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Optimal reactive power dispatch for improving voltage stability margin using a local voltage stability index

机译：最佳无功功率分配，可使用局部电压稳定度指标来提高电压稳定度裕度

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摘要

Management of reactive power resources is vital for stable and secure operation of power systems in the view point of voltage stability. This paper deals with the management of on-load tap changers (OLTCs) and dynamic VAR sources (including synchronous generators, synchronous condensers, and shunt reactive power compensators) to improve voltage stability margin (VSM) of power systems. This problem is usually called optimal reactive power dispatch (ORD) in the literature. The main contribution of the paper is to introduce a new objective function for the ORD problem. The proposed objective function is derived based on a local voltage stability index, called DSY, and has a strong correlation with VSM. This strong correlation makes the objective function effective for improving VSM, which is the main purpose of ORD. The proposed objective function is tested on the New England 39-bus test system and its performance is compared with some of the most common objective functions used in ORD. The obtained results show that solving ORD problem using the proposed objective function yields considerable increase in VSM.
机译：从电压稳定性的角度来看，无功功率资源的管理对于电力系统的稳定和安全运行至关重要。本文研究有载分接开关（OLTC）和动态VAR源（包括同步发电机，同步电容器和并联无功功率补偿器）的管理，以提高电力系统的电压稳定裕度（VSM）。在文献中通常将此问题称为最佳无功功率分配（ORD）。本文的主要贡献是为ORD问题引入了新的目标函数。拟议的目标函数是基于称为DSY的局部电压稳定性指标导出的，并且与VSM有着很强的相关性。这种强大的相关性使目标函数有效地改善了VSM，这是ORD的主要目的。拟议的目标函数在新英格兰39总线测试系统上进行了测试，并将其性能与ORD中使用的一些最常见的目标函数进行了比较。获得的结果表明，使用提出的目标函数解决ORD问题会大大增加VSM。

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  • 来源
    《Energy Conversion & Management》 |2012年第2012期|p.66-73|共8页
  • 作者

    Abbas Rabiee; Maziar Vanouni; Mostafa Parniani;

  • 作者单位

    Center of Excellence in Power System Control and Management, Department of Electrical Engineering, Sharif University of Technology, P.O. Box 11155-9363, Tehran, Iran;

    Department of Electrical and Computer Engineering and FREEDM System Center, North Carolina State University, Raleigh, NC, USA;

    Center of Excellence in Power System Control and Management, Department of Electrical Engineering, Sharif University of Technology, P.O. Box 11155-9363, Tehran, Iran;

  • 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

    optimal power flow (OPF); optimal reactive dispatch (ORD); voltage stability index; voltage stability margin (VSM);

    机译：最佳潮流（OPF）;最佳无功调度（ORD）;电压稳定指数;电压稳定裕度（VSM）;

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