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Transformer Phasing Tool
Configuration
Transformer Type
Wye-Wye (Y-Y)
Delta-Delta (D-D)
Delta-Wye (D-Y)
Wye-Delta (Y-D)
System Phase Rotation
ABC (Positive Sequence)
ACB (Negative Sequence)
High Side Connection (H1-H2-H3)
A-B-C
A-C-B
B-A-C
B-C-A
C-A-B
C-B-A
High Side Phasors
Low Side Phasors
Dy1
Phase Relationships
High Side Terminal
Connected Phase
High Side Angle
Low Side Terminal
Low Side Angle
Show Explanation