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首页> 外文期刊>Electric power systems research >Grid capacity released analysis and incremental addition computation for distribution system planning
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Grid capacity released analysis and incremental addition computation for distribution system planning

机译：电网容量释放分析和增量增加计算，用于配电系统规划

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摘要

This paper presents a released capacity analysis for the power delivery system of the distribution grid, and the computation of the incremental capacity addition provided by an optimally deployed photovoltaic (PV) system in the IEEE 13 and 34 test feeders. The intrinsic strong correlation that exists between network capacity and reliability gives the inclusion of renewable distribution generation (DG) and the evaluation of their additional load serving capacity a prime place in the emerging active distribution system planning (ADSP). Also, this article presents a method capable of measuring risk and upgrade deferral in the evolving ADSP using two energy quantities referred to as the energy exceeding normal (EEN) and unserved energy (UE). The evaluation of these metrics is used to assess system capacity usage, and as a planning tool to identify required system upgrade and measure the effectiveness of the applied DG incremental solution. This analysis is pivotal as the load growth continues to outpace new feeder construction and network expansion becomes difficult and costly. Therefore, utilizing DG to provide peak load relief and incremental capacity solution is developing into a viable alternative. In addition, results presented in this article show that apart from optimal positioning and sizing, maximizing the value attributes of PV-DG also, depends on its ability to produce power at proper times and levels. Also, since energy is the quantity being sold, this article further presents a simple economic analysis based on EEN and loss savings which can be used to compare alternative power generation sources. (C) 2017 Elsevier B.V. All rights reserved.
机译：本文介绍了配电网供电系统的已发布容量分析，以及IEEE 13和34测试馈线中最佳部署的光伏（PV）系统提供的增量容量增加的计算。网络容量和可靠性之间存在着内在的强相关性，这使得可再生配电发电（DG）的包括在内，以及对它们的额外负载服务能力的评估在新兴的有源配电系统规划（ADSP）中处于首要位置。此外，本文提出了一种方法，该方法能够使用两个能量值来衡量不断发展的ADSP中的风险并提高延期，这两个能量值被称为超出正常能量（EEN）和未使用能量（UE）的能量。这些指标的评估用于评估系统容量使用情况，并用作确定所需系统升级和衡量所应用DG增量解决方案有效性的计划工具。随着负载的增长继续超过新的馈线结构，并且网络扩展变得困难且成本高昂，这一分析至关重要。因此，利用DG提供峰值负载减轻和增加容量的解决方案正在发展成为可行的替代方案。此外，本文提供的结果表明，除了最佳定位和尺寸设置之外，最大化PV-DG的价值属性还取决于其在适当的时间和水平上发电的能力。另外，由于能源是要出售的数量，因此本文还基于EEN和损耗节省提出了一种简单的经济分析方法，可用于比较替代发电来源。 （C）2017 Elsevier B.V.保留所有权利。

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  • 来源
    《Electric power systems research》 |2017年第11期|105-121|共17页
  • 作者

    Emmanuel Michael; Rayudu Ramesh; Welch Ian;

  • 作者单位

    Victoria Univ Wellington, Sch Engn & Comp Sci, Smart Power & Renewable Energy Syst Grp, Wellington 6140, New Zealand;

    Victoria Univ Wellington, Sch Engn & Comp Sci, Smart Power & Renewable Energy Syst Grp, Wellington 6140, New Zealand;

    Victoria Univ Wellington, Sch Engn & Comp Sci, Smart Power & Renewable Energy Syst Grp, Wellington 6140, New Zealand;

  • 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

    Photovoltaic; Energy exceeding normal; Unserved energy; Incremental capacity; Planning;

    机译：光伏;能量超出正常水平;空余能量;增量容量;规划;

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