基于主从博弈的输配电网协同经济调度

针对市场环境下如何协调主动配电网与输电网的运行策略以实现二者共赢的问题，提出一种基于主从博弈的输配电网协同经济调度策略。首先，采用主从博弈架构建立了输配电网双层经济调度优化模型，其中上层为输电网价格出清模型，下层为考虑二阶锥交流潮流约束的配电网经济调度模型。然后，应用二阶锥重构技术、KKT (Karush-Kuhn-Tucker)条件、强对偶定理和线性松弛技术将所提双层模型转化为混合整数二阶锥单层规划模型进行求解。最后通过算例验证了模型和方法的有效性。结果表明，所提输配协同经济调度策略可以有效降低输电网电能及备用出清价格，同时提高了配电网运行经济性。

Collaborative economic dispatch of coupled transmission and distribution networks based on the Stackelberg game

There is a problem of how to coordinate the operation strategy of coupled transmission and distribution networks to achieve a win-win situation in the market environment. Thus a cooperative economic dispatch strategy of coupled transmission and distribution networks based on the Stackelberg game is proposed. First, a bi-level optimization model is established to solve the economic dispatch of coupled transmission and distribution networks using Stackelberg game architecture, in which the upper level is the transmission network price clearing model and the lower level is the economic dispatch model of each distribution network. This considers second order cone alternating current power flow constraints. Then, the second order cone reconstruction technique, KKT (Karush-Kuhn-Tucker) conditions, strong duality theorem and linear relaxation technique are applied to transform the proposed bi-level model into a mixed integer second-order cone programming single-layer model for analysis. Finally, the simulations verify the effectiveness of the proposed model and method. The results show that the proposed cooperative economic dispatch strategy can effectively reduce the clearing price of transmission energy and reserve, and reduce the operational cost of the distribution networks. This work is supported by the Science and Technology Project of Jilin Province (No. 20210508031RQ).