
The 125kW Energy Storage Converter Module by YT-Electric is a high-efficiency power conversion system tailored for industrial and commercial energy storage applications. Featuring an ultra-wide DC voltage range (600–1000V), it is fully compatible with 48S/52S liquid-cooled battery clusters using 314Ah large battery cells.
Built with advanced SiC power devices, the system achieves up to 99% efficiency and supports 100% unbalanced load through its robust three-phase four-leg design. Certified to meet CE and GB 42288 standards, it offers dual AC/DC isolation, built-in DC contactors and fuses, and optional grid-disconnected parallel capability for overseas projects.
This converter is ideal for energy storage systems requiring high reliability, fast response, and seamless integration with complex power environments.
The 125kW Energy Storage Converter Module from YT-Electric is a high-performance Power Conversion System (PCS) designed specifically for industrial and commercial energy storage applications. It supports a wide DC voltage range of 600–1000V, making it fully compatible with 314Ah liquid-cooled battery clusters (48S/52S). Utilizing advanced SiC power devices and YT-Electric’s proprietary three-phase four-leg topology, the system ensures reliable performance even under 100% unbalanced load conditions. Engineered to meet both CE and GB 42288 standards, it is suitable for on-grid and off-grid energy storage scenarios in global markets.
Ultra-High Efficiency: SiC (Silicon Carbide) power components enable a peak efficiency of up to 99%, reducing system losses and improving overall energy yield compared to conventional IGBT solutions.
Wide Battery Compatibility: Supports 600–1000V DC input range, ensuring flexible integration with various high-capacity battery systems including 48S/52S liquid-cooled configurations.
Unbalanced Load Support: The three-phase four-leg design guarantees stable operation under 100% unbalanced or nonlinear load conditions—ideal for complex industrial power environments.
Integrated Safety Protection: Equipped with both AC and DC disconnection functions, including DC contactors and fuses for both polarities, meeting GB 42288 and CE safety requirements.
Flexible Grid Connection: The overseas version features grid-disconnected parallel capability, making it suitable for microgrids and off-grid systems with high reliability.
Product Name |
125 kW PCS |
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Factory Model |
YTPCS-PCS/125 |
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DC Side Parameters |
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DC voltage range |
DC600V~1000V |
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limited load voltage: |
DC600V-630V,DC950V-100 |
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Full-load voltage range |
DC630V~950V |
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Rated DC current |
198A |
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Rated DC power |
125kW |
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AC Grid-connected Parameters |
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Rated AC power |
125kW |
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Overload capacity |
1.1 times |
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≤ 40°C |
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Rated voltage |
AC400V |
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Rated AC current |
180A |
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AC access method |
Three-phase four-wire |
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Grid voltage range |
400V (-15%~+15%) |
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Grid frequency range |
50Hz/60Hz±2.5Hz |
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THDi |
≤ 3% (full load) |
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Power factor |
0.99/-1~1 |
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Current DC component |
≤0.5% |
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Charge and discharge conversion duration |
<100ms |
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AC Grid-disconnected Parameters |
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AC grid-disconnected voltage |
AC400V |
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AC voltage range |
AC400V±3% |
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AC grid-disconnected frequency |
50Hz/60Hz |
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Grid-disconnected output THDU |
≤ 3% (linear load) |
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Unbalanced load capacity |
100% |
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Other Parameters |
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Maximum conversion efficiency |
≥99% |
Full load maximum efficiency > 98% |
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Allowable ambient temperature |
-30℃~60℃ |
≥50℃ derating |
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Allowable relative humidity |
≤95% |
No condensation |
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Noise |
≤75dB |
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Protection grade |
IP20 |
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Altitude |
3000 m |
≥2000m for limited load |
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Dimension |
W520mm×H240mm×D680mm |
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Weight |
≤70KG |
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Altitude |
≤ 2000m Rated Capacity, >2000m (derating 1% per 100m) |
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Cooling method |
Forced air cooling |
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Wiring, air flow design |
Primary/secondary connection: front air inlet: front air outlet: rear |
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BMS communication interface |
CAN or 485 |
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EMS communication interface |
Ethernet or 485 |
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