Dynamic security risk assessment and optimization of power transmission system

被引：11
|
作者：
Yu YiXin [1 ]
Wang DongTao [1 ,2 ]
机构：
[1] Tianjin Univ, Key Lab Power Syst Simulat & Control, Minist Educ, Tianjin 300072, Peoples R China
[2] Hebei Polytech Univ, Sch Comp & Automat, Tangshan 063009, Peoples R China
来源：
SCIENCE IN CHINA SERIES E-TECHNOLOGICAL SCIENCES | 2008年 / 51卷 / 06期
基金：
中国国家自然科学基金;
关键词：
power transmission system; risk assessment; dynamic security; practical dynamic security region (PDSR); comprehensive security control; optimization;
D O I：
10.1007/s11431-008-0049-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The paper presents a practical dynamic security region (PDSR) based dynamic security risk assessment and optimization model for power transmission system. The cost of comprehensive security control and the influence of uncertainties of power injections are considered in the model of dynamic security risk assessment. The transient stability constraints and uncertainties of power injections can be considered easily by PDSR in form of hyper-box. A method to define and classify contingency set is presented, and a risk control optimization model is given which takes total dynamic insecurity risk as the objective function for a dominant contingency set. An optimal solution of dynamic insecurity risk is obtained by optimizing preventive and emergency control cost and contingency set decomposition. The effectiveness of this model has been proved by test results on the New England 10-genarator 39-bus system.
引用
收藏
页码：713 / 723
页数：11
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