基于线路退运的静态安全风险评估指标模型  

Index Model of Static Security Risk Assessment Based on Line Outage

作　　者：李隽[1] 赵一婕[2] 吴军[2] 刘涤尘[2] 董飞飞[2] 潘旭东[2] 

机构地区：[1]国网北京经济技术研究院,北京市100052 [2]武汉大学电气工程学院,武汉市430072

出　　处：《电力建设》2013年第1期21-24,共4页Electric Power Construction

基　　金：国家电网公司大电网重大专项资助项目课题(SGCC-MPLG029-2012)

摘　　要：将风险理论应用于电力系统的静态安全分析中,其风险主要包括线路的过负荷风险和电压越限风险。对于过负荷风险和电压越限风险,分别考虑了与过载和电压相关的主要因素,并采用了合适的后果严重度函数,分别建立了过负荷风险评估模型和电压越限风险评估模型。在新英格兰39节点系统中进行了仿真计算,并分别根据这2种风险指标对输电线路进行了重要性评估和排序。Risk theory is applied in static security analysis of power system, and the risks mainly include line overload risk and voltage overlimit risk. For these two kinds of risks, several main factors related to overload and voltage are considered, and the risk assessment models of overload and voltage overlimit are established respectively based on an appropriate consequence severity function. Finally, the simulation calculation is completed in the New England 39-bus system, and the importance of transmission lines is evaluated and sequenced according to these two risk indicators.

关 键 词：风险评估 静态安全 线路退运 过负荷 电压越限 

分 类 号：TM715[电气工程—电力系统及自动化]