DIN 40100-20-1985 电工设备用图形符号.导航设备
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【英文标准名称】:Graphicalsymbolsforuseonequipmentintheelectrotechnicalfield;navigationequipment
【原文标准名称】:电工设备用图形符号.导航设备
【标准号】:DIN40100-20-1985
【标准状态】:作废
【国别】:德国
【发布日期】:1985-11
【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】:导航;图形符号;符号;电气工程
【英文主题词】:graphicsymbols;navigation;symbols;electricalengineering
【摘要】:
【中国标准分类号】:M50
【国际标准分类号】:01_080_30
【页数】:6P;A4
【正文语种】:德语
【英文标准名称】:StandardPracticeforPreparationofInsulatingPaperandBoardImpregnatedwithaLiquidDielectric
【原文标准名称】:浸透液态电介质的纸及纸板绝缘性电制备的标准实施规程
【标准号】:ASTMD2413-1999(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D09.19
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:board;dielectricstrength;dissipationfactor;drying;impulsestrength;oilimpregnation;paperpermittivity;pressboard;vacuumdrying;Dielectricbreakdownvoltage;Electricalinsulatingpaper/paperboard;Electricalproperties;Impregnateddie
【摘要】:DissipationFactorandRelativePermittivity8212;Knowledgeofthesepropertiesisimportantinthedesignofelectricalequipmentsuchascables,transformers,insulators,etc.Thenumericalproductofthesetwopropertiesofadielectricsystemisproportionaltotheenergylossconvertedtoheat,andiscalleditslossindex(seeTerminologyD1711).Theenergylossreducestheefficiencyofelectricalequipment.Theheatproducedtendstochemicallydegradethedielectricmaterialandmayevenleadtothermalrunaway.Testresultsofimpregnatedspecimenscandisclosesignificantdifferencesbetweencombinationsofpapersandoilsthatappearsimilarwhenthepapersandtheoilsaretestedseparately.Dissipationfactor,particularlyatelevatedtemperatures,isoftenchangedsignificantlybythepresenceofasmallquantityofimpuritiesineithertheliquidorthepaper.Thispracticeisusefulinthecomparisonofmaterialsandinevaluatingtheeffectsofdifferentpapersonagivenliquid.Judiciousanalysisofresultswithrespecttotime,temperature,andfieldstrengthshouldbeusefulinpredictingtheperformanceandcapabilitiesofsystemsusingthepaperandtheliquid.Foradditionalinformationonthesignificanceofdissipationfactorandrelativepermittivity,seeTestMethodsD150.TestMethodforDielectricBreakdownVoltageandDielectricStrengthofSolidElectricalInsulatingMaterialsatCommercialPowerFrequencies:Acomprehensivediscussionofthesignificanceofthedielectricstrengthtestasappliedtosolid,semi-solid,andliquidmaterialsisgiveninAppendixX1ofTestMethodD149.Otherfactorspeculiartohigh-qualitycompositeinsulations,suchasoil-impregnatedpapers,areconsideredinthefollowing:Intestsinvolvinghighelectricalstresses,immersionofcriticalpartsofatestcircuitinoilisawidelyusedtechniqueforinhibitingcorona.However,ithaslimitationsthatmustberecognizedwhenusingthesubmergedelectrodeoptionofthispractice(Note1).Attackonthepaperbycoronageneratedinthesurroundingfluidatelectrodeedgescanoccurwhetherthefluidisairoroil.Coronaoccursatconsiderablyhighervoltagesinoilthaninair.Thickanddensepapersaremorelikelytocausedischarge-initiatedbreakdowns.Forinterpretationofbreakdownmeasurementsthenumberofedgebreakdowns,implyingdischarge-initiatedbreakdowns,shouldbeconsidered.Note18212;Twotechniquesareinuseintheindustryfortestingspecimensfordielectricbreakdownvoltage.Inone,thetestismadewiththeelectrodesandtestspecimensubmergedintheimpregnatingliquidwhileintheothertheelectrodesarenotsubmerged,thatis,thespecimenistestedinair.Muchdatahasbeenaccumulatedusingthelattertechnique.Thesetechniquesyielddifferentvaluesofbreakdownvoltage.TestMethodD149statespreferencefortestingmaterialsinthemediuminwhichtheyareused.Theuseofsubmergedelectrodesfollowsthispreference.Whentestingthickinsulatingboards,theuseofsubmergedelectrodesisgreatlypreferred.Theresultsofpowerfrequencytestsonoilimpregnatedpapersareusefulforscreening,research,andqualitycontrol,providedthatconsiderablejudgmentisexercisedininterpretingtheresults.Theapplicationofthetestresultstoequipmentdesignandservicerequiresparticu........
【中国标准分类号】:K15
【国际标准分类号】:29_035_10
【页数】:4P.;A4
【正文语种】:英语
基本信息
标准名称: | 炒药机 |
英文名称: | Herbal medicine roaster |
中标分类: |
医药、卫生、劳动保护 >>
制药、安全机械与设备 >>
药材采取与中药加工机械 |
ICS分类: |
|
发布部门: | 国家发展和改革委员会 |
发布日期: | 2005-02-14 |
实施日期: | 2005-08-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
归口单位: | 制药装备行业标委会 |
起草单位: | 河南周口制药机械厂有限公司 |
出版社: | 中国计划出版社 |
出版日期: | 1900-01-01 |
页数: | 9 页 |
适用范围
本标准规定了炒药机的定义、分类和标记、要求、试验方法、检验规则和标志、包装、运输与贮存。
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所属分类: 医药 卫生 劳动保护 制药 安全机械与设备 药材采取与中药加工机械