1.上海电力大学电气工程学院,上海市 200090
2.国网上海市电力公司电力科学研究院,上海市 200437
3.国网浙江省电力有限公司衢州供电公司,浙江省衢州市 324000
余光正(1987—),男,通信作者,副教授,主要研究方向:气象敏感型电力系统分析、新能源高精度预测与建模、新型电力系统稳定。E-mail:powerygz@shiep.edu.cn
李香帅(1998—),男,硕士研究生,主要研究方向:电力系统频率响应。E-mail:2302274413@qq.com
陈甜甜(1988—),女,高级工程师,主要研究方向:智能电网、低碳技术。E-mail:cttinwhu@163.com
收稿:2025-04-01,
修回:2025-09-05,
网络首发:2025-11-12,
纸质出版:2026-02-10
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余光正,李香帅,陈甜甜等.基于分布式灵活性资源一致性建模的调频方法[J].电力系统自动化,2026,50(3):67-76.
YU Guangzheng,LI Xiangshuai,CHEN Tiantian,et al.Frequency Regulation Method Based on Consensus Modeling of Distributed Flexibility Resources[J].Automation of Electric Power Systems,2026,50(3):67-76.
余光正,李香帅,陈甜甜等.基于分布式灵活性资源一致性建模的调频方法[J].电力系统自动化,2026,50(3):67-76. DOI: 10.7500/AEPS20250401004.
YU Guangzheng,LI Xiangshuai,CHEN Tiantian,et al.Frequency Regulation Method Based on Consensus Modeling of Distributed Flexibility Resources[J].Automation of Electric Power Systems,2026,50(3):67-76. DOI: 10.7500/AEPS20250401004.
随着高比例可再生能源并网加剧电力系统频率调节压力,灵活性资源成为频率调节的重要补充手段。然而,灵活性资源分布广、响应参数异构的特性导致集中调控难以适配其动态差异,引发协同效率低下的问题。针对上述挑战,提出多元灵活性资源一致性建模方法及权重动态分配的协同调频策略。通过提炼功率、荷电状态等共性参数,构建基于一阶滞后环节的一致性模型,统一表征资源的动态响应特性。在此基础上,设计“集中训练-分散执行”协同架构。上层统筹全局频率偏差与调频成本优化;下层提出差分奖励驱动的状态交互权重分配机制,通过量化智能体动作对频率控制的贡献,动态筛选高价值交互信息,实现“贡献权重越高,策略影响力越强”的协同控制。最后,以改进的IEEE 39节点为例,验证了所提方法的有效性。
With the increasing integration of a high proportion of renewable energy into power grids
the frequency regulation pressure on power systems has intensified
making flexibility resources an important supplementary means for frequency regulation. However
the characteristics of wide distribution and heterogeneous response parameters of flexibility resources make it difficult for centralized control to adapt to their dynamic disparities
leading to low coordination efficiency. To address these challenges
this paper proposes a consensus modeling method for multi-type flexibility resources and a cooperative frequency regulation strategy with dynamically allocated weights. By extracting common parameters such as power and state of charge
a consensus model (CM) based on the first-order lag element is constructed to uniformly characterize the dynamic response characteristics of resources. On this basis
a collaborative architecture with “centralized training-decentralized execution” is designed. The upper layer coordinates global frequency deviation and frequency regulation cost optimization
and the lower layer proposes a differential reward-driven state interaction weight allocation mechanism
which dynamically screens the high-value interaction information by quantifying the contribution of agent actions to the frequency control
realizing the coordinated control with “higher contribution weights leading to stronger strategy influence”. Finally
the effectiveness of the proposed method is verified through a modified IEEE 39-bus system.
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