南阳理工学院本科生毕业设计(论文)学院(系):电子与电气工程学院专业:电气工程及其自动化学生:指导教师:完成日期2014年5月南阳理工学院本科生毕业设计(论文)某小区供配电系统设计DesignforthePowerSupplyanddistributionsystemofaresidencecommunity总计:36页表格:10个插图:9幅南阳理工学院本科毕业设计(论文)某小区供配电系统设计DesignforthePowerSupplyanddistributionsystemofaresidencecommunity学院:电子与电气工程学院专业:电气工程及其自动化学生姓名:学号:指导教师(职称):评阅教师:完成日期:南阳理工学院NanyangInstituteofTechnologyI某小区供配电系统设计某小区供配电系统设计[摘要]住宅小区供配电系统的稳定运行直接影响着人们的日常生活及秩序。因此研究小区供配电系统如何更好的实现安全、可靠、经济运行具有现实的意义。本课题初步对住宅小区的供配电系统进行设计,并根据国家相关标准对所设计的内容进行规范化。分析小区的原始数据和供电特点,对小区各类负荷进行计算;通过计算负荷选择变压器的容量和数目完成变电所的设计;合理选择电气主接线方式;根据短路电流选择合适的电力电缆;确定建筑物防雷等级,做好小区的防雷接地保护。设计过程中不仅要保证供电的质量和安全性,还应尽量满足供电的经济性,节省能源和材料。[关键词]计算负荷;短路电流;变压器;供配电设计;防雷接地DesignforthePowerSupplyandDistributionSystemofaResidenceCommunityElectricalEngineeringandAutomationSpecialtyMAJun-yaoAbstract:Residencecommunityforsafeandreliableoperationofthedistributionsystemdirectlyaffectspeople'sdailylives.Thisprojectisinitiallydesignedforthepowersupplyanddistributionsystemoftheresidencecommunity.Andalsothedesignisnormalizedinaccordancewiththerelevantnationalregulationsandstandards.Sothepowersupplyanddistributionsysteminresidencecommunitydistricthowtorealizethesafe,reliableandeconomicoperationhasrealisticmeaning.Analysistherawdatafortheresidencecommunityandloadcalculationoftheresidencecommunity.Basedonthecalculatedloadthemeasuresofpowersupplyanddistributionoftheresidencecommunityisdesigned.Itincludestheelectricmainwiringdesign,transformeranddistributionsubstationdesign.Meanwhiletheappropriateelectricpowercableareselectedaccordingtotheshort-circuitcurrent.Andtheprotectiondesignaboutgroundingforlightningisalsoessential.Notonlymustthequalityandsafetyofpowersupplybeensured,butalsotheeconomicalpowersupply,energy-savingandmaterial-savingshouldbemetasmuchaspossible.Keywords:Loadcalculation;Short-circuitcurrent;Transformer;Powersupplyanddistributiondesign;GroundingforlightningII某小区供配电系统设计目录1引言....................................................................11.1住宅小区供配电系统现状及研究意义...................................11.2本工程供配电系统概述及相关原则.....................................12负荷的计算..............................................................22.1负荷分级以及要求...................................................22.1.1负荷分级和供电电源要求.......................................22.1.2本工程建筑的负荷类型.........................................32.2计算负荷概述.......................................................42.2.1概述.........................................................42.2.2计算负荷的步骤...............................................52.2.3本工程负荷计算...............................................82.3无功补偿..........................................................102.3.1无功补偿的目的..............................................102.3.2无功补偿的方法.................................