S3 Lithium-ion Battery System
“Carbon Peaking • Carbon Neutrality” has become a global priority for all countries and industries, and the concept of green energy saving has also been widely recognized by the people. By following the nuclear-grade safety design concept and leveraging its over 30 years of professional experience in the power field, Kehua deeply applied power electronics to the lithium-ion battery technology and released lithium-ion battery solution with high safety and reliability - Kehua S3 Smart Backup Lithium-ion Battery System Solution (Safety-Li, Smart-Li, Simple-Li).
Safe
● Electrical and physical double isolation
-Reduces the fault scope to an effective space without diffusion
-Port zero voltage, no risk of short circuit shock
● Modular fire protection
-Modular fire protection, Can quickly, accurately and effectively detect and extinguish thefire source will extinguish the fire in the initial stage
● Failure module exit automatically
-Modular parallel design, failure module exit automatically, will not affect the system. Other modules can work normally. Improve the reliability
Smart
● Module design, plug and play
-5mins maintenance, reduce the OPEX cost
● Flexible for expansion
-Module design, can expand the capacity of modules or cabinets.
-Reduce the CAPEX cost
● Smart battery test
-Parallel design, the battery can test the capacity Separately. No need to cut off the power supply, improve the reliability
Simple
● Intelligent current equalization
-Can be used with new and old batteries
-Can be used with lithium-ion batteries from different suppliers
● Intelligent voltage equalization
-Intelligent voltage equalization module, no barrel effect
-Prolong the backup time, improve battery utilization
● Fault recording, early warning
-Fault recording, early warning, accurate and quick fault location, reduce the OPEX cost
● Adaptive SOC management
-Intelligent charge and discharge management, avoid over charge and over discharge
-Detects the battery internal temperature. Improve the safety and reduce the OPEX cost
Battery Cell | 40Ah | 100Ah |
---|---|---|
Type | LFP | |
Dimensions (mm) | 27.0×148.5×133.0 | 50.5×160.3×120.0 |
Weight (kG) | 1.01±0.1 | 1.95±0.1 |
Rated capacity (Ah) | 40 | 100 |
Discharge rate (C) | 6 | 1 |
Charge rate (C) | 1 | |
Rated voltage (V) | 3.2 | |
Battery Pack | S3M040-6C-240-X | S3M100-1C-240-X |
Battery rated voltage (V) | 57.6 | |
Battery capacity (Ah) | 40 | 100 |
Max. energy (kWh) | 2.3 | 5.7 |
DC/DC rated output voltage (V) | 240*2 (In series or parallel) | |
DC/DC rated output power (kW) | 10 | 5 |
Dimensions (W*D*H) (mm) | 223×665×153 | 440×665×132 |
Weight (kG) | 36 | 50 |
Battery Cabinet | S3C040-6C-20-MX | S3C100-1C-12-MX |
Battery max energy (kWh) | 46 | 69 |
Rated output voltage (V) | 240/±240/480 | |
System rated output power (kW) | 200 | 60 |
Number of battery modules | 20 | 12 |
Current-unbalance | ≤5% | |
SOC accuracy | ≥95% | |
Communication | RS485, CAN, TCP / IP, and dry contact | |
Working temperature (°C) | 0~40 (+15~+30 recommended) | |
Altitude (m) | 0~4000m, above 2000m derate | |
Dimensions (W*D*H) (mm) | 600×860×2000 | |
Weight (kG) | 900 | 900 |
Maximum number of paralleled cabinets | 8 | |
Optional | Touch screen, Distribution cabinet, Fire edge cabinet, IT rear frame | |
Self-discharge rate | ≤3% (0-30°C/month) |
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