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2.75/3.45MW Centralized ESS PCS
Product Advantages
Product Advantages
High-Efficiency Conversion
· Utilizes a three-level topology with efficiency up to 99%
· Intelligent air cooling, no power derating at 40°C
Flexible Application
· Supports multi-unit parallel connection and modularstacking to meet various power requirements
· Modular design simplifies installation and maintenance
Safe and Reliable
· IP65 protection and C5 corrosion resistance ensuresuperior environmental adaptability
· Supports intelligent detection of multiple system faults and thermal failure protection
Grid-Friendly
· Features PQ, VF, SVG, and VSG functions, supporting high/low voltage ride-through
· Rapid power dispatch, off-grid operation, and "black start" capability
Technical Specifications
Technical Specifications
| Model | EAPCS2750KHV | EAPCS3450KHV |
DC Side
| Rated Power DC Voltage Operating Range | 1000V~1500V | |
| Maximum DC Operating Current | 3087A | 3873A |
| Number of DC Inputs | 2 | |
AC Side (Grid-Connected)
| Rated Output Power | 2750kVA@45°C | 3450kVA@45°C |
| Maximum Output Power | 3025kVA@30°C | 3795kVA@30°C |
| Maximum AC Current | 2531A@30°C | 3176A@30°C |
| Rated AC Voltage | AC690V | |
| AC Voltage Range | 586.5V~759V | |
| Rated Grid Frequency / Grid Frequency Range | 50Hz/45Hz~55Hz | |
| AC Current Harmonics | <3% (rated power) | |
| Power Factor | >99% (rated power) | |
| Reactive Power Adjustable Range | -105% ~+105% | |
Efficiency
| Maximum Efficiency | 99% | |
Protection
| DC Input Protection | Load Switch + Fuse | |
| AC Output Protection | Framework Circuit Breaker | |
| Surge Protection | Equipped | |
| Grid Monitoring / Earth Fault Monitoring | Equipped | |
| Insulation Detection | Equipped | |
| Overheat Protection | Equipped | |
General Parameters
| Dimensions (WxHxD) | 720x2320x1400mm (x2) | 850x2260x2085mm (x2) |
| Weight | 2T | 2.2T |
| Isolation Type | Non-isolated | |
| Protection Rating | IP65/C5 | |
| Operating Temperature Range | -35°C~60°C (Derating above 45°C) | |
| Relative Humidity Range | 0%~95% (No condensation) | |
| Cooling Method | Intelligent Air Cooling | |
| Maximum Operating Altitude | 5000m (>4000m derating) | |
| Communication | RS485,CAN | |
| Compliance Standards | GB/T34120,GB/T34133 | |
| Grid Support | L/HVRT, Active & Reactive Power Control, Power Slope Control | |
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