for diverse scenario applications. As a Tier 1 energy storage supplier globally and the world's leading provider of PV and ESS solutions, Kehua is showcasing its high-security R&D achievements and high-performance energy storage solutions in an all-round way.
S³-EStation Premiere
The spotlight was on Kehua's newly showcased S³-EStation 2.0 5MW/10MWh intelligent liquid-cooling energy storage system with grid-forming features. The solution integrated a 5MWh liquid cooling battery energy storage system and a 5MW MV Skid, supported by over 100 patents and featuring three key technological highlights:
Safe: The 5MWh liquid-cooled container is equipped with multi-point monitoring for rapid fire alarm activation. The co-operation of 3-level fire protection system, i.e., pack-level modular fire distinguish device, cluster-level aerosol fire distinguish and container-level compartment sprinkler fire protection ensures the safety and reliability of the solution.
Smart: Kehua S³-EStation 2.0 5MW/10MWh with liquid cooling BESS, which has an air outlet on the top of the station. The ambient temperature of the station can be reduced by 9℃ under the same condition, which enables the system to run with higher efficiency and longer service life. The global grid-forming design of the system achieves inertia, active/reactive power regulation functions, and the ability to support the power grid actively. The system can withstand a short circuit capacity ratio (SCR) down to 1.1, furthermore, the system can achieve a ɥs level grid-forming ability and ms level power response ability, which can effectively suppress power grid fluctuations, significantly improve power quality, and ensure the continuity and stability of power supply.
Simple: Through increased battery capacity and structural upgrades, the EStation 2.0 achieves a 45% density improvement, effectively reducing the space requirements of the energy storage system. Factory pre-assembly and testing provide a better on-site installation experience. Standard-sized transport facilitates simpler and more cost-effective equipment transportation.
Zero-carbon Utility Solution
In addition to large-scale energy storage solution, Kehua presented a diversified utility-scale photovoltaic solution with superior ROI. The new generation 350kW string inverter showcased at the booth demonstrated outstanding performance in power generation, safety, reliability, and adaptability. With a 12/15 MPPT design and a maximum efficiency of 99.02%, it significantly increases power generation. With an
IP66 protection rating and optional C5 protection, it delivers enhanced value in various environments such as deserts and islands.
Zero-carbon C&I Solution
For commercial and industrial energy storage applications, Kehua's S³-EStore C&I liquid-cooling ESS, continues to attract great attention. The system combines active safety, streamlined flexibility, and intelligent efficiency by integrating PCS, BMS, batteries, fire protection, and liquid cooling systems in a compact 1.3m² footprint. With an overall efficiency of up to 90.2%, cluster-level fine management, simple delivery and installation, and flexible expansion capabilities, it meets diverse requirements for commercial and industrial parks, further enhancing the profitability of commercial and industrial energy storage. At present, the system has been widely used in Europe and Latin America.
