A genetic-based methodology for evaluating requested outages of power network elements

Author

De Souza, Julio Cesar Stacchini ; Filho, Milton Brown Do Coutto ; Roberto, Marcio Leonardo Ramos

Author_Institution

Dept. of Electr. Eng., Fluminense Fed. Univ. (UFF), Rio de Janeiro, Brazil

Volume

26

Issue

4

fYear

2011

Firstpage

2442

Lastpage

2449

Abstract

The evaluation process of requested outages in power grids comprises a harmonious adjustment of maintenance needs placed by market participants, in which priorities and operational constraints are taken into account. It is a critical process for independent system operators (ISOs) since they were conceived for handling a huge amount of transactions, without affecting system reliability and market prices. This paper presents a methodology for the evaluation of requested outages, viewed as a constrained optimization problem due to its combinatorial nature. A genetic algorithm technique is adopted to obtain high-quality solutions. Simulation results with the IEEE 14-bus test system and part of a Brazilian system are presented to illustrate the proposed methodology.

Keywords

genetic algorithms; maintenance engineering; power markets; power system faults; power system reliability; IEEE 14-bus test system; constrained optimization problem; genetic algorithm; independent system operators; market prices; operational constraints; power grids; power network elements; requested outages; system reliability; Genetic algorithms; Optimization; Power grids; Power system reliability; Preventive maintenance; Scheduling; Genetic algorithms; maintenance schedule; optimization; power system operation;

fLanguage

English

Journal_Title

Power Systems, IEEE Transactions on

Publisher

ieee

ISSN

0885-8950

Type

jour

DOI

10.1109/TPWRS.2011.2138727

Filename

5764512