静态电压稳定性指标分析  

The Analyse of Steady State Voltage Stability Indices

作　　者：于永进[1] 白星振[1] 

机构地区：[1]山东科技大学青岛校区,青岛266510

出　　处：《电气技术》2007年第5期38-41,共4页Electrical Engineering

摘　　要：本文根据戴维南等值将整个系统等值为一简单的两节点系统,在此基础上进行电压稳定性分析,推出一种根据定义的节点电压稳定性的指标VSI能快速估计节点电压稳定和求取临界负荷因子k*的方法,并将该方法扩展到考虑负荷特性和无功限制的情况。算例分析表明,该方法具有快速性和准确性。Based on Thevenin theory,the whole system can be equivalent to a simple 2-bus system and on this basis the voltage stability analysis is carried out and a method by which the stability of nodal voltage can be quickly estimated with the defined nodal voltage index VSI and critical load factor k* is obtained .The method is expanded to the situation taking account of load characteristic and reactive power limits. Simulation results shows that the method is fast and effective.

关 键 词：电压稳定 电压稳定指标 无功限制 负荷因子 

分 类 号：TM712[电气工程—电力系统及自动化]