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6.7MW/13.4MWh-2h<br>6.7MW/26.8MWh-4h<br>Centralized Liquid-Cooled ESS 6.7MW/13.4MWh-2h<br>6.7MW/26.8MWh-4h<br>Centralized Liquid-Cooled ESS

6.7MW/13.4MWh-2h
6.7MW/26.8MWh-4h
Centralized Liquid-Cooled ESS

Product Advantages Product Advantages
Flexible Solutions

· Supports multiple battery system configuration options to meet long-duration charging and discharging needs
· Modular design enables convenient and efficient later-stage maintenance
· Supports side-by-side and back-to-back layouts, reducing project footprint by 40%

High Reliability

· PACK-level IP67 and cabinet-level IP54 rating, resistant to harsh operating environments
· Adopts a three-level fire control linkage strategy, with the whole unit reaching IP54 protection class
· Supports operation at a maximum altitude of 4000 meters

Long Lifespan

· Full system cycle life exceeding 8,000 cycles
· Multi-level energy balancing management, efficient intelligent air-cooling and liquid-cooling systems ensure full lifecycle protection

High Efficiency

· 314 Ah large PACK design reduces the levelized cost of electricity (LCOE) by more than 16%
· Efficient liquid-cooling system extends battery lifespan and improves system discharge capacity
· Prefabricated containerized system delivery shortens construction time by 30%

Technical Specifications Technical Specifications
Model 6.7MW/13.4MWh 6.7MW/26.8MWh
DC-side
Cell type 3.2V/314Ah
System Battery Configuration 416S1Px16x2 416S1Px16x4
Battery Rated Capacity 13375.89kWh 26751.79kWh
Battery Voltage Range 1123.2V~1476.8V
The AC-side PCS parameters
AC-Side Rated Power 6900kVA
AC-Side Voltage Distortion Rate <3% (rated power)
DC Component ≤0.5% (rated power)
AC-Side Rated Voltage AC690V
Grid Voltage Range 586.5V~759V
Power Factor >0.99 (rated power)
Reactive Power Adjustable Range -105%~105%
Rated Grid Frequency 50Hz
Grid Frequency Range 45HZ~55Hz
Isolation Method Transformer Isolation

 

Transformer Parameters
Rated Power 7500kVA
Voltage Ratio 35kV/0.69kV
Transformer Connection Group Dy11
System Parameters
PCS&Transformer Dimensions (W x H x D) 9000x3200x3400mm (Dry-type Transformer)
Battery Container Dimensions (W x H x D) 8000x2896x2438mm (x2) 8000x2896x2438mm (x4)
PCS&Transformer Weight 30T
Battery Container Weight ≤54T(x2) ≤54T (x4)
IP Level/ Corrosion-proof Grade IP54/C3 (C5 Optional)
Operating Temperature Range -30°C~50°C
Operating Humidity Range 0%~95% (Non-condensing)
Max. Operating Altitude 4000m (Derated Above 3000m)
Cooling Method Liquid Cooling
Converter Cooling Method Intelligent Air Cooling
Fire Protection System Perfluorohexanone /Water
System Communication Interface LAN
External System Communication Protocol IEC61850、IEC104、 MODBUS-TCP

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