. It reduces the generated ripple voltage on the DC side of an SCR phase controlled converter
4. It improves the input PF.
Select the correct answer using the codes given below1
1, 2, 3 and 4
2
1, 2 and 3
3
1 and 4
4
2, 3 and 4