电压稳定极限诱导分岔的条件分析与判定Condition Analysis and Determination of Limit Induced Bifurcation in Voltage Stability
于文广;刘光晔;罗经纬;汪洋;王明强;
摘要(Abstract):
在研究非线性系统戴维南动态等效原理的基础上,对电压稳定极限诱导分岔的发生条件和判定方法进行了研究。首先导出了戴维南动态等效阻抗的计算表达式,证明了负荷节点获得极大功率的必要条件。然后对极限诱导分岔的发生条件进行了分析,提出了极限诱导分岔发生的必要条件。最后利用阻抗模裕度指标,提出了一种极限诱导分岔的判定方法。通过对IEEE118节点系统的仿真计算验证了方法的有效性。
关键词(KeyWords): 电力系统;电压稳定;戴维南动态等效;极限诱导分岔;阻抗模裕度
基金项目(Foundation):
作者(Authors): 于文广;刘光晔;罗经纬;汪洋;王明强;
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