城市一般地区110kv的户内变电所设计摘要本文以110kV变电站设计为对象，首先从110kV变电站的现状和研究意义、变电站电气设计的主要内容等进行总结，包括整体分析和选择变电所主变压器，电气主接线的设计和选择、短路计算和电气设备的选择等；然后，详细介绍了变电站的总体分析和主变量的选取、主变的容量、数量和选择的电缆进行了计算。通过对变电站电气主接线部分的分析和计算，进行了短路计算。最后，对全文进行了总结，对变电站的设计具有一定的指导意义。关键词：变电站、主接线图、负荷计算、变压器容量1第2页Designofindoorsubstationof110kVinurbanareaAbstractBasedonthedesignof110kVsubstation,thispaperfirstsummarizesthestatusandresearchsignificanceofthe110kVsubstation,themaincontentsofthesubstationelectricaldesign,includingtheoverallanalysisandselectionofthemaintransformerofthesubstation,thedesignandselectionoftheelectricalmainwiring,theshortcircuitcalculationandtheselectionoftheelectricalequipment.Then,thedetailedintroductionismade.Theoverallanalysisofsubstationandselectionofmainvariables,capacityandquantityofmaintransformerandselectedcablearecalculated.Throughtheanalysisandcalculationofthemainwiringpartofthesubstation,shortcircuitcalculationiscarriedout.Finally,thefulltextissummarized,whichhasacertainguidingsignificanceforsubstationdesign.Keyword：Substation,mainwiringdiagram,loadcalculation,transformercapacity目录1前言.............................................................................................................................12第3页1.1电力变电站的发展现状与趋势........................................................................11.2电力变电站设计的研究背景及意义................................................................11.3本次论文的主要工作........................................................................................12电气设计的主要内容.....................................................................................................32.1变电所的总体分析及主变选择........................................................................32.2电气主接线的选择............................................................................................42.3短路电流计算....................................................................................................52.4电气设备选择....................................................................................................52.4.1设备选择..................................................................................................52.4.2导体选择.................................................................................................52.5配电装置及总平面设计...................................................................................63变电所的总体分析及主变选择.....................................................................................73.1变电所的总体情况分析......................................................................................73.2主变压器容量的选择..........................................................................................73.3主变压器台数的选择..........................................................................................83.4调压方式的选择..................................................................................................83.5中性点接地方式的确定......................................................................................93.6接线组别......
