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Battery System

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Battery System

1.Positive electrode made of LiFePO4 (LFP), ensuring high safety and a long service life.
2.Compatible with a variety of communication power supply devices and inverter.
3.Maintenance-free design, fitting in a 19-inch communications cabinet.
4.Built-in BMS system with multiple protection and communication functions, which ensures high reliability of the battery pack and enables real-time monitoring of battery data over a long distance.
5.Low internal resistance, with efficient internal balance of the battery control circuit.
6.Wide working temperature range and high reliability.
7.Support for parallel connection of battery packs.

· Advanced lithiumiron phosphate battery has four major features:high safety,long cycle life, superior rate charge and discharge performance, and green and pollution-free;
· The system has high energy density and high charge-discharge conversion efficiency;
· BMS battery management system has multiple protection functions,the system is flexible and reliable, and can be expanded and upgraded;
· High modularity, simple structure, easy installation and maintenance.


The energy storage system consists of one energy storage system container with a total capacity of 2.1MWh, including the energy storage prefabricated cabin, which includes battery system, battery management system, PCS, UPS, air conditioning, lighting, fire protection, ventilation and power distribution. Access systems and other auxiliary components, and installation/maintenance channels are reserved in the energy storage prefabricated cabin; the 0.4kV low-voltage feeder cabinet is connected to the power grid system of the plant area to realize peak shaving, emergency power supply, demand management, energy saving, and load balancing. Dynamic capacity increase, improve power factor and other functions, the electrical topology of the energy storage system is as follows:


Peak shaving and valley filling, through charging energy storage during valley hours and discharging energy during peak hours, reduce the electricity cost of enterprises or parks, and save electricity costs for customers.

Demand response, when the short-term power consumption is greater than the transformer capacity, the energy storage system performs rapid discharge to meet the load power demand requirements.

Dynamic capacity expansion, using energy storage equipment to replace the capacity of the voltage transformer at peak time, helps users reduce the cost of transformer use, and reduce the investment and expansion cycle of transformers.

Off-grid backup power, when the power is interrupted, provide uninterrupted short-term power supply for important loads, reducing economic losses caused by sudden power failure of the load.

Item
100kWh Specification
100kWh Specification
Remark
Battery Type
LiFePO4
LiFePO4
Single battery specifications and models
3.2V/206Ah
3.2V/206Ah
Charge cut-off voltage
Cell 3.65V
Cell 3.65V
Discharge cut-off voltage
Cell 2.5V
Cell 2.5V
Module model
TC-537.6V 206Ah
TC-537.6V 206Ah
Series-parallel mode
14 battery modules+1BPU
14 battery modules+1BPU
DC side nominal voltage
537.6V
537.6V
Nominal energy
110.75kWh
110.75kWh
DC side working voltage range
470~613.2V
470~613.2V
Standard charging current
120(0.5C)
240(1C)
Maximum charging current
150(0.625C)
300(1.25C)
Standard discharge current
120(0.5C)
240(1C)
Maximum discharge current
150(0.625C)
300(1.25C)
Range of working temperature
Charging
-20℃~55℃
-20℃~55℃
Discharge
729.6V
729.6V
Optimum operating temperature range
15℃~35℃
15℃~35℃
Storage requirements
The battery is stored in a state of 35% SOC
or a voltage of 3.285V to 3.305V
The battery is stored in a state of 35% SOC
or a voltage of 3.285V to 3.305V
Storage temperature
within 1 month
-40℃~45℃
-40℃~45℃
within 6 months
-20℃~ 35℃
-20℃~ 35℃

Ambient humidity requirements
≤65%RH
≤65%RH

Dimensions (W*D*H)
2260*1080*659(725)
2260*1080*659(725)

Weight
1850±120
1850±120

Product communication mode
RS485、Ethernet 、CAN
RS485、Ethernet、CAN

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