【英文标准名称】:Designationofrigidpolyvinylchloridecompounds
【原文标准名称】:硬质聚氯乙烯化合物
【标准号】:JISK6740-1976
【标准状态】:作废
【国别】:日本
【发布日期】:1976-03-01
【实施或试行日期】:1976-03-01
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:Chemical
【标准类型】:()
【标准水平】:()
【中文主题词】:塑料;未增塑聚氯乙烯
【英文主题词】:unplasticizedpolyvinylchloride;
【摘要】:
【中国标准分类号】:G32
【国际标准分类号】:83_080_20
【页数】:12P;A4
【正文语种】:日语


【英文标准名称】:Low-voltagepowersupplies,d.c.output-Part3:Electromagneticcompatibility(EMC)
【原文标准名称】:直流输出的低压电源装置第3部分:电磁兼容性(EMC)
【标准号】:IEC61204-3-2000
【标准状态】:作废
【国别】:国际
【发布日期】:2000-11
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC22E
【标准类型】:()
【标准水平】:()
【中文主题词】:直流输出;发电厂;质量要求;干扰辐射;电源;干扰抑制;低压设备;电力系统;直流电流;极限(数学);电磁兼容性;电磁兼容性;安全要求;电气工程;规范(验收);低电压;特性;试验;试验;试验;试验
【英文主题词】:Directcurrent;Direct-currentoutput;Electricpowersystems;Electricalengineering;Electromagneticcompatibility;EMC;Interferencerejections;Interferingemissions;Limits(mathematics);Lowvoltage;Low-voltageequipment;Powergeneratingplant;Powersupply;Properties;Qualityrequirements;Safetyrequirements;Specification(approval);Testing
【摘要】:ThispartofIEC61204specifieselectromagneticcompatibility(EMC)requirementsforpowersupplyunits(PSUs)providingd.c.output(s)upto200Vatapowerlevelofupto30kW,operatingfroma.c.ord.c.sourcevoltagesofupto600V.Thedevicesareforfree-standingoperationorforuseinotherequipmentwhenusedwithadequateelectricalandmechanicalprotection.ForcertainspecializedindustrialPSUs,forexampleinthechemicalandmetallurgicalindustry,otherproductEMCstandardsmayexist.Inthiscasethesestandardscanbeusedasanalternative.SincemanyPSUsareusedascomponentsoflargerunitswhicharecoveredbydifferentEMCstandards,aclassificationofpowersuppliesandtheapplicabilityoftherelevantEMCstandardsisgiveninitemsa)andb)below.FurtherguidelinesonclassificationaregiveninannexA.a)Powersuppliesintendedforfree-standingoperation(individualapparatus).ThispartofIEC61204isapplicabletoPSUsdevelopedasaunitwithadirectfunctionandsoldonthemarketasastand-aloneunit.b)ComponentpowersuppliesThesecanbedividedintotwocategories:1)Componentpowersuppliesconsideredasequivalenttoapparatus.ThispartofIEC61204isapplicabletothiscategoryofcomponentPSUs.ThesePSUsareconsideredtobeapparatuswithrespecttotheirEMCrequirements,forexamplethosePSUsintendedforuseininstallationsorsoldtothegeneralpublic,caseswherenofurtherEMCtestsareanticipated.ThisdoesnotincludePSUssoldassparesforrepairwhichhavebeentestedaspartofanoverallequipment.2)Componentpowersuppliesintendedforaprofessionalassembler/installerThispartofIEC61204isapplicabletothiscategoryofpowersuppliesonlyasanaidtospecifyrelevantEMCrequirementsinorderthatvariousendproductstandardsmaybemet.Thesearecomponentpowersuppliesthatareintendedforincorporationintoafinalproductbyaprofessionalassembler.Theseproductsmaybesoldtoaprofessionalassemblerorplacedonthemarketforspecializeddistributionanduse.Inneithercasedotheyperforminthemselvesadirectfunctionfortheuserofanend-product.FurtherEMCtestsoftheassemblyareassumed.NOTEAfterincorporationintoafinalproduct,theemissionvaluescanbealtered(e.g.becauseofmodifiedearthconnections).TheobjectofthispartofIEC61204istodefineEMClimitsandtestmethodsforPSUs.Itincludeslimitsforelectromagneticemissionswhichmaycauseinterferencetootherelectronicequipment(e.g.radioreceivers,measuringandcomputerdevices),aswellaselectromagneticimmunitylimitsforcontinuousandtransientconductedandradiateddisturbancesincludingelectrostaticdischarges.ThispartofIEC61204definestheminimumelectromagneticcompatibilityrequirementsforPSUs.TocomplywiththispartofIEC61204,noadditionalEMCtestsarerequiredornecessarybeyondthosestatedhere.
【中国标准分类号】:L06
【国际标准分类号】:29_200;33_100_01
【页数】:75P.;A4
【正文语种】:英语