标准名称：	短莫氏锥体套规(1a～3a号)
中标分类：	航空、航天 >> 航空器与航天器制造用设备 >> 量具
ICS分类：	机械制造 >> 机床装置 >> 分度和刀具/工件夹持装置
发布日期：	1980-10-01
实施日期：	1980-10-01
首发日期：
作废日期：
出版日期：
页数：	1页

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【英文标准名称】:High-voltageswitchgearandcontrolgear—Part104:Alternatingcurrentswitchesforratedvoltagesof52kvandabove
【原文标准名称】:高压开关设备和控制设备.第104部分:额定电压52kV及以上的交流开关
【标准号】:BSEN62271-104-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-09-30
【实施或试行日期】:2009-09-30
【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】:空气断路器;空气开关;交流电流;交流开关;断路电流;电流额定值;定义(术语);分配网;电气工程;高电压;高压电器;高压开关设备;特性;额定电压;工作电压;规范(验收);启动电流;断路开关;开关;测试;三极;传输;电压
【英文主题词】:Air-breakdisconnectors;Air-breakswitches;Alternatingcurrent;Alternating-currentswitches;Breakingcurrent;Currentratings;Definitions;Distributionnetworks;Electricalengineering;Highvoltage;High-voltageequipment;High-voltageswitchgears;Properties;Ratedvoltage;Ratedvoltages;Specification(approval);Startingcurrent;Switch-disconnectors;Switches;Testing;Three-pole;Transmission;Voltage
【摘要】:ThispartofIEC62271isapplicabletothree-polealternatingcurrentswitchesforratedvoltages52kVandabove,havingmakingandbreakingcurrentratings,forindoorandoutdoorinstallations,andforratedfrequenciesuptoandincluding60Hz.Thisstandardisalsoapplicabletotheoperatingdevicesoftheseswitchesandtotheirauxiliaryequipment.NOTE1Switchesforgasinsulatedswitchgeararecoveredbythisstandard.NOTE2Switcheshavingadisconnectingfunctionandcalledswitch-disconnectorsarealsocoveredbyIEC62271-102.NOTE3Earthingswitchesarenotcoveredbythisstandard.EarthingswitchesforminganintegralpartofaswitcharecoveredbyIEC62271-102.Themainobjectofthisstandardistoestablishrequirementsforswitchesusedintransmissionanddistributionsystems.General-purposeswitchesforthisapplicationaredesignedtocomplywiththefollowingserviceapplications:–carryingratednormalcurrentcontinuously;–carryingshort-circuitcurrentsforaspecifiedtime;–switchingofmainlyactiveloads;–switchingofno-loadtransformers;–switchingofthechargingcurrentofunloadedcables,overheadlinesorbusbars;–switchingofclosed-loopcircuits;–makingshort-circuitcurrents.Afurtherobjectofthisstandardistoestablishrequirementsforlimited-purposeandspecialpurposeswitchesusedintransmissionanddistributionsystems.Limited-purposeswitchesshallcomplywithoneormoreoftheserviceapplicationsindicatedabove.Special-purposeswitchesmaycomplywithoneormoreoftheserviceapplicationsindicatedaboveand,inaddition,shallbesuitableforoneormoreofthefollowingapplications:–switchingsinglecapacitorbanks;–switchingback-to-backcapacitorbanks;–switchingshuntreactorsincludingsecondaryortertiaryreactorsswitchedfromtheprimarysideofthetransformer;–applicationsrequiringanincreasednumberofoperatingcycles;–switchingunderearthfaultconditionsinnon-effectivelyearthedneutralsystems.
【中国标准分类号】:K43
【国际标准分类号】:29_130_10
【页数】:52P.;A4
【正文语种】:英语