NF V25-112-2010 马铃薯.准备供应新鲜农产品市场的食用马铃薯交货验收的最佳操作规范

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Product Code:SAE AS85049/76
Title:Connector Accessories, Electrical, Backshell, Environmental, 90°, Shield Termination, Category 2B, Nonself-Locking (MIL-DTL-38999 Series I and II Connectors)
Issuing Committee:Ae-8c1 Connectors Committee
Scope:No scope available.【英文标准名称】:Low-voltageswitchgearandcontrolgearassemblies.Assembliesforpowerdistributioninpublicnetworks
【原文标准名称】:低压开关装置和控制装置.公共网络配电用配件
【标准号】:BSEN61439-5-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-03-31
【实施或试行日期】:2011-03-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Ageingstability;Bus-bars;Cabledistributioncubicles;Cabledistributionsystems;Cableterminalcubicles;Clearances;Constructionrequirements;Contactsafetydevices;Controldevices;Corrosion;Definitions;Degreesofprotection;Distributingnetworks;Distribution;Distributionboxes;Distributioncubicles;Earthing;Electriccontactprotection;Electricpowerdistribution;Electricpowersystems;Electricshock;Electricalengineering;Electricalsafety;Electricity;Electricitydistribution;Electricitytransmission;Enclosures;Energydistribution;Energysupply;Energysupplysystems(buildings);Environmentalcondition;Fire;Flammability;Heat;Identification;Impactstrength;Inspection;Jointefficiency;Leakagepaths;Liveterminals;Lowvoltage;Low-voltageequipment;Low-voltageswitchgear;Mainssupply;Maintenance;Marking;Mechanics;Openair;Operatingconditions;Operation;Properties;Public;Qualificationtests;Safety;Stationary;Strengthofmaterials;Switchboards(switchgear);Switchgear;Switchgearassemblies;Systemcontrolcenter;Temperature;Temperature-risetests;Testing;Verification
【摘要】:ThisclauseofPart1applieswiththefollowingadditions.Addition:Thisstandardgivesspecificrequirementsforpublicelectricitynetworkdistributionassemblies(PENDAs),whicharestationaryassembliesverifiedbyverificationtests,asdefinedinthisstandard.TheseASSEMBLIESareusedforthedistributionofelectricalenergyinthree-phasesystems(seeFigure101foratypicaldistributionnetwork).OpentypeASSEMBLIESarenotcoveredbythisstandard.Theobjectofthisstandardistostatethedefinitionsandtospecifytheserviceconditions,constructionrequirements,technicalcharacteristicsandtestsforPENDAs.Networkparametersmayrequiretestsathigherperformancelevels.NOTE1IfaPENDAisequippedwithadditionalequipment(forexamplemeters),insuchawaythatthemainfunctionischangedconsiderably,thenotherstandardsmayalsoapplyasagreedbetweenuserandmanufacturer(see8.5).NOTE2Wherelocalregulationsandpracticespermit,aPENDAaccordingtothisstandardmaybeusedinotherthanpublicnetworks.PENDAsaresuitableforinstallationinplaceswhereonlyskilledpersonshaveaccessfortheiruse,however,outdoortypesmaybeinstalledinsituationsthatareaccessibletoordinarypersons.
【中国标准分类号】:K30
【国际标准分类号】:29_130_20
【页数】:32P.;A4
【正文语种】:英语