Energy Storage System

1.7MW/3.7MWh

• Highly integrated system with separate inverter and battery sections to allow flexible transportation and on-site installation.

• Higher energy density system with advanced battery, higher efficiency and longer cycle life.

• Integrated with the local controller, HVAC and FSS to enable unified communication, ensure system safety and maximize system efficiency.

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Technical Parameters

System type	WBS-3727K-A02
Battery Data
Cell type	Lithium iron phosphate battery 3.2V/280Ah
Configuration of system	416S10P
Battery capacity（BOL）	3727 kWh
Battery voltage range	1123 ~ 1498V
BMS communication interfaces	RS485, Ethernet
BMS communication protocols	Modbus RTU, Modbus TCP
AC Data
Nominal AC power	1725kVA
Max. AC power	1900kVA
Max.THD of current	< 3% (at nominal power)
DC component	< 0.5% (at nominal power)
Nominal grid voltage	10kV/35 kV
Power factor	> 0.99 (at nominal power)
Adjustable power factor	1 leading ~ 1 lagging
Nominal grid frequency	50/60 Hz
Grid frequency range	±5Hz
Isolation method	Transformer Isolation
Nominal output voltage of off-grid	10kV/35 kV ±7%
Max.THD of off-grid output voltage	< 3% (linear load)
General Data
Dimensions of PCS unit (W * H * D)	6,058 * 2,896 * 2,438 mm
Dimensions of battery unit (W * H * D)	12,192 * 2,896 * 2,438 mm
Weight of PCS unit	16 T
Weight of battery unit (with / without battery)	40 T
Degree of protection	IP54 / NEMA 3R
Operating temperature range	-20 to 55 °C
Relative humidity	0 ~ 95 % (non-condensing)
Max. working altitude	3000m
Cooling concept of battery chamber	Heating, Ventilation and Air Conditioning
Cooling concept of PCS chamber PCS	Temperature controlled forced air cooling
Fire suppression system of battery unit	Heptafluoropropane/Perfluorohexanone
Communication interfaces	RS485, Ethernet
Communication protocols	Modbus RTU, Modbus TCP, IEC 104
Compliance	UL 9540, UL 9540A UN38.3 IEC 62619