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PowerEngineerLab · TOOL-004

AC Power Calculator

Calculate active, apparent and reactive power from line current or active power.

Calculator

System
V
A
0–1

Result

Enter the AC system values and choose Calculate.

Method and boundaries

Single-phase voltage is treated as the system voltage. Three-phase voltage and current are line values for a balanced system. The tool uses S = kVI, P = S × pf and Q = ±S√(1 − pf²).

Source: SRC-002 · model 1.0.0 · dataset user-input-v1. Unbalanced systems, harmonics, motor behavior and code compliance are not evaluated.