20151电力系统继电保护课程设计辽宁工程技术大学

辽宁工程技术大学电力系统继电保护原理课程设计设计题目110kV电网距离保护设计指导教师院（系、部）电气与控制工程学院专业班级学号姓名日期2015年1月19日课程设计成绩评定表学期2014/2015第一学期姓名专业电气工程及自动化班级课程名称电力系统继电保护原理设计题目110kV电网距离保护设计成绩评分项目优良中及格不及格设计表现1.设计态度非常认真认真较认真一般不认真2.设计纪律严格遵守遵守基本遵守少量违反严重违反3.独立工作能力强较强能独立设计完成基本独立设计完成不能独立设计完成4.上交设计时间提早或按时按时迟交半天迟交一天迟交一天以上设计说明书5.设计内容设计思路清晰，结构方案良好，设计参数选择正确，条理清楚，内容完整，结果正确设计思路清晰，结构方案合理，设计参数选择正确，条理清楚，内容较完整，极少量错误设计思路较清晰，结构方案基本合理，设计参数选择基本正确，调理清楚，内容基本完整，有少量错误设计思路基本清晰，结构方案基本合理，设计参数选择基本正确，调理清楚，内容基本完整，有些错误设计思路不清晰，结构方案不合理，关键设计参数选择有错误，调理清楚，内容不完整，有明显错误6.设计书写、字体、排版规范、整洁、有条理，排版很好较规范、整洁、有条理，个别排版有问题基本规范、整洁、有条理，个别排版有问题基本规范、整洁、有条理，排版有问题较多不规范、不整洁、无条理，排版有问题很大7.封面、目录、参考文献完整较完整基本完整缺项较多不完整图纸8.绘图效果很出色较出色一般较差很差9.布局合理、美观较合理基本合理有些混乱布局混乱10.绘图工程标准符合标准较符合标准基本符合标准个别不符合标准完全不符合标准评定说明：不及格标准：设计内容一项否决制，即5为不及格，整个设计不及格，其他4项否决；优、良、中、及格标准：以设计内容为主体，其他项超过三分之一为评定标准，否则评定为下一等级；如优秀评定，设计内容要符合5，其余九项要有4项符合才能评定为优，否则评定为良好，以此类推。最终成绩：评定教师签字：电力系统继电保护原理课程设计任务书一、设计题目110kV电网距离保护设计二、设计任务根据所提供的110kV系统接线图及原始参数（详见附1），完成以下设计任务：1.线路上各保护的运行方式；2.相间距离保护的配置和整定；3.接地距离保护的配置和整定；4.系统中线路上发生各种短路时保护的动作情况。三、设计计划本课程设计时间为一周，具体安排如下：第1天：查阅相关材料，熟悉设计任务第2天：线路上各保护的运行方式分析第3天：配置相间距离保护第4天：配置接地距离保护第5天：线路上发生各种短路时保护的动作情况分析第6天：整理设计说明书第7天：答辩四、设计要求1.按照设计计划按时完成，设计成果包括：设计说明书（模板及格式要求详见附2和附3）一份2.设计说明书凡有雷同者，均视为不合格，包括在答辩结束完成后被发现的情形3.不参加答辩者，视为自愿放弃成绩指导教师：葛群教研室主任：李洪珠时间：2015年1月19日原始数据系统接线图如下图所示，发电机以发电机—变压器组方式接入系统，最大开机方式为4台机全开，最小开机方式为两侧各开1台机，变压器T5和T6可能2台也可能1台运行。参数如下：E=115/3kV，X1.G1=X2.G1=X1.G2=X2.G2=15，X1.G3=X2.G3=X1.G4=X2.G4=10，X1.T1~X1.T4=10，X0.T1~X0.T4=30，X1.T5=X1.T6=20，X0.T5=X0.T6=40，LAB=60km，LBC=40km，线路阻抗z1=z2=0.4/km，z0=1.2/km，IAB.L.max=ICB.L.max=300A，Kss=1.2，Kre=1.2，KIrel=0.85，KIIrel=0.75，KIIIrel=0.83负荷功率因数角为30，线路阻抗角均为75，变压器均装有快速差动保护。图110kV电网系统接线图设计要求：1.分析线路AB和BC上的保护1~4的最大和最小运行方式；2.为了快速切除线路AB和BC上发生的各种短路（包括相间短路和接地短路），对保护1~4进行相间距离保护和接地距离保护整定；3.画出各个保护的动作特性，并对系统中线路上发生各种短路时保护的动作情况进行分析。110kV电网距离保护设计摘要电力作为当今社会的重要能源,对国民经济的发展和人民生活水平的提高起着不容忽视的重要作用。电力系统是由电能的产生、输送、分配和使用四个环节共同组成的一个系统。基于电力在现代社会中的重要性,则对电力的维护就显得格外重要。而对电力维护起重要作用的继电保护,则是电力系统能否正常工作的关键。电力系统继电保护技术作为一种主要的保护手段,有利于提高了系统运行的可靠性。因此,研究电力系统继电保护技术的现状与发展具有十分重要的现实意义。鉴于此,对电力系统继电保护技术的现状与发展进行了初步探讨。电力系统继电保护技术的现状就目前而言,电力系统继电保护技术的发展现状主要呈现两个方面的特征,一方面是我国电力系统继电保护技术起步较晚,发展迅速;另一方面是指微型继电,不断发展,其具体内容如下。起步较晚发展迅速电力系统继电保护主要研究电力系统故障和危及安全运行的异常工况,国内的研究开始于20世纪70年代后期,起步较晚,但发展迅速。继电保护的任务就是在系统运行过程中发生故障（三相短路、两相短路、单相接地等）和出现不正常现象时（过负荷、过电压、低电压、低周波、瓦斯、超温、控制与测量回路断线等），能够自动、迅速、有选择性且可靠的发出跳闸命令将故障切除或发出各种相应信号，从而减少故障和不正常现象所造成的停电范围和电气设备的损坏程度，保证电力系统安全稳定的运行。关键词：继电保护；距离保护110kV电网距离保护设计目录1前言···························································································································12运行方式分析···············································································································22.1保护1最大运行方式和最小运行方式的分析·······························································22.2保护2最大运行方式和最小运行方式的分析·······························································32.3保护3最大运行方式和最小运行方式的分析·······························································52.4保护4最大运行方式和最小运行方式的分析·······························································63相间距离保护的配置和整定······························································································83.1保护1的配置和整定······························································································83.1.1保护1的第I段整定·······················································································83.1.2保护1的第Ⅱ段整定······················································································83.1.3保护1的第Ⅲ段整定······················································································93.2保护2的配置和整定····························································································103.2.1保护2的第I段整定·····················································································103.2.2保护2的第Ⅲ段整定····················································································103.3保护3的配置和整定····························································································113.3.1保护3的第I段整定·····················································································113.3.2保护3的第Ⅲ段整定····················································································113.4保护4的配置和整定····························································································123.4.1保护4的第I段整定·····················································································123.4.2保护4的第Ⅱ段整定····················································································123.4.3保护4的第Ⅲ段整定····················································································134接地距离保护的配置和整定····························································································144.1保护1的配置和整定····························································································144.1.1保护1的第I段整定·····················································································144.1.2保护1的第Ⅱ段整定····················································································144.1.3保护1的第Ⅲ段整定························································