Artificial Immune System Applied to the Multi-stage Transmission Expansion Planning

  • Authors:
  • Leandro S. Rezende;Armando M. Leite Da Silva;Leonardo Mello Honório

  • Affiliations:
  • UNIFEI --- Federal University of Itajubá, Minas Gerais, Brazil;UNIFEI --- Federal University of Itajubá, Minas Gerais, Brazil;UNIFEI --- Federal University of Itajubá, Minas Gerais, Brazil

  • Venue:
  • ICARIS '09 Proceedings of the 8th International Conference on Artificial Immune Systems
  • Year:
  • 2009

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Abstract

Transmission expansion planning (TEP) is a complex optimization task to ensure that the power system will meet the forecasted demand and the reliability criterion, along the planning horizon, while minimizing investment, operational, and interruption costs. Metaheuristic methods have demonstrated the potential to find good feasible solutions, but not necessarily optimal. These methods can provide high quality solutions, within an acceptable CPU time, even for large-scale problems. This paper presents an optimization tool based on the Artificial Immune System used to solve the TEP problem. The proposed methodology includes the search for the least cost solution, bearing in mind investments and ohmic transmission losses. The multi-stage nature of the TEP will be also taken into consideration. Case studies on a small test system and on a real sub-transmission network are presented and discussed.