【英文标准名称】:Windturbines-Part21:Measurementandassessmentofpowerqualitycharacteristicsofgridconnectedwindturbines(IEC61400-21:2008);GermanversionEN61400-21:2008
【原文标准名称】:风力涡轮机第21部分:网格连接式风力涡轮机动力质量特性的测量和评估
【标准号】:EN61400-21-2008
【标准状态】:现行
【国别】:
【发布日期】:2009-06
【实施或试行日期】:2009-06-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:有功功率;粘结;兼容性;兼容性试验;定义;耐久性;电力系统;电气工程;供能系统(建筑物);发电机;格栅;电力网供电;测量组织;测量技术;网络保护;功率测量;电功率测量;质量;评定;规范(验收);应力;测试;涡轮机;电压降;风力电站;风力涡轮发电机系统;风力涡轮机
【英文主题词】:Activepower;Bond;Compatibility;Compatibilitytests;Definitions;Durability;Electricpowersystems;Electricalengineering;Energysupplysystems(buildings);Generators;Grids;Mainssupply;Measurementset-up;Measuringtechniques;Networkprotection;Powermeasurement;Powermeasurement(electric);Quality;Ratings;Specification(approval);Stress;Testing;Turbines;Voltagedips;Windpowerstations;Windturbinegeneratorsystems;Windturbines
【摘要】:
【中国标准分类号】:F11
【国际标准分类号】:27_180
【页数】:64P.;A4
【正文语种】:英语


【英文标准名称】:Standardforhandling,packing,shippinganduseofmoisture/reflowsensitivesurfacemountdevices
【原文标准名称】:对湿敏/逆流敏表面安装器件的处置、包装、发货和使用的标准
【标准号】:IEC/PAS62169-2000
【标准状态】:作废
【国别】:国际
【发布日期】:2000-08
【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/TC47
【标准类型】:()
【标准水平】:()
【中文主题词】:电气工程;抗湿;搬运;表面安装;电子设备及元件;航运;电子工程;包装件;半导体器件;表面安装设备
【英文主题词】:Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Handling;Moistureresistance;Packages;Semiconductordevices;Shipping;SMD;Surfacemounting
【摘要】:3.1Packages3.1.1ThisstandardappliestoallnonhermeticSMDssubjectedtobulksolderreflowprocessesduringPCBassembly,includingplasticencapsulatedpackagesandallotherpackagesmadewithmoisture-permeablepolymericmaterials(epoxies,silicones,etc.)thatareexposedtotheambientair.3.1.2Hermeticcomponentsarenotatriskanddonotrequiremoistureprecautionaryhandling.3.2Assemblyprocesses3.2.1Thisstandardappliestobulksolderreflowassemblybyconvection,convection/IR,infrared(IR),andvaporphasereflow(VPR)processes.Itdoesnotapplytobulksolderreflowprocessesthatimmersethecomponentbodiesinmoltensolder(e.g.,backsidewavesolder).SuchprocessesarenotallowedformanySMDsandarenotcoveredbythecomponentqualificationsstandardsusedasabasisforthisdocument.3.2.2Thisstandardalsoappliestomoisturesensitivecomponentsthatareremovedorattachedsinglybylocalambientheating,i.e.,"hotairrework."3.2.3Thisstandarddoesnotapplytocomponentsthataresocketedandnotexposedtosolderreflowtemperatures.Suchcomponentsarenotatriskanddonotrequiremoistureprecautionaryhandling.3.2.4Thisstandarddoesnotapplytocomponentsinwhichonlytheleadsareheatedtoreflowthesolder,e.g.,hand-soldering,hotbarattachofgullwingleads,andpin-thru-holewithbacksidewavesolder.Theheatabsorbedbythepackagebodyfromsuchoperationsistypicallymuchlowerthanforbulksurfacemountrefloworhotairrework,andmoistureprecautionarymeasuresaretypicallynotneeded.3.3Reliability3.3.1Themethodssetforthinthisspecificationensurethatadequatecomponentreliability,asevaluatedandverifiedbyJ-STD-020and/orbyJESD22-A113plusenvironmentalreliabilitytesting,ismaintainedduringandafterthePCBassemblyoperation.3.3.2Thisspecificationdoesnotaddressorensuresolderjointreliabilityofattachedcomponents.
【中国标准分类号】:L08
【国际标准分类号】:31_080_01
【页数】:14P.;A4
【正文语种】:英语