MIL-PRF-24139A
时间:2024-05-05 04:50:33 来源: 标准资料网 作者：标准资料网 阅读：8207
MIL-PRF-24139A, GREASE, MULTIPURPOSE, WATER RESISTANT (1 MAY 1984)[SUPERSEDING MIL-G-24139 (SHIPS)]., This specification covers one grade of grease for multipurpose usage in applications requiring water resistance. It is to be used at temperatures ranging from 0 degrees Fahrenheit (*F) to 230 Deg. F (110 degrees Celsuis (*C)) in all shipboard applications requiring dispensing through long lengths of tubing. Temperature range for use in ball and roller bearing applications is minus 20 to 250 Deg. F.
【英文标准名称】:Statictransfersystems(STS)-Part3:Methodofspecifyingtheperformanceandtestrequirements
【原文标准名称】:静态转换系统(STS).第3部分:性能和试验要求的详细说明方法
【标准号】:IEC62310-3-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-06
【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/SC22H
【标准类型】:()
【标准水平】:()
【中文主题词】:交流电网;交流电流;元件;定义;电力变换器;电力系统;电气工程;电气安全;电驱动装置;电子工程;电子设备及元件;EMC;检验;干扰抑制;干扰辐射;电力网供电;测量条件;使用条件;性能;工作性能;电力电子学;安全;安全规则;安全要求;安全试验;半导体器件;半导体;规范(验收);开关操纵元件;试验;试验要求;可中断的
【英文主题词】:ACnetwork;Alternatingcurrent;Components;Definition;Definitions;Electricconvertors;Electricpowersystems;Electricalengineering;Electricalsafety;Electrically-operateddevices;Electronicengineering;Electronicequipmentandcomponents;EMC;Inspection;Interferencerejections;Interferingemissions;Mainssupply;Measurementconditions;Operatingconditions;Performance;Performanceinservice;Powerelectronics;Safety;Safetyregulations;Safetyrequirements;Safetytests;Semiconductordevices;Semiconductors;Specification(approval);Switchingelements;Testing;Testingrequirements;Uninterruptable
【摘要】:TheIEC62310seriesofthreestandardsappliestostand-aloneoperatinga.c.statictransfersystems(STS)intendedtoensurethecontinuityofloadsupplythroughcontrolledtransfer,withorwithoutinterruptionofpower,fromtwoormoreindependenta.c.sources.ThisseriesofstandardsincludesinformationfortheoverallintegrationoftheSTSanditsaccessoriesintothea.c.powernetworkandincludesrequirementsfortheswitchingelements,theircontrolandprotectiveelements,whereapplicable.Part1oftheseriesconcernsgeneralandsafetyrequirements.Part2oftheseriesconcernselectromagneticcompatibility(EMC)requirements.ThisPart3oftheseriesconcernsmethodsforspecifyingperformanceandtestrequirementsincludingapplicablesafetytestsreferencedinstandardIEC62310-1forgeneralandsafetyrequirements.Thisstandardappliesforsingle-phase,phase-phaseandthree-phasestatictransfersina.c.systemsupto1000V.Ittakesprecedenceoverallaspectsofgenericperformancestandards,andnoadditionalperformancetestingisnecessary.Therequirementshavebeenselectedsoastobeconsistentwithcompatibilitylevelsforlowfrequencyconducteddisturbancesandsignallinginpubliclow-voltagepowersupplysystems(seeIEC61000-2-2)aswellastoensureanadequatelevelofperformancewhentheSTSisappliedindiversecriticalloadsituations.TherequirementstakeintoaccountthedifferingtestconditionsnecessarytoencompasstherangeofphysicalsizesandpowerratingsofSTS.ThisstandardappliestoSTSasastand-aloneproduct,whetherpresentedasaunitoranassemblyofunits.Thisstandarddoesnotapplyto:–devicesford.c.sourceswitching;–singlesourcesystems;–transfersystemsusingonlyelectromechanicalswitchingdeviceswithinterruptionofthesupplytotheloadduringtransferandintendedtobeusedinemergencypowersystemsorcoveredbyIEC60947-6-1;–automaticswitchingdevicesintegratedintoUPScoveredbytheIEC62040seriesofUPSproductstandards.NOTEAdditionalordifferentrequirementsmayapplytoSTSintendedforuseonboardofvehiclesincludingshipsandaircrafts,inemergencypowersystemssubjecttoaparticularregulatione.g.healthcarefacilities,firefightingoremergencyrescue,intropicalcountriesorwhereelevationsaregreaterthan1000m.
【中国标准分类号】:K04
【国际标准分类号】:29_200
【页数】:102P;A4
【正文语种】:英语
【英文标准名称】:TestMethodforThermalFlowandCurePropertiesofThermosettingPlasticsbyTorqueRheometer(15.04)
【原文标准名称】:转矩流变仪测定热固性塑料的热流量和固化特性的方法(15.04)
【标准号】:ANSI/ASTMD3795-2000
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:塑料;特性
【英文主题词】:plastics;properties
【摘要】:Thistestmethodcoverstheapparatus,andaspecifictestmethod,includingtheevaluationofresultsrequiredforthedeterminationofthethermalflowandcurebehaviorpropertiesofpourablethermosettingmaterials.Thistestmethodcanbeused:Asacontrolforthedevelopmentandproductionofpourablethermosettingmaterialsandtomeasurethedifferentproperties(forexample,meltingbehavior,curebehavior,etc.)aswellastheinfluenceofvariousadditivesandfillersinanygivenformulations,andVerifytheuniformityofdifferentproductionbatchesofthesameformulation.ThevaluesarestatedinSIunits.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionsaregiveninSection7.Note1ThereisnosimilarorequivalentISOstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:
【正文语种】:英语