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Power Factor Calculator
Real power (kW), reactive power (kVAR), apparent power (kVA), and capacitor correction
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Known Values
Results
Power Factor
0.850
Fair β correction recommended
Real Power
75.00 kW
Apparent Power
88.24 kVA
Reactive Power
46.48 kVAR
PF Correction Capacitor
Capacitor Bank Size Needed
21.83 kVAR
Corrects PF from 0.850 β 0.950
Power Triangle Relationships
kVA = kW / PF
PF = kW / kVA
kW = kVA Γ PF
kVAR = β(kVAΒ² β kWΒ²)
kVA = β(kWΒ² + kVARΒ²)
PF = cos(ΞΈ)
Single phase: kVA = V Γ I / 1000
Three phase: kVA = β3 Γ VLL Γ I / 1000
Utilities often penalize PF < 0.85 or < 0.90 β verify with your rate schedule.
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