Enter Values
Relationships
Wye: Vline = √3 × Vphase; Iline = Iphase
Delta: Vline = Vphase; Iline = √3 × Iphase
Example
In a balanced wye system, 480 V line-to-line corresponds to approximately 277.13 V phase-to-neutral.
Using the Result
Phase voltage means voltage across one phase element. In a wye system it is line-to-neutral. In delta it is the voltage across one delta branch.
These relationships assume a balanced ideal three-phase connection. Verify actual equipment diagrams and measurement points.