Power flow planning optimization method

The invention discloses an electric power flow planning optimization method. The method comprises the following steps: establishing an uncertainty set of new energy output according to historical data; establishing a power flow planning optimization model by taking minimization of social total cost as a target; and solving the model, and outputting an optimal solution. According to the method, uncertainty of output of new energy such as wind power and photovoltaic power in actual planning operation of a power grid is considered, a model for optimizing power flow planning is established to solve an optimal solution by taking minimization of social total cost as a target according to an interval of the output of the new energy, and the power flow is effectively planned while the cost is saved. 本发明公开了一种电力流规划优化方法，包括步骤：根据历史数据建立新能源出力的不确定集；以最小化社会总成本为目标，建立电力流规划优化模型；求解模型，并输出最优解。本发明考虑到在电网实际规划运行中，风电、光伏等新能源出力的不确定性，根据新能源出力的区间，以社会总成本最小化为目标，建立了优化电力流规划的模型求解出最优解，实现节省成本的同时，有效地规划了电力流。