青岛理工大学毕业设计（论文）摘要变电站是电力系统的重要组成部分，它直接影响整个电力系统的安全与经济运行，是联系发电厂和用户的中间环节，起着变换和分配电能的作用，拟在某区域新建一座220KV变电站。本设计书主要介绍了220kv区域变电站电气一次部分的设计内容和设计方法。设计的内容有220kv区域变电站的电气主接线选择，主变压器，站用变压器的选择，母线，断路器和隔离刀闸的选择，互感器的配置，220kv,110kv,10kv线路的选择和短路电流的计算。设计中还对主要高压电气设备进行了选择与计算，如断路器，隔离开关，电压互感器，电流互感器等，此外还进行了防雷保护的设计，电气总平面布置及配电装置的选择，继电保护的设备等，提高了整个变电站的安全性。关键词：变电站，主接线，变压器I青岛理工大学毕业设计（论文）AbstractSubstationisanimportantpartofthepowersystem,whichdirectlyaffectstheentirepowersystemsecurityandeconomicoperationofpowerplantsandtheuseristocontactthemiddlepart,playstheroleoftransformationanddistributionofelectricenergy，intendstobuilda220kvsubstationofaregional.Thedesignofthebookintroducestheregional220kvelectricalsubstationdesignapartofthecontentanddesign.Thedesignofthecontentsoftheelectricalsubstation220kvmainregionalcablechoice,themaintransformer,thetransformerusedinthechoiceofbus,circuitbreakersandisolationswitchoption,theconfigurationoftransformer,220kv,110kv,10kvlinechoiceandshort-circuitcurrentcalculations.Thedesignofthemainhighpressurealsohadachoiceofelectricalequipmentandcomputing,suchascircuitbreakers,isolatingswitches,voltagetransformers,currenttransformersandsoon.Inaddition,alightingprotectiondesignandcomputing，generallayoutofelectricalthechoiceofpowerdistributionunitandtheprotectionequipmentsandsoon.,increasedthesafetyoftheentiresubstation.Keywords:substation，mainconnection，transformerII青岛理工大学毕业设计（论文）目录摘要..............................................................................................................................IAbstract.........................................................................................................................II第1章绪论..................................................................................................................31.1工程概况...........................................................................................................31.2资料分析............................