A microcomputer-based testing station for dynamic and static testing of protective relay systems

Proceedings of 1995 Industrial and Commercial Power Systems Conference Pub Date : 1995-05-07 DOI:10.1109/ICPS.1995.527004

Weijen Lee, Ren-Jun Li, J. Gu

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引用次数: 3

Abstract

Dynamic and static relay performance testing before installation in the field is a subject of great interest to utility relay engineers. The common practice in utility testing of new relays is to put the new unit to be tested in parallel with an existing functioning relay in the system, wait until an actual transient occurs and then observe and analyze the performance of new relay. It is impossible to have a thorough test of the protective relay system through this procedure. An equipment, Microcomputer-Based Testing Station (or PC-Based Testing Station), that can perform both static and dynamic testing of the relay is described in this paper. The Power System Simulation Laboratory at the University of Texas at Arlington is a scaled-down, three-phase, physical power system which correlates well with the important components for a real power system and is an ideal facility for the dynamic and static testing of protective relay systems. A brief introduction to the configuration of this laboratory is presented. Test results of several protective functions by using this laboratory illustrate the usefulness of this test set-up.

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基于微机的继电保护系统动态和静态测试试验台

现场安装前的动态和静态继电器性能测试是公用事业继电器工程师非常感兴趣的课题。在新继电器的效用测试中，通常的做法是将新待测单元与系统中现有的功能继电器并联，等待实际暂态发生，然后观察和分析新继电器的性能。通过这个程序是不可能对保护继电器系统进行彻底的测试的。本文介绍了一种可以对继电器进行静态和动态测试的设备——微机试验台(或pc机试验台)。德克萨斯大学阿灵顿分校的电力系统仿真实验室是一个按比例缩小的三相物理电力系统，它与真实电力系统的重要组件有很好的相关性，是保护继电器系统动态和静态测试的理想设施。简要介绍了该实验室的结构。利用该实验室对几种保护功能的测试结果说明了该测试装置的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of 1995 Industrial and Commercial Power Systems Conference

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