110kV变电站设计摘要本次毕业设计以110kV变电站为主要设计对象，该110kV变电站是地区重要变电站，是电力系统110kV电压等级的重要部分。该变电站设有2台主变压器，站内主接线分为110kV、35kV、二个电压等级。本设计的第一章为绪论，主要阐述了变电站在电力系统中的地位。设计变电站的原则和目的以及变电站的基本情况。第二章是负荷计算及变压器的选择，根据已知变电站的负荷资料对变电站进行负荷计算。通过得出的负荷确定了主变的容量和台数、主变的型式及主变阻抗。第三章是变电站电气主接线的设计，分别通过对110kV、35kV侧电气主接线的拟定，选择出最稳定可靠的接线方式。第四章是短流计算，首先确定短路点，计算各元件的电抗，然后对各短路点分别进行计算，得出各短路点的短路电流第五章是电气设备的选择，电气设备包括母线、断路器、隔离开关、电流和电压互感器、熔断器。第六章是配电装置，主要对变电站的配电装置进行设计。通过对110kV变电站设计，使我对电气工程及其自动化专业的主干课程有一个较为全面，系统的掌握，增强了理论联系实际的能力，提高了工程意识，锻炼了我独立分析和解决电力工程设计问题的能力。关键词：电气主接线短路计算电气设备AbstractThisgraduationprojecttakethe110kVtransformersubstationasthemaindesignobject,this110kVtransformersubstationisthelocalimportanttransformersubstation,istheelectricalpowersystem110kVvoltagerankimportantpart.Thistransformersubstationisequippedwith2maintransformers,inthestationthehostwiringdividesinto110kV,and35kV,twovoltagesranks.Thisdesignfirstchapterisanintroduction,mainlyelaboratedthetransformersubstationinelectricalpowersystemstatus.Designsthetransformersubstationtheprincipleandthegoalaswellasthetransformersubstationbasicsituation.Secondchapterisshouldersthecomputationandthetransformerchoice,carriesontheloadcomputationaccordingtotheknowntransformersubstationloadmaterialtothetransformersubstation.Throughtheloadwhichobtainshaddeterminedthehostchangesthecapacityandanumber,thehostchangethepattern,thewindingwiringway,theaccentpressthewayandthehostchangestheimpedance.Thirdchapteristhetransformersubstationelectricityhostwiringdesign,separatelythroughto110kV,35kVsideelectricityhostwiringdrawingup,choosesthestablestreliablewiringway.Fourthchapteristheshortclasscomputation,firstdeterminedshort-circuitsthespot,calculatesvariouspartsreactance,thentorespectivelyshort-circuitsseparatelytocarryonthecomputation,obtainsrespectivelyshort-circuitstheshort-circuitcurrent.Fifthchapteristheelectricalequipmentchoice,theelectricalequipmentincludingthegeneratrix,thecircuitbreaker,theisolator,theelectriccurrentandthevoltagetransformer,thefuse.Sixthchapteristhepowerdistributionequipment,mainlycarriesonthedesigntothetransformersubstationpowerdistributionequipment.Seventhchapterisanti-radarwiththeearth,thischapterhascarriedonthechoicetothearrester,aswellashasdeterminedtheearthway.Throughtothe110kVtransformersubstationdesign,causesmehastotheelectricalengineeringanditstheautomatedspecializedbranchcurriculumtobecomprehensive,systemgrasping,strengthenedapplytheorytorealitytheability,raisedtheprojectconsciousness,exercisedmeindependentlytoanalyzeandthesolutionelectricpowerprojectdesignquestionability.Keywords:TheelectricalhostwiringShort-circuitsthecomputationElectricalequipment目录ABSTRACT.....................................................................................................................................21绪论................................................................................................................
