基于模型-数据联合驱动的多微网配电系统经济调度方法A joint model-data-driven economic dispatch method for multi-microgrid distribution systems
陆晓星,肖小龙,叶海涵,刘建,陈武
LU Xiaoxing,XIAO Xiaolong,YE Haihan,LIU Jian,CHEN Wu
摘要(Abstract):
针对多微网配电系统中可再生能源出力波动与电动汽车负荷变化带来的系统调度困难与节点电压越限问题,提出一种基于模型-数据联合驱动的多微网配电系统经济调度与电压控制方法。首先将多微网配电系统建模为主从博弈模型,制定动态电价改善多主体功率互动与效益协调,通过内嵌主动电价更新环路增强日前调度模型的非线性适应性并提高计算速度;然后采用深度强化学习方法进行日前调度指令跟踪与实时分散式电压控制,从而使配电系统在兼顾多主体经济调度的基础上具备充分的无功电压自主调节能力以应对未建模功率扰动。仿真结果表明,所提方法纠正了峰谷电价激励下储能过度追求经济目标而带来的局部功率失衡与调度负担,改善了配电系统中各主体的功率互动,并实现了源荷不定性工况下的电压主动控制。
To address the dispatch challenges and node voltage violations caused by renewable energy output fluctuations and electric vehicle load variations in multi-microgrid distribution systems, a joint model–data-driven economic dispatch and voltage control method is proposed. First, the multi-microgrid distribution system is transformed as a Stackelberg game model, in which dynamic electricity pricing is designed to improve power interactions and benefit coordination among multiple agents. An embedded active price-updating loop is introduced to enhance the nonlinear adaptability of the day-ahead dispatch model while improving computational efficiency. Subsequently, deep reinforcement learning(RL) is employed to track day-ahead dispatch commands and implement real-time decentralized voltage control. This enables the distribution system to maintain autonomous reactive power regulation capability in the presence of unmodeled power disturbances while ensuring multi-agent economic dispatch. Simulation results demonstrate that the proposed method mitigates local power imbalance and dispatch burdens caused by excessive economically driven operation of energy storage systems under peak-valley price incentives, improves power interactions among different entities in the distribution system, and achieves active voltage control under source–load uncertainty conditions.
关键词(KeyWords):
微电网;经济调度;电压控制;主从博弈;多智能体
microgrid;economic dispatch;voltage control;Stackelberg game;multiple agents
基金项目(Foundation): 国家电网有限公司科技项目(J2024163)
作者(Author):
陆晓星,肖小龙,叶海涵,刘建,陈武
LU Xiaoxing,XIAO Xiaolong,YE Haihan,LIU Jian,CHEN Wu
DOI: 10.19585/j.zjdl.202608011
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