JB/T 5344.1-1991 矿热炉变压器 总则
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来源:标准资料网
基本信息
标准名称: | 矿热炉变压器 总则 |
中标分类: |
电工 >>
输变电设备 >>
变压器 |
替代情况: | 被JB/T 5344.1-2004代替 |
发布日期: | 1991-06-28 |
实施日期: | 1992-07-01 |
首发日期: | 1900-01-01 |
作废日期: | 2004-08-01 |
出版日期: | 1900-01-01 |
页数: | 12页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 电工 输变电设备 变压器
【英文标准名称】:Electromagneticcompatibility(EMC).Environment.Compatibilitylevelsforlow-frequencyconducteddisturbancesandsignallinginpubliclow-voltagepowersupplysystems
【原文标准名称】:电磁兼容性(EMC).环境.公用低压供电系统中低频导电干扰和信号传输的兼容等级
【标准号】:BSEN61000-2-2-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-09-27
【实施或试行日期】:2002-09-27
【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】:兼容水平;兼容性;定义;电网;电力系统;电气工程;电故障;电磁的;电磁兼容性;电磁场;电磁学;EMC;供能系统(建筑物);环境条件;频率范围;影响量;干扰抑制;干扰;极限(数学);低频;低电压;低频工程;磁场效应;磁电效应;测量;信号传输;电压波动
【英文主题词】:Compatibilitalevel;Compatibility;Definitions;Electricpowernetworks;Electricpowersystems;Electricalengineering;Electricalfaults;Electromagnetic;Electromagneticcompatibility;Electromagneticfields;Electromagnetism;EMC;Energysupplysystems(buildings);Environmentalconditions;Frequencyranges;Influencequantities;Interferencerejections;Interferences;Limits(mathematics);Lowfrequencies;Lowvoltage;Low-frequencyengineering;Magneticfieldeffects;Magnetoelectriceffects;Measurement;Signaltransmission;Voltagefluctuations
【摘要】:Thisstandardisconcernedwithconducteddisturbancesinthefrequencyrangefrom0kHzto9kHz,withanextensionupto148,5kHzspecificallyformainssignallingsystems.Itgivescompatibilitylevelsforpubliclowvoltagea.c.distributionsystemshavinganominalvoltageupto420V,single-phaseor690V,three-phaseandanominalfrequencyof50Hzor60Hz.Thecompatibilitylevelsspecifiedinthisstandardapplyatthepointofcommoncoupling.Atthepowerinputterminalsofequipmentreceivingitssupplyfromtheabovesystemstheseveritylevelsofthedisturbancescan,forthemostpart,betakentobethesameasthelevelsatthepointofcommoncoupling.Insomesituationsthisisnotso,particularlyinthecaseofalonglinededicatedtothesupplyofaparticularinstallation,orinthecaseofadisturbancegeneratedoramplifiedwithintheinstallationofwhichtheequipmentformsapart.Compatibilitylevelsarespecifiedforelectromagneticdisturbancesofthetypeswhichcanbeexpectedinpubliclowvoltagepowersupplysystems,forguidancein:?thelimitstobesetfordisturbanceemissionintopublicpowersupplysystems(includingtheplanninglevelsdefinedin3.1.5).?theimmunitylimitstobesetbyproductcommitteesandothersfortheequipmentexposedtotheconducteddisturbancespresentinpublicpowersupplysystems.Thedisturbancephenomenaconsideredare:?voltagefluctuationsandflicker;?harmonicsuptoandincludingorder50;?inter-harmonicsuptothe50thharmonic;?voltagedistortionsathigherfrequencies(abovethe50thharmonic);?voltagedipsandshortsupplyinterruptions;?voltageunbalance;?transientovervoltages;?powerfrequencyvariation;?d.c.components;?mainssignalling.MostofthesephenomenaaredescribedinIEC61000-2-1.Incaseswhereitisnotyetpossibletoestablishcompatibilitylevels,someinformationisprovided.
【中国标准分类号】:L06
【国际标准分类号】:33_100_20
【页数】:34P;A4
【正文语种】:英语
【英文标准名称】:Determinationofthemassperunitareaoftheusesurfaceofneedledfloorcoverings;GermanversionEN984:1995
【原文标准名称】:针刺铺地织物使用表面单位面积质量的测定
【标准号】:DINEN984-1995
【标准状态】:作废
【国别】:德国
【发布日期】:1995-06
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:针刺毡垫;磨损层;试验设备;测定;铺地瓷砖;数学计算;重量测量;铺地织物;材料试验;状态调节;地板覆盖物;试验
【英文主题词】:weightmeasurement;materialstesting;determination;floortiles;textilefloorcoverings;conditioning;needledfelts;floorcoverings;mathematicalcalculations;testing;testequipment;wearlayers
【摘要】:
【中国标准分类号】:W04
【国际标准分类号】:59_080_60
【页数】:3P;A4
【正文语种】:德语