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1、CommercialBuildingsAbstract:Aguideandgeneralreferenceonelectricaldesignforcommercialbuildingsisprovided.Itcoversloadcharacteristics;voltageconsiderations;powersourcesanddistributionapparatus;controllers;services,vaults,andelectricalequipmentrooms;wiringsy
2、stems;systemsprotectionandcoordination;lighting;electricspaceconditioning;transportation;communicationsystemsplanning;facilityautomation;expansion,modernization,andrehabilitation;specialrequirementsbyoccupancy;andelectricalenergymanagement.Althoughdirecte
3、dtothepowerorientedengineerwithlimitedcommercialbuildingexperience,itcanbeanaidtoallengineersresponsiblefortheelectricaldesignofcommercialbuildings.Thisrecommendedpracticeisnotintendedtobeacompletehandbook;however,itcandirecttheengineertotexts,periodicals
4、,andreferencesforcommercialbuildingsandactasaguidethroughthemyriadofcodes,standards,andpracticespublishedbytheIEEE,otherprofessionalassociations,andgovernmentalbodies.Keywords:Commercialbuildings,electricpowersystems,loadcharacteristics1.Introduction1.1Sc
5、opeThisrecommendedpracticewillprobablybeofgreatestvaluetothepowerorientedengineerwithlimitedcommercialbuildingexperience.Itcanalsobeanaidtoallengineersresponsiblefortheelectricaldesignofcommercialbuildings.However,itisnotintendedasareplacementforthemanyex
6、cellentengineeringtextsandhandbookscommonlyinuse,norisitdetailedenoughtobeadesignmanual.Itshouldbeconsideredaguideandgeneralreferenceonelectricaldesignforcommercialbuildings.1.2CommercialBuildingsTheterm“commercial,residential,andinstitutionalbuildings”as
7、usedinthischapter,encompassesallbuildingsotherthanindustrialbuildingsandprivatedwellings.Itincludesofficeandapartmentbuildings,hotels,schools,andchurches,marine,air,railway,andbusterminals,departmentstores,retailshops,governmentalbuildings,hospitals,nursi
8、nghomes,mentalandcorrectionalinstitutions,theaters,sportsarenas,andotherbuildingsservingthepublicdirectly.Buildings,orpartsofbuildings,withinindustrialcomplexes,whichareusedasofficesormedicalfacilitiesorforsimilarno
