含离散和连续混合决策变量最优潮流求解方法综述

Survey on the Solving Methods of OPF Problems with Continuous and Discrete Decision Variables

最优潮流问题是一个含有连续变量和离散变量的非凸的、大规模的非线性规划问题,是混合整数非线性规划问题(MINLP)。它属于NP-hard问题,精确求解非常困难。本文对含离散和连续混合决策变量最优潮流问题的求解算法进行了分类和总结。介绍了各种求解技术的原理和具体做法,并从算法的收敛性、准确性、快速性等角度对它们进行了评价,指出了它们各自的优缺点及应用价值。

In general,the optimal power flow problem is a non-convex,large-scale,nonlinear programming problem with both continuous and discrete variables.It is a mixed-integer nonlinear problem in the strict mathematical sense and it belongs to NP-hard problem which is very hard to solve.Solving techniques of the OPF problem are summarized and classified.Their principles and specific practices are introduced.And they are evaluated by the convergence,accuracy,rapidity of the algorithm.Their advantages and disadvantages which determine their applications are pointed out.