SYNERGISTIC CONTROL DECISION-MAKING METHOD FOR ENHANCING ADEQUACY AND POWER ANGLE STABILITY UNDER STORM CONDITIONS

Yang Wushen; Hu Junjie; Lu Jiayue; Liu Baozhu

doi:10.19912/j.0254-0096.tynxb.2025-0265

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (6) : 448-458. DOI: 10.19912/j.0254-0096.tynxb.2025-0265

SYNERGISTIC CONTROL DECISION-MAKING METHOD FOR ENHANCING ADEQUACY AND POWER ANGLE STABILITY UNDER STORM CONDITIONS

Yang Wushen, Hu Junjie, Lu Jiayue, Liu Baozhu

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Abstract

To mitigate the risk to secure and adequate operation of power systems under storm conditions, this paper proposes a synergistic control decision-making method aimed at enhancing adequacy and power angle stability. Firstly, the output from wind farms outside storm-affected areas is predicted using the Informer model, providing input for subsequent optimization models. Secondly, based on a “decoupling optimization, aggregation and coordination” strategy, the method decouples system adequacy optimization from power angle stabilization control. For adequacy optimization, operational risk costs are reduced by scheduling adjustable resources. For power angle stabilization, the extended equal-area criterion quantifies the transient stability margin, and preventive-emergency control synergy is applied for each fault scenario to ensure stability. A two-layer optimization model is then constructed and solved iteratively. Finally, case studies on a modified IEEE 39-node system demonstrate the benefits of the proposed model in reducing system load loss and enhancing grid security.

Key words

wind farm / typhoon weather / risk analysis / transient stability / adequacy / extended equal-area criterion

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Yang Wushen, Hu Junjie, Lu Jiayue, Liu Baozhu. SYNERGISTIC CONTROL DECISION-MAKING METHOD FOR ENHANCING ADEQUACY AND POWER ANGLE STABILITY UNDER STORM CONDITIONS[J]. Acta Energiae Solaris Sinica. 2026, 47(6): 448-458 https://doi.org/10.19912/j.0254-0096.tynxb.2025-0265

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