
ENGINEERED SOLUTION
Steel & Metallurgy
Power factor correction, harmonic mitigation and voltage support for electric arc furnaces, rolling mills, cranes and high-load metallurgical production lines.
| Parameter | Specification |
|---|---|
| Rated Grid Voltage | 400 VAC (340–460 VAC) |
| Rated Frequency | 50/60 Hz |
| Rated Output Power | 50 / 100 / 250 / 500 kW |
| Max. Output Current | 79 / 159 / 397 / 794 A |
| Overload Capacity | 1.1 × rated current (long-term) |
| Topology | Three-level NPC |
| Max. Output Power | 57.6 / 114.1 / 282.9 / 558.4 kW |
| Max. DC Current | 288 / 228 / 566 / 1117 A |
| DC Voltage Range | 200–600 VDC or 500–900 VDC |
| Power Factor | –1 to +1 adjustable |
| Current Harmonics (THDi) | <3% (rated output) |
| Output Voltage Accuracy | 1% |
| Max. Efficiency | 95.5% / 96.4% / 97.2% / 98.5% |
| DC Ripple | Supported |
| Parallel Operation | Supported |
| Communication Interfaces | RS232 / RS485 / Ethernet / GPRS (optional) |
| Altitude | Up to 4000 m (derating required above 4000 m) |
| Protection Level | IP20 |
| Operating Temperature | –25°C to +55°C |
| Cooling Method | Intelligent air cooling |
| Installation | Indoor installation |
| Dimensions (W×D×H mm) | 250kW: 1000×2000×800; 500kW: 1400×2000×1000 |



