建筑施工临时用电计算实例

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1、建筑施工临时用电计算实例○陈石斌（汕头市龙湖区建设局安全管理监督站）新津中学教学楼地上部分主要用电设备及功率：编号用电设备名称铭牌技术数据换算后设备容量Pe台数1400L砼搅拌机C0SΦ=0.87.5KW7.5KW22UJ325砂浆搅拌机C0SΦ=0.653.0KW3.0KW23插入式振捣器C0SΦ=0.851.1KW1.1KW24平板式振捣器C0SΦ=0.851.1KW1.1KW251.5吨提升卷扬机C0SΦ=0.657.5KW7.5KW261.0吨卷扬机C0SΦ=0.655.5KW5.5KW27

2、QJ40钢筋切断机C0SΦ=0.77.0KW7.0KW18QJ40钢筋弯曲机C0SΦ=0.73.0KW3.0KW19交流电焊机C0SΦ=0.85JC=65%11KW7.6KW210弧对焊机C0SΦ=0.85JC=60%30.5KW20.1KW111ф600木工圆盘锯C0SΦ=0.875.5KW5.5KW112单盘水磨机C0SΦ=0.82.2KW2.2KW213蛙式打夯机C0SΦ=0.81.5KW1.5KW2nthemainterminal,andthetelephoneOfficeisrespons

3、ibleforprovidingtheappropriatesizeadapterpatchpanelsandelectricalprotectionunit.(Shuttlebus)wiring(IDF)setupintheworkshoponthesecondfloorofthebuilding,locatedintheDistrictofweakelectricalcabinets(well).EngineroomplacedinsidetheCabinet,IDFplacedastandar

4、d40Ucabinetsforinstallationofnetworkandwiringdevices,managementcomputerandtelephoneinformation.CabinetdistributionframearemadeofSuperfiveRJ45patchpanelhorizontaltwistedpairconnections.Computerinformationmanagement,adminareausingthejumpers,whichusespriv

5、ateRJ45-RJ45softjumpersfornetworkdeviceswithjumpershoppingbetweenallswitches,changes,expansionandmaintenanceweredonequicklyinthewiringcloset.TwistedlengthCentreroomislocatedonthesecondfloor,outwardradiationofeachline(exceptsomepointsmayexceed)doesnotex

6、ceed100metresinlength,allinformationforthevariousfloorsallrooms(distributionCabinet)unifiedmanagement.Districtworkshopbuildingdistributionlines(IDF)viafiberopticcablesconnectedtothetotalroomcabinets.Fiberlengthwere:workshopstwoIDF:totalmorethan1200squa

7、remeters,doublethenumberofstrandscanbecalculatedbymultiplyingtheaveragelengthofthenumberofinformationpointsare.Averagelevelofeachlengthofcable:L=[(S1+S2)/2]+L1+L2l:averagelengthofcable;L1:MDFcableallowance;L2:otherallowancesS1:minimumhorizontalcablelen

8、gth;S2:maximumhorizontallengthofcable;Officebuildingofinformation:aminimumof26meters,thelongestwas92meters,L=[(28+92)/2]+2.5+1=62.5m;Totallengthof62.5mx792=49500-meterineachbox(KFT)by300meterspercarton;Thetwisted-paircableboxyouwant=495