Power Factor Calculator

Calculate single- or three-phase power factor from real power, voltage, and current.

Formula

PF=P/S; S=VI (tek faz), S=√3·VI (üç faz)

Source / method note

Uses DOE power-triangle relations: PF = real/apparent power and single/three-phase apparent-power formulas.

Legal / official rate note

Electrical installation and power-factor-correction decisions require qualified engineering review.

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