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Three-Phase Power Calculator

Compute active power P = √3·V_L·I_L·cosφ of a balanced three-phase system.

Input Data

Input Line voltage V_L.
V
Input Line current I_L.
A
Input Power factor cosφ.

Results

5,888.97W
P = √3·V_L·I_L·cosφ = 5888.97 W

At a glance:Three-Phase Power Calculator: enter parameters to compute results; complements related calculators.

Formula

P = √3 · V_L · I_L · cosφ

active power of a balanced three-phase system

How to Use

  1. Enter line voltage V_L and line current I_L.
  2. Enter power factor cosφ.
  3. Get active power P.

Case Studies

400V/10A/0.85

P = 1.732·400·10·0.85 ≈ 5.89 kW.

FAQ

Line vs phase voltage?

Formula uses line voltage V_L; in Y-connection V_L=√3·V_phase.

Related Tools

References

Content review: Calculatorism Science Team. Formula and numeric tests verified; results for reference only.

Found a problem with the results?

If this calculator's result is wrong, or you have any question about the calculation logic, please let us know. You are viewing:Three-Phase Power Calculator/physics/three-phase-power)。