电气毕业设计外文翻译-电力系统通信蓄电池电源的检测与维护解决方案

英文原文：PowersystemcommunicationpowersupplytestandmaintenanceofthebatterysolutionAbstractInalargenumberofdataexperimentsandfieldapplication,andonthebasisofthetelecomroominthepowerthepowerofcommoncommonproblemsareanalyzedanddiscussed,from,testingandmaintenanceofreal-timemonitoringsystemsafety,andputforwardasetofcompletesolutions.Keywords:batterygroup;Powersource;Detection;maintenanceIntroductionTheelectricpowercommunicationsystemcenterroomequippedwithalargeamountofstoragebatteryinstallation,onthecommunicationsdepartment.Theoperationoftheelectricpowersystemsandsupport,spareplayanimportantrole.Butinthemaintenanceprocess,orwilloftenmeetmanyproblems,adetailedanalysisofthebelow.1.ThebatterypowersupplyconditionandanalyzesthereasonsWeforlargecommunicationmachine.Roomontheactualtest,tothebatterypowersupplysystemforthecomprehensivestudy,foundthatmanyrooms,communicationsequipmenthavelowloadcapacitybattery,systemreliabilityofthepoor,inherearetwogroupsofdataaboutbatteryproblems:A.batteryservicelifeforthedesignofthegeneral8-1Oyears,andstatisticaldatashowthatthebatterylifeidealcircumstancescanachieve4-6years,generallycannotmeetthedesigndemand,alargenumberoftelecommunicationroomusedlessthan3years(sometwoyears)appearbehindbattery,partofthebatteryevenscrapped;B.2010yearsurumqipowerbureautelecommunicationroomdatashowthatbecausethebatteryelectricpowercommunicationpowersupplyfaultfromaccidentsaccountedfor35%,inrecentyearsthedatainterfacerapidly,theratiohasrisento7%.Twosetsofdatatoshowthattheproblemismoreseriousbattery,thebatterypowersupplyofsecurityandreliabilityhaveaseriousthreat,investigateitsreason,mainlyinthefollowingnineaspects:1.1batterydesignprocessqualityThebatterydesignprocessexistsplatetechnologydesign,materialdesign,oxygencompositedesign,thepressuresetAcomprehensiveplandefect,makeabatteryperformanceandlifehavebeenaffected,mainperformanceforbatteryfailure,earlyleakagewaterloss,deformationcracks,etc.Forsimpleascendingbatterycapacity,willthebatteryplatethin,andincreasethenumberplate,makesthesamevolumeofthecasingelectrolytereactionareagreatlyincreased,capacityimprovesoon,butbecausethinplate,plateeasilycorrosion,softeningbattery,servicelifeandthereforegreatlyshorten,easytoproducetheearlyfailureproblems.Becauseofthelowpressuresetting,chargeoncetoacertainpressure,controlvalveswillbeopenRev.,gasisthroughthevalvewereleaked,causethebatteryfluidloss(usuallyinaholeoracolumnvalvewillfindaslightlydampneartheliquid),thiskindofbatteryalsoeasytoproducetheearlyfailure,valvepressuredesignandmaterialalsohasadirectrelationshipbetweentheshell.Duetoshellmaterial,oxygencompositeefficiency,valvedesignpressure,andothercomprehensivetechnologylack,somebatteriesintheprocessofcharginganddischargingpool,easytoproducetheshelldeformation,beatevencrack.1.2theinfluenceoftheoperationenvironmentRunningenvironmentisthemainroomtemperatureonbatterylifeinfluenceisbigger,in25℃environmentconditions,theenvironmentalaveragetemperatureincreaseevery10℃,batterylifeisreducedbyhalf.Northwesttemperaturechangesgreatly(a30℃a+55~C),thesubstationtelecommunicationroomlessequippedwithairconditioner,thermalperformanceispoor,temperatureonbatterylifeformdirectlyinfluence.1.3operationmodeandinstallationmethodBatterypacksaregenerallymorebatteryseriesintoagroup,twogroupsofparalleloperation.SiteoftenFoundintheinternalbattery,articleconnection(board)cornerofbatteryperformancegenerallyhaveslightlyworse,themainreasonisthearticleconnectiontoolong(otherconnectionisthearticle5al0times)andthematerialsofthecontactresistancecausedtoolarge,leadtotheconnectionofpressuredroparticleistoobig,intheprocessofcharginganddischarging,willseriouslyaffectperipheralbatterycharginganddischargingeffect,thiskindofproblemshouldbeavoided.1.4thequalityofpowersupplyandloaddesignproblemThetelecomroomislocatedinremotegeneraltransformersubstation,oftenwithoutpowerandthebatteryinfrequentcharged,anddischargestatus,theseriousinfluencebatterylife.Computerroomloadrelativetothebatterycapacityareslantssmall,suchastheactualloadfor30A,communicationsequipmentconfigurationofbatterycapacityiscommonlytwogroupsof300Ah,theutilityafterinterrupting,storagebatterywilltotinycurrentbegantodischarge,andsmalldischargecurrentgenerationofsulfuricacidleadparticlesiseasytocrystallizationintopiecesandEtelecommunicationroomaregenerallyruralpowersupply,thequalityofpowersupplyisnotstable,poweroverAlongperiodoftime,poweroutagesfrequent,sulfuricacidleadparticlesgeneratedmoreeasilyirreversiblesulfate.1.5professionaltestingmethodsandlackofequipmentInthedischargedetection,duetolackofmonomerdetectionequipmentprotectionfunctions,therefore,indischargeonlybythegroupwhenvoltageobservation,combinedwithmanualmeasuringforinspection.Finda1.8vbattery,immediatelysuspendtest.Thiswaylowefficiency,safetyallthesexdifferences,tothebatterycan'tformaneffectiveprotection.Thebatterycharacteristicparametersaremainlyembodiedinthevoltage,resistanceandcapacity,theconventionaldetectionmethodmainlymeasuringvoltage,observetheshellsigns,checkthebolttightnessetc.Sothatonlysomerepresentationstotheparameter,andcannotmaster'simportant!Parameterssuchasresistance,capacity,etc.1.6charger,dischargemanagementsystemisnotperfectRechargingproblemsmainlyinvolvestochargecycle,allarechargingpressure,flow,allarechargingfillingtime,Allfillingconversioncontrol,floattemperaturecompensationofdetailedregulations.Somemaintenancepersonneltoimprovebatterychargingefficiency,improvedchargingvoltage,andincreasethechargingcurrent,leadingtoincreasedpressure,thencombinedlowefficiency,thebatterytodehydrate,areplatebarcorrosion.Withthisseveralyearsofbatterymanagementknowdeeply,relatedproblemsreducegradually,butforthisproblemormustcauseenoughattentiontomainpayattentiontothefollowingthreepoints:oneisthechargecan'tchargehighpressure,evenwitharecharging,voltagemustalsoberestrictedin2.35Vscope(thenewbatteryshouldbecontrolledin2-3V);2itischargingelectriccurrentcannottoomuch,itwillspeedupplatescorrosion,causeplatesoftening,restrainoxygencompositeefficiency;3itischargingprocessmustbetemperaturecompensation,compensationcoefficientsfora3mV/℃2mV/~Cone.2.Testingandmaintenanceprogram2.1replacementhasseriousdegradationthebatterypacks,strengthentheselectionofthebatteryTofindBicanhavedepthdegradationandaseriousthreattothesecurityofthebatterypowersupplysystemGroupsshouldbeearlychange,andstrengthenthebatterytechnologyselection.Processqualityproblemisthefocusoftheselectionconsiderbattery,thebatterycanbebasedonstandard,batterymakerstoraisespecifictechnicalrequirements,suchasofthematerials,valvepressure.,platethickness,quantity,voltage,resistanceSui,balancedequilibriumcharacteristics,oxygencompositeefficiency,waterlossrate,forthroughtheacceptancetestcandetectproject,mustconducttestontheseworkcanbefurtherensurethereliabilityofthebatteryforlong-termuse.Vrlabatteriesforproductiontechnologyisstrict,atpresentdomesticbatterylifeManufacturersinthemorethan300,allsortsoftechnologyofhandicraftisvarious,theproposalisinbeforepurchase,thebatteryrigorousscreening,asfaraspossiblechoicecompleteproductionequipment,strongtechnicalforce,servicefacilities,perfectbrandenterprise.,2.2strengthenearlybatterytest,improvebatterysupportabilityofputintooperationAtthebeginningofthestoragebatterycheckisaveryimportanttestinglink,thebatterytechnologystandardsInearlytocheckthebatteryhasaclearrequest,theengineroomoftheelectricpowercommunicationbatteryinstallation,runandmaintenanceandmanagementisofimportantsignificance.Forthespecificrequirementsoftheearlybatterycheckis:batteriesbeforeputintooperation,thefirstfirstchecksexdischarge,itscapacityshouldbenotlessthan95%,afterthecompletionofthedischargetothebatterycharge;Filled,aquietplace1-2h,makeasecondchecksexdischarge,afterthecompletionofthedischargeofbatterycharge;Filled,aquietplace1~2h,thirdcheckBidischarge,itscapacityshouldbenotlessthan100%,afterthecompletionofthedischargetochargethebattery.2.3maintenancechangeideas,strengthenthebatterypowersupplyofprofessionalmonitoringmanagementProfessionalcentralizedmonitoringsysteminthetraditionalmonitoringsystembasedonthefunction,increasethestorageofelectricityPoolmonomerbatteryvoltage,resistanceandchecktestfunctions,themoretheearthplayedamonitoringmanagementfunctions,improvethemaintenanceefficiency.Implementingspecializedmonitoring,andotherinstallationcommonmonitoringornotpackmonitoringcommunicationsequipmentphaseThan,thepowersupplyratereducedgreatly,foundthattheproblemistimely,ensurethesafetyandreliabilityofthetelecomroomimproved.2.4configurationdieselgenerators,strengthenintelligentcontrolmanagement,ensurethatelectricpowercommunicationsecurityThebatteryelectricpowercommunicationcommunicationsequipmentisnecessaryshorttimedcpower,anddieselgeneratorMachineislongtimeplaystheroleofcommunicationstandbypower.MostofthecommunicationsarenospareroomwoodOilgenerator,canincreasethesmalldieselgeneratorconfiguration.Consideringthemaintenanceworkloadisbig,shortageofpersonnel,vehiclesandequipmentandturnovernervoustheactualproblem,cannotintelligentdieselgeneratorincreaseintelligentcontrolsystem,intheutilitypowerlost,theutilityisunstable,thephaselack,owepressure,pressureandsoonmanykindsofconditions,canbeautomaticallystartdieselgenerator,andtoswitchintopowernetworkoperation.Fortheoperationofthedieselgeneratormaintenanceandmanagement,shouldalsotogetherwithbattery,intotheprofessionalcentralizedmonitoringsystem,sothatintimecontrolsystemofpowerthebatteryoperationparametersandworkingstate.中文翻译：电力系统通信蓄电池电源的检测与维护解决方案摘要在大量的数据实验和现场应用的基础上，针对电力通信机房电源普遍存在的共同性问题进行了分析和探讨，从检测维护、实时监控及系统安全等角度提出了一套完整方案。关键词：蓄电池组；电源；检测；维护引言电力通信系统各中心机房安装配备有大量的蓄电池，其对通信系统的运行与电能支撑、备用起到重要的作用。但是在具体的维护过程中，还是会经常遇到许多问题，下面进行详细的分析。1.蓄电池电源状况及其原因分析我们对大量通信机．房进行了实际测试，对蓄电池电源系统进行了综合性研究，发现许多机房、通信机房都存在蓄电池负载能力低下、系统可靠性差的问题，在这里有两组关于蓄电池问题的数据：a.蓄电池的设计使用寿命一般为8—1O年，而统计数据表明，电池寿命理想情况下能达到4—6年，普遍都达不到设计要求，大量通信机房使用不到3年(有的2年)就出现电池落后，部分电池甚至报废；b．2010年乌鲁木齐电业局通信机房统计的数据表明，由于蓄电池故障引起的电力通信电源事故占35％，近年来这介数据快速攀升，这个比例已经上升到7%左右。两组数据表明，蓄电池的问题比较严重，对蓄电池电源的安全和可靠产生严重威胁，究其原因，主要有以下9个方面：1.1电池设计工艺质量电池设计工艺存在极板工艺设计、材料设计、氧复合设计、阀压设计等综合性缺陷，使电池性能和寿命受到严重影响，主要表现为电池早期失效、漏液失水、变形裂缝等。为单纯提升电池容量，将电池极板变薄，并增加极板数量，使得同一容积的壳体内电解液反应面积大幅度增加，容量提升很快，但由于极板变薄，电池极板容易腐蚀、软化，使用寿命也因此大大缩短，容易产生早期失效问题。由于阀压设置偏低，充电时一旦达到一定压力，控制阀便自动开启，气体也就通过阀门外泄，造成电池失水(一般在阀门孔或者极柱附近会发现有轻微潮湿的液体)，这类电池也容易产生早期失效，阀压设计与壳体材料也有着直接关系。由于壳体材料、氧复合效率、阀压设计等综合技术欠缺，有些电池池在充放电过程中，容易产生壳体变形、鼓包甚至裂缝。1.2运行环境的影响运行环境主要是机房温度对电池寿命影响较大，在25℃环境条件下，环境平均温度每增加10℃，电池寿命就将减少一半。西北地区温度变化较大(一30℃一+55~C)，变电站通信机房较少配备空调，散热性能较差，环境温度对电池寿命形成直接影响。1.3运行方式及安装方法电池组一般都是多节电池串联而成一组，两组并联运行。现场经常发现在电池组内部，连接条(板)拐弯处的电池性能一般都要稍差些，主要原因是连接条过长(是其他连接条的5一l0倍)以及由于材料引起的接触电阻过大，导致该连接条上的压降太大，在充放电过程中，就会严重影响周边电池充放电效果，这类问题应避免。1.4供电质量及负载设计问题变电站通信机房一般地处偏远，经常停电，电池处于频繁充电、放电状态，严重影响电池寿命。机房负载相对于电池容量都偏小，例如实际负载为30A，通信机房配置的电池容量一般为两组300Ah，市电中断后，蓄电池便会以极小电流开始放电，而小电流放电生成的硫酸铅颗粒很容易结晶成块加E通信机房一般都是农网供电，供电质量不稳定，停电时间较长，停电频繁，硫酸铅颗粒更容易生成不可逆硫酸盐。1.5专业检测手段及设备缺乏在现场进行放电检测时，由于检测设备缺乏单体保护设置功能，因此，在放电时只能通过整组电压观察，结合手工测量进行检查。发现有电池达到1．8v时，立即中止测试。这种方式效率低，