JJG 366-1986 接地电阻表试行检定规程
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基本信息
| 标准名称： | 接地电阻表试行检定规程 |
| 英文名称： | Verification Regulation of Earth Resistance Meter |
| 中标分类： | 综合 >> 计量 >> 电磁计量 |
| 替代情况： | 被JJG 366-2004代替 |
| 发布日期： | 1986-11-12 |
| 实施日期： | 1987-09-12 |
| 首发日期： | |
| 作废日期： | 2004-12-01 |
| 出版社： | 中国计量出版社 |
| 出版日期： | 2004-05-09 |
| 页数： | 13页 |
| 书号： | 155026-1658 |
适用范围
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所属分类： 综合 计量 电磁计量
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Product Code:SAE AMS3270
Title:Chloroprene (Cr) Rubber Sheet, Cotton Fabric Reinforced, Weather Resistant
Issuing Committee:Ams P Polymeric Materials Committee
Scope:This specification covers cotton-fabric-reinforced chloroprene (CR) rubber in the form of sheet. Primarily for parts, such as gaskets and seals, requiring resistance to weather, moderate heat, water, and petroleum-base lubricating oil.【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】:
Title:Chloroprene (Cr) Rubber Sheet, Cotton Fabric Reinforced, Weather Resistant
Issuing Committee:Ams P Polymeric Materials Committee
Scope:This specification covers cotton-fabric-reinforced chloroprene (CR) rubber in the form of sheet. Primarily for parts, such as gaskets and seals, requiring resistance to weather, moderate heat, water, and petroleum-base lubricating oil.【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】: