abc dq transformation for current

can someone suggest the reason for getting id component zero in abc park transformation.Its rotating alignment is kept 90 degrees behind A axis.I am trying to do reactive power compensation in microgrid.

[Rik]

Apart from the title this is a duplicate of your other question. Can you decide which one should be deleted? For the other I have this advice for you: have a read here and here. It will greatly improve your chances of getting an answer.