【英文标准名称】:Surgearresters.Metal-oxidesurgearresterswithexternalseriesgap(EGLA)foroverheadtransmissionanddistributionlinesofa.c.systemsabove1kV
【原文标准名称】:避雷器.用于1kV以上交流系统架空输配电线路的设有外间隙(EGLA)的金属氧化物避雷器
【标准号】:BSEN60099-8-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-06-30
【实施或试行日期】:2011-06-30
【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】:
【英文主题词】:Acceptanceinspection;Alternatingcurrentnetworks;Alternatingvoltages;Classification;Definitions;Electricalengineering;Electricalprotectionequipment;Electricalresistance;Installations;Installationsforratedvoltages;Marking;Measurement;Measuringtechniques;Metaloxidearresters;Non-linear;Operatingconditions;Overload(electric);Overloadtests;Overvoltage;Overvoltageprotection;Parallelconnection;Qualificationtests;Ratedvoltages;Ratings;Resistance;Resistancetoearth;Resistors;Routinechecktests;Seriesconnection;Sparkgaps;Surgearresters;Testing
【摘要】:ThispartofIEC60099coversmetal-oxidesurgearresterswithexternalseriesgap(externallygappedlinearresters(EGLA)thatareappliedonoverheadtransmissionanddistributionlines,onlytoprotectinsulatorassembliesfromlightning-causedflashovers.Thisstandarddefinessurgearresterstoprotecttheinsulatorassemblyfromlightning-causedovervoltagesonly.Therefore,andsincethemetal-oxideresistorsarenotpermanentlyconnectedtotheline,thefollowingitemsarenotconsideredforthisstandard:?switchingimpulsesparkovervoltage;?residualvoltageatsteepcurrentandswitchingcurrentimpulse;?thermalstability;?long-durationcurrentimpulsewithstandduty;?power-frequencyvoltageversustimecharacteristicsofanarrester;?disconnectortest;?agingdutiesbypower-frequencyvoltage.Consideringtheparticulardesignconceptandthespecialapplicationonoverheadtransmissionanddistributionlines,someuniquerequirementsandtestsareintroduced,suchastheverificationtestforcoordinationbetweeninsulatorwithstandandEGLAprotectivelevel,thefollowcurrentinterruptingtest,mechanicalloadtests,etc.DesignswiththeEGLA'sexternalseriesgapinstalledinparalleltoaninsulatorarenotcoveredbythisstandard.
【中国标准分类号】:K49
【国际标准分类号】:29_120_50;29_240_10
【页数】:66P.;A4
【正文语种】:英语


【英文标准名称】:Pipesandfittingsoflongitudinallyweldedhot-dipgalvanizedsteeltubewithspigotandsocketforwastewatersystems-Dimensions
【原文标准名称】:废水系统用带管承座的径向焊接热浸镀锌钢管的管道和配件.尺寸
【标准号】:BSEN1123-2-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-02-28
【实施或试行日期】:2007-02-28
【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】:弯管联接器;铸铁管;连接器;防腐蚀;尺寸;配件;衬垫;热镀锌的;极限偏差;纵缝焊接;纵向焊缝;作标记;总长;管道;管;塑料管;质量保证;异径接头;密封件;污水;污水工程;下水道;单分支;管套;座孔;钢管;钢;陶管;公差(测量);存水湾(排水);水常规;焊接
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:93_030
【页数】:64P;A4
【正文语种】:英语