PSSE is capable of solving cases with transformer angle offsets of more than 60 degrees, which are not supported in PowerModels. The attached raw file is extracted and reduced from an existing example case in PSSE, which solves in PSSE, but not in PowerModels. [case33_3winding_transformer.raw.zip](https://github.com/user-attachments/files/15857663/case33_3winding_transformer.raw.zip)