en.Wedoany.com Reported - Recently, a 2.5 MW/5 MWh energy storage station in Ya'an, Sichuan, passed grid-connection acceptance and officially entered operation. The core equipment of this station utilizes a 5 MWh wind-liquid intelligent cooling DC container independently developed by Dongfang Electric. Through its thermal management design, it enhances operational efficiency, provides energy storage support for the Southwest Power Grid, and aids regional new energy consumption and energy structure optimization.
Dongfang Electric stated that this DC container is a product with 100% independent intellectual property rights, achieving full-chain independent controllability from battery modules to the complete container system. The system adopts a biomimetic hierarchical flow channel intelligent topology design, which can precisely control battery temperature. Under full-power charging and discharging conditions, the temperature difference among thousands of cells inside the container can be controlled within 3.8 degrees Celsius, outperforming the industry average. In sub-zero low-temperature environments, this product does not need to activate the compressor; it can achieve efficient heat dissipation relying solely on natural air cooling, reducing energy consumption while improving overall system efficiency and economic viability.
The Ya'an Energy Storage Station in Sichuan is the first demonstration project in the province to adopt wind-liquid intelligent cooling technology and also a pioneering model for zero-carbon park construction. The project is equipped with distributed photovoltaic power generation equipment, operating in coordination with the 5 MWh wind-liquid intelligent cooling DC container to build a "solar-storage integration" clean energy system. During the day, photovoltaic power generation prioritizes supplying the park's load, with surplus electricity stored in the battery container; at night or during peak electricity consumption periods, the energy storage system releases electricity, achieving efficient transfer and local consumption of photovoltaic power. Through "peak shaving, valley filling, and fluctuation smoothing," the project enhances the park's green electricity self-sufficiency rate. Dongfang Electric plans to continue deepening its presence in the electrochemical energy storage field, advancing the construction of zero-carbon park demonstration projects, and providing economical and reliable power system solutions.
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