Power Factor & Correction

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Power factor, kVA and kVAR from kW, voltage and current — and the capacitor kVAR to reach a target

This tool runs entirely in your browser — no file or data is sent to any server.

Enter the values

What to work out

Phase

Real power (P)

Line voltage

Line current

Result

Power factor

0.802

A low power factor — see the correction mode for the capacitor it needs.

Working

Formulas

Assumptions

Sinusoidal supply and a balanced load; with heavy harmonics, measured values can differ.
For three phase, enter line voltage and line current.

Sources: Standard diploma electrical textbook relations (B. L. Theraja, Electrical Technology)

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