基于并集及特殊点求解的稳定域边界分析方法
Stability Region Boundary Analysis Method Based on Union Set and Special Points Solution
DOI: 10.12677/SG.2019.94018, PDF,   
作者: 黄 罡：华北电力大学电气与电子工程学院，北京
关键词: 电力系统；李雅普诺夫直接法；稳定域；并集；特殊点；Power System； Lyapunov’s Direct Method； Stability Region； Union； Special points
摘要: 针对传统的李雅普诺夫直接法确定电力系统稳定域保守性强的缺点，研究了一种基于特殊点计算电力系统稳定域的方法。主要思路是：通过研究分析能量函数V的3种稳定形式，并求取它们各自对应的稳定域；将各种稳定形式对应的稳定域的并集作为系统的稳定域。在求解过程中，利用特殊点法对稳定域边界进行逼近。以单机无穷大系统作为案例进行仿真验证，结果表明了该方法的有效性，提高了稳定域计算的精度。
Abstract: In order to overcome the shortcoming of traditional Lyapunov direct method which is conservative in determining the stability region of power system, a method for calculating the stability region of power system based on special points is studied. The main idea is to study and analyze the three stable forms of energy function V, and find their respective stable regions, and take the union of the stable regions corresponding to various stable forms as the stable regions of the system. In the process of solving, the boundary of the stable region is approximated by the special point method. The simulation results of a single machine infinite bus system show that the method is effective and improves the accuracy of stability region calculation.
文章引用：黄罡. 基于并集及特殊点求解的稳定域边界分析方法[J]. 智能电网, 2019, 9(4): 164-171. https://doi.org/10.12677/SG.2019.94018

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