How Can i get the impedance pattern of LV1-HV=12%, LV2-HV =12% and LV1-LV2= 24%, where LV1, LV2 and HV are 4.16kv, 13.2 kV and 138 kV.Transformer MVA for LV1, LV2 and HV is 12MVA, 8 MVA and 20 MVA. what winding scheme should I adopt to get this impedance pattern and what are the problems we can...