Authorizedlicenseduselimitedto:UniversityTownLibraryofShenzhen.DownloadedonJanuary26,2024at00:49:22UTCfromIEEEXplore.Restrictionsapply.IEEERecommendedPracticefortheDesignofDCPowerSystemsforStationaryApplicationsIEEEPowerandEnergySocietyDevelopedbytheEnergyStorageandStationaryBatteryCommitteeIEEEStd946™-2020(RevisionofIEEEStd946-2004)STANDARDAuthorizedlicenseduselimitedto:UniversityTownLibraryofShenzhen.DownloadedonJanuary26,2024at00:49:22UTCfromIEEEXplore.Restrictionsapply.IEEEStd946™-2020(RevisionofIEEEStd946-2004)IEEERecommendedPracticefortheDesignofDCPowerSystemsforStationaryApplicationsDevelopedbytheEnergyStorageandStationaryBatteryCommitteeoftheIEEEPowerandEnergySocietyApproved30January2020IEEE-SAStandardsBoardAuthorizedlicenseduselimitedto:UniversityTownLibraryofShenzhen.DownloadedonJanuary26,2024at00:49:22UTCfromIEEEXplore.Restrictionsapply.Abstract:Recommendedpracticesforthedesignofdcpowersystemsforstationaryapplicationsareprovidedinthisdocument.Thecomponentsofthedcpowersystemaddressedbythisdocumentincludelead-acidandnickel-cadmiumstoragebatteries,staticbatterychargers,anddistributionequipment.Guidanceinselectingthequantityandtypesofequipment,theequipmentratings,interconnections,instrumentationandprotectionisalsoprovided.Thisrecommendationisapplicableforpowergeneration,substation,andtelecommunicationapplications.Keywords:auxiliary,backup,battery,batterycharger,chargersizing,control,cross-tie,dc,directcurrent,distribution,dutycycle,generatingstation,grounddetection,IEEE946™,instrumentation,nuclear,panels,protectioncoordination,rectifiers,reserve,selectiveprotection,short-circuit,substation,telecommunicationTheInstituteofElectricalandElectronicsEngineers,Inc.3ParkAvenue,NewYork,NY10016-5997,USACopyright©2020byTheInstituteofElectricalandElectronicsEngineers,Inc.Allrightsreserved.Published23September2020.PrintedintheUnitedStatesofAmerica.IEEEisaregisteredtrademarkintheU.S.Patent&TrademarkOffice,ownedbyTheInstituteofElectricalandElectronicsEngineers,Incorporated.NationalElectricalSafetyCodeandNESCareregisteredtrademarksandservicemarksintheU.S.Patent&TrademarkOffice,ownedbyTheInstituteofElectricalandElectronicsEngineers,Incorporated.NationalElectricalCode,NEC,NFPA70,andNFPA70EareregisteredtrademarksintheU.S.Patent&TrademarkOffice,ownedbytheNationalFireProtectionAssociation.PDF:ISBN978-1-5044-6454-3STD24059Print:ISBN978-1-5044-6455-0STDPD24059IEEEprohibitsdiscrimination,harassment,andbullying.Formoreinformation,visithttps://www.ieee.org/about/corporate/governance/p9-26.html.Nopartofthispublicationmaybereproducedinanyform,inanelectronicretrievalsystemorotherwise,withoutthepriorwrittenpermissionofthepublisher.3Authorizedlicenseduselimitedto:UniversityTownLibrarCyoopfSyrhiegnhzth©en2.0D2o0wInEloEaEde.dAlolnrigJahntsuarreys2e6r,v2e0d2.4atImportantNoticesandDisclaimersConcerningIEEEStandardsDocumentsIEEEStandardsdocumentsaremadeavailableforusesubjecttoimportantnoticesandlegaldisclaimers.Thesenoticesanddisclaimers,orareferencetothispage(https://standards.ieee.org/ipr/disclaimers.html),appearinallstandardsandmaybefoundundertheheading“ImportantNoticesandDisclaimersConcerningIEEEStandardsDocuments.”NoticeandDisclaimerofLiabilityConcerningtheUseofIEEEStandardsDocumentsIEEEStandardsdocumentsaredevelopedwithintheIEEESocietiesandtheStandardsCoordinatingCommitteesoftheIEEESta...
