200kWh Lithium Ion Battery Energy Storage 2MW Battery Storage 6000 Cycles
2MW Energy Storage System
2MW energy storage system is a combination of 2*1MW energy storage systems which are in two separate containers.
The system is charged automatically during valley time when eletricity is very cheap and discharge at peak time and the user can save cost from the huge price difference. Also, the energy storage system supplies power during power failure.
2MW-class Energy storage systems are usually containerized for the advantages of high capacity, high reliability, high flexibility and environmental adaptability, which has a wide application prospect in the power grid system.
The battery PACK box is 1P16S, and the parameter is 51.2V/280Ah (14.336kwh). The series of 14 battery modules consist one cluster, and the energy is 51.2V*280Ah*14=200kWh and five clusters consist the system.
Cluster Specification of 2MW-class Energy Storage System
| Item | Parameter |
| Overall Energy | 200kWh, 25℃@0.5C rated |
| Rated Voltage | 716.8V |
| Operational Voltage | 650V~806V |
| Converting Efficiency |
DC Side: ≥97%(25℃,0.5C)(Max. conversion efficiency) |
| Communication | BMS:CAN/2 Routs |
| Equalization | Passive |
| Max. Cluster Discharge Current | 280A |
| Operational Environment | Below 2000m altitude |
Cells for 2MW Energy Storage System
The cell is lithium iron phosphate cell, model specifications: Pc-0b1-72174l4-ah, capacity 280Ah, nominal voltage 3.2V, working voltage range 2.5-3.65V, cell monthly self-discharge rate ≤3%, cell through GBT 31484-2015, GBT 31485-2015 and GBT 31486-2015 national strong test, The safety performance meets the national standards.
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