继电保护配置与整定计算(系统51).doc

四川大学网络教育学院 本科生(业余)毕业论文（设计） 题 目 继电保护配置与整定计算（系统51） 办学学院 四川大学网络教育学院 校外学习中心 重庆黔江奥鹏学习中心电气工程及其自动化0903 指导教师 陈皓戴汶橦aDH1091g1002 2011年 3 月 1 日 继电保护配置与整定计算（系统51） 学生：戴汶橦elay Protection Configuration and Setting Calculation of System 51 Student: Dai_Wentong Supervisor：Chen_Hao Abstract In order to satisfy the grid for relaying protection proposed reliability, agility, selectivity and quick sex requirement, give full play to its protective performance, must choose reasonably protection setting value. So, relay protection setting value of accurate setting is the safety of the electricity system running the necessary condition. However, relay protection setting value setting calculation is a very complicated work, need the consideration of many factors, especially need to consider the operation mode and wiring way of setting value influence. This design according to the system graph 51, completed the transformer of configurations. The generator transformer and circuit parameters, Sure was given to the largest and smallest system operating mode and transformer neutral point grounding to the position and number, Completed the short-circuit current calculation, gives out the calculating results; According to the short-circuit calculation results, the transformer, generators, lines and busbar protection configuration and setting calculation, and generators F1, transformer B1 and generatrix, 110 kv line as an example, draw the protection configuration diagram Keywords：Transformer, short circuit calculation and protective configuration, protection setting 目 录 前言 1 第一章 互感器的配置 3 1.1发电机互感器配置 3 1.2变压器互感器配置 3 1.3 110kV线路互感器配置 7 1.4 母线互感器配置 7 第二章 等值参数计算 9 2.1发电机参数计算 9 2.2变压器参数计算 9 2.3线路参数计算 11 第三章 短路电流计算 12 3.1变压器中性点接地方式 12 3.2 最大运行方式及变压器中性点接地地位置及台数 12 3.3 最小运行方式及变压器中性点接地地位置及台数 12 3.4最大方式下的短路阻抗计算 13 3.5最小方式下的短路阻抗计算 34 3.6短路阻抗计算成果汇总 56 3.7最大运行方式下短路电流计算 57 3.8最小运行方式下短路电流计算 65 3.9短路电流计算