【英文标准名称】:Electricalsafetyinlowvoltagedistributionsystemsupto1000Va.c.and1500Vd.c.-Equipmentfortesting,measuringormonitoringofprotectivemeasures-Part8:InsulationmonitoringdevicesforITsystems
【原文标准名称】:1000V交流和小于1500V直流低压配电系统中的电气安全性.防护措施的试验、测量和监控设备.第8部分:IT系统绝缘监测装置
【标准号】:IEC61557-8-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-01
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC85
【标准类型】:()
【标准水平】:()
【中文主题词】:交流电网络;通信网;定义;直流装置;直流电网;电气工程;电气安全;电磁试验;情报系统;信息技术;铭刻;额定电压装置;绝缘监视装置;绝缘电阻;绝缘;低压电源;低压设备;测量设备;医疗设备;医疗技术学;操作说明书;保护措施;常规检验;规范(验收);监督(认可);电信;试验
【英文主题词】:Alternatingcurrentnetworks;Communicationnetworks;Controlinstruments;Definitions;Directcurrentinstallations;Directcurrentnetworks;Electricalengineering;Electricalsafety;Electromagnetictests;Grids;Informationsystems;Informationtechnology;Inscription;Installationsforratedvoltages;Instruments;Insulatingmonitoringdevices;Insulatingresistance;Insulations;ITsystems;Lowvoltagemains;Low-voltageinstallations;Measurement;Measuringequipment;Measuringinstruments;Medicalequipment;Medicaltechnology;Operatinginstructions;Protection;Protectivemeasures;Routinechecktests;Specification(approval);Surveillance(approval);Telecommunications;Testequipment;Testing
【摘要】:ThispartofIEC61557specifiestherequirementsforinsulationmonitoringdevices(IMD)whichpermanentlymonitortheinsulationresistancetoearthofunearthedITa.c.systems,forITa.c.systemswithgalvanicallyconnectedd.c.circuitshavingnominalvoltagesupto1000Va.c.,aswellasofunearthedITd.c.systemswithvoltagesupto1500Vd.c.independentfromthemethodofmeasuring.NOTE1"ITsystemsaredescribedinIEC60364-4-41amongstotherliterature.Additionaldataforaselectionofdevicesinotherstandardsshouldbenoted.NOTE2"VariousstandardsspecifytheuseofinsulationmonitoringdevicesinITsystems.Insuchcases,theobjectiveoftheequipmentistosignaladropininsulationresistancebelowaminimumlimit.NOTE3--InsulationmonitoringdevicesaccordingtothispartofIEC61557mayalsobeusedforde-energizedelectricalsystems.
【中国标准分类号】:N22;K40
【国际标准分类号】:17_220_20;29_240_01
【页数】:41P.;A4
【正文语种】:英语


【英文标准名称】:Safetyofmachinery-Permanentmeansofaccesstomachinery-Part1:Choiceoffixedmeansofaccessbetweentwolevels(ISO14122-1:2001);GermanversionENISO14122-1:2001
【原文标准名称】:机器安全性.接近机器的永久性设施.第1部分:两种水平永久性设施的选择
【标准号】:ENISO14122-1-2001
【标准状态】:现行
【国别】:
【发布日期】:2002-01
【实施或试行日期】:2002-01-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:职业安全;固定的;机器;安全;设备安全;进路;机械装置;工业;安全工程;通路;选择;选择;种植;刨刀;机械工程;可及性;元部件;检查孔;电气安全;工作场所安全;规范(验收);工业设备;工业设施;安全要求;工业机械;定义
【英文主题词】:Access;Accessopenings;Accessroads;Accessibility;Components;Definition;Definitions;Elections;Electricalsafety;Equipmentsafety;Industrialfacilities;Industrialmachines;Industrialplant;Industries;Machineunits;Machines;Mechanicalengineering;Occupationalsafety;Planes;Plant;Safety;Safetyengineering;Safetyrequirements;Selection;Specification(approval);Stationary;Workplacesafety
【摘要】:
【中国标准分类号】:J04
【国际标准分类号】:13_110
【页数】:13P.;A4
【正文语种】:英语