Power Factor Correction Systems
In a facility with a low power factor, the distribution company charges a reactive energy fee.
0.95-1.00
Target Power Factor
Stepped
Switching Method
Sizing the capacitor bank
Compensation power is calculated from the gap between the current power factor and the target value. Stepped capacitor banks switch in and out automatically as the load changes, which keeps overcompensation from happening.
If harmonic-generating loads such as frequency converters or welding machines are present, a standard capacitor bank carries a resonance risk; a series-reactor or active-filter solution is preferred in that case.
What's Included
- Power factor measurement and compensation calculation
- Stepped capacitor bank manufacturing
- Compensation solution with harmonic filter
- Series reactor application
- Compensation panel maintenance
- Reactive energy fee analysis
| Solution | Resonance Risk | Typical Use |
|---|---|---|
| Standard Capacitor Bank | High (if harmonic loads present) | Facility with mostly linear loads |
| Series-Reactor Compensation | Low | Moderate harmonic levels |
| Active-Filter Compensation | None | Facility with heavy harmonic generation |
Standards We Apply
TS EN 61439-1/2
LV panels and compensation systems
IEC 61000-3
Harmonic limit values
A bulged capacitor cell is the visual sign that internal pressure has strained the safety seal.
Frequently Asked Questions
Does the reactive fee disappear completely once a compensation panel is installed?
With a correctly sized system, the reactive energy fee largely disappears, and periodic checks keep it that way.
Is harmonic-filtered compensation necessary in every facility?
No, it's recommended only for facilities with a high concentration of harmonic-generating loads, such as frequency converters or welding machines.
How long do capacitors last?
It depends on operating conditions; regular maintenance and correct sizing are the biggest factors in extending their life.
Request a Quote for This Service
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