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毕业设计（论文）题目名称：110KV变电站设计院系名称：电气工程与自动化学院班级：电气本11-4班学号：321108010431学生姓名：张艳伟指导教师：刘海波2013年5月论文编号：110KV变电站设计110KVSubstationDesign院系名称：电气工程与自动化学院班级：电气本11-4班学号：321108010431学生姓名：张艳伟指导教师：刘海波2012年5月I摘要本文主要进行110KV变电站设计。首先根据任务书上所给系统及线路和所有负荷的参数，通过对所建变电站及出线的考虑和对负荷资料分析，满足安全性、经济性及可靠性的要求确定了110KV、35KV、10KV侧主接线的形式，然后又通过负荷计算及供电范围确定了主变压器台数、容量、及型号，从而得出各元件的参数，进行等值网络化简，然后选择短路点进行短路计算，根据短路电流计算结果及最大持续工作电流，选择并校验电气设备，包括母线、断路器、隔离开关、电压互感器、电流互感器等，并确定配电装置。根据负荷及短路计算为线路、变压器、母线配置继电保护并进行整定计算。本文同时对防雷接地及补偿装置进行了简单的分析，最后进行了电气主接线图及110KV配电装置间隔断面图的绘制。关键词：变电站设计，变压器，电气主接线，设备选择IIAbstractThispaperdesigna110KVsubstation.Firstly,accordingtothegavedsystem,electricitylineandtheparametersofload,whichprovidedbytheassignmentbook,throughconsideringthesubstationwhichwillbebuiltandfeeders,analysisingloadmaterials,confirmingtheMainelectricalwiringformof110KV、35KV、10KVsidebasedonsecurity,economyandreliability,thenconformthenumbers,volumeandtypeofthemaintransformerthroughloadcalulationandsupplydistrict,thusgettingtheparametersofallthecomponent,simplifyelectriccircuit,selectshortpointcarryonshortcircuitcalculationsoperationcircuit,selectandcheckoutelectricalequipment,includingbus,breaker,disconnectswitch,voltagetransformer,currenttransformerandsoon,sothatconformthedistributionapparatus.Configuratingrelayprotectionandsetting-calculationfortheelectricityline,transformerandbusaccordingtotheloadandshortcalculations.Atthesametime,thispaperanalysesimplylightningprotectionandgroundingsystem.Finally,twopicturesbedrawedwhichincludeMainelectricalwiringdiagramand110KVPowerdistributionequipmentsectionaldrawinginterval.KeyWords:Substationdesign,Transformer,Mainelectricalwiring,EquipmentelectionIII目录1引言.............................................................11.1变电站的作用................................................11.2我国变电站及其设计的发展趋势................................21.3变电站设计的主要原则和分类..................................51.4选题目的及意义..............................................51.5设计思路及工作方法..........................................61.6设计任务完成的阶段内容及时间安排............................62任务书...........................................................72.1原始资料....................................................72.2设计内容及要求..............................................93电气主接线设计..................................................113.1电气主接线设计概述.........................................113.2电气主接线的基本形式.......................................143.3电气主接线选择.............................................144变电站主变压器选择..............................................184.1主变压器的选择.............................................184.2主变压器选择结果...........................................205短路电流计算....................................................215.1短路的危害.................................................215.2短路电流计算的目的.........................................215.3短路电流计算方法...........................................215.4短路电流计算...............................................225.4.1110kv侧母线短路计算.................................245.4.235kv侧母线短路计算..................................265.4.310kv侧母线短路计算..................................276电气设备的选择..................................................306.1导体的选择和校验...........................................306.1.1110kv母线选择及校验.................................316.1.235kv母线选择及校验..................................326.1.310kv母线选择及校验..................................336.2断路器和隔离开关的选择及校验...............................346.2.1110kv侧断路器及隔离开关的选择及校验.................356.2.235kv侧断路器及隔离开关的选择及校验..................376.2.310kv侧断路器及隔离开关的选择及校验..................396.3电压互感器和电流互感器的选择...............................416.3.1电流互感器的选择......................................416.3.2电压互感器的选择......................................437继电保护的配置..................................................457.1继电保护的基本知识.........................................457.2110kv线路的继电保护配置及整定计算.........................457.2.1110kV线路继电保护配置...............................457.2.2110kV线路继电保护整定计算...........................45IV7.3变压器的继电保护及整定计算.................................507.3.1变压器的继电保护......................................507.3.2变压器的继电保护整定计算..............................517.4母线保护...................................................537.5备自投和自动重合闸的设置...................................557.5.1备用电源自动投入装置的含义和作用......................557.5.2自动重合闸装置........................................558防雷与接地方案的设计............................................578.1防雷保护...................................................578.2接地装置的设计.............................................579配电装置........................................................599.1配电装置概述...............................................599.2配电装置类型...............................................599.3对配电装置的基本要求和设计步骤.............................599.4屋内配电装置...............................................609.5屋外配电装置...............................................6010结束语.........................................................62参考文献...........................................................63致谢....................................................