Product photo
Power Conversion System 250KW
EMP-S Series · 250kVA PCS for ESS applications · Bidirectional AC/DC conversion · Configurable PF (-1 to +1) · Off-grid mode supported.
Model: EMP250K-S
Rated AC power
250kVA
Efficiency
98%
DC range
650VDC–900VDC · Max 275kW / 395A
Grid
380/400VAC (-15% to +15%) · 50/60Hz · THDi ≤3%
| Parameter | Value |
|---|---|
| Model | EMP250K-S |
| Max. DC power | 275kW |
| Max. DC current | 395A |
| DC voltage range | 650VDC–900VDC |
| Voltage accuracy | < ±1% |
| Current regulation accuracy | < ±1% (output load within 50% to 100% rated) |
| Rated AC power | 250kVA |
| Overload | 275kVA |
| Grid voltage | 380/400VAC (-15% to +15%) |
| Wiring | 3W+PE / 3W+N+PE |
| Grid frequency | 50Hz / 60Hz |
| THDi | ≤ 3% |
| Output power factor | -1 to +1 (configurable) |
| Off-grid voltage accuracy | ≤ 1% |
| Off-grid voltage distortion | ≤ 3% |
| Off-grid power factor | 0.7–1.0 |
| Voltage dynamic response / recovery time | 2% / 60ms |
| Conversion efficiency | 98% |
| Communication | RS232, RS485, CAN |
| Protection class | IP20 |
| Protection | AC/DC over/under voltage, overcurrent, short-circuit, and over-temperature protection |
| Operating temperature | -20°C to +60°C, derating above +45°C |
| Storage temperature | -40°C to 75°C |
| Humidity | 0–95% (non-condensing) |
| Cooling method | Intelligent air cooling |
| Altitude | 4000m, derating above 2000m |
| Safety standards | CE |
| Dimensions (W×D×H) — Module | 440 × 665 × 120 mm |
| Dimensions (W×D×H) — System | 600 × 800 × 1800 mm |
| Weight — Module | 30 kg |
| Weight — System | 310 kg |
| Minimum order | 61 |