RESEARCH ON STATE EVALUATION OF NEW POWER SYSTEMS BASED ON COOPERATIVE GAME THEORY AND CLOUD MODEL

Saniye&#x000b7;Maihemuti; Fan Xiaochao; Shi Ruijing; Wu Jiahui; Wang Weiqing; Wang Haiyun

doi:10.19912/j.0254-0096.tynxb.2024-1928

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (3) : 111-123. DOI: 10.19912/j.0254-0096.tynxb.2024-1928

RESEARCH ON STATE EVALUATION OF NEW POWER SYSTEMS BASED ON COOPERATIVE GAME THEORY AND CLOUD MODEL

Saniye·Maihemuti¹, Fan Xiaochao¹, Shi Ruijing¹, Wu Jiahui², Wang Weiqing², Wang Haiyun²

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Abstract

Addressing the fact that new power systems have gradually evolved into complex large systems with multi-level structures and multi-time scales, it is difficult to accurately measure their safety and stability levels using a single indicator. Therefore, starting from the actual needs of the power grid, a safety and stability operation state evaluation method for new energy power systems is proposed by constructing a multi-parameter indicator system and evaluation model based on subjective and objective evaluation. The Apriori algorithm is used for association analysis and data mining of safety and stability indicator data of renewable energy power systems to obtain feature indicators closely related to the system’s operational state, and to establish a multi-parameter indicator system for system operation state. On this basis, the DEMATEL-AEW method combining subjective and objective approaches is used to calculate the subjective and objective weight values of the indicator system, respectively. Then, a cooperative game-based combined weighting method is proposed to solve for the combined weights of the evaluation indicators. Finally, the safety and stability operation state of the renewable energy power system is evaluated using cloud model theory. The results show that the proposed indicator system and evaluation method can accurately assess the safety and stability operation state of new energy power systems.

Key words

new energy power systems / safe and stable operation / cloud model / state evaluation / early warning system / cooperative game theory

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Saniye·Maihemuti, Fan Xiaochao, Shi Ruijing, Wu Jiahui, Wang Weiqing, Wang Haiyun. RESEARCH ON STATE EVALUATION OF NEW POWER SYSTEMS BASED ON COOPERATIVE GAME THEORY AND CLOUD MODEL[J]. Acta Energiae Solaris Sinica. 2026, 47(3): 111-123 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1928

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