【英文标准名称】:Electricalsafetyinlowvoltagedistributionsystemsupto1000Va.c.and1500Vd.c.-Equipmentfortesting,measuringormonitoringofprotectivemeasures-Part3:Loopimpedance
【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3部分:回路阻抗
【标准号】:IEC61557-3-2007
【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】:定义;偏差;直流装置;漂移;接地导线;电气工程;电气安全;电磁试验;阻抗测量;铭刻;额定电压装置;回路阻抗;低压电源;低压设备;测量设备;操作说明书;外导线;电阻测量;规范(验收);试验;局部导电
【英文主题词】:Controlinstruments;Definitions;Deviations;Directcurrentinstallations;Drift;Earthconductors;Electricalengineering;Electricalsafety;Electromagnetictests;Grids;Impedancemeasurement;Inscription;Installationsforratedvoltages;Instruments;Loopresistance;Lowvoltagemains;Low-voltageinstallations;Measurement;Measuringequipment;Measuringinstruments;Monitoring;Operatinginstructions;Outerconductors;Protection;Protectivemeasures;Resistancemeasurement;Resistors;Specification(approval);Surveillance(approval);Testequipment;Testing;Zeroconductors
【摘要】:ThispartofIEC61557specifiestherequirementsapplicabletoequipmentformeasuringtheloopimpedancebetweenaphaseconductorandtheprotectiveconductororbetweenaphaseconductorandneutralorbetweentwophaseconductorsbyusingthevoltagedropwhenthecircuitundertestisloaded.
【中国标准分类号】:N22;K40
【国际标准分类号】:17_220_20;29_240_01
【页数】:19P.;A4
【正文语种】:英语