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Application of enhanced discrete differential evolution approach to unit commitment problem

机译：改进的离散差分演化方法在机组承诺问题中的应用

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摘要

This paper proposes a discrete binary differential evolution (DBDE) approach to solve the unit commitment problem (UCP). The proposed method is enhanced by priority list based on the unit characteristics and heuristic search strategies to handle constraints effectively. The implementation of the proposed method for UCP consists of three stages. Firstly, the DBDE based on priority list is applied for unit scheduling when neglecting the minimum up/down time constraints. Secondly, repairing strategies are used to handle the minimum up/down time constraints and decommit excess spinning reserve units. Finally, heuristic unit substitution search and gray zone modification algorithm are used to improve optimal solution further. Furthermore, the effects of two crucial parameters on performance of the DBDE for solving UCP are studied as well. To verify the advantages of the method, the proposed method is tested and compared to the other methods on the systems with the number of units in the range of 10-100. Numerical results demonstrate that the proposed method is superior to other methods reported in the literature.
机译：本文提出了一种离散二进制差分演化（DBDE）方法来解决单位承诺问题（UCP）。基于单元特征和启发式搜索策略的优先级列表对提出的方法进行了改进，有效地处理了约束。提议的UCP方法的实施包括三个阶段。首先，当忽略最小的上/下时间限制时，基于优先级列表的DBDE用于单元调度。其次，修复策略用于处理最小的上/下时间限制并取消多余的纺丝备用单元。最后，采用启发式单元替换搜索和灰色区域修改算法进一步优化最优解。此外，还研究了两个关键参数对DBDE解决UCP性能的影响。为了验证该方法的优点，对所提出的方法进行了测试，并将其与系统上其他方法（单位数量在10-100之间）进行了比较。数值结果表明，该方法优于文献报道的其他方法。

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  • 来源
    《Energy Conversion & Management》 |2009年第9期|2449-2456|共8页
  • 作者

    Xiaohui Yuan; Anjun Su; Hao Nie; Yanbin Yuan; Liang Wang;

  • 作者单位

    School of Hydropower and Information Engineering, Huazhong University of Science and Technology 430074, Wuhan, China;

    School of Hydropower and Information Engineering, Huazhong University of Science and Technology 430074, Wuhan, China;

    School of Hydropower and Information Engineering, Huazhong University of Science and Technology 430074, Wuhan, China;

    School of Resources and Environmental Engineering, Wuhan University of Technology 430070, Wuhan, China;

    School of Hydropower and Information Engineering, Huazhong University of Science and Technology 430074, Wuhan, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    discrete differential evolution; unit commitment; priority order; repairing strategy;

    机译：离散差分演化;单位承诺;优先顺序;修复策略;

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