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A posteriori decision analysis based on Resonance Index and NSGA-II applied to the capacitor banks placement problem

机译:基于共振指数和NSGA-II的后验决策分析在电容器组布局问题中的应用

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摘要

This paper proposes a new methodology based on the use of Resonance Index (RI) analysis as a posteriori decision-making procedure to check solutions of the optimization algorithm NSGA-II against resonance, when applied to the capacitor banks placement problem in radial distribution systems. Most of existing methodologies approach harmonic resonance in the referred problem through the inclusion of constraints in the optimization procedure with respect to the harmonic distortion indexes THD and IHD. However, monitoring only these two parameters is not sufficient to identify specific problems on capacitor banks due to harmonic resonance. To demonstrate this point, a RI analysis using the resonant chart was performed considering a 34-bus radial system. Also, the proposed a posteriori analysis is compared with the one that includes directly RI as a constraint in the optimization procedure, demonstrating that the proposed approach has a better performance with respect to computational time. (C) 2017 Elsevier B.V. All rights reserved.
机译:本文提出了一种基于共振指数(RI)分析作为后验决策程序的新方法,用于将优化算法NSGA-II的解决方案应用于共振,并将其应用于径向配电系统中的电容器组放置问题。现有的大多数方法都通过在优化程序中包含关于谐波失真指数THD和IHD的约束来解决所提到的问题中的谐波谐振。但是,仅监视这两个参数不足以识别由于谐振引起的电容器组上的特定问题。为了证明这一点,考虑了34总线径向系统,使用共振图进行了RI分析。此外,将所提出的后验分析与在优化过程中直接包含RI作为约束条件的分析进行了比较,证明了所提出的方法在计算时间方面具有更好的性能。 (C)2017 Elsevier B.V.保留所有权利。

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