A Chopper operating at a fixed frequency is feeding an R–L

Home » Power Electronics » Power electronics miscellaneous » Question

A Chopper operating at a fixed frequency is feeding an R–L load. As the duty ratio of the chopper is increased from 25% to 75%, the ripple in the load current—

1. Remain constant
2. Decreases, reaches a minimum at 50% duty ratio and then increases
3. Increases, reaches a maximum at 50%, duty ratio and then decreases
4. Keeps on increasing as the duty ratio is increased

Correct Option: A

NA