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1、摘要本次毕业设计题目为尚园小区3号楼电气设计，本工程为地上6层，地下1层的三类低层民用住宅楼，总建筑面积6300.18m2。课题的相关设计内容包括建筑电气设计的强电和弱电部分。它包括用电负荷计算、电气照明及插座、防雷与接地、可视对讲系统设计、有线电视系统设计、电话系统设计、网络系统设计。本工程为三级供电，采用室外箱式引来电源供电，配电电压为380/220V，为低压进线，配入为三相四线制，采用树干式配电方式至各分配电箱。接地型为TN-C-S系统。每套住宅设置电度表计量用电量，集中安装在底层单元总配电箱。配电方式采用放射式。户内照明采用吸顶座灯，插座
2、分为一般插座、空调插座、卫生间插座、厨房插座、冰箱插座和油烟机插座等。防雷为三类防雷设置避雷设施，接地采用联合基地装置。住宅单元入口处设置访客对讲系统。有线电视系统采用分配—分支方式，用户输出口信号电平都为68±4dB，信号由多模光纤引自广播电视局有线电视网。在这次设计中，一共包含二十一张设计图纸，其中弱电系统图为手绘，其余均采用AutoCAD辅助制图。关键词：供配电；照明；防雷与接地；有线电视AbstractThegraduationdesigntopicisthecommunityofshangyuan3#buildingelectrical
3、design,thisprojectfortheground6layersandtheunderground1layerofthethirdlevelofhighresidentialbuilding.Thetotalconstructionareaofprojectis6300.18squaremeters.Subjectrelateddesigncontentincludingbuildingelectricaldesignofstrongcurrentandweakcurrentdesign.Itincludeselectricityloa
4、dcalculation,electriclighting,socket,lightningprotectionandgrounding,thevisualtalk-backsystemdesign,cabletelevisionsystemdesign,telephonesystemdesign,networksystemdesign.Thisprojectisathirdlypowersupply,usingOutdoorbox-typetransformersubstationfromthemainpowersupplyandbackupp
5、owersupply,powerdistributionvoltagefor380/220V,theelectricalDistributionFacilitiesisforlowvoltageintolinewhichmatchthethree-phasefourwireintothehouseandthetrunktypedistributionwaytoeachdistributionelectricitybox..GroundingtypeisTN-C-Ssystem.Eachsetelectricitymetermeasuringele
6、ctricityconsumption,thetotaldistributionboxinstalledinthebottomunit.Thewayofsupplypowerisusingradialdistribution.Indoorlightingusingsuctioncaplamp,socketisdividedintogeneralsocket,airconditioning,bathroom,kitchensocketoutlet,refrigeratorandlampblackmachineoutletsocket.Lightni
7、ngprotectionforthethirdclasslightningprotectionfacilities,adoptcombinationbasegroundingdevice.Residentialunitsetvisitorsintercomattheentrance.CableTVsystemadoptsbranchdistributionmethod,theuseroutputsignallevelfor68±4dB,quotationsfrombureauofradioandtelevisionsignalsbymultimo
8、defibercablenetworks.Inthisdesignthatincludes21designdrawingsshouldb
