含最优乘子的连续潮流算法和奇异值算法的电压静态稳定分析软件开发

Development of power system voltage stability analysis software using ontinuation method and singular value decomposition method

介绍了一种适用于大型电力系统的电压静态稳定分析软件的研制及其结构和功能。该软件采用最优乘子和连续潮流相结合的算法以及奇异值算法计算分析系统的电压静态稳定裕度。在算法中采用了节点优化、矩阵稀疏化技术;考虑了发电机约束;引入了负荷模型和电压无功控制策略模拟实现系统情况。实例计算表明该软件实用功能强、使用方便、计算速度快、计算结果合理。

The structure and functions of voltage static stability analysis software for large power system is presented. Together with the singular value decomposition algorithm,it combines the optimal multipler and continuation method to calculate stability margin of power system. The optimized node and sparse matrix techniques are used in the method and the generator constrain is considered. The load model and the voltage and reactive power control strategy are introduced to simulate the real conditions of power system. Calculation example shows it practical,convenient,fast and accurate.