《输电线路微机距离保护装置的设计论文》毕业学术论文.doc
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输电线路微机距离保护设计
PAGE 34
学号_________
班级_________
武汉大学本科毕业论文
输电线路微机距离保护装置的设计
院(系)名称:
专 业 名 称:
学 生 姓 名:
指 导 教 师:
二○一二年三月
摘 要
本毕业设计的宗旨是为了系统地掌握《电力系统继电保护原理》《电力系统、分析》等课程中与本设计相关的知识,通过查阅《微机型继电保护基础》等参考资料,能够掌握微型机继电保护装置软件结构原理,并在此基础上设计了一套高压线路微机距离保护。
本设计主要内容有:高压线路距离保护及特性、微机保护算法设计、微型机距离保护的软件设计、微型机可靠性设计、抗干扰等。
本设计从微型机继电保护在电力系统实际应用出发,以微型机继电保护规程为依据,在设计中介绍了计算机保护几十年来的发展,微机保护的基本构成以及计算机保护的特点;高压线路距离保护原理及微机保护动作特性、整定方法和判别方程。设计了高压线路微机距离保护的软件程序及算法设计,并设计了提高微型机继电保护装置的抗干扰措施,从而设计出了一套基本功能完备的高压线路距离保护。
关键词:距离保护;算法;软件;抗干扰;可靠性
Abstract
The aim of this paper is to master knowledge of some curriculums, for instance power system analysis,Power System Relay Protection etc associating with this paper, and master software based on microcomputer protection, through referring to references of the base of microcomputer protection and so on .Then a suit of distance protection based high voltage power system is designed.
The main contents of This paper are composed of the distance protection and characteristic based high voltage power system、designed on hardware of microcomputer distance protection、designed on reliability of microcomputer etc.
Based on the regulations of microcomputer based protection setting from actual application in power system, this paper introduce the development structure and characteristic of microcomputer protection distance protection based high voltage power system and operation characteristics turning method and discriminant equation of microcomputer protection software programme and design of an algorithm for high voltage power system protection are designed ,at one time ,this thesis recommend measure enhancing anti-interference for microcomputer protection, then a suit of self-contained distance protection based high voltage power system is designed.
Key Words: distance protection hardware algorithm software anti-interference reliability.
目 录
第一章 绪论
1.1 电力系统继电保护的作用和意义 …………………………………7
1.2 距离保护的发展现状 ………………………………………………8
1.3 输电线路微机保护的发展历史 ……………………………………9
1.4 线路微机保护发展趋势 ………………………
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