电力系统电压稳定性及负荷对其影响研究现状  

Present Investigation of Voltage Stability and Composite Load's Influence on It

作　　者：林舜江[1] 李欣然[1] 刘杨华[1] 

机构地区：[1]湖南大学电气与信息工程学院,长沙410082

出　　处：《电力系统及其自动化学报》2008年第1期66-74,共9页Proceedings of the CSU-EPSA

基　　金：高等学校博士学科点专项科研基金资助项目(教计司[2002]65号);湖南省教育厅重点资助项目(湘教通[2001]197号)

摘　　要：综述了电力系统电压稳定性及负荷对其影响的研究现状。介绍了国内外较有代表性的几种电压稳定性定义,分析了短期电压失稳和长期电压失稳的机理,论述了电压稳定性主要分析方法的原理,总结了各种电压稳定性指标的特点。重点阐述了负荷的恢复特性和失稳特性对系统电压失稳的影响,并指出负荷对电压稳定性影响方面研究的主要内容:负荷在其端电压下降时的响应特性,建立适合于电压稳定分析的负荷模型,负荷区域的电压稳定控制措施。Power system voltage stability and composite load＇s influence on itself are summarized. First, several representative definitions of voltage stability are given ,the mechanisms of short term voltage stability and long term voltage stability are analyzed,the main analysis methods of voltage stability are discussed,and different types of voltage stability index are summed. Then,the restoring and instability characteristics of composite load on voltage stability are especially expatiated ,and the main research issues of composite load on voltage stability are presented, including the response characteristic of load when voltage saggs, the load model suited to voltage stability problem,and voltage control measures in load area.

关 键 词：电力系统 电压稳定 失稳机理 负荷特性 指标 

分 类 号：TM712[电气工程—电力系统及自动化]