A total of 500 KW PCS is used in this 600V-900VDC energy storage system project. The energy storage unit consists of a PCS and 7 battery clusters and is equipped with a battery array management unit device. Each battery cluster consists of a battery cluster management device and 18 each battery packs.
System Specifications:
Nominal Voltage: 1050V
Voltage Range: 800-1300V
Nominal Capacity: 1350Ah
Total Energy: >1000 KWh
Available Energy: >900 KWh
SOC Discharge Window: >90%
Rated Power: 500 KW
Peak Power: To Determined
Battery Type: LFP
Life Cycles: 200 Cycles (SOC >97%); >1000 Cycles (SOC >80%)
Self-Discharge Rate: <3% per 30 days
-4F (-20C) Discharge Capacity: No less than 80% of the rated value
122F (50C) Discharge Capacity: No less than 100% of the rated value
IP Grade: IP21
Fire-proof Grade: V0
Charge Temperature: 32F~131F (0C~55C)
Discharge Temperature: -4F~140F (-20C~60C)
Storage Temperature: -40F~140F (-40C~60C)
Weight: 154 Lbs. (<70 Kg)
Battery Cluster Specifications:
Nominal Capacity: 150Ah
Nominal Voltage (50% SOC): 1036.8V
Min Capacity (80% of nominal capacity): 120Ah
System Configuration: 324S 1P
System Total Energy: >155.5 KWh
System Available Energy: 143 KWh
Voltage Range: 810V~1182.6V
Max Pulse Discharge Current (10s): 450A (50% SOC)
Max Continuous Discharge Current: 225A (55C > T >= 0C); 150A (0C > T > -20C)
Max Pulse Charge Current (10s): 225A
Max Continuous Charge Current: 150A
Max SOC Operation Window: 5% SOC~97% SOC
Life Cycles: >3000 cycles
Work Temperature: Meets cell working temperature
Max Constant Power/CC Charge Voltage: 1134V
Max Pulse Charge Voltage (10s): 1182.6V
Min Constant Power/CC Charge Voltage: 907.2V
Min Pulse Discharge Voltage (10s): 810V
Self-discharge Rate: 3% per 1.08 months
Insulation Resistance Value: More than 50 milliohms
IP Grade: IP21
Volume Energy Density: 126.4 KWh/L
Area Energy Density: 296.5 KWh/m2 (squared)
Dimensions: (760.6 * 690 * 2345 mm)
Weight: (<1500 Kg)
Battery Cell Specifications:
Nominal Capacity: 150Ah
Nominal Voltage: 3.2V
Internal Impedance: 0.35 milliohms
Energy Density: 153 Wh/Kg
Cycle Life: 4000 cycles (80% SOC)
Low Temperature Discharge Capacity Retention -4F (-20C): >90%
Self-discharge Rate: <4% per month
Standard Current: 0.5C (77F (25C))
Max Continuous Charge Current: 1C
Max Pulse Current: 2.6C
Limited Voltage: 3.65V
Cut-off Current: 0.05C
Standard Discharge Current: 1C
Max Continuous Discharge Current: 2C
End Voltage: 2.5V
Charge Operating Temperature: 32~131F (0~55C)
Discharge Operating Temperature: -4~131F (-20~55C)
Storage Temperature: -4~104F (-20~40C)
Storage Humidity: 15%~90% (RH)
State of Charge (SOC): 30%~50%
Delivery Capacity: 30% (SOC)
Dimensions: 6.86 * 1.76 * 7.48 in. (174.2 * 44.7 * 190 mm)
Weight: 6.88 Lbs. (3.12 Kg)
Battery Module Specifications:
Nominal Voltage: 57.6V
Nominal Capacity: 150Ah
Max Continuous Discharge Current: 225A (1.5C)
Max Continuous Charge Current: 150A (1C)
Peak Discharge Current: 400A (2.6C)
Peak Charge Current: 225A (1.5C)
Insulation Requirement: More than 50 milliohms
Heat Method: No
Configuration: 1P 18S
Dimensions: 23.5 * 13.4 * 8.26 in. (596 * 340 * 210 mm)
Weight: 154 Lbs. (<70 Kg)
