交直流混合配电网由于其灵活可控和直流源荷友好接入性等优点受到广泛研究，此外需求侧柔性资源的增加使得对需求响应的高效利用更加多元。基于此，文章提出考虑多类型需求响应的交直流混合配电网低碳运行管控策略，将电网公司作为领导者，负荷聚合商和电动汽车代理商作为跟随者，建立考虑光伏不确定性的主从博弈模型。在该模型中，电网公司以运营利润最大化和CO2排放量最小化为目标，并考虑光伏出力不确定性，构建交直流混合配电网的分布鲁棒优化模型；跟随者以自身收益最大化为目标响应实时电价，调整用户负荷削减功率和电动汽车充电功率。采用KKT(karush-kuhn-tucher)条件把跟随者模型等效为领导者模型的均衡约束，将双层互动博弈模型转化为单层的分布鲁棒优化模型，采用CCG(column and constraint generation)算法分解模型为主、子问题进行求解。仿真结果表明所提模型能够实现配电网的低碳经济运行。
英文摘要:
The AC/DC hybrid distribution network has been widely studied due to its advantages such as flexible controllability and DC source-load friendly access, moreover,the increase of demand-side flexible resources makes the efficient utilization of demand response more diverse.On this basis, this paper proposes a low-carbon operation management strategy of AC/DC hybrid distribution network considering multi-type demand responses. Taking the power grid company as the leader, and the load aggregator and the electric vehicle agent as the follower, a master-slave game model is established consideringthe uncertainty of photovoltaics. In this model, the power grid company aims to maximize operating profit and minimize CO2 emissions, and considers the uncertainty of photovoltaic output to build a distributed robust optimization model for the AC/DC hybrid distribution network; followers maximize their own benefits to target in response to real-time electricity pricesand adjustuser load curtailment power and eletric vehicle charging power. The follower model is equivalent to the equilibrium constraint of the leader model by karush-kuhn-tucher (KKT)condition, the two-layer interactive game model is transformed into a single-layer distributed robust optimization model. Column and constraint generation (CCG) algorithm is used to decompose the model into master-slave problems to solve the model.The simulation results show that the proposed model can realize the low-carbon economic operation of the distribution network.