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Wye line-to-neutral voltage calculator

Phase-to-neutral voltage is calculated as V_LL/sqrt(3). Use the stated system boundary and matching input units.

VLN=VLL3V_{\text{LN}} = \frac{V_{\text{LL}}}{\sqrt{3}}

Calculator

Enter the values you know and leave one box empty. Calculate finds the empty one, the result or any input.

V
V

Worked example

Given

  • VLLV_{\text{LL}} = 100 V
VLN=1003≈57.735V_{\text{LN}} = \frac{100}{\sqrt{3}} \approx 57.735

Symbols and units

SymbolMeaningUnit
VLNV_{\text{LN}}phase-to-neutral voltageV
VLLV_{\text{LL}}line-to-line voltageV

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Results are estimates for study and screening. Check the inputs, units and assumptions before you use them for design, billing or contract decisions.