DESIGN AND CONTROL STRATEGY OF INTEGRATED SYSTEM OF EARLY WARMING AND FIRE PROTECTION FOR LITHIUM-ION BATTERIES ENERGY STORAGE POWER STATION

Xu Liang

doi:10.19912/j.0254-0096.tynxb.2022-0411

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (5) : 478-483. DOI: 10.19912/j.0254-0096.tynxb.2022-0411

DESIGN AND CONTROL STRATEGY OF INTEGRATED SYSTEM OF EARLY WARMING AND FIRE PROTECTION FOR LITHIUM-ION BATTERIES ENERGY STORAGE POWER STATION

Xu Liang^1,2

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Abstract

In order to meet the safety requirements of lithium-ion batteries energy storage power station, the integrated system of early warning and fire prevention was designed according to the principle of“prevention first, prevention and elimination combined”. The integrated system realized data fusion and intelligent diagnosis, and established a complete system of early warning and late fire prevention. Take the prefabricated compartment structure of actual energy storage power station as reference, the prefabricated compartment test platform was set up to conduct thermal runaway and fire extinguishing tests of lithium-ion batteries and modules. The results showed that control strategy of the integrated system implement early warning and later fire protection of the fire through the hierarchical working steps of safety warning, protection and fire fighting in order to minimize the damage caused by the thermal runaway. In addition, using water mist as the extinguishing medium can extinguish the fire of lithium iron phosphate batteries in a short time and effectively prevent the batteries from reburning.

Key words

lithium-ion batteries / energy storage / fire prevention / thermal runaway / integration of early warming and fire protection / control strategy

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Xu Liang. DESIGN AND CONTROL STRATEGY OF INTEGRATED SYSTEM OF EARLY WARMING AND FIRE PROTECTION FOR LITHIUM-ION BATTERIES ENERGY STORAGE POWER STATION[J]. Acta Energiae Solaris Sinica. 2022, 43(5): 478-483 https://doi.org/10.19912/j.0254-0096.tynxb.2022-0411

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