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Decentralized control and placement of multiple unified power flow controllers.

机译：分散控制和多个统一潮流控制器的放置。

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摘要

The dissertation, consisting of 4 papers, presents the results of research on the nonlinear control of Flexible AC Transmission System (FACTS) devices, the optimal placement of Unified Power Flow Controller (UPFC) in power networks and the decentralized control of UPFCs for damping interarea oscillations of power networks.; The first paper proposes a new control approach for a UPFC for power system oscillation damping. This control is simple to implement, yet is valid over a wide range of operating conditions. It is also effective in the presence of multiple modes of oscillation. The proposed control is implemented in several test systems and is compared against a traditional PI control. The second paper introduces a new nonlinear robust control for STATCOM/BESS that provides significant reduction in Electric Arc Furnace (EAF) induced aperiodic oscillations on the power system. The method is also compared with a traditional PI control and shown to have superior performance. The third paper presents the enhancement of interarea oscillation damping of a power network by multiple UPFCs. Hankel singular values and model balanced realization are utilized to reduce the large-scale power network model. An LMI-based approach is used to design decentralized controllers for UPFCs. Optimal control method is used to compare the dynamic properties of various UPFC placements. The fourth paper presents two different control schemes for decentralized Hinfinity control of multiple UPFCs for a power network. In the first scheme, a decentralized Hinfinity control is designed for the whole power network based on LMI theory. In the second scheme, different H infinity controllers are designed for different local areas of the power network separately.
机译：论文共四篇论文，介绍了柔性交流输电系统（FACTS）设备的非线性控制，电力网络中统一潮流控制器（UPFC）的最优布置以及UPFC对区域间阻尼的分散控制的研究成果。电力网络的振荡。第一篇论文提出了用于电力系统振荡阻尼的UPFC的新控制方法。该控制易于实现，但在广泛的工作条件下仍然有效。在存在多种振荡模式时也很有效。所提出的控制已在多个测试系统中实现，并与传统的PI控件进行了比较。第二篇论文介绍了一种针对STATCOM / BESS的新型非线性鲁棒控制，该控制可显着降低电弧炉（EAF）引起的电力系统非周期性振荡。该方法还与传统的PI控件进行了比较，并显示出卓越的性能。第三篇论文提出了通过多个UPFC增强电力网区域间振荡阻尼的方法。利用汉高奇异值和模型平衡实现来减少大规模电网模型。基于LMI的方法用于设计UPFC的分散控制器。最优控制方法用于比较各种UPFC放置的动态特性。第四篇论文提出了用于电力网络的多个UPFC的分散式Hinfinity控制的两种不同的控制方案。在第一种方案中，基于LMI理论为整个电网设计了分散的Hinfinity控制。在第二种方案中，为电力网络的不同局部区域分别设计了不同的H infinity控制器。

著录项

  • 作者

    Guo, Jianjun.;

  • 作者单位

    University of Missouri - Rolla.;

  • 授予单位 University of Missouri - Rolla.;
  • 学科 Engineering Electronics and Electrical.
  • 学位 Ph.D.
  • 年度 2006
  • 页码 71 p.
  • 总页数 71
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 无线电电子学、电信技术;
  • 关键词

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