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当前位置：电气工程与自动化 > 2026年 5卷 (2)期

Open Access Article

Journal of Electrical Engineering and Automation. 2026; 5: (2) ; 47-57 ; DOI: 10.12208/j.jeea.20260013.

Aggregation modeling method for wide-area multi-source heterogeneous reactive power resources considering dynamic response characteristics
计及动态响应特性的广域多源异构无功资源聚合建模方法

作者： 丁苍璧¹ *, 郑晨一²

1南京航空航天大学自动化学院江苏南京

2南京林业大学信息科学技术学院、人工智能学院江苏南京

*通讯作者：丁苍璧,单位：南京航空航天大学自动化学院江苏南京；

发布时间: 2026-06-25 总浏览量: 41 下载量: 加载中...

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摘要

新型电力系统的受端电网中新能源、电力电子设备及多元负荷将广泛接入，令无功资源呈现类型多样、分布广泛和动态响应差异明显等特征，传统聚合方法难以准确描述扰动过程中的动态无功支撑能力。因此，本文提出一种计及动态响应特性的广域多源异构无功资源聚合建模方法。首先，根据无功功率特性、动态响应机理及控制方式，将无功资源划分为电力电子型、旋转型、静态负荷、电力电子型负荷和动态负荷五类，并利用无功贡献系数构建聚合模型。其次，采用轨迹灵敏度分析筛选影响电压动态响应的关键参数，降低参数辨识维度，结合改进量子粒子群优化算法完成参数辨识。最后，EPRI-36节点系统及实际受端电网算例表明，所提方法能够较准确地表征电压扰动及恢复阶段的动态响应，提高聚合模型与详细模型的一致性，可为大电网机电暂态仿真和电压稳定分析提供模型支撑。

关键词： 无功资源；聚合建模；动态响应特性；轨迹灵敏度；参数辨识

Abstract

In the receiving-end grids of new-type power systems, renewable energy sources, power electronic equipment, and diversified loads are expected to be extensively integrated, resulting in reactive power resources characterized by diverse types, wide spatial distribution, and significant differences in dynamic responses. Traditional aggregation methods have difficulty accurately representing the dynamic reactive power support capability during disturbances. Therefore, an aggregation modeling method for wide-area multi-source heterogeneous reactive power resources considering dynamic response characteristics is proposed. First, according to reactive power characteristics, dynamic response mechanisms, and control modes, reactive power resources are classified into five categories: power electronic resources, rotating resources, static loads, power electronic loads, and dynamic loads. An aggregation model is then constructed using reactive power contribution. Second, trajectory sensitivity analysis is employed to identify the key parameters affecting voltage dynamic responses, thereby reducing the dimension of parameter identification. The model parameters are subsequently identified using an improved quantum-behaved particle swarm optimization algorithm. Finally, case studies based on the EPRI-36 bus system and an actual receiving-end power grid demonstrate that the proposed method can accurately represent the dynamic responses during voltage disturbance and recovery stages, improve the consistency between the aggregated model and the detailed model, and provide model support for electromechanical transient simulation and voltage stability analysis of large-scale power grids.

Key words： Reactive power resources; Aggregation modeling; Dynamic response characteristics; Trajectory sensitivity; Parameter identification

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引用本文

丁苍璧, 郑晨一, 计及动态响应特性的广域多源异构无功资源聚合建模方法[J]. 电气工程与自动化, 2026; 5: (2) : 47-57.

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