全球邁向 2050 淨零碳排之際，臺灣於 2030 年將累積大量離岸風電併網，增加特定引接點輸電線路壅塞風險，此為系統調度關鍵課題。本研究聚焦中部地區風電併網對 N-1 線路所造成之負載壓力，建構以最佳化儲能與風能削減為核心之壅塞管理策略，並從電力公司營運視角進行系統淨損益分析。藉由 PSS/E 與 PLEXOS 模擬軟體結合長期投資與短期調度層次，量化不同策略對線路負載與經濟效益的影響。研究結果顯示，儲能與削減策略皆能有效緩解壅塞並降低系統虧損，且在不同週期展現差異化優勢。隨後進行躉購與轉供比例敏感性分析，驗證策略選擇之穩健性。研究成果可作為高風併網區域壅塞管理與資源部署之決策依據。

As Taiwan paves the way toward its goal of achieving net-zero emissions by 2050, offshore wind power is expected to expand significantly by 2030, increasing the risk of transmission congestion at specific connection points. This study focuses on N-1 contingency-related line overloading in central Taiwan, assessing the effectiveness of congestion management through energy storage and wind curtailment strategies. Utilizing PSS/E and PLEXOS for long-term planning and short-term dispatch modeling, three scenarios are analyzed to evaluate their impacts on transmission loading and cost-benefit outcomes. The results indicate that both strategies effectively mitigate peak congestion and reduce system costs, each offering distinct advantages under varying conditions. Sensitivity analyses on power purchase agreements further validate the effectiveness of these strategies. These findings provide constructive references for future congestion management and resource deployment in regions with high wind power penetration.

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