作者:标准资料网 时间:2024-04-28 04:04:08   浏览:8007   来源:标准资料网

【英文标准名称】:Electricalsafetyinlowvoltagedistributionsystemsupto1000Va.c.and1500Vd.c.-Equipmentfortesting,measuringormonitoringofprotectivemeasures-Part7:Phasesequence
【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7部分:相序
【标准号】:IEC61557-7-2007
【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】:控制仪器;控制;电流;基准面;直流装置;旋转场方向;分布系统;(电网)电源;电的;电气工程;电气安全;电磁试验;指示;影响量;铭刻;额定电压装置;使用说明;仪器;极限(数学);低压电源;低压电器;低压设备;测量;测量设备;测量仪器;监控;标准使用;操作说明书;输出电压;相序;种植;额定电流;额定电压;参比状态;电阻测量;规范(验收);样品;电源电压;试验设备;试验;试验准备工作;应用
【英文主题词】:Controlinstruments;Controlling;Currents;Datum;Directcurrentinstallations;Directionofrotatingfield;Distributionsystems;Electricmains;Electrical;Electricalengineering;Electricalsafety;Electromagnetictests;Grids;Indications;Influencequantity;Inscription;Installationsforratedvoltages;Instructionsforuse;Instruments;Limits(mathematics);Lowvoltagemains;Low-voltageequipment;Low-voltageinstallations;Measurement;Measuring;Measuringequipment;Measuringinstruments;Monitoring;Nominaluse;Operatinginstructions;Outputvoltage;Phasesequence;Plant;Protection;Protectivemeasures;Ratedcurrent;Ratedvoltage;Referenceconditions;Resistancemeasurement;Specification(approval);Specimens;Supplyvoltages;Surveillance(approval);Testequipment;Testing;Testingset-ups;Use
【摘要】:ThispartofIEC61557specifiestherequirementsformeasuringequipmentappliedtotestingthephasesequenceinthree-phasedistributionsystems.Indicationofthephasesequencemaybemechanical,visualand/oraudible.ThispartofIEC61557doesnotapplytoancillarymeasuringequipmentforotherquantities,forexamplevoltagetesterscomprisinganadditionalphasesequenceindicator.Itdoesnotapplytomonitoringrelays.NOTEPhaselampsarenotconsideredtobevoltagetesters.
【中国标准分类号】:N22;K40
【国际标准分类号】:17_220_20;29_240_01
【页数】:17P.;A4
【正文语种】:英语