Heuristic-based shiftable loads optimal management in smart micro-grids

Maria Luisa Di Silvestre, Eleonora Riva Sanseverino, Roberto Gallea, Eleonora Riva Sanseverino, Giorgio Graditi, Roberto Gallea

    Research output: Contribution to journalArticlepeer-review

    137 Citations (Scopus)


    In this paper, an optimal power dispatch problem on a 24-h basis for distribution systems with distributed energy resources (DER) also including directly controlled shiftable loads is presented. In the literature, the optimal energy management problems in smart grids (SGs) where such types of loads exist are formulated using integer or mixed integer variables. In this paper, a new formulation of shiftable loads is employed. Such formulation allows reduction in the number of optimization variables and the adoption of real valued optimization methods such as the one proposed in this paper. The method applied is a novel nature-inspired multiobjective optimization algorithm based on an original extension of a glowworm swarm particles optimization algorithm, with algorithmic enhancements to treat multiple objective formulations. The performance of the algorithm is compared to the NSGA-II on the considered power systems application
    Original languageEnglish
    Pages (from-to)-
    Number of pages10
    Publication statusPublished - 2014


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