True Non-Contact Three-Phase AVR Design
Advanced static switching eliminates carbon brushes and moving parts, increasing reliability and lifespan.
⚡ Ultra-Fast Response (≤10ms)
This three-phase automatic voltage regulator reacts instantly to voltage fluctuations, protecting critical equipment.
⚡ Intelligent Three-Phase Balancing
Built-in automatic phase correction ensures consistent voltage across all three phases.
⚡ High Efficiency ≥98%
Optimized energy performance reduces operational costs for industrial users.
⚡ Comprehensive Protection System
Integrated protection for:
- Overvoltage / Undervoltage
- Overload / Overcurrent
- Short circuit
- Phase failure
⚡ Surge & EMI Suppression
- Withstands surge currents up to 40kA
- Filters electromagnetic interference for cleaner power output
⚡ Smart LCD Display
Real-time monitoring of voltage, current, and system status with TRMS accuracy.
⚡ Customizable Configuration
Flexible design options for voltage range, capacity, and industrial applications.
Technical Specification
| Parameter | Specification |
|---|---|
| Capacity | 200kVA – 2000kVA |
| Input Voltage | 304V – 456V (Three Phase) / 176V – 264V (Single Phase) |
| Output Voltage | 380V (Line) / 220V (Phase) |
| Frequency | 50Hz / 60Hz |
| Voltage Accuracy | ±1% – ±5% (Standard ±2.5%) |
| Response Time | ≤10ms |
| Efficiency | ≥98% |
| Waveform Distortion | None added |
| Phase Balance | Automatic |
| Overload Capacity | 5× rated current (1 second) |
| Cooling Method | Air / Optional forced cooling |
Applications
This three phase AVR stabilizer is widely used in industries where stable voltage is critical:
- CNC machining centers
- Medical and diagnostic equipment
- Printing and packaging machinery
- Environmental testing systems
- Communication and electronic labs
- Large industrial facilities with unstable grid conditions
Static AVR vs Servo AVR – Which One Should You Choose?
| Feature | Static AVR (ZBW) | Servo AVR (SBW) |
|---|---|---|
| Response Speed | ≤10ms | ~200ms |
| Technology | IGBT (non-contact) | Motor-driven |
| Maintenance | None | Required |
| Precision | High (±1%) | Medium |
| Cost | Higher | Lower |
| Best Use | Sensitive equipment | General loads |
If your application requires high precision and fast response, choose static AVR.
If budget is the priority, servo AVR is a practical option.
FAQ
1. What is a three-phase automatic voltage regulator?
A device that stabilizes voltage across three phases to ensure consistent power supply.
2. What is the difference between AVR and stabilizer?
In industrial usage, AVR and voltage stabilizer are often interchangeable, but AVR emphasizes automatic regulation precision.
3. Which is better: static or servo AVR?
- Static AVR: faster, more precise
- Servo AVR: cheaper, suitable for general use
4. How fast does a three phase AVR respond?
- Static AVR: ≤10ms
- Servo AVR: ~200ms
5. Do I need an AVR for industrial machines?
Yes, especially if your power supply fluctuates or equipment is sensitive.
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