热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

BS EN 60143-2-1995 电力系统串联电容器.串联电容器组保护装置

作者:标准资料网 时间:2024-04-29 20:28:09  浏览:8940   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Seriescapacitorsforpowersystems-Protectiveequipmentforseriescapacitorbanks
【原文标准名称】:电力系统串联电容器.串联电容器组保护装置
【标准号】:BSEN60143-2-1995
【标准状态】:现行
【国别】:英国
【发布日期】:1995-07-15
【实施或试行日期】:1995-07-15
【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】:交流电流;交流电压;蓄电池组;电容器组;电容器;分类系统;电流变压器;阻尼(波);定义;定义(术语);电气工程;电气安全性;电子设备及元件;低电压;标志;操作;超荷载;过载保护装置;过电压;电力电容器;动力电流;电力装置;保护设备;质量;安全性;安全装置;安全工程;安全性要求;串联电容器;规范(验收);测试
【英文主题词】:Alternatingcurrent;Alternatingvoltages;Batteries;Capacitorbanks;Capacitors;Classificationsystems;Currenttransformers;Damping;Definition;Definitions;Electricalengineering;Electricalsafety;Electronicequipmentandcomponents;Lowvoltage;Marking;Operation;Overload;Overloadprotection;Overvoltage;Powercapacitors;Powercurrent;Powerinstallations;Protectiondevices;Quality;Safety;Safetydevices;Safetyengineering;Safetyrequirements;Seriescapacitors;Specification(approval);Testing
【摘要】:ThispartofIEC143coversprotectiveequipmentforseriescapacitorbanks,withasizelargerthan10Mvarperphase.Protectiveequipmentisdefinedasthemaincircuitappa-ratusandancillaryequipment,whicharepartofaseriescapacitorinstallation,butwhichareexternaltothecapacitorpartitself.TherecommendationsforthecapacitorpartaregiveninIEC143.Theprotectiveequipmentismentionedinclauses1.3and7.6ofIEC143.Theprotectiveequipment,treatedinthisstandard,comprisesthefollowingitemslistedbelow.-overvoltageprotector,-protectivesparkgap,-non-linearresistor(varistor),-by-passcircuit-breaker,-disconnectors,-current-limitingdampingequipment,-dischargereactor,-voltagetransformer,-currenttransformer,-signalcolumn,-relayprotection,controlequipmentandplatformtogroundcommunicationequipment.Seefigure1.Principlesinvolvedintheapplicationandoperationofseriescapacitorsaregiveninsection3.Examplesoffaultscenariosaregiveninsection3.Examplesofprotectiveschemesutilizingdifferentovervoltageprotectorsaregiveninclause2.1.NOTE-Capacitorfusesarenottreatedinthisstandard,sincetheyaretreatedinIEC143andIEC595.Theobjectofthisstandardis:-toformulateuniformrulesregardingperformance,testingandrating,-toillustratedifferentkindsofovervoltageprotectors,-toprovideaguideforinstallationandoperation.
【中国标准分类号】:K42
【国际标准分类号】:31_060_70
【页数】:60P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:Textilemachinery-Hopperfeedersforcottonspinning-Vocabularyandprinciplesofconstruction
【原文标准名称】:纺织机械.棉纺用棉箱给棉机.词汇和建造原则
【标准号】:ISO20726-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-11
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC72
【标准类型】:()
【标准水平】:()
【中文主题词】:纺织机械;棉纺;棉箱给棉机;纺纱机械;细纱机;德语;施工原则;纺织机器;棉纺系统;词汇;多语种的;定义;元部件;术语;法语;英语
【英文主题词】:
【摘要】:ThisInternationalStandardestablishesavocabularyoftermsandprinciplesofconstructionforhopperfeedersusedincottonspinning.NOTE1InadditiontotermsanddefinitionsusedinEnglishandFrench,twoofthethreeofficialISOlanguages,thisInternationalStandardgivestheequivalenttermsanddefinitionsinGerman;thesearepublishedundertheresponsibilityofthememberbodyforGermany(DIN).However,onlythetermsanddefinitionsgivenintheofficiallanguagescanbeconsideredasISOtermsanddefinitions.NOTE2ThedesignofhopperfeedersisnotlimitedtotheseshowninthefiguresofthisInternationalStandard,whicharepresentedasexamplesofdifferenttypes.
【中国标准分类号】:W91
【国际标准分类号】:01_040_59;59_120_10
【页数】:12P;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforMeasuringIntergranularAttackorEndGrainPittingonMetalsCausedbyAircraftChemicalProcesses
【原文标准名称】:测量由于飞行器化学处理引起的对金属的粒间冲击或端面晶粒点蚀的标准实施规范
【标准号】:ASTMF2111-2001a(2005)e1
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:F07.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:试验;飞行器;耐化学性;金属材料
【英文主题词】:aircraftmaintenancechemicals;endgrainpitting;intergranularattack;metallographicinspection;pit;pittingcorrosion;pittingdepth
【摘要】:Ifnotproperlyqualified,chemicalsandchemicalprocessescanattackmetalsusedduringaircraftmaintenanceandproduction.Itisimportanttoqualifyonlyprocessesandchemicalformulasthatdonothaveanydeleteriouseffectsonaircraftmetallicskins,fittings,components,andstructures.Thistestprocedureisusedtodetectandmeasureintergranularattackorpittingdepthcausedbyaircraftmaintenancechemicalprocesses,hence,thistestprocedureisusefulinselectingaprocessthatwillnotcauseintergranularattackorendgrainpittingonaircraftalloys.Thepurposeofthispracticeistoaidinthequalificationorprocessconformancetestingorproductionofmaintenancechemicalsforuseonaircraft.4.2.1Actualaircraftprocessesintheproductionenvironmentshallgivethemostrepresentativeresults;however,thetestresultscannotbecompletelyevaluatedwithrespecttoambientconditionswhichnormallyvaryfromdaytoday.Additionally,whentestingchemicalsrequiringdilutions,waterqualityandcompositioncanplayaroleinthecorrosionratesandmechanismaffectingtheresults.4.2.2Someexamplesofmaintenanceandproductionchemicalsinclude:organicsolvents,paintstrippers,cleaners,deoxidizers,water-basedorsemi-aqueouscleaners,oretchingsolutionsandchemicalmillingsolutions.1.1Thispracticecoverstheproceduresfortestingandmeasuringintergranularattack(IGA)andendgrainpittingonaircraftmetalsandalloyscausedbymaintenanceorproductionchemicals.1.2Thestandarddoesnotpurporttoaddressallqualificationtestingparameters,methods,criticaltesting,orcriteriaforaircraftproductionormaintenancechemicalqualifications.Specificrequirementsandacceptancetestingalongwithassociatedacceptancecriteriashallbefoundwhereapplicableinprocurementspecifications,materialsspecifications,appropriateprocessspecifications,orpreviouslyagreeduponspecifications.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:V04
【国际标准分类号】:19_040;49_025_01
【页数】:4P.;A4
【正文语种】:



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1