Power-Factor Correction - Capacitor kVAR

Capacitor kVAR required to raise a load's power factor from pf₁ to a target pf₂.

ElectricalPower factor

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Formula, assumptions, and limits

Q_c = P \cdot (\tan\varphi_1 - \tan\varphi_2)

Symbol	Meaning	Unit
$P$	Real power of the load	kW
$\varphi_1, \varphi_2$	Existing and target phase angles	°
$Q_c$	Capacitor kVAR to install	kVAR

Source: IEEE 18 - Shunt power capacitors

Capacitor kVAR required to raise a load's power factor from pf\u2081 to a target pf\u2082.