Description
【Overview】
This energy storage converter module utilizes SiC devices to achieve bidirectional conversion between AC and DC, featuring high efficiency and bidirectional energy flow within the converter, with automatic switching between charging and discharging. It supports grid-connected and off-grid operations as well as module parallel connection. It also supports RS485/CAN/Ethernet/dry-contact communication, facilitating communication and control with third-party devices.
This power supply is widely applied in various fields such as peak shaving, photovoltaic-storage direct utilization, and photovoltaic-storage-diesel systems, making it the preferred product for industrial and commercial energy storage.
【Product Advantages】
Safer and More Reliable
- It supports a wider DC voltage range of 600~950Vdc, compatible with various Ah battery systems.
- With DSP+CPLD full digital control and multi-level software and hardware overcurrent, overvoltage, and overtemperature protection, it ensures safety and reliability.
- It enables individual management and optimization for each battery cluster.
- The product is stable, reliable, with good environmental adaptability and strong grid adaptability.
Higher Efficiency
- Adopting third-generation power semiconductor SiC devices, it achieves a maximum efficiency of 98.7%. Compared to traditional IGBT-based systems, it offers higher overall efficiency, lower product losses, reduced electricity costs, and a shorter payback period with higher returns for industrial and commercial energy storage projects.
- The maximum efficiency reaches 98.7%.
Smarter and More User-Friendly
- Equipped with an STS module, it supports seamless switching between grid-connected and off-grid modes.
- With high power density and compact product size, it facilitates a more compact overall design for integrators.
- It supports multiple interfaces including CAN, RS485, Ethernet, and dry contacts.
Here is the information in table format as requested:
【Technical Specifications】
| Category | Specification | Details |
|---|---|---|
| Product Name | 125kW Energy Storage Converter Module | |
| Product Model | BM125K950 | |
| DC Side Parameters | DC Voltage Range | 600～950Vdc @400Vac; 720～950Vdc @480Vac |
| Full-load DC Voltage Range | 630～950Vdc @400Vac; 720～950Vdc @480Vac | |
| Rated Current | 198A | |
| Rated Power | 125kW | |
| AC Side Parameters (Grid-connected) | Rated Grid Voltage | 400Vac |
| Grid Voltage Range | 320～460Vac, 320～400Vac linear derating | |
| Frequency Range | 50/60Hz (-5～5) Hz | |
| Voltage System | Three-phase five-wire (3W+N+PE) | |
| Rated Power | 125kW | |
| Rated Current | 180A | |
| Power Factor Range | 0.99/-1～1 | |
| Current Harmonics | <3%, full-load | |
| Overload Capacity | 1.1 times long-term | |
| DC Component | ≤0.5% | |
| Maximum Conversion Efficiency | ≥98.7% | |
| Charge-discharge Switching Time | <50ms | |
| AC Side Parameters (Off-grid) | Rated Output Voltage | 400Vac |
| Rated Output Power | 125kW | |
| Rated Output Frequency | 50/60Hz | |
| Maximum Apparent Power Output | 137.5kW | |
| Maximum Output Current | 198A | |
| Output THDU | ≤3% (linear load) | |
| Protection Features | Overvoltage Protection | Equipped |
| Overcurrent Protection | Equipped | |
| Short-circuit Protection | Equipped | |
| Overtemperature Protection | Equipped | |
| Anti-islanding Protection | Equipped | |
| Surge Protection | Equipped | |
| DC Reverse Connection Protection | Equipped | |
| System Parameters | Operating Temperature | -30～60 ℃, output power derating above 45℃ |
| Storage Temperature | -40～75 ℃ | |
| Humidity | 0%RH～95% RH, no condensation | |
| Altitude | 4000m (derating starts above 2000m) | |
| Noise | ≤73dB | |
| Dimensions (WDH) | 500620200mm (excluding ears and handles) | |
| Weight | 50Kg | |
| Protection Class | IP20 | |
| Cooling Method | Independent air duct, intelligent air cooling | |
| Communication Interface | RS485, CAN, Ethernet, dry contact | |
| Compliant Standards | GB/T 34120-2023, GB/T 34133-2023, EN 62477, EN IEC 61000 |
This table maintains the original format and structure while presenting the information in English.
