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为提升配电网与微电网运行收益，降低微电网用能成本，提出基于主从博弈的微电网分布式交易策略。首先基于主从博弈建立配电网-微电网多目标双层优化交易模型，其中上层以代理商利润最大为目标建立配电网交易模型，下层以运营商运行成本最低为目标建立微电网用能优化模型；然后引入KKT(Karush-Kuhn-Tucker)条件将所建双层模型单层化，并基于线性变换将模型进一步转换为混合整数线性规划模型，以解决上下层交易模型间的嵌套求解难题。仿真结果表明，所提交易策略能有效提升配电网代理商收益，同时降低微电网的运行成本，可为含微电网参与的电力市场决策提供参考。
Abstract：To enhance the operating revenue of distribution networks and microgrids while reducing microgrid energy usage costs, this paper proposes a distributed trading strategy for microgrids based on Stackelberg game theory.First, a multi-objective bilevel optimization trading model for distribution networks and microgrids is established based on Stackelberg game theory. In this framework, the upper level models the distribution network trading scheme, with the objective of maximizing the agent's profit; the lower level formulates the microgrid energy usage optimization model, aiming to minimize the operator's operational costs. Subsequently, the Karush-Kuhn-Tucker(KKT) conditions are introduced to convert the bilevel model into a single-level formulation. Through linearization techniques, the reformulated model is further transformed into a mixed-integer linear programming(MILP) model, thereby resolving the nested solving challenges inherent in hierarchical transaction models. Simulation results demonstrate that the proposed strategy significantly increases the distribution network agent's revenue and reduces microgrid operational costs. This work provides a reference for decision-making in electricity markets incorporating microgrids.
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基本信息:
DOI：10.19585/j.zjdl.202506002
中图分类号:TM73
引用信息:
[1]林达,陈哲,李志浩等.含多微电网的配电网双层互动式电能交易方法[J].浙江电力,2025,44(06):20-30.DOI:10.19585/j.zjdl.202506002.
基金信息:
国家电网有限公司科技项目（5400-202319829A-4-1-KJ）