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Balanced wye voltage calculator

Line voltage is the square root of three times phase voltage in a balanced wye system.

VLL=3×VLNV_{\text{LL}} = \sqrt{3} \times V_{\text{LN}}

Calculator

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Worked example

Given

  • VLNV_{\text{LN}} = 100 V
VLL=3×100≈173.2V_{\text{LL}} = \sqrt{3} \times 100 \approx 173.2

Symbols and units

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