Three-Phase Power Calculator
Calculate three-phase power from voltage, current and power factor.
V
A
Result
9,4224 kW
Active power: 9,4224 kW
Result in all units
Step-by-step solution
What Is Three-Phase Power?
Three-phase power is the calculation of active power in three-phase systems used in industry and high-power motors. At the same power it allows thinner cables and efficient motor operation.
How is it calculated?
How Is It Calculated?
P = √3 × V × I × cosφ
V: line voltage, I: current, cosφ: power factor.
- Enter the voltage, current and power factor.
- For example, 400 V, 16 A, 0,85: ≈ 9,4 kW.
Frequently Asked Questions
Why is the power factor (cosφ) important?
A low power factor causes more current to be drawn to do the same work, increasing costs.