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Multiobjective multistage distribution system planning using tabu search

机译：基于禁忌搜索的多目标多阶段配电系统规划

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摘要

This study presents a multiobjective tabu search algorithm to solve the multistage planning problem of a distribution system formulated as a multiobjective dynamic mixed integer non-linear programming problem. Multiobjective problems do not have a specific solution, but a set of solutions that allows us to observe the trade-off among the analysed objectives. Taking into account this concept, the objective functions of the model proposed in this study are: costs (investment and operational) and reliability. The actions deemed in this model for each period of the planning horizon are: increase in the capacity of existing substations (or construction of new ones), exchange of cables in existing lines (and construction of new feeders), reconfiguration of the network, allocation of sectionalising switches and construction of tie lines. The system's reliability is evaluated by means of the non-supplied energy under contingencies using the n - 1 criterion. By line switching and the use of tie lines, part of the loads affected by a contingency can be restored, thus, the non-supplied energy can be evaluated by solving a distribution network restoration problem. Numerical results are presented for a 54-bus system.
机译：本研究提出了一种多目标禁忌搜索算法，以解决配电系统的多阶段规划问题，该问题被设计为多目标动态混合整数非线性规划问题。多目标问题没有特定的解决方案，但是有一组解决方案可以使我们观察到所分析目标之间的权衡。考虑到这一概念，本研究提出的模型的目标功能是：成本（投资和运营）和可靠性。在此模型中，在规划阶段的每个阶段所采取的行动是：增加现有变电站的容量（或建造新的变电站），更换现有线路中的电缆（并建造新的馈线），重新配置网络，分配分段开关和连接线的构造。系统的可靠性通过使用n-1准则在突发情况下通过未提供的能量来评估。通过线路切换和联络线的使用，可以恢复受意外事件影响的部分负荷，因此，可以通过解决配电网恢复问题来评估未供应的能量。给出了54总线系统的数值结果。

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