更新时间:06-19 上传会员:浅浅的回忆
分类:电气工程 论文字数:18651 需要金币:800个
摘要:电力系统的快速发展对继电保护不断提出新的要求,特别是在高压且复杂的电网中,各种保护都具有其重要性。距离保护作为一种性能较完善的保护装置,它可以应用在任何结构复杂、运行方式多变的电力系统中,能较快的切除相间故障。根据继电保护装置在电力系统中的应用,本论文通过三章内容,详细介绍了10kv电网中距离保护的整定配置。首先,本文阐述了课题的研究背景、意义以及距离保护的研究现状,并说明了论文的主要工作。其次,本文主要阐述了距离保护的概述、原理以及距离保护整定计算的原则,论文第二章主要叙述了距离保护的一些原理。最后,本文主要阐述了具体的距离保护整定实验,其中包括方向阻抗继电器的原理,相间距离保护的整定调试方法,实验接线图,DKB整定参数表,距离保护的整定计算,实验步骤,以及实验结果分析。实验结果分析中主要说明了实验现象、不足以及实验中遇到的问题。
关键词: 距离保护;整定计算;整定阻抗
Abstract:The rapid development of power system has been made new requests to relay
protection, especially in a complex high-voltage power grid, in which all kinds of protections are important. As a protection device with perfect performance, distance protection can be applied to any complicated power systems with changeful methods of operation. Distance protection can remove faults from phases rapidly. According to the application of protection devices in power system, the passage which is divided into three chapters introduces the adjustment and configuration of distance protection in 10 kV power grid. First, this paper describes the research background, the significance of the research and the research status of distance protection as well as the main tasks.Secondly, the paper explains the summarize of distance protection, the theory and the principle of setting calculation. Chapter II focuses on the theory. Finally, the paper describes the setting experiment of distance protection in reality, including the theory of direction impedance relay, the adjustment method of distance protection between phases, the wiring diagram, DKB setting parameter table, the setting calculation of distance protection, experimental procedure and the analysis of experimental results. The analysis mainly explains the phenomenon and the problems encountered during experiment.
Keyword: distance protection; setting calculation; setting impedance