资源描述:
《等电位箱的作用》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、等电位箱的作用ActionofequipotentialboxWiththeimprovementofpeople,slivingstandards,people,sinteriordecorationismoremagnificent,moreandmoresophisticatedequipment,avarietyofelectricalarray.Cannotbeignoredisthatduetotheintroductionofalargenumberofelectricalequipme
2、nt,thehiddenelectricalhazardsarealsoincreasing.Equipotentialbondingisasecuritymeasurethatisextremelyimportantinthedesignandconstructionoftheresidentialbuildingsdo,directlyrelatedtothesafetyofpeople,slife,inrecentyears,thestateattachesgreatimportancetoth
3、isproblem,inthenewresidentialdesignstandardspromulgated“(GB50096-1999)todotherelevantprovisions,suchaspotentialcormectiontothesafeuseofelectricity,andlightningprotectionofelectronicinformationequipmentnormaloperationandsafeuseisnecessary,wearefamiliarwi
4、ththesafetyofgroundingalsobelongstotheequipotentialconnection.Accordingtothetheoreticalanalysis:thelesstherangeofequipotentialbonding,themoresafetheelectrical,andiftheequipotentialconnectionisdonewithinthescopeofresidentialbuildings,theeffectismuchbette
5、rthanthegrounding.Theequipotentialbondingofresidentialbuildingsisdividedintototalequipotentialbondingandlocalequipotentialbonding.Equipotentialbondingisthegroundingline,linedistributionboxPEbus,publicfacilities,residentialmetalpipemetalstructureandlight
6、ningprotectiondevicesinksgroundingdeviceinsidethehousehasreceivedthemainearthingterminalboardlinedistributionboxnexttoeachother,andhastheadvantagesofsimpleconnection,themainbussectionequipotentialbondingshouldbegreaterthanhalfthemaximumsectionofthedevic
7、e,butshouldnotbelessthan6mm,iftheuseofothermetalmaterialthesectionshouldbeabletowithstandtheloadandadapttothe.Residentialbuildingsdogeneralequipotentialconnection,canpreventthepowerlineTNsystemPEandPENtransmissionlinesisintroducedintothefaultvoltagelead
8、toelectricshockaccident,andcanreducethepotentialdifferenceandelectricarc,sparkoccurrenceprobability,avoidthefaultsofelectricalfireaccidentscausedbyelectricshockandpersonalaccident・Theresidentialbuildingoflocalequipotentialbonding