DB/T 40.1-2010 地震台网设计技术要求 地壳形变观测网 第1部分：固定站形变观测网
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基本信息
| 标准名称： | 地震台网设计技术要求 地壳形变观测网 第1部分：固定站形变观测网 |
| 发布部门： | 中国地震局 |
| 发布日期： | 2010-03-12 |
| 实施日期： | 2010-06-01 |
| 首发日期： | |
| 作废日期： | |
| 出版社： | 地震出版社 |
| 出版日期： | 2010-06-01 |
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： 医药 卫生 劳动保护 卫生 环境卫生 环保 保健与安全
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【英文标准名称】:Short-circuitcurrentsind.c.auxiliaryinstallationsinpowerplantsandsubstations-Part2:Calculationofeffects
【原文标准名称】:电厂与变电站直流辅助设施中的短路电流第2部分:效应计算
【标准号】:IEC61660-2-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-06
【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/TC73
【标准类型】:()
【标准水平】:()
【中文主题词】:短路电流;直流装置;变电所;开关设备;发电站;计算方法;定义;电气工程;数学计算
【英文主题词】:Currents;Definitions;Directcurrent;Directcurrentinstallations;Effects;Electricpowerstations;Electricalengineering;Electromagnetic;Electromagnetism;Mathematicalcalculations;Methodsofcalculation;Plant;Shortcircuits;Short-circuitcurrents;Substation;Switchgears;Symbols;Thermalproperties;Thermics
【摘要】:ThispartofIEC61660describesamethodforcalculationofthemechanicalandthermaleffectsonrigidconductorscausedbyshort-circuitcurrentsind.c.auxiliaryinstallationsinpowerplantsandsubstations.Suchsystemsmaycontainthefollowingitemsofequipmentwhichactassources,aswellascontributingtotheshort-circuitcurrents:-rectifiersinthree-phasea.c.bridgeconnectionfor50Hz;-stationarylead-acidbatteries;-smoothingcapacitors;-d.c.motorswithindependentexcitation.Thisstandardprovidesamethodwhichhaswideapplication,andwhichgivesresultsofsufficientaccuracy.Thecalculationmethodisbasedonsubstitutefunctions,whichcauseapproximately1hesamemaximumstressesintheconductorsandthesameforcesonthesupportsastheactualelectromagneticforce.Thestandardizedcalculationproceduresofclauses2and3areapplicablefortheelectromagneticeffectonrigidconductorsandthethermaleffectonbareconductorsandelectricalequipment,respectively.Forcablesandinsulatedconductors,however,referenceismadetoIEC60949andIEC60986,forexample.Onlyd.c.auxiliaryinstallationsinpowerplantsandsubstationsaredealtwithinthisstandard.Inparticular,thefollowingpointsshouldbenoted:-Thecalculationofshort-circuitcurrentsshouldbebasedonIEC61660-1.-Short-circuitdurationusedinthisstandarddependsontheprotectionconcept,andshouldbeconsideredinthatsense.-Thesestandardizedproceduresareadjustedtopracticalrequirements,andcontainsimplificationswithsafetymargins.Testingormoredetailedmethodsofcalculationorbothmaybeused.-Inclause2ofthisstandard,onlythestressescausedbyshort-circuitcurrentsarecalculated.Furthermore,otherstressescanexist,suchasthosecausedbydead-load,operatingforces,orearthquakes.Thecombinationoftheseloadswiththeshort-circuitloadingshouldbepartofanagreementand/orgivenbystandards,forexampleerectioncodes.
【中国标准分类号】:F20
【国际标准分类号】:29_240_01
【页数】:75P.;A4
【正文语种】:英语
【英文标准名称】:Helical-scandigitalvideocassetterecordingformatusing12,65mmmagnetictapeandincorporatingMPEG-4compression-TypeD-16format
【原文标准名称】:使用12.65mm磁带和联合MPEG-4压缩的螺旋扫描数字视频盒式记录格式.D-16型格式
【标准号】:BSEN62141-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-07-31
【实施或试行日期】:2006-07-31
【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】:音频的;盒式磁带;周期;数据块;数据压缩;数据布置;定义;测定;数字的;数字记录法;数字录制技术;尺寸;娱乐电子学;(数据)格式;格式编排;螺旋扫描记录(法);家用;接口;接口(数据处理);长度;纵向轨迹;磁记录;磁带记录;磁带;机械性能;MPEG;参数;性能;记录;记录系统;串行;规范(验收);家用盒式录象机制式;盒式录象带;视频记录;录像带
【英文主题词】:Audio;Cassettes;Cassettes(magnetictapes);Cycletime;Datablocks;Datacompression;Datalayout;Definition;Definitions;Determinations;Digital;Digitalrecordingmethods;Digitalrecordingtechnique;Dimensions;Entertainmentelectronics;Formats;Formatting;Helicalscanrecording;Homeuse;Householduse;Interfaces;Interfaces(dataprocessing);Length;Longitudinaltracks;Magneticrecording;Magnetictaperecordings;Magnetictapes;Mechanicalproperties;MPEG;Parameters;Properties;Recording;Recordingsystems;Serial;Specification(approval);VHS;Videocassettes;Videorecording;Videotapes
【摘要】:ThisInternationalStandardspecifiesthetrackcontent,format,andrecordingmethodofthedatablockscontainingcompressedvideo,AES3audiodata,andassociateddatawhichformthehelicalrecordson12,65mmtapeincassettes.Thisstandardsupportsrecordingofsourcepictureformatsusing1920×1080pixelswiththe4:4:4and4:2:2samplingstructurespecifiedinSMPTE274Mattheframerateof23,98Hz,24Hz,25Hzand29,97Hz,andusing1280×720pixelswiththe4:2:2samplingstructurespecifiedinSMPTE296Mattheframeratesof50Hzand59,94Hz(seenote).Thisstandardalsosupportsrecordingof12channelsofAES3audiodataand3linesofuncompressedblankingintervaldata.ThisstandardincludespacketizingandshufflingoperationssupportingpicturecompressionusingtheDCTandDPCMencodingmethodsdefinedbyISO/IEC14496-2(MPEG-4simplestudioprofile).NOTEEarlyimplementationsofthisstandardmightnotcomplytotheframerateof50HzasspecifiedinSMPTE296M.
【中国标准分类号】:M71
【国际标准分类号】:33_160_40
【页数】:104P;A4
【正文语种】:英语
【原文标准名称】:电厂与变电站直流辅助设施中的短路电流第2部分:效应计算
【标准号】:IEC61660-2-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-06
【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/TC73
【标准类型】:()
【标准水平】:()
【中文主题词】:短路电流;直流装置;变电所;开关设备;发电站;计算方法;定义;电气工程;数学计算
【英文主题词】:Currents;Definitions;Directcurrent;Directcurrentinstallations;Effects;Electricpowerstations;Electricalengineering;Electromagnetic;Electromagnetism;Mathematicalcalculations;Methodsofcalculation;Plant;Shortcircuits;Short-circuitcurrents;Substation;Switchgears;Symbols;Thermalproperties;Thermics
【摘要】:ThispartofIEC61660describesamethodforcalculationofthemechanicalandthermaleffectsonrigidconductorscausedbyshort-circuitcurrentsind.c.auxiliaryinstallationsinpowerplantsandsubstations.Suchsystemsmaycontainthefollowingitemsofequipmentwhichactassources,aswellascontributingtotheshort-circuitcurrents:-rectifiersinthree-phasea.c.bridgeconnectionfor50Hz;-stationarylead-acidbatteries;-smoothingcapacitors;-d.c.motorswithindependentexcitation.Thisstandardprovidesamethodwhichhaswideapplication,andwhichgivesresultsofsufficientaccuracy.Thecalculationmethodisbasedonsubstitutefunctions,whichcauseapproximately1hesamemaximumstressesintheconductorsandthesameforcesonthesupportsastheactualelectromagneticforce.Thestandardizedcalculationproceduresofclauses2and3areapplicablefortheelectromagneticeffectonrigidconductorsandthethermaleffectonbareconductorsandelectricalequipment,respectively.Forcablesandinsulatedconductors,however,referenceismadetoIEC60949andIEC60986,forexample.Onlyd.c.auxiliaryinstallationsinpowerplantsandsubstationsaredealtwithinthisstandard.Inparticular,thefollowingpointsshouldbenoted:-Thecalculationofshort-circuitcurrentsshouldbebasedonIEC61660-1.-Short-circuitdurationusedinthisstandarddependsontheprotectionconcept,andshouldbeconsideredinthatsense.-Thesestandardizedproceduresareadjustedtopracticalrequirements,andcontainsimplificationswithsafetymargins.Testingormoredetailedmethodsofcalculationorbothmaybeused.-Inclause2ofthisstandard,onlythestressescausedbyshort-circuitcurrentsarecalculated.Furthermore,otherstressescanexist,suchasthosecausedbydead-load,operatingforces,orearthquakes.Thecombinationoftheseloadswiththeshort-circuitloadingshouldbepartofanagreementand/orgivenbystandards,forexampleerectioncodes.
【中国标准分类号】:F20
【国际标准分类号】:29_240_01
【页数】:75P.;A4
【正文语种】:英语
【英文标准名称】:Helical-scandigitalvideocassetterecordingformatusing12,65mmmagnetictapeandincorporatingMPEG-4compression-TypeD-16format
【原文标准名称】:使用12.65mm磁带和联合MPEG-4压缩的螺旋扫描数字视频盒式记录格式.D-16型格式
【标准号】:BSEN62141-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-07-31
【实施或试行日期】:2006-07-31
【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】:音频的;盒式磁带;周期;数据块;数据压缩;数据布置;定义;测定;数字的;数字记录法;数字录制技术;尺寸;娱乐电子学;(数据)格式;格式编排;螺旋扫描记录(法);家用;接口;接口(数据处理);长度;纵向轨迹;磁记录;磁带记录;磁带;机械性能;MPEG;参数;性能;记录;记录系统;串行;规范(验收);家用盒式录象机制式;盒式录象带;视频记录;录像带
【英文主题词】:Audio;Cassettes;Cassettes(magnetictapes);Cycletime;Datablocks;Datacompression;Datalayout;Definition;Definitions;Determinations;Digital;Digitalrecordingmethods;Digitalrecordingtechnique;Dimensions;Entertainmentelectronics;Formats;Formatting;Helicalscanrecording;Homeuse;Householduse;Interfaces;Interfaces(dataprocessing);Length;Longitudinaltracks;Magneticrecording;Magnetictaperecordings;Magnetictapes;Mechanicalproperties;MPEG;Parameters;Properties;Recording;Recordingsystems;Serial;Specification(approval);VHS;Videocassettes;Videorecording;Videotapes
【摘要】:ThisInternationalStandardspecifiesthetrackcontent,format,andrecordingmethodofthedatablockscontainingcompressedvideo,AES3audiodata,andassociateddatawhichformthehelicalrecordson12,65mmtapeincassettes.Thisstandardsupportsrecordingofsourcepictureformatsusing1920×1080pixelswiththe4:4:4and4:2:2samplingstructurespecifiedinSMPTE274Mattheframerateof23,98Hz,24Hz,25Hzand29,97Hz,andusing1280×720pixelswiththe4:2:2samplingstructurespecifiedinSMPTE296Mattheframeratesof50Hzand59,94Hz(seenote).Thisstandardalsosupportsrecordingof12channelsofAES3audiodataand3linesofuncompressedblankingintervaldata.ThisstandardincludespacketizingandshufflingoperationssupportingpicturecompressionusingtheDCTandDPCMencodingmethodsdefinedbyISO/IEC14496-2(MPEG-4simplestudioprofile).NOTEEarlyimplementationsofthisstandardmightnotcomplytotheframerateof50HzasspecifiedinSMPTE296M.
【中国标准分类号】:M71
【国际标准分类号】:33_160_40
【页数】:104P;A4
【正文语种】:英语
