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CK-NL-76.8 Zero-Carbon Integrated System
- Strong expansion, supporting multi-machine expansion
- Three-phase four-leg topology, reactive power compensation, isolated network independent operation function
- Liquid-cooled heat dissipation, reliable operation: efficient heat dissipation system, faster and more uniform heat dissipation
- Integrated integration: compact structure design, efficient integration with smaller volume, suitable for different scenarios.
- Rated voltage of DC side: 768Vdc
- Size: 1700mm*1405mm*2150mm
►Overview
The CK-NL-76.8 Zero-Carbon Integrated System is a novel eco-friendly backup power solution developed for photovoltaic energy storage and backup power applications. The system utilizes environmentally friendly Lithium Iron Phosphate (LFP) batteries and incorporates a customized BMS (Battery Management System) to efficiently manage battery cells, delivering superior performance, safety, and reliability compared to traditional batteries. The product features a high number of charge-discharge cycles, high power density, and an extended service life. With unique design innovations in compatibility, energy density, real-time monitoring, safety, reliability, and aesthetics, it provides users with an enhanced energy storage application experience.
►Product features
Photovoltaic-Storage Synergy
Prioritizes the use of photovoltaic power generation to supply the load, stores surplus electricity in batteries, and supplements power deficits with battery or grid supply when needed, achieving self-consumption, surplus energy storage, and peak shaving/valley filling.
Intelligent Switching
Supports seamless switching between grid-tied, off-grid, and hybrid power supply modes. During outages, it switches to off-grid power supply within 20ms to ensure uninterrupted power for critical loads.
Long Cycle Life
Cell lifespan ≥6000 cycles (80% EOL).
►Technical parameter
| Battery Parameters | |
| Battery type | Lithium iron phosphate |
| Rated capacity | 100Ah |
| Module model | 1P24S |
| Combination method | 1P*24S*10S |
| Rated energy | 76.8kWh |
| Cluster nominal voltage | 768V |
| Execution standard | GB/T36276-2023、UN38.3 |
| AC side parameters (grid-connected) | |
| Rated Power | 30kW |
| Rated Voltage | AC380V |
| Allowed grid voltage range | 380V(-15%~+15%) |
| Overload capability | 1.1 times Long-term、1.2 times 10min |
| Rated Current | 43A |
| Rated Frequency | 50Hz |
| Grid Frequency Range | 50/60Hz |
| Wiring Method | Three-Phase Four-Wire |
| Grid Current Harmonic Distortion Rate (THDI） | 3% |
| Power Factor | 0.8cap~0.8ind |
| AC Side Parameters (Off-Grid) | |
| Grid Type | 3L+N |
| Rated power | 30kW |
| Rated Current | 43A |
| Rated Output Voltage (Vac) | AC380V |
| Voltage Unbalance Rate | 100% |
| Total Voltage Harmonic Distortion Rate | 2%@Linear Load |
| Overload capability | <110% Load Long-Term Operation, 110%~120% Load 10mmin |
| Photovoltaic Parameters (MPPT) | |
| Rated Power | 30kW |
| Voltage Range | DC200～850V |
| Rated voltage | DC800V |
| Maximum Input | 100A |
| Maximum Efficiency | 98.5% |
| System Parameters | |
| Dimensions | 1200*1440*2200(W/D/H) (Excluding Air Conditioning Dimensions) |
| Weight | 1250kg |
| System Voltage Range | 672-876V |
| Protection Rating | IP54 |
| Operating Temperature | -20~50℃ |
| Relative Humidity | 5~95%(No Condensation) |
| Cooling System | Air-Cooled Air Conditioning |
| Fire Protection System | Perfluorohexanone |
| Maximum Efficiency | ≥86% |
| Communication Method | RS485/CAN/Ethernet/Dry Contact |
| Protection | Over-temperature, input/output over/under-voltage, output over-current, etc. |
| Altitude | Derating above 2000m |
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