• enhanced cross-entropy method for dynamic economic dispatch with valve-point effects

    نویسندگان :
    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1393/01/01
    • تاریخ انتشار در تی پی بین: 1393/01/01
    • تعداد بازدید: 543
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     this paper proposes an enhanced cross-entropy (ece) method to solve dynamic economic dispatch (ded) problem with valve-point effects. the cross-entropy (ce) method, originated from an adaptive variance minimization algorithm for estimating probabilities of rare events, is a generic approach to combinatorial and multi-extremal optimization. exploration capability of ce algorithm is enhanced in this paper by using chaotic sequence and the resultant ece is applied to ded with valve-point effects. the performance of the proposed ece method is rigorously tested for optimality, convergence, robustness and computational efficiency on a 10-unit test system. additional test cases with different load patterns and increased number of generators are also solved by ece. numerical results show that the proposed ece approach finds high-quality solutions reliably with faster convergence. it outperforms ce and all the previous approaches.

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