JB/T 5834.3-1991 电力整流模块MDS系列5A以上三相桥式整流模块
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来源:标准资料网
基本信息
| 标准名称： | 电力整流模块MDS系列5A以上三相桥式整流模块 |
| 中标分类： |
电工 >>
输变电设备 >>
电力半导体期间、部件 |
| 发布部门： | 中华人民共和国机械电子工业部 |
| 发布日期： | 1991-10-24 |
| 实施日期： | 1992-10-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 提出单位： | 机械电子工业部西安电力电子技术研究所 |
| 归口单位： | 机械电子工业部西安电力电子技术研究所 |
| 起草单位： | 杨洲整流器厂、北京椿树整流器厂 |
| 起草人： | 孙福民、查满荣、和成杰 |
| 出版社： | 机械工业出版社 |
| 出版日期： | 1992-09-01 |
| 页数： | 14页 |
| 批文号： | 机电科标[1991]1839号 |
适用范围
本标准规定了三相桥式电力整流模块的技术要求和检验及其依据。 本标准适用于六个整流管芯片组成、按壳温额定MDS5～MDS150型三相桥式整流模块（以下简称模块）。
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 电力半导体期间 部件
【英文标准名称】:Aerospaceseries-Bolts,normalhexagonalhead,coarsetolerancenormalshank,shortthread,inheatresistingnickelbasealloy,aluminiumIVDcoated-Classification:1250MPa(atambienttemperature)/425oC.
【原文标准名称】:航空航天系列.铝IVD涂覆的耐热镍基合金短螺纹粗公差标称柄标准六角头螺栓.等级:1250MPa(室温)/425℃
【标准号】:NFL24-124-2010
【标准状态】:现行
【国别】:法国
【发布日期】:2010-01-01
【实施或试行日期】:2010-01-30
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;铝;交货条件;名称与符号;尺寸;紧固件;六角头螺钉;高温;作标记;机械性能;多语种的;镍基合金;特性;螺钉;航天运输;规范(验收);公差(测量);重量
【英文主题词】:Aerospacetransport;Airtransport;Aluminium;Deliveryconditions;Designations;Dimensions;Fasteners;Hexagonheadscrews;Hightemperature;Marking;Mechanicalproperties;Multilingual;Nickelbasealloys;Properties;Screws(bolts);Spacetransport;Specification(approval);Tolerances(measurement);Weights
【摘要】:
【中国标准分类号】:V20
【国际标准分类号】:49_030_20
【页数】:16P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforAbrasionResistanceofTextileFabrics(OscillatoryCylinderMethod)
【原文标准名称】:纺织纤维耐磨性的标准试验方法(摆辊式耐磨试验法)
【标准号】:ASTMD4157-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D13.60
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:abrasion;wovenfabric;Abrasionresistance--textilefabrics/fibers;Oscillatorycylindermethod;Textilefabricanalysis
【摘要】:Themeasurementoftheresistancetoabrasionoftextileandothermaterialsisverycomplex.Theresistancetoabrasionisaffectedbymanyfactors,suchastheinherentmechanicalpropertiesofthefibers;thedimensionsofthefibers;thestructureoftheyarns;theconstructionofthefabrics;andthetype,kind,andamountoffinishingmaterialaddedtothefibers,yarns,orfabric.Theresistancetoabrasionisalsogreatlyaffectedbytheconditionsofthetests,suchasthenatureofabradant;variableactionoftheabradantovertheareaofspecimenabraded,thetensionofthespecimen,thepressurebetweenthespecimenandabradant,andthedimensionalchangesinthespecimen.Abrasiontestsareallsubjecttovariationduetochangesintheabradantduringspecifictests.Theabradantmustaccordinglybechangedatfrequentintervalsorcheckedperiodicallyagainstastandard.Withdisposableabradants,theabradantisusedonlyonceorchangedafterlimiteduse.Withpermanentabradantsthatusehardenedmetalorequivalentsurfaces,itisassumedthattheabradantwillnotchangeappreciablyinaspecificseriesoftests,butobviouslysimilarabradantsusedindifferentlaboratorieswillnotlikelychangeatthesamerateduetodifferencesinusage.Permanentabradantsmayalsochangeduetopickupoffinishingorothermaterialfromtestfabricsandmustaccordinglybecleanedatfrequentintervals.Themeasurementoftherelativeamountofabrasionmayalsobeaffectedbythemethodofevaluationandmaybeinfluencedbythejudgmentoftheoperator.Theresistanceoftextilematerialstoabrasionasmeasuredonatestingmachineinthelaboratoryisgenerallyonlyoneofseveralfactorscontributingtowearperformanceordurabilityasexperiencedintheactualuseofthematerial.Whilex201C;abrasionresistancex201D;(oftenstatedintermsofthenumberofcyclesonaspecifiedmachine,usingaspecifiedtechniquetoproduceaspecifieddegreeoramountofabrasion)andx201C;durabilityx201D;(definedastheabilitytowithstanddeteriorationorwearingoutinuse,includingtheeffectsofabrasion)arefrequentlyrelated,therelationshipvarieswithdifferentenduses,anddifferentfactorsmaybenecessaryinanycalculationofpredicteddurabilityfromspecificabrasiondata.Laboratorytestsmaybereliableasanindicationofrelativeend-useperformanceincaseswherethedifferenceinabrasionresistanceofvariousmaterialsislarge,buttheyshouldnotberelieduponwheredifferencesinlaboratorytestfindingsaresmall.Ingeneral,theyshouldnotberelieduponforpredictionofactualwear-lifeinspecificendusesunlesstherearedatashowingthespecificrelationshipbetweenlaboratoryabrasiontestsandactualwearintheintendedend-use.Thesegeneralobservationsapplytoalltypesoffabrics,includingwoven,nonwoven,andknitapparelfabrics,householdfabrics,industrialfabrics,andfloorcoverings.Itisnotsurprising,therefore,tofindthattherearemanydifferenttypesofabrasiontestingmachines,abradants,testingconditions,testingprocedures,methodsofevaluationofabrasionresistance,andinterpretationofresults.Allthetestmethodsandinstrumentssofardevelopedforabrasionresistancemayshowahighdegreeofvariabilityinresultsobtainedbydifferentoperatorsandindifferentlaboratories;however,theyrepresentthemethodsnowmostwidelyinuse.Thistestmethodprovidesacomparativemeasurementoftheresistanceofwoventextilefabricstoabrasion,andmaynotnecessarilypredicttheactyalperformanceoffabricsinactualuse.Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwoormorelaboratories,comparativetes..........
【中国标准分类号】:W55
【国际标准分类号】:59_080_30
【页数】:6P.;A4
【正文语种】:英语
