RISK ASSESSMENT OF ELECTROCHEMICAL ENERGY STORAGE POWER STATIONS BASED ON COMBINED WEIGHTING-CLOUD MODEL

Zeng Xing; Wei Bin; Lai Yilin; Chen Hao; Zhao Yi

doi:10.19912/j.0254-0096.tynxb.2025-1112

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (12) : 9-13. DOI: 10.19912/j.0254-0096.tynxb.2025-1112

RISK ASSESSMENT OF ELECTROCHEMICAL ENERGY STORAGE POWER STATIONS BASED ON COMBINED WEIGHTING-CLOUD MODEL

Zeng Xing, Wei Bin, Lai Yilin, Chen Hao, Zhao Yi

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Abstract

In response to the frequent occurrence of safety incidents at energy storage stations and the limitations of existing safety assessment methods-such as arbitrary weight assignment, inadequate handling of uncertainty, and limited adaptability to diverse scenarios-this paper proposes a safety risk assessment method for energy storage stations based on a combined weighting cloud model. First, by comprehensively considering the overall operation of the energy storage station, an assessment index system for safety risks is constructed to address the deficiencies of existing systems, namely the lack of holistic operational representation and insufficient applicability. Second, an improved Analytic Hierarchy Process （AHP） is employed to determine subjective weights, eliminating the consistency verification issue inherent in traditional AHP; this is combined with the CRITIC method to calculate objective weights for each index, and a game-theory-based approach is used to optimize the weight combination. Then, a safety risk assessment model based on the cloud model is developed using cloud theory, fully leveraging its strengths in converting uncertainties between qualitative concepts and quantitative data, thereby effectively resolving the assessment challenge posed by the coexistence of randomness and fuzziness in the risks of energy storage stations. Finally, taking a lithium iron phosphate energy storage station as a case study, the effectiveness of the proposed method is validated, providing valuable reference and a scientific criterion for the safe and stable operation of energy storage stations.

Key words

energy storage power station / risk assessment / indicator system / combined weighting / game theory / cloud model

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Zeng Xing, Wei Bin, Lai Yilin, Chen Hao, Zhao Yi. RISK ASSESSMENT OF ELECTROCHEMICAL ENERGY STORAGE POWER STATIONS BASED ON COMBINED WEIGHTING-CLOUD MODEL[J]. Acta Energiae Solaris Sinica. 2026, 47(12): 9-13 https://doi.org/10.19912/j.0254-0096.tynxb.2025-1112

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