Correcting a lagging load
PF = P / S. For sinusoidal loads, Q = S × sin φ.
The capacitor value shown is an estimate for the stated frequency and voltage and must be checked by a qualified engineer.
Power
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Power Factor Calculator
Calculate power factor, phase angle and the capacitance needed for correction.
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Enter real and apparent power, or voltage, current and real power.
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Assumptions and limits.
- Sinusoidal single-phase load for the angle calculation.
Frequently asked questions
Should I correct power factor myself?
No. Power-factor correction is a design task for a qualified electrical engineer, especially in industrial installations.