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BS EN 61558-2-1-1998 电源变压器、供电设备及类似设备安全性.通用分立变压器专门要求

作者:标准资料网 时间:2024-04-26 20:00:51  浏览:9757   来源:标准资料网
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【英文标准名称】:Safetyofpowertransformers,powersupplyunitsandsimilar-Particularrequirementsforseparatingtransformersforgeneraluse
【原文标准名称】:电源变压器、供电设备及类似设备安全性.通用分立变压器专门要求
【标准号】:BSEN61558-2-1-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-01-15
【实施或试行日期】:1998-01-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电绝缘;作标记;过载保护装置;电气设备;隔离变压器;安全工程;电力系统;变压器;额定功率;电气安全;短路电流;小功率变压器;额定频率;电力变压器;额定电压
【英文主题词】:
【摘要】:Replacement:Thispart2ofIEC61558appliestostationaryorportable,single-phaseorpolyphase,air-cooledseparatingtransformers,associatedornot,havingaratedsupplyvoltagenotexceeding1000Va.c.,aratedfrequencynotexceeding500Hz,andaratedoutputnotexceeding:-1kVAforsingle-phasetransformers;-5kVAforpolyphasetransformers.Thisstandardisalsoapplicabletoseparatingtransformershavingaratingupto40kVA,howeversuchtransformersareconsideredasspecialtransformersandaresubjectedtoanagreementbetweenthepurchaserandthesupplier.Theno-loadoutputvoltageortheratedoutputvoltageshallnotexceed1000Va.c.or1415Vripple-freed.c.Thisstandardappliestotransformerswheredoubleorreinforcedinsulationbetweencircuitsisnotrequiredbytheinstallationrulesorbytheappliancespecification.NOTE1-Normally,thetransformersareintendedtobeassociatedwithequipmenttoprovidevoltagesdifferentfromthesupplyvoltageforthefunctionalrequirementoftheequipment.Thesafetyinsulationmaybeprovided(orcompleted)byotherfeaturesoftheequipment,suchasthebody.Partsofoutputcircuitsmaybeconnectedtotheinputcircuitortoprotectiveearth.Thisstandardisalsoapplicabletotransformersassociatedwithspecificitemsofequipment,totheextentdecideduponbytherelevantIECtechnicalcommittees.Thisstandardisapplicabletodrytypetransformers.Thewindingsmaybeencapsulatedornon-encapsulated.NOTES2Fortransformersfilledwithliquiddielectricorpulverisedmaterial,suchassand,additionalrequirementsareunderconsideration.3Inlocationswherespecialenvironmentalconditionsprevail,particularrequirementsmaybenecessaryinaccordancewithIEC364-5-51.
【中国标准分类号】:K41
【国际标准分类号】:29_180
【页数】:14P;A4
【正文语种】:英语


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【英文标准名称】:StandardSpecificationforPolyethylenePlasticsPipeandFittingsMaterials
【原文标准名称】:聚乙烯塑料管和配件材料标准规范
【标准号】:ASTMD3350-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D20.15
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:cellclassificationsystem;pipeandfittingsmaterial;polyethylene;recycled;Cellclassificationsystem;Polyethylene(PE)--specifications;Polyethylene(PE)fittings--specifications;Polyethylene(PE)pipe--specifications
【摘要】:1.1Thisspecificationcoverstheidentificationofpolyethyleneplasticpipeandfittingsmaterialsinaccordancewithacellclassificationsystem.Itisnotthefunctionofthisspecificationtoprovidespecificengineeringdatafordesignpurposes,tospecifymanufacturingtolerances,ortodeterminesuitabilityforuseforaspecificapplication.1.2Polyethyleneplasticmaterials,beingthermoplastic,arereprocessableandrecyclable(Note2).Thisspecificationallowsfortheuseofthosepolyethylenematerials,providedthatallspecificrequirementsofthisspecificationaremet.Note18212;Thenotesinthisspecificationareforinformationonlyandshallnotbeconsideredpartofthisspecification.Note28212;SeeGuideD5033forinformationanddefinitionsrelatedtorecycledplastics.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note38212;ThereisnoknownISOequivalenttothisstandard.1.5ForinformationregardingmoldingandextrusionmaterialsseeSpecificationD4976.ForinformationregardingwireandcablematerialsseeSpecificationD1248.
【中国标准分类号】:G33
【国际标准分类号】:23_040_45
【页数】:7P.;A4
【正文语种】:英语


【英文标准名称】:Methodsofmeasurementforequipmentusedindigitalmicrowaveradiotransmissionsystems;part1:measurementscommontoterrestrialradio-relaysystemsandsatelliteearthstations;sectionone:general(IEC60835-1-1:1990);GermanversionEN60835-1-1:1
【原文标准名称】:数字微波无线电传输系统设备的测量方法.第1部分:地面无线电中继系统和卫星地面站测量方法.第1节:总则
【标准号】:EN60835-1-1-1992
【标准状态】:现行
【国别】:
【发布日期】:1993-09
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电信系统;测量技术;信号传输;电力系统;检验规范;检验;广播;无线电通信;电信;传输系统;微波;电气工程;规范(认可);陆地的;定义;测量;地面站;微波链路;无线电中继系统;无线电通信链路;通信链路;卫星通信;卫星通信链路;额定值
【英文主题词】:Broadcasting;Definition;Definitions;Digitalradiolinks;Digitalsignals;Earthstations;Electricpowersystems;Electricalengineering;Inspection;Inspectionspecification;Measurement;Measuringtechniques;Microwavelinks;Microwaves;Radioequipment;Radiolinks;Radiostations;Radiocommunication;Radio-relaysystems;Ratings;Satellitecommunications;Satellitelinks;Signaltransmission;Specification(approval);Telecommunication;Telecommunicationlinks;Telecommunicationsystems;Telecommunications;Terrestrial;Testingconditions;Transmissionsystems
【摘要】:
【中国标准分类号】:M34
【国际标准分类号】:33_060_30
【页数】:10P.;A4
【正文语种】:英语



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