摘要电气二次部分设计是对一次部分的测量回路、保护回路和控制回路的设计，主要包括的二次功能元件如下：测量仪表、通讯传输系统、继保设备、自动和远传通信设备等。电气二次部分设计是变电站设计中不可缺少的重要环节，二次设计方案的合理性对保证变电站可靠、稳定、安全的运行起着非常重要的作用。变电站监控系统具有遥测、遥信、遥调、遥控（简称“四遥”）等其他远动功能。对于全站来说，还有一套同步对时装置实现对其时钟校正。变电站监控系统还应具备与远方工作站之间的数据交换的功能。总的来说，对完成全站稳定、恰当、充分的监视，计算机监控系统的影响力也是不可替代的。本文根据变电站二次部分设计规程规范，对某110kV数字化变电站计算机监控系统部分展开相关设计工作，主要有：对本变电站的二次部分的功能进行分析并总结：对变电站二次部分开展总体方案设计：读懂厂家提供的二次图纸，熟悉厂家提供的保护设备型号和功能：遵循数字化变电站计算机监控系统的配置原则，设计本变电站的计算机监控系统。结合变电站实际一次图纸，给出了本次设计所需要的计算机监控系统组网方案，最终圆满地完成了本次设计。关键词：变电站，二次设计，计算机监控系统ABSTRACTElectrical secondary part design is part of a measuring circuit,protect circuit andcontrol circuit design,mainly includes the quadratic function of the components are asfollows:measuring instrument,communication transmission system,the equipment,automatic and remote communication equipment,etc.Electrical secondary part designis an important and indispensable link in the design of substation,the rationality of thedesign of secondary to ensure the safety of substations,stable and reliable runningplays a very important role.Substation monitoring system with remote sensing,remote communication,remote adjustment and remote control (hereinafter referred to as the "four control")and other remote function.For total station,and a synchronous device of the clockcorrection for fashion.Substation monitoring and control system should possess andthe function of data exchange between distant workstations.In general,to completethe total stability,appropriate and adequate monitoring,the influence of the computermonitoring and control system is also irreplaceable.Based on the substation secondary part design procedure specification,part of a110 kV substation computer monitoring system of digital related design work,mainlyinclude:the function of the second part of this substation is analyzed and summarized;The substation secondary part to carry out the overall scheme design;Readmanufacturers provide secondary drawings,familiar with the manufacturer to providethe protection of the equipment model and function;Follow the principle of digitalsubstation computer monitoring and control system configuration,the design of thesubstation computer monitoring and control system.In combination with the practicala drawing of transformer substation,this design shows the need of computermonitoring system network schemes,finally successfully completed the final design.Keyword:transformer substation,secondary design,Computer monitoring andcontrol system目录摘要ABSTRACT.·第一章绪论…23第二章数字化变电站2.1数字化变电站的系统构成以及内部数据流动42.1.1系统构成..42.1.2内部数据流动..52.2.1组网原则.52.2.2组网方式.6第三章变电站二次设计的基本内容及二次设计组屏方案731变电站二次设计的基本内容…73.1.1继电保护设计.73.1.2自动装置..93.1.3系统调度自动化.910113.1.7图像监视及安全警卫系统.12123.1.9系统及站内通信.12133.2变电站二次设计组屏方案...13第四章110KV数字化变电站计算机监控系统方案设计154.1计算机监控系统的系统设别配置154.2计算机监控系统的网络结构..154.3计算机监控系统配置原则164.3.1站控层功能要求164.3.2间隔层功能要求194.4网络设备的选择...214.4.1站控层交换机..2121