It consists of 1 pcs adjusting transformer and 1 pcs compensation transformer, with sensors and control systems; managed by a state-of-the-art digital computer system.
The computer system calculates the difference between output voltage and programmed value; identifies the solution; the electro-servo motor rises or lowers the actuator bar which changes the winding ratio to either increase or decrease the outgoing voltage.
3Phase 400KVA Digital LCD type AC Automatic Voltage Regulator/Stabilizer
Capacity/Power | 400KVA |
Input Voltage Regulation Range | 380V±20% |
Output Voltage Regulation Accuracy | 380V±3% |
Working Frequency | 50Hz/60Hz±5% |
Each Phase Regulation Mode |
<800KVA, regulation on each phases synchronous ≥800KVA, regulation on each phase individually |
Bypass System | Manual bypass |
Response Time | ≤1s |
Efficiency | ≥98% |
Overload Capacity | 2 times of rated output current, last for 1 minute |
Duty Cycle | Continuous |
Transformer Winding Material |
Adjusting transformer: copper Compensation transformer: aluminum |
Transformer Insulation Class | F |
Ambient Temperature | -15 to +45°C |
Altitude | ≤5000m |
Relative Humidity | 0-95% (Non-condensing) |
Insulation Resistance | ≥2MΩ |
Breakdown Strength | No damage at 2000V for 1 minute |
Waveform Distortion | Nil |
Acoustic Noise | ≤50dBA |
Display | LED |
Protection | Overload, Over Voltage, Under Voltage, Short Circuit, etc |
Protection Degree | IP20 |
Cooling | Natural or forced air cooling |