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首页> 外文期刊>Energy Conversion & Management >New procedure for fault detection in grid connected PV systems based on the evaluation of current and voltage indicators
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New procedure for fault detection in grid connected PV systems based on the evaluation of current and voltage indicators

机译：基于电流和电压指示器评估的并网光伏系统故障检测新程序

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摘要

In this work we present a new procedure for automatic fault detection in grid connected photovoltaic (PV) systems. This method is based on the evaluation of new current and voltage indicators. Thresholds for these indicators are defined taking into account the PV system configuration: number of PV modules included and series and parallel interconnection to form the array. The procedure to calculate the thresholds that allow the identification of the faults is described. A simulation study was carried out to verify the evaluation of current and voltage indicators and their corresponding thresholds for a set of PV systems with different sizes and different configurations of interconnection of PV modules. The developed method was experimentally validated and has demonstrated its effectiveness in the detection of main faults present in grid connected applications. The computational analysis has been reduced and the number of monitoring sensors minimized. The fault detection procedure can be integrated into the inverter without using simulation software or additional external hardware.
机译：在这项工作中，我们提出了一种用于并网光伏（PV）系统中自动故障检测的新程序。该方法基于对新的电流和电压指示器的评估。定义这些指标的阈值时要考虑到光伏系统的配置：包括的光伏模块数量以及形成阵列的串联和并联互连。描述了计算允许识别故障的阈值的过程。进行了仿真研究，以验证一组具有不同尺寸和不同光伏组件互连配置的光伏系统的电流和电压指标及其相应的阈值。所开发的方法经过实验验证，并证明了其在检测并网应用中存在的主要故障方面的有效性。减少了计算分析，并最大程度地减少了监视传感器的数量。可以将故障检测过程集成到逆变器中，而无需使用仿真软件或其他外部硬件。

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  • 来源
    《Energy Conversion & Management》 |2014年第10期|241-249|共9页
  • 作者

    Santiago Silvestre; Mario Aires da Silva; Aissa Chouder; Daniel Guasch; Engin Karatepe;

  • 作者单位

    MNT Group, Electronic Engineering Department, Universitat Politecnica de Catalunya (UPC) BarcelonaTech, C/Jordi Girona 1-3, Campus Nord UPC, 08034 Barcelona, Spain;

    MNT Group, Electronic Engineering Department, Universitat Politecnica de Catalunya (UPC) BarcelonaTech, C/Jordi Girona 1-3, Campus Nord UPC, 08034 Barcelona, Spain;

    Univ. M'sila, Fac. Technologies, Dep. Genie Electrique, BP 166 Ichbelia, 28000 M'sila. Algeria;

    Departament d'EnginyeriaTelematica. Universitat Politecnica de Catalunya (UPC) BarcelonaTech. EDIFICI VG1 (EPSEVG). Avda. Victor Balaguer, 1. 08800 Vilanova i la Geltru, Spain;

    Department of Electrical and Electronics Engineering, Ege University, 35100 Bornova, Izmir, Turkey;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    PV systems; Fault detection; Current and voltage indicators;

    机译：光伏系统故障检测;电流和电压指示器;

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