BS 5834-4-2011 公共事业用地面控制器,防护装置和地下室.杂用房规范

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【英文标准名称】:StandardPracticeforTheSelectionofMaximumTransit-RateRatiosandDepthsfortheU.S.SeriesofIsokineticSuspended-SedimentSamplers
【原文标准名称】:U.S.系列等动力悬浮-沉淀取样器的最大越迁速率比和深度的选择用标准实施规程
【标准号】:ASTMD6326-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:收集器;流量喷嘴;接收机;采样器;取样;沉淀物;沉淀分析;土壤;地表水
【英文主题词】:Collectors;Flownozzles;Receivers;Samplers;Sampling;Sediment;Sedimentationanalysis;Soils;Surfacewater
【摘要】:1.1Thispracticecoversthemaximumtransit-rateratiosanddepthsforselectedsuspended-sedimentsampler-nozzlecontainerconfigurations.1.2Thispracticeexplainsthereasonsforlimitingthetransit-rateratioanddepthsthatsuspended-sedimentsamplerscanbecorrectlyused.1.3Thispracticegivemaximumtransit-rateratiosanddepthsforselectedisokineticsuspended-sedimentsampler/nozzle/containersizeforsamplersdevelopedbytheFederalInteragencySedimentationProject.1.4Throughoutthispractice,asamplersloweringrateisassumedtobeequaltoitsraisingrate.1.5Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIunitsgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:13_080_05
【页数】:3P;A4
【正文语种】:英语


【英文标准名称】:Circuit-breakersforequipment(CBE)
【原文标准名称】:设备断路器(CBE)
【标准号】:BSEN60934-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-06-15
【实施或试行日期】:2001-06-15
【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】:附件;装置保护开关;断路器试验;断路器;电路;分类系统;间隙;定义;电器;电气工程;电气设备;电气保护设备;电驱动装置;加热;家用;铭刻;漏电路径;低压设备;手控;机械传动系统;操作;过流断路器;过载开关;性能;保护电路;安全;安全器件;自动断路器;规范(验收);开关;电器开关;开关装置;测试
【英文主题词】:Accessories;Apparatusprotectionswitches;Circuitbreakingtests;Circuit-breakers;Circuits;Classificationsystems;Clearances;Definition;Definitions;Electricappliances;Electricalengineering;Electricalequipment;Electricalprotectionequipment;Electrically-operateddevices;Heating;Householduse;Inscription;Leakagepaths;Low-voltageequipment;Manualoperation;Mechanicaltransmissionsystems;Operation;Overcurrentcircuit-breakers;Overloadswitches;Properties;Protectivecircuits;Safety;Securitydevices;Self-actingcircuit-breakers;Specification(approval);Switches;Switchesforappliances;Switchgear;Testing
【摘要】:ThisInternationalStandardisapplicabletomechanicalswitchingdevicesdesignedas"circuit-breakersforequipment"(CBE)intendedtoprovideprotectiontocircuitswithinelectricalequipment.NOTE1Theterm"equipment"includesappliances.NOTE2Theprotectedcomponentsareusuallymotors,transformers,internalwiring,etc.CBEsmayhavearatedshort-circuitcapacityhigherthanthatrequiredforoverloadconditionsandmay,inaddition,haveaconditionalshort-circuitcurrentratinginassociationwithaspecifiedshort-circuitprotectivedevice(SCPD).Thisstandardisalsoapplicabletoswitchingdevicesforprotectionofelectricalequipmentincaseofundervoltageand/orovervoltage.Itisapplicablefora.c.notexceeding440Vand/ord.c.notexceeding250Vandaratedcurrentnotexceeding125A.ThisstandardcoversCBEswhichareintendedfor-automaticinterruptionandnon-automaticorautomaticresetting;-automaticinterruptionandnon-automaticorautomaticresettingandmanualswitchingoperation.ItalsocoversCBE-switches,inwhichthemeansforautomaticinterruptionareinhibitedornotpresentbyconstruction(see3.1.3).NOTE3Thisstandardmaybeusedasaguidingdocumentforvoltagesupto630Va.c.NOTE4RequirementsforCBEssuitableforisolationareunderconsideration.Thisstandardcontainsalltherequirementsnecessarytoensurecompliancewiththeoperationalcharacteristicsrequiredforthesedevicesbytypetests.Italsocontainsthedetailsrelativetotestrequirementsandmethodsoftestingnecessarytoensurereproducibilityoftestresults.
【中国标准分类号】:K31
【国际标准分类号】:29_120_40
【页数】:122P.;A4
【正文语种】:英语