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Dual-Setting Directional Overcurrent Relays for Protecting Automated Distribution Networks

机译：双设定方向过流继电器，用于保护自动化配电网络

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This paper elaborates a new protection scheme based on dual-setting DOCRs for automated distribution networks. In this course, the reduction in relays operation time saturates as the number of these relays increases. Thus, optimal deployment of dual-setting DOCRs should be specified in an efficient manner. To do so, a multiobjective optimization approach is established, which compromises the reduction of total operation time and the number of dual-setting DOCRs. Coordination constraints are accommodated and nonstandard inverse-time characteristics are established to intensify flexibility of the proposed strategy. The proposed model lies within a nonlinear programming fashion, which is tackled by particle swarm optimization. Moreover, the augmented e-constraint approach is utilized to reach the Pareto-optimal solutions following which the fuzzy decision making process determines the best compromised solution. Detailed simulation studies are carried out to interrogate performance of the proposed approach.
机译：本文阐述了一种基于双设置DOCR的自动配电网络保护方案。在此过程中，随着继电器数量的增加，继电器工作时间的减少达到饱和。因此，应以有效的方式指定双置DOCR的最佳部署。为此，建立了一种多目标优化方法，该方法损害了总操作时间和双设定DOCR数量的减少。可容纳协调约束，并建立非标准的逆时特性以增强所提出策略的灵活性。所提出的模型属于非线性编程方式，可以通过粒子群优化来解决。此外，增强的电子约束方法用于达到帕累托最优解，然后模糊决策过程确定最佳折衷解。进行了详细的仿真研究，以验证所提出方法的性能。

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