BS EN 60664-4-2006 低压系统内设备的绝缘配合.高频电压应力的考虑

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【英文标准名称】:Insulationcoordinationforequipmentwithinlow-voltagesystems-Considerationofhigh-frequencyvoltagestress
【原文标准名称】:低压系统内设备的绝缘配合.高频电压应力的考虑
【标准号】:BSEN60664-4-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-04-28
【实施或试行日期】:2006-04-28
【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】:
【英文主题词】:
【摘要】:ThispartofIEC60664dealswithbasic,supplementaryandreinforcedinsulationsubjectedtohigh-frequencyvoltagestresswithinlow-voltageequipment.Thedimensioningvaluesdirectlyapplyforbasicinsulation;forreinforcedinsulationadditionalrequirementsapplyaccordingtoPart1.Itisapplicableforthedimensioningofclearances,creepagedistancesandsolidinsulationstressedbyanytypeofperiodicvoltageswithafundamentalfrequencyabove30kHzandupto10MHz.ThispartofIEC60664canonlybeusedtogetherwithIEC60664-1orwithIEC60664-5(inthisstandardcalledPart1orPart5).ByusingPart1orPart5togetherwiththispartthefrequencylimitofPart1orPart5isextendedtofrequencieshigherthan30kHz.ThispartalsoappliestoPart3forfrequenciesgreaterthan30kHzandprotectionoftype1.Fortype2protectionthisquestionisunderconsideration.NOTE1Dimensioningvaluesforfrequenciesabove10MHzareunderconsideration.NOTE2Thisstandarddoesnotconsiderthehigh-frequencyemissiontothemains.Innormaluseofequipment,itisassumedthattheinterferenceofhigh-frequencyvoltagesemittedtothemainsisnegligiblewithrespecttoinsulationstress.Thereforeitisnotnecessarytotakeitintoaccount.Itappliestoequipmentforuseupto2000mabovesealevelhavingaratedvoltageuptoa.c.1000V.Itspecifiestherequirementsforclearances,creepagedistancesandsolidinsulationforequipmentbasedupontheirperformancecriteria.ltincludesmethodsofelectrictestingwithrespecttoinsulationcoordination.Theminimumclearancesspecifiedinthispartdonotapplywhereionizedgasesoccur.Specialrequirementsforsuchsituationsmaybespecifiedatthediscretionoftherelevanttechnicalcommittee.Thispartdoesnotdealwithdistances?throughliquidinsulation,?throughgasesotherthanair,?throughcompressedair.NOTE3Highervoltagesmayexistininternalcircuitsoftheequipment.NOTE4Requirementsforaltitudesexceeding2000mcanbederivedfromTableA.2ofAnnexAofPart1.Theobjectofthisstandardistoguidetechnicalcommitteesresponsiblefordifferentequipmentinordertorationalisetheirrequirementssothatinsulationcoordinationisachievedwhenspecifyingclearancesinair,creepagedistancesandsolidinsulationforequipment.
【中国标准分类号】:K30
【国际标准分类号】:29_080_30
【页数】:72P;A4
【正文语种】:英语


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【英文标准名称】:PrecastReinforcedConcreteBoxSectionsforCulverts,StormDrainsandSewerswithLessThan0.6mofCoverSubjectedtoHighwayLoadings(Metric)
【原文标准名称】:承受公路负载的复盖土少于0.6米的涵管、雨水管及污水管用预制钢筋混凝土箱形部件规格
【标准号】:ASTMC850M-1998
【标准状态】:作废
【国别】:美国
【发布日期】:1998
【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】:施工材料;米制的;负荷;箱形部件;下水道;建筑;增强的;涵洞;混凝土;预制混凝土
【英文主题词】:sewers;construction;loading;culverts;boxsection;constructionmaterials;concretes;precastconcrete;reinforced;metric
【摘要】:
【中国标准分类号】:Q14
【国际标准分类号】:93_080_30
【页数】:
【正文语种】:英语


【英文标准名称】:Glasscontainers-Vacuumlugfinishes-38medium
【原文标准名称】:玻璃容器.真空凸缘瓶口.中型38
【标准号】:BSENISO9100-4-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-08-31
【实施或试行日期】:2006-08-31
【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】:系耳;密闭装置;闭塞物;容器;直径;尺寸;精整;玻璃容器;公称尺寸;孔口;包装件;包装;保藏瓮;压紧面;插孔;螺纹;真空的;系耳真空密闭;广口玻璃容器
【英文主题词】:Attachinglugs;Closingdevice;Closures;Containers;Diameter;Dimensions;Finishes;Glasscontainers;Nominalsizes;Orifices;Packages;Packaging;Preservingjars;Receptacles;Sealingsurfaces;Threadturn;Threads;Vacuum;Vacuumlug-typeclosures;Wide-mouthedglasscontainer
【摘要】:ISO9100-4:2005specifiesthedimensionsofavacuumlugfinishwithanominalsizeof38mmmediumforwide-mouthglasscontainers.
【中国标准分类号】:A82
【国际标准分类号】:55_100
【页数】:14P.;A4
【正文语种】:英语