How do I convert a 3-winding transformer series impedance into per unit impedance for PSSE

answered 2020-03-17 13:42:55 -0500

drsgao
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I remember that one of the manuals, probably one of the 2 about the models, describes the transformer models in PSSE and how you could convert the Ohmic values into the per-unit one. You need to know how the transformer is physically connected (the clock).