Product overview
The VTEKE PFC-12S is a 12-step automatic power factor controller designed for reactive power compensation in electrical installations. It continuously monitors electrical parameters and automatically controls capacitor steps to maintain the required power factor.
Applications
- Automatic capacitor bank control
- Power factor correction in electrical distribution systems
- Reactive power compensation in industrial installations
- Compensation panels with multi-step capacitor banks
- Systems with changing inductive and capacitive loads
- Monitoring of compensation system performance
- Harmonic monitoring in reactive power compensation systems
Key features
- 12-step automatic reactive power compensation
- 7 compensation programs with manual compensation option
- Automatic step measurement
- Adjustable step drive, release and discharge times
- Adjustable voltage and current harmonic alarm values
- Adjustable over- and under-compensation alarm values
- Voltage, harmonic voltage/current, over- and under-compensation alarm output
- Automatic fan output
- Voltage and current monitoring
- Active, reactive and apparent power monitoring
- THD-I and THD-V monitoring
- cos φ and power factor monitoring
- Capacitive/inductive ratio monitoring
- Step value monitoring
- Voltage and current harmonics up to the 15th harmonic
- Panel-mounted design
Specifications
Compensation & Control
| Number of Steps | 12 Steps |
|---|---|
| Compensation Programs | 7 Programs + Manual Compensation |
| Automatic Step Measurement | Yes |
| Step Drive / Release / Discharge Times | Adjustable |
| Over / Under Compensation Alarm Values | Adjustable |
| Fan Output | Automatic |
Measurement & Monitoring
| Voltage / Current / Frequency | Monitored |
|---|---|
| Active / Reactive / Apparent Power | Monitored |
| cos φ / Power Factor | Monitored |
| THD-V / THD-I | Monitored |
| Capacitive / Inductive Ratios | Monitored |
| Step Values | Monitored |
| Voltage Harmonics | Up to 15th harmonic |
| Current Harmonics | Up to 15th harmonic |
| Voltage / Current / Cosine Accuracy | ±1% |
| Active Energy Accuracy | ±2% |
| Reactive Energy Accuracy | ±2% |
Electrical Characteristics
| Operating Voltage | 100–300 V AC |
|---|---|
| Operating Frequency | 50/60 Hz |
| Operating Power | <10 VA |
| Voltage Measuring Range | 10–300 V |
| Input Current | 10 mA–5.5 A |
| Current Transformer Measuring Range | 5/5 A–10,000/5 A |
| Cosine Measuring Range | 0 to 1 |
Outputs & Alarms
| Step Outputs | 3 A / 250 V AC, Resistive Load |
|---|---|
| Fan Output | 3 A / 250 V AC, Resistive Load |
| Alarm Output | 3 A / 250 V AC, Resistive Load |
| Alarm Functions | Voltage, Harmonic Voltage/Current, Over- and Under-Compensation |
| Harmonic Alarm Values | Adjustable |
Mechanical
| Panel Cut-Out | 140 × 140 mm |
|---|---|
| Connection Type | Plug-in Terminal Connection |
| Cable Cross-Section | 1.5 mm²; 2.5 mm² for CT & voltage connections |
| Mounting | Front panel mounting |
| Weight | <900 g |
| Protection Degree | IP41 Front Panel / IP20 Body |
Environmental
| Operating Temperature | -20°C to +55°C |
|---|---|
| Working Altitude | <2000 m |
Full certificate register
CE conformitySample
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