I think that knowing (or assuming) the step sizes (as percentage) should be
enough to determine the tap position from the ratio.
Ray
> On Nov 28, 2018, at 11:44 PM, Ameeratul Balqis <[email protected]>
> wrote:
>
> Hello,
>
> How can I know the tap position of a transformer according to the ratio given
> in the case study?
>
> Lets say im using 39 case, do I have to assume the transformer rating,
> voltage ratio and on load steps? ( eg: 2000kVA, 33/0.433kV, +10% to -10% @
> 2.5% steps ) to determine the tap position for each ratio given?
>
> I also tried to search if I may found the specific value of the transformer
> rating, voltage ratio and on load steps for case 39 but I couldn't.
>
> Please help. Thank you.
