Selection: Five units with 1.93MWh battery capacity each.
Rationale: The 1.93MWh capacity per unit was selected based on the specific requirements of the frequency regulation project, ensuring redundancy in the design.
Benefits: This capacity meets the frequency regulation needs on-site while providing additional reliability and flexibility.
Advantage: The 1.93MWh capacity per unit ensures continuous and stable operation, enhancing the system s overall performance and resilience.
Selection: Five units of 1MW PCS integrated cabinets.
Rationale: The 1MW PCS integrated cabinets were chosen for their on-grid and off-grid switching capabilities, allowing them to receive EMS dispatch commands and perform primary and secondary frequency regulation.
Benefits: The PCS units work seamlessly with SVG to achieve AVC, provide islanding protection, and offer high and low voltage ride-through capabilities, along with black start functions.
Advantage: These PCS units ensure robust system performance with advanced control functions, enhancing the stability and reliability of the entire energy management system.
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 |
240S1P*8*5 | 1.93*5 | 600~876 | RS485,Ethernet | Modbus TCP | ||
AC Output | |||||||
Rated Power(MWh) | Current Distortion Rate | DC Component | Grid Voltage(V) | Power Factor | Power factor Adjustable Range | Rated Frid Frequency(Hz) | Grid Frequency Range(Hz) |
1*5 | < 3 % (at rated power) | < 0.5 % (at rated power) | 400 | > 0.99 (at rated power) | 1 (overrun) to 1 (lag) | 60 | 55~65 |
Equipped with a built-in cooling air conditioning system, the battery cabinets maintain optimal temperatures even under extreme Texas summer heat. This high-efficiency cooling system prevents overheating, thereby avoiding performance degradation and safety risks, ensuring reliable and safe battery operation.
The meticulously designed airflow duct ensures smooth air circulation and even distribution of cool air, enhancing cooling efficiency while minimizing noise pollution.
Smoke Detectors: Equipped with high-sensitivity smoke detectors, the system immediately triggers an alarm upon detecting abnormal smoke, providing crucial time for emergency response. Perfluorohexanone Fire Suppression System: Utilizing advanced heptafluoropropane fire suppression technology, the system rapidly releases extinguishing agents, effectively controlling the fire source and protecting the batteries from fire damage.
The BMS monitors key battery health parameters such as voltage, current, and temperature, ensuring optimal performance and extending battery lifespan by maintaining the system in its best operating condition.
Beyond conventional energy storage and emergency backup functions, the system seamlessly integrates with solar panels and diesel generators, enabling flexible switching between multiple energy sources and enhancing the stability of energy supply.
Equipped with a built-in cooling air conditioning system, the battery cabinets maintain optimal temperatures even under extreme Texas summer heat. This high-efficiency cooling system prevents overheating, thereby avoiding performance degradation and safety risks, ensuring reliable and safe battery operation.