Static Volatge Stability Evaluation on the Urban Power System by Continuation Power Flow

Yuanyuan Lou, Zhongxi Ou, Zhu Tong, Wenjing Tang, Zhencong Li, Kun Yang
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引用次数: 2

Abstract

Modern urban power systems have developed rapidly, and their characteristics such as high cable rate as well as the uneven distribution of loads and generators have an impact on the static voltage stability of the systems. Continuation power flow method, which is commonly used in voltage stability analysis, can construct the P-V curve and calculate the maximum loadability as well as the loading margin of the grid. Thus, this paper applies continuation power flow method to evaluate the static voltage stability of power systems with different characteristics. Also, the parameters of the test systems are obtained by modifying the IEEE 39-bus system referring to the characteristics of an actual grid in a coastal city of southern China. MATPOWER is used for analysis, and the simulation results are presented and discussed. Also, the influence of different characteristics on the voltage stability is summarized.
基于连续潮流的城市电力系统静态电压稳定性评价
现代城市电力系统发展迅速,其电缆率高、负荷和发电机分布不均匀等特点影响了系统的静态电压稳定性。连续潮流法是电压稳定分析中常用的一种方法,它可以构造P-V曲线,计算出电网的最大可负荷性和负荷余量。因此,本文采用连续潮流法对具有不同特性的电力系统进行静态电压稳定性评价。同时,根据华南某沿海城市实际电网的特点,对ieee39总线系统进行了修改,得到了测试系统的参数。利用MATPOWER软件进行分析,给出仿真结果并进行讨论。总结了不同特性对电压稳定性的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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