Contingency screening for steady state security analysis by using genetic algorithms

Özdemir A., Lim J., Singh C.

IEEE Power-Engineering-Society Summer Meeting, Illinois, United States Of America, 21 - 25 July 2002, pp.1142-1147 identifier identifier

  • Publication Type: Conference Paper / Full Text
  • Volume:
  • Doi Number: 10.1109/pess.2002.1043455
  • City: Illinois
  • Country: United States Of America
  • Page Numbers: pp.1142-1147
  • Keywords: genetic algorithms, power system security, power system modeling, power system economics, power systems, BOUNDING METHOD, SELECTION, RANKING
  • Istanbul Technical University Affiliated: Yes


This paper presents genetic algorithm based post-outage voltage calculations and screening for transmission line and transformer outages. Deficiencies of the traditional sensitivity based (linear) methods are overcome by formulation of a line outage as non-linear constrained optimization problem for a bounded network. The proposed optimization problem is later solved for bounded network variables by genetic algorithms, GAs. The accuracy of the method is tested on IEEE IEEE 57-bus test systems. The results are compared with those obtained by a fun load flow to verify the strength of the paper.