Physics

Three Phase Calculator

Find three-phase real power.

Calculated Output

Real power (W) 6,235.38

Real power (kW) 6.235

Formula: P = √3·V_L·I_L·PF

Step-by-Step Breakdown

1. Values used:

2. Line voltage = 400 V

3. Line current = 10 A

4. Power factor = 0.9

6. Real power = 6,235.38W

7. Real power = 6.235kW

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The math behind it

For a balanced load, P = √3·V_line·I_line·PF.

400 V, 10 A, PF 0.9 → about 6235 W (6.24 kW).

Why √3?

It relates line and phase quantities in a balanced three-phase system.