搜索
沈阳建筑大学毕业设计说明书毕业设计题目信达尚城5号楼电气系统设计学院专业班级信息学院智能10-01班学生姓名郑泽性别男指导教师侯静职称讲师2014年6月9日摘要本设计是信达尚城5号楼电气系统设计。本工程设计位于辽宁省锦州市，共六层，建筑物高度为21米，结构形式为框架结构，基础形式为独立基础。本工程设计为强电系统设计和弱电系统设计。强电系统包括：低压配电系统设计、电气照明系统设计、建筑物防雷与接地系统设计；弱电系统包括：有线电视系统设计、网络与电话系统设计。本工程设备用电负荷均为三级负荷。供电电源由小区变电所引来，经电缆埋设引至各单元进线柜。电源电压为220/380V50Hz，采用TN-C-S接地系统，对用户采用放射树干式混合供电方式。本设计采用单位容量法进行照度计算，采用需用系数法进行负荷校验，按计算电流选择导线截面，按线路最大工作电流和线路保护选择低压断路器。照明回路和插座回路分别由不同回路供电，并在插座回路安装漏电保护器。按三类防雷建筑物进行防雷设计，并设计总等电位联结和局部等电位联结系统。工程建筑电气设计均采用AutoCAD，共完成31张工程图纸，其中一号图纸3张，手绘图1张，27张图纸附在说明书后。设计符合国家相关技术规程规范要求，设备选型合理，满足使用功能要求，能较好地指导施工。关键词：配电；照明；有线电视；防雷接地AbstractThisdesignisCindaUptownBuilding5Electricalsystemdesign.TheprojectdesignislocatedinJinzhouCity,LiaoningProvince,atotalofsix,buildingheightof21meters,thestructureoftheframestructure,formthebasisofanindependentfoundation.Theengineeringdesignforthedesignofelectricsystemdesignandtheweaknessesofthesystem.Powersysteminclude:low-voltagedistributionsystemdesign,lightingsystemdesign,buildinglightningprotectionandgroundingsystemdesign;theweaknessesofthesysteminclude:networkdesign,cabletelevisionsystemanddesignoftelephonesystem.Theengineeringequipmentofelectricloadforthreeclassload.Thepowersupplybythesmallsubstationhas,throughcableburyingleadtoeachunitintolineark.Thesupplyvoltageis220/380V50Hz,theTN-C-Searthingsystem,theuserusesmixedsupplymoderadiationandtrunk.Thedesignoftheunitcapacityofilluminationcalculationmethod,checktheloadcoefficientmethod,accordingtothecalculationofcurrentconductorsectionselection,selectionoflowvoltagecircuitbreakeraccordingtolinethemaximumworkingcurrentandlineprotection.Socketandlightingcircuitsarecomposedofdifferentcircuitpowersupply,andleakageprotectiondeviceisarrangedinthesocketloop.Lightningprotectiondesignaccordingtothreekindsoflightningprotectionofbuildings,andthedesignofgeneralequipotentialconnectionandlocalequipotentialbondingsystem.ElectricaldesignandconstructionareusedAutoCAD,completedatotalof31piecesofengineeringdrawings,oneof3drawings,hand-paintedpicture1,27drawingsattachedtothespecificationafter.Thedesignconformstotheregulationsofstatetherelevanttechnicalspecificationsandrequirements,theequipmenttypeselection,tomeettheusefunction,caneffectivelyguidetheconstruction.Keywords：Distribution;lighting;cabletelevision;lightningprotectiongroundI目录第一章绪论............................................................................................................................11.1工程背景............................................................................................................................11.2设计范围............................................................................................................................11.3设计依据............................................................................................................................21.4设计目标............................................................................................................................21.5本设计的主要工作............................................................................................................2第二章低压配电系统设计......................................................................................................42.1负荷计算............................................................................................................................42.1.1负荷分级及供电要求....................................................................................................42.1.2负荷计算........................................................................................................................52.2配电系统............................................................................................................................82.2.1配电系统接线形式.........................................................................................................82.2.2配电系统设计原则.........................................................................................................82.3本工程低压配电系统设计...............................................................................................102.3.1供电电源......................................................................................................................102.3.2配电系统设计..............................................................................................................102.3.3负荷计算及导线的选择..............................................................................................15第三章照明与插座系统设计................................................................................................243.1照明系统概述..................................................................................................................243.1.1照明方式......................................................................................................................243.1.2照明种类......................................................................................................................243.1.3照明光源与灯具..........................................................................................................253