Generator - P vs Q Loading

Generator active/reactive power split - maintains PF ≥ 0.8 lagging for export; voltage regulation adjusts Q.

GeneratorP QPower factor

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

P = S \cos\varphi, \quad Q = S \sin\varphi

Symbol	Meaning	Unit
$S$	Apparent power	kVA
$PF$	cos φ

Source: IEEE 45 / IEC 60092

Generator active/reactive power split - maintains PF \u2265 0.