河南理工大学万方科技学院本科毕业（设计）论文河南理工大学万方科技学院本科毕业论文PAGEIIPAGEI摘要变电站是电力系统的一个重要组成部分，由电气设备及配电网络按一定的接线方式所构成，他从电力系统取得电能，通过其变换、分配、输送与保护等功能，然后将电能安全、可靠、经济的输送到每一个用电设备的转设场所。作为电能传输与控制的枢纽，变电站必须改变传统的设计和控制模式，才能适应现FILENAME110kV裕州变电站电气部分设计代电力系统、现代化工业生产和社会生活的发展趋势。本次根据设计的要求，在设计的过程中，根据变电站的地理环境、容量和各回路数确定变电站电气主接线和站用电接线，并选择各变压器的型号；进行参数计算、画等值网络图，并计算各电压等级侧的短路电流，列出短路电流结果表；计算回路持续工作电流、选择各种高压电气设备，并根据相关技术条件和短路电流计算结果表校验各高压设备，从而完成了110kV终端变电站电气一次部分的设计。关键词：主接线短路电流电气设备配电装置ABSTRACTThesubstationisanimportancepartoftheelectricpowersystem,itisconsistedoftheelectricappliancesequipmentsandtheTransmissionandtheDistribution.Itobtainstheelectricpowerfromtheelectricpowersystem,throughitsfunctionoftransformationandassign,transportandsafety.Thentransportthepowertoeveryplacewithsafe,dependable,andeconomical.Asanimportantpartofpower’stransportandcontrol,thetransformersubstationmustchangethemodeofthetraditionaldesignandcontrol,thencanadapttothemodernelectricpowersystem,thedevelopmentofmodernindustryandtheoftrendofthesocietylife.Accordingtothedesignrequest,inthedesignprocess,accordingtothetransformersubstationgeographicalenvironment,thecapacityandvariousreturnroutesnumberdeterminedthetransformersubstationelectricityhostwiringandthestationuseelectricitythewiring,andchoosesvarioustransformersthemodel;Carriesontheparametercomputation,thepictureequivalentnetworkchart,andcalculatesvariousvoltagesranksidetheshort-circuitcurrent,liststheshort-circuitcurrentresulttable;Calculatesthereturnroutecontinuallyoperatingcurrent,chooseseachkindofhighpressureelectricalequipment,andverifiesvarioushighpressureunitaccordingtothecorrelationengineeringfactorandtheshort-circuitcurrentcomputedresulttable,Thuscompletingthedesignofthesubstation.Keywords:MainwiringShort-circuitcurrentElectricalequipmentPowerdistributionequipment目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc325817267"目录PAGEREF_Toc325817267\h1HYPERLINK\l"_Toc325817268"1绪论PAGEREF_Toc325817268\h1HYPERLINK\l"_Toc325817269"1.1我国电力工业的发展概况PAGEREF_Toc32581726