Relaxation by Modified Logarithmic Barrier Applied to the Problem of Optimal Power Flow DC with Overload

被引：2

作者：

Coelho, M. V. ^{[1
]}

Santos, A., Jr. ^{[2
]}

Oliveira, A. R. L. ^{[2
]}

机构：

[1] Univ Fed Alfenas UNIFAL MG, Pocos De Caldas, MG, Brazil

[2] Univ Estadual Campinas UNICAMP, Sao Paulo, Brazil

来源：

IEEE LATIN AMERICA TRANSACTIONS | 2015年 / 13卷 / 03期

关键词：

Modified Logarithmic Barrier; Interior Points Methods; Optimal Power Flow; Overload; INTERIOR-POINT ALGORITHM; NETWORK FLOW; DISPATCH;

D O I：

10.1109/TLA.2015.7069091

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The Interior Point Methods primal-dual when applied to problems of optimal power flow has great results, but when the system presents overloads in generation and/or transmission, not converge because these overloads imply violation of operating limits, causing some variables cease to be interiors. In order to eliminate these difficulties of these methods is proposed an exchange of barrier function, replacing the classical logarithmic barrier by modified logarithmic barrier. This change allows for controlled violations in some inequality constraints and can be used in solving problems such as optimal power flow with overloads. In practice, such violations can be performed in a short period without damaging the system. Finally, computational tests are made simulating overloads the system suggesting good results.

引用

页码：673 / 678

页数：6

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