DIN IEC 60946-1991 过程测量和控制装置的二元直流电压信号
时间:2024-05-21 21:22:56 来源: 标准资料网 作者：标准资料网 阅读：9625
【英文标准名称】:Binarydirectvoltagesignalsforprocessmeasurementandcontrolsystems;identicalwithIEC60946:1988
【原文标准名称】:过程测量和控制装置的二元直流电压信号
【标准号】:DINIEC60946-1991
【标准状态】:现行
【国别】:德国
【发布日期】:1991-06
【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】:规范(验收);自动控制系统;直流电压;工业的;信号;二进制信号;控制工艺学;控制系统;定义;过程控制;工业;控制信号;测量系统;过程测量和控制技术;二进制;工业流程测量;直流电压信号
【英文主题词】:
【摘要】:Thisstandardisapplicabletonon-multiplexedtwowirebinarydirectvoltagesignalsofnominal24Vlevelthatareusedinindustrial-processmeasurementandcontrolsystemstotransmitinformationbetweenelementsofsystems.Itdoesnotapplytosignalsthatareusedentirelywithinanelement.
【中国标准分类号】:N10
【国际标准分类号】:25_040_40
【页数】:3P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforThermalEnduranceofFlexibleElectricalInsulatingVarnishes
【原文标准名称】:柔性电绝缘漆耐热性的标准试验方法
【标准号】:ASTMD1932-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:D09.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:覆层;耐用试验;绝缘;热学;热稳定性;电气工程;试验;电绝缘
【英文主题词】:dielectricstrength;glassfiberfabric;thermalendurance;varnish
【摘要】:Amajorfactoraffectingthelongtermperformanceofinsulatingmaterialsisthermaldegradation.Otherfactors,suchasmoistureandvibration,maycausefailuresafterthematerialhasbeenweakenedbythermaldegradation.Anelectricalinsulatingvarnishiseffectiveinprotectingelectricalequipmentonlyaslongasitretainsitsphysicalandelectricalintegrity.Thethermaldegradationofthevarnishresultsinweightloss,porosity,crazing,andgenerallyareductioninflexibility.Degradationofthevarnishcanbedetectedbyadecreaseindielectricstrength,whichisthereforeusedasthefailurecriterionforthistestmethod.Electricalinsulatingvarnishesundergoflexinginserviceduetovibrationandthermalexpansion.Forthisreason,thisfunctionaltestincludesflexingandelongationoftheinsulation.Theelectrodesusedinthistestmethodaredesignedtoelongatetheoutersurfaceofthespecimen2%withrespecttotheneutralaxisofthebasefiberwhilebeingtestedfordielectricbreakdown.1.1Thistestmethodcoversthedeterminationoftherelativethermalenduranceofflexibleelectricalinsulatingvarnishesbydeterminingthetimenecessaryatelevatedtemperaturestodecreasethedielectricbreakdownofthevarnishtoanarbitrarilyselectedvaluewhenappliedtoastandardglassfiberfabric.1.2Thistestmethoddoesnotapplytovarnishesthatloseahighpercentageoftheirdielectricbreakdownvoltagewhenflexedbeforeelevatedtemperatureexposureasprescribedinthescreeningtest(Section9).Examplesofsuchvarnishesarethoseusedforhighspeedarmaturesandlaminatedstructures.Also,thistestmethodisnotapplicabletovarnisheswhichdistortsufficientlyduringthermalelevatedtemperatureexposuresothattheycannotbetestedusingthecurvedelectrodeassembly.1.3Thermalenduranceisexpressedintermsofatemperatureindex.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection7.1.5ThevaluesstatedinSIunitsarethestandard.ThereisnoequivalentIECorISOstandard.
【中国标准分类号】:K15
【国际标准分类号】:29_035_60
【页数】:5P.;A4
【正文语种】:
【英文标准名称】:Electromechanicalcomponentsforelectronicequipment-Basictestingproceduresandmeasuringmethods-Part15:Mechanicaltestsoncontactsandterminations;section8:Test15h:Contactretentionsystemresistancetotoolapplication(IEC60512-15-8:1
【原文标准名称】:电子设备用机电元件.基本试验规程和测量方法.第15部分:触点和终端机械试验.第8节:15h:耐刀具操作的接触抑制系统
【标准号】:DINEN60512-15-8-1996
【标准状态】:现行
【国别】:德国
【发布日期】:1996-08-01
【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】:试验;工具;测量技术;触点;组件;电子工程;元部件;机械试验
【英文主题词】:Components;Connections;Contact;Contactretentionsystems;Electricalengineering;Electromechanicaldevices;Electronicengineering;Electronicinstruments;Measuringtechniques;Mechanicaltesting;Resistance;Testing;Tools
【摘要】:Thisdocumentdefinesstandardtestmethodtochecktheabilityofconnectorstowithstandtheuseofstandardizedtoolingforinsertionandextractionofcontacts.
【中国标准分类号】:L23
【国际标准分类号】:31_220_10
【页数】:5P;A4
【正文语种】:德语