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A multiobjective placement of switching devices in distribution networks incorporating distributed energy resources

机译：开关设备在包含分布式能源的配电网络中的多目标布置

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With the growth of Distributed Energy Resources (DER) in electrical systems, an increase in the benefits with the reconfiguration of radial networks related to the use of renewable energy is expected. However, in some countries the reconfiguration of radial networks has some limitations like the impossibility of island operation. Also, many of them have contracts with Distributed Generation (DG) operators that force them to buy all the available generation of electricity. After a fault these limitations increase DG unavailability resulting in a waste of resources in the form of payments of available electricity generation not used. In this paper we propose a multiobjective optimal placement of switching devices considering DG unavailability, network reliability and equipment cost, with no island network operation. Two approaches are proposed in this multiobjective problem. In the first approach, besides the minimization of the equipment cost and the reliability indices, it is proposed an extra objective function that considers the minimization of the Distributed Generation Unavailability Index (DGUI). In the second approach two new composite indices comprising DG, interruption duration and interruption frequency are presented. Results obtained from a case study using a real utility distribution network are presented and discussed. (C) 2015 Elsevier B.V. All rights reserved.
机译：随着电气系统中分布式能源（DER）的增长，随着与可再生能源的使用相关的径向网络的重新配置，人们的收益将会增加。但是，在某些国家/地区，重新配置放射状网络存在一些局限性，例如无法进行岛屿运营。此外，他们中的许多人都与分布式发电（DG）运营商签订了合同，迫使他们购买所有可用的电力。发生故障后，这些限制会增加DG的不可用性，从而导致浪费资源，其形式为不使用可用发电。在本文中，我们考虑到DG的不可用性，网络可靠性和设备成本，在没有孤岛网络运行的情况下，提出了一种多目标的交换设备最优布局。在此多目标问题中提出了两种方法。在第一种方法中，除了最小化设备成本和可靠性指标外，还提出了一个额外的目标函数，该函数考虑了分布式发电不可用性指标（DGUI）的最小化。在第二种方法中，提出了两个新的综合指标，包括DG，中断持续时间和中断频率。提出并讨论了使用实际公用事业分配网络从案例研究中获得的结果。 （C）2015 Elsevier B.V.保留所有权利。

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