IEC/TR 61000-2-14-2006 电磁兼容性(EMC).第2-14部分:环境.公共电力配置网络的过电压特性

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【英文标准名称】:Electromagneticcompatibility(EMC)-Part2-14:Environment-Overvoltagesonpublicelectricitydistributionnetworks
【原文标准名称】:电磁兼容性(EMC).第2-14部分:环境.公共电力配置网络的过电压特性
【标准号】:IEC/TR61000-2-14-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-12
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC77C
【标准类型】:()
【标准水平】:()
【中文主题词】:分类系统;兼容性;可混用性;定义;电网;电力系统;电气工程;电磁的;电磁场;电磁波;电磁学;电磁兼容性;环境;环境条件;爆炸;高电压;影响量;强度;干扰抑制;干扰;极限(数学);磁场;电力网供电;测量;动量;核能;过电压;特性;辐射;无线电干扰;竖井
【英文主题词】:
【摘要】:ThispartofIEC61000describestheelectromagneticenvironmentwithrespecttothevoltagesinexcessofnormalthatarefoundonelectricitysupplynetworksoperatingatlowandmediumnominalvoltagesandthatcanbeimpressedonequipmentconnectedtothosenetworks,withoutconsideringfurthereffects(e.g.amplificationorattenuation)withinaninstallation.Sincetheseovervoltageshavethepotentialtohinderthefunctioningofelectricalandelectronicequipment,theyfallwithinthedefinitionofelectromagneticdisturbanceinthefieldofEMC.Variouscategoriesofovervoltagearedescribed,basedonrelativemagnitude,durationandenergycontent.ThisTechnicalReportdescribesthephenomenaofovervoltages,itdoesnotspecifycompatibilitylevelsanddoesnotdirectlyspecifyemissionandimmunitylevels.Thereportdescribesthevariousphenomenaandprocessesthatcauseovervoltages,includingthetransferintothenetworksconcernedofovervoltagesthatoriginateinortraverseothernetworksandinstallations,includinghighervoltagenetworksandtheinstallationsofelectricityusers.Theeffectsofovervoltagesonequipmentareoutlined.Somecasestudiesofovervoltageeventsarepresented.Recommendationsaremaderegardingthegeneraltechnicalapproachtomitigatingtheriskofequipmentbeinghinderedfromoperatingasintendedbytheeffectsofovervoltages.(ItisnotthefunctionofIECpublicationstoassignresponsibilityformitigatingmeasurestoanyofthepartiesinvolved.)ThepurposeofthisreportistoensurethatthisimportantcategoryofelectromagneticdisturbanceisincludedinthedescriptionoftheenvironmentinPart2ofIEC61000.Forthatpurpose,onlyabriefdescriptionisprovidedofthevariousovervoltagesandtheircausesandeffects.AmuchmoredetailedtreatmentcanbefoundinIEC62066.AUIEpublication–Guidetoqualityofelectricalsupplyforindustrialinstallations,PartVI:Transientandtemporaryovervoltagesandcurrents–hasasimilarcontent.MeasurementmethodsarespecifiedinIEC61000-4-30.NOTEThisTechnicalReportdoesnotincludedetailedmeasurementresultsforovervoltages,thereforeitisnotpossibletoprovideanassessmentoftheprobabilityofoccurrence.
【中国标准分类号】:L06;K40
【国际标准分类号】:29_240;33_100_01
【页数】:43P;A4
【正文语种】:英语


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【英文标准名称】:StandardPracticesforSamplingWater-FormedDeposits
【原文标准名称】:水沉积物抽样的标准实施规程
【标准号】:ASTMD887-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D19.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:Biologicaldataanalysis--waterapplications;Corrosivity--water;Non-humancontrol;Radioactivewateranalysis;Samplingwateranalysisapplications;Scale;Slimes;Sludgesampling;Watercorrosivity;Water-formeddeposits
【摘要】:Thegoalofsamplingistoobtainforanalysisaportionofthewholethatisrepresentative.Themostcriticalfactorsaretheselectionofsamplingareasandnumberofsamples,themethodusedforsampling,andthemaintenanceoftheintegrityofthesamplepriortoanalysis.Analysisofwater-formeddepositsshouldgivevaluableinformationconcerningcyclesystemchemistry,componentcorrosion,erosion,thefailuremechanism,theneedforchemicalcleaning,themethodofchemicalcleaning,localizedcyclecorrosion,boilercarryover,flowpatternsinaturbine,andtherateofradiationbuild-up.Somesourcesofwater-formeddepositsarecyclecorrosionproducts,make-upwatercontaminants,andcondensercoolingwatercontaminants.1.1Thesepracticescoverthesamplingofwater-formeddepositsforchemical,physical,biological,orradiologicalanalysis.Thepracticescoverbothfieldandlaboratorysampling.Italsodefinesthevarioustypesofdeposits.Thefollowingpracticesareincluded:
Sections
PracticeAx2014;SamplingWater-FormedDepositsFromTubingofSteamGeneratorsandHeatExchangers
8to10
PracticeBx2014;SamplingWater-FormedDepositsFromSteamTurbines
11to14
【英文标准名称】:Plasticcoveredcoppertubes
【原文标准名称】:塑料包覆铜管
【标准号】:JISH3330-2003
【标准状态】:现行
【国别】:日本
【发布日期】:2003-10-20
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonNon-FerrousMetals
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:この規格は,使用圧力1.0MPa以下の給水,給湯,排水,空調用冷温水の配管,その他の配管に用いる外面に合成樹脂を被覆した継目無銅管(以下,被覆銅管という。)について規定する。
【中国标准分类号】:H62
【国际标准分类号】:23_040_15;77_150_30
【页数】:11P;A4
【正文语种】:日语