TLEN-C Series High-Voltage Cascaded Energy Storage SystemEnergy Storage
The TLEN-C system features leading technology that connects directly to the 6–35 kV grid without a transformer. It consists of series-connected power converter units and includes the battery system, PCS, BMS, and EMS. It is a mature, cost-effective solution for power systems and industrial applications.
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Station Optimization: 20-100MW units simplify large-scale config
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Strong Grid-Forming: Rapid regulation, excellent grid support
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High Safety: Series cell connection, robust fire protection
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High Efficiency: >91% cycle efficiency (HV connection + cluster management)
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Rapid Grid Connection: Less on-site debugging, supports black start/direct dispatch
Core Advantages & Features
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High energy densityCompact size and light weight improve space utilization.
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Long cycle lifeLithium-iron-phosphate cells reach 6 000 cycles, > 10-year lifespan.
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High charge-discharge efficiencySupports high-rate discharge with high charging efficiency.
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Technical Parameters
| Basic Specifications | |
|---|---|
| Cascaded high-voltage energy storage PCS | |
| Configuration | Integrated PCS and battery enclosure, 3-phase |
| Operating temperature and humidity | -20~55℃，10%~90% |
| Noise level | ＜75dB |
| System expansion | Supports parallel connection of multiple units |
| Installation method | Containerized |
| AC overload capacity | 110% continuous operation; 120% for 10 minutes |
| Grid-connected operation | |
| Voltage range | -10%~15%Un |
| Power factor | >0.99 (at Rated Power) |
| AC current distortion rate | ＜2% |
| Power control accuracy | ≤0.5% |
| Islanding detection time | ＜5ms |
| Island operation | |
| Voltage accuracy | -1%~1% |
| Output voltage distortion | <0.5% (linear load) |
| Voltage variation range | -5%~5% |
| Frequency variation range | -2% to +2% (resistive load) |
| Voltage unbalance | ＜1% |
| Cascaded high-voltage energy storage system | |
| Operating temperature range | -30°C to +50°C (derating above 45°C) |
| Storage temperature range | -40~60℃ |
| Maximum Operating altitude | 3000 m (customization required above 2000 m) |
| Fire protection system | FM200 gas fire suppression + combustible gas detection + exhaust ventilation |
| Communication protocols | Modbus RTU, Modbus TCP, IEC104, optional: IEC61850 |
| Protection rating | IP54 |
| Standards | GB/T 36276，GB/T 34131，GB/T 34120 |
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