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Power Factor Correction Calculator

IEC 60831 capacitor bank sizing — reactive compensation, capacitance and the resulting current/kVA reduction. Harmonic resonance, detuning reactor sizing and energy-savings analysis are advanced features.

AAJappsEngineering Calculation Report

Power Factor Correction Calculator

IEC 60831, IEC 61000-4-7

Generated

For preliminary engineering use only — always verify results against project-specific standards and a qualified engineer's review before use in a real design.

System & load

V
kW

Capacitor bank

V

Harmonic resonance

Advanced
MVA

Detuning reactor

Advanced

Energy savings

Advanced
h/yr
mΩ

Correction result

Compensation required Qc
276.6 kVAr
Qc = P·(tan φ₁ − tan φ₂)
Capacitance C
1,704.16 µF
Per phase at the system voltage · order 310.9 kVAr rated at the capacitor voltage
Current reduction
21.1%
927.5 A → 732.2 A
kVA demand saving
140.4 kVA
666.7 → 526.3 kVA

Before / after comparison

ParameterBefore (PF 0.75)After (PF 0.95)Change
Apparent power (kVA)666.7526.3−140.4
Current (A)927.5732.2−195.3 (21.1%)
Reactive power (kVAr)441.0164.3−276.6

Detuning reactor

Tuning frequency
210.0 Hz
Reactance XL
0.035 Ω
Reactor rating
15.7 kVAr

Energy savings

Loss reduction
9.72 kW
Annual energy saving
38,888 kWh
Demand saving
140.4 kVA
Annual cost saving
12,310