Transformer model parameters - vkr0_percent

[timebis]

Hi guys,

Thank you very much for the job that has been made on panda power !

I would like to create some 30kV/0.4kV transformer model with custom values (create_transformer_from_parameters).
I'm facing issue to identify vk_percent (real part relative of short-circuit voltage) from construtor datasheet.
Does somebody have an idea how can I get it ?

Exemple of a datasheet :

[timebis]

Since all this time, i found the solution.

The vkr_percent (real part relative of short-circuit voltage) can be calculated as follow :
vkr_percent = P_cu (Power loss in the copper in kW) / S_trafo (nominal rated apparent power of the tranformer in kW) * 100

It's one way of calculate vkr_percent in PowerFactory :

The document is available here.