220KV变电站电气部分初步设计

220KV变电站电气一次部分初步设计页脚内容1分类号郑州电力高等专科学校毕业设计（论文）题目220KV变电站电气部分初步设计并列英文题目PreliminaryDesignofElectricityPartin220KVTransformerSubstation系部电力工程系专业发电厂及电力系统姓名XXX班级XXX指导教师郭琳、马雁职称教授、助教论文报告提交日期2010-06-12220KV变电站电气一次部分初步设计页脚内容2郑州电力高等专科学校220KV变电站电气一次部分初步设计页脚内容1摘要本设计以220KV地区变电站设计为例，论述了电力系统工程中变电站部分电气设计（一次部分）的全过程。通过对变电站的原始资料分析、主接线的选择与比较，站用电接线设计，短路电流的计算，主要电气设备的选择，配电装置设计，防雷保护的设计与继电保护配置等步骤，较为详细地完成了电力系统中变电站设计。通过本次毕业设计，巩固了“发电厂电气部分”课程的理论知识，掌握了变电站电气部分设计的基本方法，培养我们运用所学知识去分析和解决与本专业相关实际问题的能力。关键词：变电站短路电流电气设备配电装置防雷设计继电保护ABSTRACTTheprojectaboutthe220kvtransformerareasubstationdesign,discussedsomeelectricaltransformerstationsdesign(onepart)inpowersystemsengineeringoftheentireprocess.Throughanalysisoforiginaldataonthesubstation,selectionandcomparisonofmainconnection,stationpowerdesign,shortcircuitcurrentcalculation，thechoiceofmajorelectricalequipment,designofpowerdistributionequipment,,lightningprotectiondesignandrelayconfigurationsteps,detail220KV变电站电气一次部分初步设计页脚内容2completedsubstationsinpowersystemdesign.Throughthegraduationdesign,consolidatethepowerofelectricpartscurriculumtheoryknowledge,graspsthebasicdesignmethodoftheelectricparts,weuseknowledgetoanalyseandsolvetherelevantquestion.KEYWORDS:Substation,short–circuitcurrents,electricequipment,powerdistributionequipment,Lightningprotectiondesign220KV变电站电气一次部分初步设计页脚内容3目录第一部分设计说明书...................................................................................1第一章前言..................................................................................................1第二章原始资料分析...................................................................................2第三章主变压器的选择...............................................................................3第一节概述...............................................................................................3第二节主变压器台数的选择....................................................................4第三节主变压器容量的选择....................................................................4第四节主变压器型式的选择....................................................................5第五节所用变压器的选择........................................................................8第四章电气主接线选择...............................................................................9第一节概述..............................................................................................10第二节主接线的选择...............................................................................15第三节所用电接线的选择.......................................................................17第五章短路电流计算..................................................................................18第一节短路计算的目的及假设...............................................................18220KV变电站电气一次部分初步设计页脚内容4第二节短路电流的计算结果...................................................................21第六章电气设备的选择.............................................................................22第一节概述.............................................................................................22第二节断路器的选择..............................................................................24第三节隔离开关的选择..........................................................................26第四节电流互感器的选择......................................................................27第五节电压互感器的选择......................................................................29第六节母线的选择..................................................................................33第七节电力电缆的选择..........................................................................34第八节限流电抗器的选择......................................................................35第七章配电装置的选择.............................................................................37第一节概述.............................................................................................37第二节配电装置的选用...........................................................................41第八章防雷保护的设计.............................................................................43第一节概述.............................................................................................43第二节避雷针和避雷器的配置原则.......................................................45220KV变电站电气一次部分初步设计页脚内容5第三节避雷针的选择..............................................................................46第四节避雷器的选择..............................................................................47第九章继电保护配置.................................................................................48第一节概述.............................................................................................48第二节主变压器保护..............................................................................49第三节线路及母线保护..........................................................................50第二部分附录...............................................................................................51附录一短路电流的计算..............................................................................51附录二电气设备的选择.............................................................................582.1断路器的选择..........................................................