【英文标准名称】:Insulationcoordinationforequipmentwithinlow-voltagesystems-Part5:Acomprehensivemethodfordeterminingclearancesandcreepagedistancesequaltoorlessthan2mm
【原文标准名称】:低压系统内设备的绝缘配合.等于或低于2mm的余隙距离和漏电距离的综合测定法
【标准号】:BSEN60664-5-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2004-02-16
【实施或试行日期】:2004-02-16
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:湿度;电气设备;绝缘;印制电路;定义;试验;调查;漏电距离;低电压;电驱动装置;电子设备及元件;漏电路径;低压电器;绝缘材料;尺寸选定;电气器具;绝缘配合;测量;设备;电气工程;余隙距离;间隙;规范(验收);电压;研究方法;电绝缘材料;低压绝缘子;集成电路;额定值;低压设备
【英文主题词】:Clearancedistances;Clearances;Creepagedistances;Definition;Definitions;Dimensioning;Electricappliances;Electricalengineering;Electricalequipment;Electricalinsulatingmaterials;Electrically-operateddevices;Electronicequipmentandcomponents;Equipment;Humidity;Insulatingmaterials;Insulationcoordination;Insulations;Integratedcircuits;Leakagepaths;Lowvoltage;Low-voltageequipment;Low-voltageinstallations;Low-voltageinsulator;Measurement;Printedcircuits;Ratings;Researchmethods;Specification(approval);Surveys;Testing;Voltage
【摘要】:ThispartofIEC60664specifiesthedimensioningofclearancesandcreepagedistancesforspacingsequaltoorlessthan2mmforprintedwiringboardandequivalentconstructions,wheretheclearanceandthecreepagedistanceareidenticalandarealongthesurfaceofsolidinsulation,suchasthepathsdescribedinexample1,example5andexample11of4.2ofPart1.ThedimensioningismoreprecisethanthatprovidedbyPart1.NOTE1Iftheprecisionprovidedbythisstandardisnotrequired,Part1maybeappliedinstead.Thisstandardcanonlybeusedasanentirety.ItisnotpermittedtoselectoneormoreclausesfromthisstandardandtousetheminplaceofthecorrespondingclausesofPart1.Whenthisstandardisappliedtothedimensioningofclearancesandcreepagedistances,allclausesshallbeusedinplaceofthecorrespondingclausesgiveninPart1.Forclearancesandcreepagedistanceslargerthan2mmandforsolidinsulationingeneral,Part1applies.NOTE2Thelimitationtodistancesequaltoorlessthan2mmappliestobasicorsupplementaryinsulation.Thetotaldistanceofareinforcedordoubleinsulationmaybelargerthan2mm.Thisstandardisbasedonthefollowingcriteriafordimensioning:-minimumclearancesindependentofthemicro-environment(seeTable2);-minimumcreepagedistancesforpollutiondegrees1,2and3toavoidfailureduetotracking(seeTable4);-minimumcreepagedistancestoavoidflashoveracrosstheinsulatingsurface(seeTable5).NOTE3Forminimumcreepagedistancestomaintainadequateinsulationresistance,seeTableF.2.NOTE4Thisstandardisnotapplicableformicro-environmentalconditionsworsethanpollutiondegree3orhumiditylevel3.Atestmethodisspecifiedforallocatingunclassifiedinsulatingmaterialtotherelevantwateradsorptiongroup.note:1"Part1"referstoIEC60664-1.
【中国标准分类号】:K31
【国际标准分类号】:29_080_30
【页数】:42P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 加工高温合金及钛合金用锥柄麻花钻 d＝6~20mm |
| 中标分类： |
航空、航天 >>
航空器与航天器制造用设备 >>
刀具 |
| 发布日期： | 1984-08-23 |
| 实施日期： | 1985-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 7页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 航空 航天 航空器与航天器制造用设备 刀具