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Development of real-time voltage stability monitoring tool for power system transmission network using Synchrophasor data.

机译:利用同步相量数据开发电力系统输电网络实时电压稳定性监测工具。

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摘要

Intelligent and effective monitoring of power system stability in control centers is one of the key issues in smart grid technology to prevent unwanted power system blackouts. Voltage stability analysis is one of the most important requirements for control center operation in smart grid era. With the advent of Phasor Measurement Unit (PMU) or Synchrophasor technology, real time monitoring of voltage stability of power system is now a reality. This work utilizes real-time PMU data to derive a voltage stability index to monitor the voltage stability related contingency situation in power systems. The developed tool uses PMU data to calculate voltage stability index that indicates relative closeness of the instability by producing numerical indices. The IEEE 39 bus, New England power system was modeled and run on a Real-time Digital Simulator that stream PMU data over the Internet using IEEE C37.118 protocol. A Phasor data concentrator (PDC) is setup that receives streaming PMU data and stores them in Microsoft SQL database server. Then the developed voltage stability monitoring (VSM) tool retrieves phasor measurement data from SQL server, performs real-time state estimation of the whole network, calculate voltage stability index, perform real-time ranking of most vulnerable transmission lines, and finally shows all the results in a graphical user interface. All these actions are done in near real-time. Control centers can easily monitor the systems condition by using this tool and can take precautionary actions if needed.
机译:智能和有效地监控控制中心中的电力系统稳定性是智能电网技术中防止不必要的电力系统停电的关键问题之一。电压稳定性分析是智能电网时代控制中心运行的最重要要求之一。随着相量测量单元(PMU)或同步相量技术的出现,对电源系统电压稳定性的实时监控已成为现实。这项工作利用实时PMU数据得出电压稳定性指数,以监视电力系统中与电压稳定性有关的意外情况。开发的工具使用PMU数据来计算电压稳定性指数,该电压稳定性指数通过产生数值指数来指示不稳定性的相对接近程度。对IEEE 39总线,新英格兰电力系统进行了建模,并在实时数字仿真器上运行,该仿真器使用IEEE C37.118协议通过Internet流式传输PMU数据。设置了相量数据集中器(PDC),该数据接收器将接收流式PMU数据并将其存储在Microsoft SQL数据库服务器中。然后,开发的电压稳定性监视(VSM)工具从SQL Server检索相量测量数据,对整个网络进行实时状态估计,计算电压稳定性指数,对最脆弱的传输线进行实时排名,最后显示所有产生图形用户界面。所有这些动作几乎都是实时完成的。控制中心可以使用此工具轻松监视系统状况,并在需要时采取预防措施。

著录项

  • 作者

    Pulok, Md Kamrul Hasan.;

  • 作者单位

    The Florida State University.;

  • 授予单位 The Florida State University.;
  • 学科 Electrical engineering.;Energy.
  • 学位 M.S.
  • 年度 2015
  • 页码 155 p.
  • 总页数 155
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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