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Modeling and testing of an instantaneous overcurrent relay using VTB and VTB-RT.

机译:使用VTB和VTB-RT对瞬时过电流继电器进行建模和测试。

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摘要

This thesis explores the application of the Virtual Test Bed (VTB) and its real-time extension, VTB-RT, for protective relay modeling, simulation, and testing. An instantaneous overcurrent relay model was developed in VTB for a transmission line protection. The same relay model was built in Matlab/Simulink for validation purposes. Both models were tested for various fault conditions on a radial power system and results were compared. Moreover, a low cost real-time Hardware-In-the-Loop (HIL) simulation platform was implemented for relay model testing using VTB-RT and public domain software packages such as Real-Time Application Interface (RTAI), Comedi, and Comedilib, and notebook computer hardware. The applicability of VTB-RT was verified through an open-loop simulation and a HIL simulation of a simple dynamic system using dSPACE as the control hardware and NI DAQCard-6062E as the input/output interface. Simulation results are presented showing the effectiveness of the VTB-RT platform for model testing.
机译:本文探讨了虚拟测试台(VTB)及其实时扩展VTB-RT在保护继电器建模,仿真和测试中的应用。在VTB中开发了瞬时过电流继电器模型,用于传输线保护。为了验证,在Matlab / Simulink中构建了相同的继电器模型。在径向电力系统上测试了这两种模型的各种故障情况,并对结果进行了比较。此外,使用VTB-RT和诸如实时应用程序接口(RTAI),Comedi和Comedilib之类的公共领域软件包,实现了一种低成本的实时硬件在环(HIL)仿真平台,用于继电器模​​型测试。以及笔记本计算机硬件。通过使用dSPACE作为控制硬件以及NI DAQCard-6062E作为输入/输出接口的简单动态系统的开环仿真和HIL仿真,验证了VTB-RT的适用性。仿真结果显示了VTB-RT平台用于模型测试的有效性。

著录项

  • 作者

    Patel, Daxa.;

  • 作者单位

    Mississippi State University.;

  • 授予单位 Mississippi State University.;
  • 学科 Engineering Electronics and Electrical.
  • 学位 M.S.
  • 年度 2006
  • 页码 122 p.
  • 总页数 122
  • 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

  • 入库时间 2022-08-17 11:39:31

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