Variable V TCUL tap position (primary Variable V Tap or Variable Angle Min VAr Tap ≤ Tap or winding) or phase angle position shall be at or within Max VAr Tap V Tap ≤ Max Variable and Min VAr Tap for Transformers VAr Tap Angle that are in-service. 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)
Variable V Tap or Variable Angle TCUL tap position (primary winding) or phase angle position Variable V Tap or Variable Angle shall be at or within Max VAr Tap and Min VAr Tap for Transformers that are in-service. Min VAr Tap ≤ V Tap ≤ Max VAr Tap 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)