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BS EN 61557-9-2009 不超过1000V交流和1500V直流的低压分布系统的电气安全性.防护措施测试,测量和监控设备.第9部分:IT系统中绝缘故障的定位设备

作者:标准资料网 时间:2024-05-16 19:34:46  浏览:8351   来源:标准资料网
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【英文标准名称】:Electricalsafetyinlowvoltagedistributionsystemsupto1000Va.c.and1500Vd.c..Equipmentfortesting,measuringormonitoringofprotectivemeasures-Part9:EquipmentforinsulationfaultlocationinITsystems
【原文标准名称】:不超过1000V交流和1500V直流的低压分布系统的电气安全性.防护措施测试,测量和监控设备.第9部分:IT系统中绝缘故障的定位设备
【标准号】:BSEN61557-9-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-04-30
【实施或试行日期】:2009-04-30
【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】:交流电流;交流电网络;通信网;控制仪器;控制;电流;定义;直流电流;直流装置;直流网络;(电网)电源;电气工程;电气安全性;电磁试验;故障探测;信息技术;作标记;额定电压装置;绝缘监视装置;绝缘电阻;绝缘故障;绝缘米;绝缘件;IT系统;低压电源;低压电器;低压设备;测量;测量设备;测量仪器;监控;监视装置;标准使用;操作说明书;防电击;保护措施;额定电流;额定电压;基准状态;规范(验收);样品;电源电压;开关电路;电信;试验设备;试验;试验准备工作;故障检修员
【英文主题词】:Alternatingcurrent;Alternatingcurrentnetworks;Communicationnetworks;Controlinstruments;Controlling;Currents;Definitions;Directcurrent;Directcurrentinstallations;Directcurrentnetworks;Electricmains;Electricalengineering;Electricalsafety;Electromagnetictests;Faultfinding;Informationtechnology;Inscription;Installationsforratedvoltages;Insulatingmonitoringdevices;Insulatingresistance;Insulationfault;Insulationmeters;Insulations;ITsystems;Lowvoltagemains;Low-voltageequipment;Low-voltageinstallations;Measuring;Measuringequipment;Measuringinstruments;Monitoring;Monitoringdevice;Nominaluse;Operatinginstructions;Protectionagainstelectricshocks;Protectivemeasures;Ratedcurrent;Ratedvoltage;Referenceconditions;Specification(approval);Specimens;Supplyvoltages;Switchingcircuits;Telecommunications;Testequipment;Testing;Testingset-ups;Troubleshooters
【摘要】:ThispartofIEC61557specifiestherequirementsforinsulationfaultlocationsystemswhichlocalizeinsulationfaultsinanypartofthesysteminunearthedITa.c.systemsandunearthedITa.c.systemswithgalvanicallyconnectedd.c.circuitshavingnominalvoltagesupto1000Va.c.,aswellasinunearthedITd.c.systemswithvoltagesupto1500Vd.c.,independentofthemeasuringprinciple.NOTE1ITsystemsaredescribedinIEC60364-4-41amongstotherliterature.Additionaldataforaselectionofdevicesinotherstandardsshouldbenoted.NOTE2Furtherinformationoninsulationfaultlocationcanbefoundinthefollowingstandards:IEC60364-4-41:2005,411.6,andIEC60364-5-53:2001,531.3.
【中国标准分类号】:K09
【国际标准分类号】:17_220_20;25_040_40;29_080_01
【页数】:28P.;A4
【正文语种】:英语


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【英文标准名称】:Roadandairfieldsurfacecharacteristics-Testmethods-Part6:Measurementoftransverseandlongitudinalprofilesintheevennessandmegatexturewavelengthranges;EnglishversionofDINEN13036-6:2008-06
【原文标准名称】:道路和机场表面特性.试验方法.第6部分:在平坦和巨大表面(megatexture)波长范围内测量横向和纵向轮廓
【标准号】:DINEN13036-6-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-06
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:机场;车行道(公路);通道和空间体系(建筑物);建筑;施工材料;定义;精整;平整度;层;纵向轮廓;测量;测量技术;路面(道路);轮廓;剖面图;特性;道路建筑;道路上层结构;道路;表面检验;表层;表面性质;测试;表面;波长
【英文主题词】:Airfields;Carriageways;Circulationandspacesystems(buildings);Construction;Constructionmaterials;Definition;Definitions;Finishes;Flatness(surface);Layers;Longitudinalprofiles;Measurement;Measuringtechniques;Pavements(roads);Profile;Properties;Roadconstruction;Roadsuperstructure;Roads;Surfaceinspections;Surfacelayers;Surfaceproperties;Surfaces;Testing;Texture;Wavelengths
【摘要】:ThisEuropeanStandardestablishestheminimumrequirementsandcriteriaforclassificationandmeasurementprocedureswithprofilingdevices,designedforthemeasurementoftransverseand/orlongitudinalprofilesintheunevennessandmegatexturewavelengthranges.Recommendationsforverificationandcalibrationareincluded.Profilingdevicesareequipmenttomeasureevennessofpavementsinthelongitudinaland/orinthetransversedirectionofthepavement.Highwayagencies,airfieldauthorities,equipmentmanufacturers,andotherorganizationscanusethisstandardtodefinethemeasuringcapabilitiesofsurveyequipmentthatcollectsthedatanecessarytocharacterizesurfaceconditions.Evennessmeasurementscanbeperformedbymeansofstaticordynamicdevices.Thestandardincludeshigh-speed,Iow-speed,andstationaryequipment.NOTEAdynamicmeasurementisameasurementexecutedoutofadevicerunninginthenormaltrafficflowattheacceptedminimumspeedorathigherspeed(high-speed).
【中国标准分类号】:P66;P68
【国际标准分类号】:93_080_10;93_120
【页数】:18P.;A4
【正文语种】:英语


Product Code:SAE AMS7852
Title:Columbium (Niobium) Alloy Sheet, Strip, and Plate, 10Hf - 1.0Ti
Issuing Committee:Ams G Titanium And Refractory Metals Committee
Scope:This specification covers a columbium alloy in the form of sheet, strip, and plate.

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