Selection: 40 x 2.5 MWh Battery Capacity
Rationale: The battery capacity of 40 x 2.5 MWh was selected based on the specific frequency regulation requirements of the project site, with additional redundancy incorporated into the design to ensure reliability.
Benefits: This configuration provides robust support for frequency regulation, maintaining grid stability while offering additional capacity to handle unexpected demands.
Advantage: The 40 x 2.5 MWh capacity ensures that the system can effectively meet the project s frequency regulation needs while providing an extra buffer to enhance operational reliability and flexibility.
Selection: 20 x 2750kW PCS Configuration
Rationale: The PCS configuration includes 20 x 2750kW integrated converter and booster cabinets, equipped with grid-connected and off-grid switching capabilities. These units receive dispatch commands from the EMS, supporting primary and secondary frequency regulation, AVC in coordination with SVG, island protection, high and low voltage ride-through, black start, and other core functionalities. The system also features transformers for high-voltage grid connection.
Benefits: This setup ensures seamless integration with the grid, enhances stability and resilience, and supports critical functions such as frequency regulation and island protection.
Advantage: The 20 x 2750kW PCS configuration enables reliable high-voltage grid connectivity, operational flexibility, and robust response to grid fluctuations, optimizing overall system performance.
Battery Storage System | |||||||
Cell Type | System Battery Configuration | Rated Battery Capacity(MWh) | Battery Voltage Range(V) | BMS Communication Interface | BMS Communication Protocol | ||
3.2V/314Ah |
416S1P*6*40 | 2.5*40 | 1040~1518 | RS485,Ethernet | Modbus TCP | ||
AC Output | |||||||
Rated Power(kWh) | Current Distortion Rate | DC Component | Grid Voltage(KV) | Power Factor | Power factor Adjustable Range | Rated Frid Frequency(Hz) | Grid Frequency Range(Hz) |
2750*20 | < 3 % (at rated power) | < 0.5 % (at rated power) | 35 | > 0.99 (at rated power) | 1 (overrun) to 1 (lag) | 60 | 55~65 |
Each energy storage container is equipped with lithium iron phosphate batteries, an integrated power conversion system, fire suppression, liquid cooling units, and other balance-of-plant components. Designed with built-in redundancy, each container supports full-capacity operation and efficiently handles the demands of 24 7 use, meeting a variety of daily cycling needs.
The BMS monitors key battery health parameters such as voltage, current, and temperature, ensuring optimal performance and extended battery life. Advanced algorithms predict aging trends, providing early warnings to facilitate proactive maintenance planning.
Equipped with an internal liquid cooling unit, the system efficiently maintains optimal battery temperatures even in extreme summer heat, preventing overheating that could lead to performance degradation and safety risks.
Utilizing premium battery cells combined with smart BMS and thermal management technologies, the system significantly enhances battery cycle life and energy density, reducing the total cost of ownership (TCO).
The system is equipped with high-sensitivity smoke detectors that immediately trigger alarms upon detecting any abnormal smoke, providing crucial time for emergency response.
Beyond standard energy storage and emergency backup functions, the system seamlessly integrates with photovoltaic panels and diesel generators, enabling flexible switching between multiple energy sources and enhancing supply stability.