EV)与电网双向互动模型,提出了节点级新能源承载力裕度评估指标,并设计了考虑配网新能源承载力的EV自适应动态分群策略。首先,融合图论拓扑与统计分布特性,构建EV与充电站的逻辑关联图模型,实现结构灵活性与量化精度的统一;其次,通过K-means聚类算法实现配电网分区,并构建基于多智能体深度确定性策略梯度算法(multi-agent deep deterministic policy gradient
MADDPG)的两阶段串联决策架构,设计结构响应标签引导的双阶段经验回放机制,以实现EV的动态自适应分群与配网有功-无功联合优化,从而增强配电系统的新能源承载力;然后,针对节点级新能源承载力的评估,构建了融合时序波动、电压稳定与逆潮流约束的高维动态评估模型,并基于均匀流形逼近与投影(uniform manifold approximation and projection
Bing Sun,Ruipeng Jing,Leijiao Ge,Yuan Zeng,Shimeng Dong,Luyang Hou.Quick Hosting Capacity Evaluation Based on Distributed Dispatching for Smart Distribution Network Planning with Distributed Generation[J].Journal of Modern Power Systems and Clean Energy,2024(01).
Junyi Yang,Jiangmin Bao,Yuhan Hou,Han Wu,Qiang Li,Yue Yuan.DG Hosting Capacity Assessment Considering Dependence Among Wind Speed, Solar Radiation,and Load Demands[J].CSEE Journal of Power and Energy Systems,2024(03).