1.Product: 261kWh liquid cooled storage converged cabinet 

2. Technical specifications:

3. Feature：

(1) greater security:

l The Intelligent BMS system is equipped with advanced protection features including overheat, overcurrent, low voltage, and high voltage safeguards. Additionally, it incorporates a four-level short circuit protection design.

l Moreover, the active fire suppression system employs a PACK-level immersion fire extinguishing design to effectively prevent re-ignition during the early stages of thermal runaway.

(2) higher integration：

l By adopting an integrated all-in-one design, which combines 3S (BMS + PCS + EMS), customized liquid cooling, and a fire protection system, we achieve seamless integration. The communication interface is highly versatile, facilitating simplified external wiring and enabling direct on-site installation after comprehensive debugging.

(3) Higher economy:

l The liquid cooling system mitigates battery degradation, effectively prolonging the lifespan of the system and reducing electricity costs.

l The intelligent EMS system devises operational strategies based on power consumption load, thereby minimizing peak demand and optimizing electricity expenses for profitability.

(4) Higher efficiency:

l The PCS employs a three-phase three-bridge arm design, incorporating a straightforward algorithm and efficient solution for spatial vector control, thereby facilitating system management.

l The customized balancing system enhances battery consistency, while the modular PCS resolves issues related to battery parallel circulation. Moreover, the charging and discharging efficiency of the system exceeds 88%.

l Additionally, an intelligent liquid cooling system with precise thermal management ensures that the temperature difference within the system remains below 3℃.

(5)Lower O&M costs:

l The outdoor cabinet features an IP54 design, boasting a compact footprint and flexible layout. It exhibits robust environmental adaptability. The cabinet incorporates a modular design, enabling parallel usage and facilitating easy installation, deployment, and expansion.

l By employing rotating components, the wind cooling system is reduced by 90%, ensuring stable and reliable operation with a low failure rate.

l The liquid cooling system demonstrates high heat dissipation efficiency, resulting in a 30% reduction in self-consumption compared to the wind cooling system, effectively saving auxiliary power expenses.

l Equipped with an EMS system, it possesses cloud platform functionality for online monitoring of operational status, remote fault diagnosis, and automatic reporting to achieve intelligent operation and maintenance.

4.Scene:
(1)Peak-valley arbitrage: Utilizing the price difference between electricity during off-peak hours and during peak hours, charging at low prices and discharging at high prices, to save electricity bills.   

(2)Emergency backup power supply: Provides backup power for critical loads such as hospitals and data centers.   

(3)Capacity cost management: Smooth out short-term load spikes and reduce demand charges (such as impact loads from factories).   

(4)Integrated photovoltaic, storage, and charging: By combining photovoltaic panels and charging piles, a closed-loop system of low-carbon energy is achieved in the park.   

Advantage:

This liquid-cooled energy storage integrated cabinet adopts an advanced single-cabinet liquid cooling and thermal management solution, ensuring a small temperature difference of less than 3°C among the batteries inside the cabinet, further enhancing the consistency of the system's battery pack and thus extending the battery life. The modular design of the integrated machine makes the parallel operation scheme more flexible, especially suitable for low-voltage grid-connected industrial and commercial energy storage applications, significantly improving the project's economy, safety, and deployment convenience.