【英文标准名称】:Powerfrequencyovervoltageprotectivedeviceforhouseholdandsimilarapplications(POP)
【原文标准名称】:家用和类似用途的工频过电压保护装置(POP)
【标准号】:BSEN50550-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-06-30
【实施或试行日期】:2011-06-30
【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】:Accessories;Alternatingcurrent;Alternatingvoltages;Circuit-breakers;Classificationsystems;Contactsafetydevices;Definitions;Design;Differentialcurrentswitches;Differentialcurrents;Domesticelectricalinstallations;Earth-leakagecircuit-breakers;Electricappliances;Electricalengineering;Electricalinstallations;Electricalprotectionequipment;Electricalsafety;Electromagneticcompatibility;EMC;Faultcurrentbreakers;Faultcurrents;Houseinstallations;Householdequipment;Householduse;Inscription;Inspection;Lineswitches;Lowvoltage;Low-voltageequipment;Marking;Mountingmaterials;Overcurrentprotection;Powerfrequency;Productinformation;Properties;Protectionagainstelectricshocks;Protectiondevices;Residualcurrentoperatedcircuit-breakers;Self-actingcircuit-breakers;Switches;Switchgear;Testing;Trippingmechanisms(circuit-breakers)
【摘要】:ThisEuropeanStandardappliestopowerfrequencyovervoltageprotectiondevices(hereafterreferredtoas“POP”)forhouseholdandsimilaruses,witharatedfrequencyof50Hz,aratedvoltage230Va.c.(betweenphaseandneutral),intendedtobeusedincombinationwithamainprotectivedevicebeingeitheraCBincompliancewithEN60898-1orEN60898-2,aRCCBincompliancewithEN61008-1oraRCBOincompliancewithEN61009-1.NOTE1RequirementsforPOPsincombinationwithswitchingdevicesotherthanamainprotectivedevice,oraPOPintegratedinaMPD,areunderconsideration.NOTE2RequirementsforPOPwithfunctionalearthconnectionregardingtemporaryovervoltagewithstandareunderconsideration.NOTE3APOPisnotaprotectivedevicetobeusedforautomaticdisconnectionofthesupplyinthemeaningofHD60364-4-41.Theyareintendedforuseinanenvironmentwithpollutiondegree2andovervoltagecategoryIII.Theycanbedesignedforfactoryassemblyorforassemblyonsite.Thesedevicesareintendedtomitigatetheeffectsofpowerfrequencyovervoltagesbetweenphaseandneutralconductor(e.g.causedbylossofneutralconductorinthethreephasesupplyupstreamthePOP)fordownstreamequipmentbyactuatingthemainprotectivedevicewhenanovervoltagebetweenphaseandneutralisdetected.NOTE4TomitigatemeansinthiscontextthatthePOPwillprovideprotectioninmostcasesofpowerfrequencyovervoltages.NOTE5Protectionincaseofovervoltagebetweenphasesisunderconsideration.Incaseofphasetophaseelectricalsupplysystemwithratedvoltagebetweenphases230Va.c.andnoneutralconductor,onelinemonitoredPOPincompliancetothisstandardcanbeusedaccordingtomanufacturer’sinstruction.ThePOPdoesnotimpairtheprotectivefunctionofthemainprotectivedevice.ThisEuropeanStandarddoesnotapplyforprotectionagainstcommonmodeovervoltages.ThisEuropeanStandarddoesnotapplytosurgeprotectivedevices.ThisEuropeanStandardstates:–thedefinitionsoftermsusedforPOP(Clause3);–theclassificationofPOP(Clause4);–thecharacteristicsofPOP(Clause5);–thepreferredvaluesoftheoperatingandinfluencingquantities(Clause5);–themarkingandinformationtobeprovidedforPOP(Clause6);–thestandardconditionsforinstallationandoperationinservice(Clause7);–therequirementsforconstructionandoperation(Clause8);–thelistofminimumrequirementstobetested(Clause9).
【中国标准分类号】:K31
【国际标准分类号】:29_120_50
【页数】:50P.;A4
【正文语种】:英语


【英文标准名称】:TestMethodforAssessingMiddleDistillateFuelStorageStabilitybyOxygenOverpressure
【原文标准名称】:剩余氧压法评定中间馏份燃料储存稳定性的试验方法
【标准号】:ANSI/ASTMD5304-2006
【标准状态】:作废
【国别】:美国
【发布日期】:2006
【实施或试行日期】:2006-05-23
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:蒸馏;矿物油;耐力;储存;试验
【英文主题词】:Distillates;Mineraloils;Resistance;Storage;Testing
【摘要】:ThistestmethodcoversaprocedureforassessingthepotentialstoragestabilityofmiddledistillatefuelssuchasGradeNo.1DandGradeNo.2Ddieselfuels,inaccordancewithSpecificationD975.Thistestmethodisapplicabletoeitherfreshlyrefinedfuelsorfuelsalreadyinstorage.Thistestmethodissuitableforfuelscontainingstabilizeradditivesaswellasfuelscontainingnosuchadditives.AppendixX1providesinformationonothersuggestedtesttimesandtemperaturesforwhichthistestmethodmaybeused.1ThevaluesstatedinSIuntsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,see4.1,6.2,6.3,7.4,10.1,and10.2.
【中国标准分类号】:E31
【国际标准分类号】:75_080
【页数】:
【正文语种】:英语