A Constraint-Handling Genetic Algorithm to Power Economic Dispatch

  • Authors:
  • Felix Calderon;Claudio R. Fuerte-Esquivel;Juan J. Flores;Juan C. Silva

  • Affiliations:
  • División de Estudios de Posgrado. Facultad de Ingeniería Eléctrica, Universidad Michoacana de San Nicolás de Hidalgo, Michoacán, México CP 58000;División de Estudios de Posgrado. Facultad de Ingeniería Eléctrica, Universidad Michoacana de San Nicolás de Hidalgo, Michoacán, México CP 58000;División de Estudios de Posgrado. Facultad de Ingeniería Eléctrica, Universidad Michoacana de San Nicolás de Hidalgo, Michoacán, México CP 58000;División de Estudios de Posgrado. Facultad de Ingeniería Eléctrica, Universidad Michoacana de San Nicolás de Hidalgo, Michoacán, México CP 58000

  • Venue:
  • MICAI '08 Proceedings of the 7th Mexican International Conference on Artificial Intelligence: Advances in Artificial Intelligence
  • Year:
  • 2008

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Abstract

This paper presents a new constraint-handling genetic approach for solving the economic dispatch problem in electric power systems. A real code genetic algorithm is implemented to minimize the active power generation cost while satisfying power balance (energy conservation) and generation limit constraints simultaneously during the optimization process. This is achieved by introducing a novel strategy for searching the solution on the energy conservative space, producing only individuals that fulfill the energy conservation constraint, and reducing the search space in one dimension. Computer simulations on three benchmark electrical systems show the prowess of the proposed approach whose results are very close to those reported by other authors using different methods.