SAE AMS2435 Coating, Tungsten Carbide-Cobalt Coating, Detonation Process (NONCURRENT Jun 2007)
作者:标准资料网 时间:2024-05-07 16:31:21 浏览:9650
来源:标准资料网
Product Code:SAE AMS2435
Title:Coating, Tungsten Carbide-Cobalt Coating, Detonation Process (NONCURRENT Jun 2007)
Issuing Committee:Ams B Finishes Processes And Fluids Committee
Scope:
【英文标准名称】:Statictransfersystems(STS)—Part3:Methodforspecifyingperformanceandtestrequirements
【原文标准名称】:静态转换系统(STS).指定性能和试验要求的方法
【标准号】:BSEN62310-3-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2009-04-30
【实施或试行日期】:2009-04-30
【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】:交流电网;交流电流;组件;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;电磁兼容性;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;连续
【英文主题词】:ACnetwork;Alternatingcurrent;Components;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】:L06
【国际标准分类号】:29_200;29_240_30
【页数】:54P.;A4
【正文语种】:英语
【英文标准名称】:Meatandmeatproducts;Determinationofnitrogencontent(Referencemethod)
【原文标准名称】:肉和肉制品氮含量的测定(参照法)
【标准号】:ISO937-1978
【标准状态】:现行
【国别】:国际
【发布日期】:1978-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC34
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析和试验;肉;肉制品;含量测定;基准方法;氮
【英文主题词】:Chemicalanalysisandtesting;Definitions;Determinationofcontent;Meat;Meatproducts;Nitrogen;Referencemethods;Sizereduction
【摘要】:Themethodconsistsindigestingofatestportionwithconcentratedsulphuricacid,usingcopper(II)sulphateasacatalyst,toconvertorganicnitrogentoammoniaions.Thenalkalisation,distillationoftheliberatedammoniaintoanexcessofboricacidsolution,titrationwithhydrochloricacidtodeterminetheammoniaboundbytheboricacid,andcalculationofnitrogencontentofthesamplefromtheamountofammoniaproduced.
【中国标准分类号】:X22
【国际标准分类号】:67_120_10
【页数】:3P.;A4
【正文语种】:英语
