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Planning the Coordination of Directional Overcurrent Relays for Distribution Systems Considering DG

机译：考虑DG的配电系统方向性过电流继电器的协调设计

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Introduction of distributed generation (DG) to the power system may lead to nonselective protection actions. For every future DG installation, the relay settings need to be modified to guarantee protection coordination that can lead to numerous changes in relay settings. This paper presents a novel approach to plan relay protection coordination considering future DG installations. Thus, this paper aims at proposing a method capable of optimally identifying one set of relay settings valid for all possible future DG planning scenarios. The proposed algorithm is formulated as a linear programming problem and the simplex algorithm is utilized to solve it. The proposed approach is tested on the distribution part of the modified meshed IEEE 14-bus system and the IEEE 13-bus radial test system. Comparative studies have been conducted to highlight the advantages of the proposed approach under various planning scenarios considering application of fault current limiters.
机译：将分布式发电（DG）引入电力系统可能会导致非选择性保护动作。对于以后的每个DG安装，都需要修改继电器设置，以确保保护协调，从而导致继电器设置发生许多变化。本文提出了一种新的方法来考虑未来的DG安装计划继电器保护协调。因此，本文旨在提出一种方法，该方法能够最佳地识别对所有可能的未来DG规划方案均有效的一组中继设置。将该算法表述为线性规划问题，并利用单纯形算法对其进行求解。在改进的网状IEEE 14总线系统和IEEE 13总线径向测试系统的分布部分上测试了该方法。考虑到故障限流器的应用，已经进行了比较研究以突出所提出的方法在各种计划方案下的优势。

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