Matrix-Type BESS Testing System (2*2.5 MW)
the system integrates multiple high-precision DC energy storage converters, AC/DC bidirectional regenerative converters with loss compensation, and a high-voltage DC bus. This architecture enables the simulation of complex energy flow scenarios and provides reliable, high-performance testing for various types of energy storage equipment.
System Functions
- Battery pack capacity testing
- Battery pack charge/discharge performance testing
- Battery pack charge/discharge efficiency analysis
- State-of-charge (SOC) retention and recovery capability testing
- Battery pack cycle life testing, including multi-channel cycling tests
- Temperature characteristic testing of battery packs
- DC internal resistance measurement
- Pulse charge/discharge response testing
- Dynamic working condition simulation testing
- Overcharge and over-discharge rate endurance testing
System Advantages (During Testing)
- High efficiency in feeding power back to the grid
- Patent-grade common DC bus topology enabling energy transfer between channels on the DC side
- DSP + IGBT-based power control architecture for fast and precise energy management
- Margin-based real-time power control algorithm ensures stable and reliable operation
- Configurable output voltage, current, and power ranges, compatible with various battery specifications and models
- 25-year hardware design lifespan (full system uses IGBT modules and film capacitors to ensure product quality)
- Adaptive AC grid connection technology, eliminating the need to distinguish power grid phase sequence
- Advanced software-based phase-locked control technology with active rectification and inversion; total harmonic distortion of input current (THDI) ≤ 5%
