BS EN 60512-1-3-1997 电子设备连接器.试验和测量.总则.试验1c.电接合长度
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【英文标准名称】:Connectorsforelectronicequipment-Testsandmeasurements-General-Test1c-Electricalengagementlength
【原文标准名称】:电子设备连接器.试验和测量.总则.试验1c.电接合长度
【标准号】:BSEN60512-1-3-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-12-15
【实施或试行日期】:1997-12-15
【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】:规范(验收);电气工程;触点;电子设备;机电的;测量技术;重叠;基本规范;缠绕连接;无钎焊连接;试验;测量;电气元件;电接合长度
【英文主题词】:
【摘要】:ThissectionofIEC60512-1,whenrequiredbythedetailspecification,isusedfortestingelectromechanicalcomponentswithinthescopeofIECtechnicalcommittee48.Thistestmayalsobeusedforsimilarcomponentswhenspecifiedinadetailspecification.TheobjectofthistestistodefineastandardtestmethodtomeasuretheelectricalengagementlengthinaconnectorasdefinedinIEV581-03-15.
【中国标准分类号】:L23
【国际标准分类号】:31_220_01
【页数】:10P;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforWeldedAusteniticSteelBoiler,Superheater,Heat-Exchanger,andCondenserTubes
【原文标准名称】:锅炉、过热器、换热器和冷凝器用焊接奥氏体钢管标准规范
【标准号】:ASTMA249/A249M-2003
【标准状态】:作废
【国别】:美国
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:管;管道;冷凝器;蒸汽冷凝器;蒸汽加热器;锅炉;热交换器;钢;奥氏体钢
【英文主题词】:pipelines;steels;condensers;pipes;steamcondensers;steamheaters;heatexchangers;austeniticsteels;boilers
【摘要】:
【中国标准分类号】:H48
【国际标准分类号】:23_040_10
【页数】:9P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforWetInsulationIntegrityTestingofPhotovoltaicArrays
【原文标准名称】:光电阵列湿绝缘完整性测试的标准试验方法
【标准号】:ASTME2047-2010
【标准状态】:现行
【国别】:
【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】:E44.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:电气测试;绝缘完整性;绝缘电阻;光电的;太阳能;电气性能-太阳能设备;光电动力系统;湿绝缘完整性
【英文主题词】:electricaltesting;insulationintegrity;insulationresistance;photovoltaics;solarenergy;Electricalperformance--solardevices;Insulationresistance;Photovoltaic(PV)powersystems;Solarenergy;Wetinsulationintegrity
【摘要】:ThedesignofaPVmoduleorsystemintendedtoprovidesafeconversionofthesun''sradiantenergyintousefulelectricitymusttakeintoconsiderationthepossibilityofhazardshouldtheusercomeintocontactwiththeelectricalpotentialofthearray.Inaddition,theinsulationsystemprovidesabarriertoelectrochemicalcorrosion,andinsulationflawscanresultinincreasedcorrosionandreliabilityproblems.Thistestmethoddescribesaprocedureforverifyingthatthedesignandconstructionofthearrayprovidesadequateelectricalisolationthroughnormalinstallationanduse.AtnolocationonthearrayshouldthePV-generatedelectricalpotentialbeaccessible,withtheobviousexceptionoftheoutputleads.Theisolationisnecessarytoprovideforsafeandreliableinstallation,use,andserviceofthePVsystem.Thistestmethoddescribesaprocedurefordeterminingtheabilityofthearraytoprovideprotectionfromelectricalhazards.Itsprimaryuseistofindinsulationflawsthatcouldbedangeroustopersonswhomaycomeintocontactwiththearray.Correctiveactiontakentoaddresssuchflawsisbeyondthescopeofthistestmethod.Thisproceduremaybespecifiedaspartofaseriesofacceptancetestsinvolvingperformancemeasurementsanddemonstrationoffunctionalrequirements.Largearrayscanbetestedinsmallersegments.Thesizeofthearraysegmenttobetested(calledx201C;circuitundertestx201D;inthistestmethod)isusuallyselectedataconvenientbreakpointandsizedsuchthattheexpectedresistanceorcurrentreadingiswithinthemiddlethirdofthemeter''srange.Insulationleakageresistanceandinsulationleakagecurrentleakagearestrongfunctionsofarraydimensions,ambientrelativehumidity,absorbedwatervapor,andotherfactors.Forthisreason,itistheresponsibilityoftheuserofthistestmethodtospecifytheminimumacceptableleakageresistanceforthistest.Eventhoughanumericalquantityisspecified,actualresultsareoftenpass-failinthatwhenaflawisfound,theleakagecurrentchangesfromalmostnothingtothefullscalevalueonthemeter.Theuserofthistestmethodmustspecifytheoptionusedforconnectiontothearrayduringthetest.Theshort-circuitedoptionrequiresashortingdevicewithleadstoconnectthepositiveandnegativelegsofthecircuitundertest.Forlargersystems,wheretheshortingdevicemayhavetoberatedforhighcurrentandvoltagelevels,theopen-circuitedoptionmaybepreferred.Theopen-circuitedoptionrequirestheusertocorrectreadingstoaccountforthePV-generatedvoltage,andtheprocedureformakingsuchcorrectionsisbeyondthescopeofthistestmethod.Theshort-circuitedoptionmaybeeasierforsmallsystemswherethevoltageandcurrentlevelsarelowandthedistancebetweentheplusandminusleadsofthecircuitundertestaresmall.Theshort-circuitedoptionminimizesthechanceofexposingarraycomponentstovoltagelevelsabovethoseforwhichtheyarerated.1.1Thistestmethodcoversaproceduretodeterminetheinsulationresistanceofaphotovoltaic(PV)array(oritscomponentstrings),thatis,theelectricalresistancebetweenthearray''sinternalelectricalcomponentsandisexposed,electricallyconductive,non-currentcarryingpartsandsurfacesofthearray.1.2Thistestmethoddoesnotestablishpassorfaillevels.Thedeterminationofacceptableorunacceptableresultsisbeyondthescopeofthistestmethod.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itis......
【中国标准分类号】:F12
【国际标准分类号】:27_160
【页数】:4P.;A4
【正文语种】:
