Step Size TCUL (pu) or phase-shift (angle in Step Size shall reflect the deg) step capability of the transformer. FROM Angle Primary winding phase angle (deg) TO Angle Secondary winding phase angle (deg) Tertiary Tertiary winding phase angle (deg) Angle G-Core Loss Magnetizing conductance (pu) B Magnetizing susceptance (pu) Magnetizing Rating 1 Summer Normal Branch Rating Transformer rating required. Rating MVA 1 (MVA) (primary winding for > 0 3-winding xfmr) Rating 2 Summer Emergency Branch Rating Transformer rating required. Rating MVA 2 (MVA) (primary winding for > 0 3-winding xfmr) Rating 3 Winter Normal Branch Rating (MVA) (primary winding for 3-winding xfmr) Rating 4 Winter Emergency Branch Rating (MVA) (primary winding for 3-winding xfmr) Rating 5 Fall Normal Branch Rating (MVA) (primary winding for 3-winding xfmr) Rating 6 Fall Emergency Branch Rating (MVA) (primary winding for 3-winding xfmr) Rating 7 Spring Normal Branch Rating (MVA) (primary winding for 3-winding xfmr) Rating 8 Spring Emergency Branch Rating (MVA) (primary winding for 3-winding xfmr)
Step Size TCUL (pu) or phase-shift (angle in deg) step Step Size shall reflect the capability of the transformer. FROM Angle Primary winding phase angle (deg) TO Angle Secondary winding phase angle (deg) Tertiary Angle Tertiary winding phase angle (deg) G-Core Loss Magnetizing conductance (pu) B Magnetizing Magnetizing susceptance (pu) Rating 1 Summer Normal Branch Rating (MVA) (primary winding for 3-winding xfmr) Transformer rating required. Rating MVA 1 > 0 Rating 2 Summer Emergency Branch Rating (MVA) (primary winding for 3-winding xfmr) Transformer rating required. Rating MVA 2 > 0 Rating 3 Winter Normal Branch Rating (MVA) (primary winding for 3-winding xfmr) Rating 4 Winter Emergency Branch Rating (MVA) (primary winding for 3-winding xfmr) Rating 5 Fall Normal Branch Rating (MVA) (primary winding for 3-winding xfmr) Rating 6 Fall Emergency Branch Rating (MVA) (primary winding for 3-winding xfmr) Rating 7 Spring Normal Branch Rating (MVA) (primary winding for 3-winding xfmr) Rating 8 Spring Emergency Branch Rating (MVA) (primary winding for 3-winding xfmr)
WECC_Data_Preparation_Manual.docx