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Power Factor Correction Calculator

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

AAJappsEngineering Calculation Report

Power Factor Correction Calculator

IEC 60831, IEC 61000-4-7

Generated

For preliminary engineering use only โ€” 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

Subscriber
MVA

Detuning reactor

Subscriber

Energy savings

Subscriber
h/yr
mฮฉ

Correction result

Compensation required Qc
276.6 kVAr
Qc = Pยท(tan ฯ†โ‚ โˆ’ tan ฯ†โ‚‚)
Capacitance C
1.52 ยตF
Per phase ยท IEC 60831
Current reduction
21.1%
927.5 A โ†’ 732.2 A
kVA demand saving
140.4 kVA
666.7 โ†’ 526.3 kVA

Before / after comparison

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

Detuning reactor

Tuning frequency
210.0 Hz
Reactance XL
0.106 ฮฉ
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