| 考虑大规模可再生能源接入的电力系统多目标无功优化方法 |
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| 引用本文：周倩1,樊宇姣2,张艳丽1,李小腾1,仇继扬3.考虑大规模可再生能源接入的电力系统多目标无功优化方法[J].电网与清洁能源,2025,41(4):97~103 |
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| 基金项目:国家自然科学基金项目（52009106）；国网陕西省电力有限公司科技项目（5226KY220012） |
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| 中文摘要:为充分挖掘可再生能源参与无功优化的能力，该文对风电机组和光伏单元的功率调节能力进行建模，研究其对电力系统运行的影响。建立了含可再生能源并网的电力系统模型，包含基于拓扑结构、运行特性的风电机组和光伏单元的输出功率模型，以及交流潮流模型；根据可再生能源并网的运行域对其功率模型进行简化，并采用改进直流潮流模型来处理交流潮流约束，以改善模型的非线性特征；以最小化发电成本、弃风弃光成本和电压偏移成本为目标函数，建立多目标无功优化模型，并通过仿真验证了可再生能源参与无功调节对电力系统运行经济性和电压稳定性的改善作用。 |
| 中文关键词:无功优化 多目标优化 风电场 光伏单元 |
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| The Multi-Objective Reactive Power Optimization of Power Systems Considering Large-Scale Renewable Integration |
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| Abstract:To fully harness the capabilities of renewables in reactive power optimization， this paper presents a detailed modeling of the power regulation capabilities of wind turbines and photovoltaic units， and investigates their impact on the power system's operation. Initially， a power system model incorporating renewables is established using AC power flow. The wind turbines and photovoltaic units are modeled based on their topologies and operating characteristics， and subsequently simplified within the feasible region. An enhanced DC power flow model is employed to address the nonlinearity of the power system. Building upon this， a multi-objective reactive power optimization model is constructed to minimize the power generation cost， renewable power curtailment cost， and voltage deviation. Ultimately， simulations confirm that the involvement of renewables in reactive power regulation enhances the operational economy and voltage stability of the power system. |
| keywords:reactive power optimization multi-objective optimization wind farms photovoltaic unit |
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