毕业设计论文 外文文献翻译 中英文对照 电气工程及其自动化专业 电力系统通信蓄电池电源的检测与维护解决方案Word文档下载推荐.docx
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毕业设计论文 外文文献翻译 中英文对照 电气工程及其自动化专业 电力系统通信蓄电池电源的检测与维护解决方案Word文档下载推荐.docx
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Abstract
Inalargenumberofdataexperimentsandfieldapplication,andonthebasisofthetelecomroominthepowerthepowerofcommoncommonproblemsareanalyzedanddiscussed,from,testingandmaintenanceofreal-timemonitoringsystemsafety,andputforwardasetofcompletesolutions.
Keywords:
batterygroup;
Powersource;
Detection;
maintenanceIntroduction
Theelectricpowercommunicationsystemcenterroomequippedwithalargeamountofstoragebatteryinstallation,onthecommunicationsdepartment.Theoperationoftheelectricpowersystemsandsupport,spareplayanimportantrole.Butinthemaintenanceprocess,orwilloftenmeetmanyproblems,adetailedanalysisofthebelow.
1.Thebatterypowersupplyconditionandanalyzesthereasons
Weforlargecommunicationmachine.Roomontheactualtest,tothebatterypowersupplysystemforthecomprehensivestudy,foundthatmanyrooms,communicationsequipmenthavelowloadcapacitybattery,systemreliabilityofthepoor,inherearetwogroupsofdataaboutbatteryproblems:
A.batteryservicelifeforthedesignofthegeneral8-1Oyears,andstatisticaldatashowthatthebatterylifeidealcircumstancescanachieve4-6years,generallycannotmeetthedesigndemand,alargenumberoftelecommunicationroomusedlessthan3years(sometwoyears)appearbehindbattery,partofthebatteryevenscrapped;
B.2010yearsurumqipowerbureautelecommunicationroomdatashowthatbecausethebatteryelectricpowercommunicationpowersupplyfaultfromaccidentsaccountedfor35%,inrecentyearsthedatainterfacerapidly,theratiohasrisento7%.
Twosetsofdatatoshowthattheproblemismoreseriousbattery,thebatterypowersupplyofsecurityandreliabilityhaveaseriousthreat,investigateitsreason,mainlyinthefollowingnineaspects:
1.1batterydesignprocessquality
Thebatterydesignprocessexistsplatetechnologydesign,materialdesign,oxygencompositedesign,thepressureset
Acomprehensiveplandefect,makeabatteryperformanceandlifehavebeenaffected,mainperformanceforbatteryfailure,earlyleakagewaterloss,deformationcracks,etc.
Forsimpleascendingbatterycapacity,willthebatteryplatethin,andincreasethenumberplate,makesthesamevolumeofthecasingelectrolytereactionareagreatlyincreased,capacityimprovesoon,butbecausethinplate,plateeasilycorrosion,softeningbattery,servicelifeandthereforegreatlyshorten,easytoproducetheearlyfailureproblems.
Becauseofthelowpressuresetting,chargeoncetoacertainpressure,controlvalveswillbeopen
Rev.,gasisthroughthevalvewereleaked,causethebatteryfluidloss(usuallyinaholeoracolumnvalvewillfindaslightlydampneartheliquid),thiskindofbatteryalsoeasytoproducetheearlyfailure,valvepressuredesignandmaterialalsohasadirectrelationshipbetweentheshell.
Duetoshellmaterial,oxygencompositeefficiency,valvedesignpressure,andothercomprehensivetechnologylack,somebatteriesintheprocessofcharginganddischargingpool,easytoproducetheshelldeformation,beatevencrack.
1.2theinfluenceoftheoperationenvironment
Runningenvironmentisthemainroomtemperatureonbatterylifeinfluenceisbigger,in25℃environmentconditions
theenvironmentalaveragetemperatureincreaseevery10℃,batterylifeisreducedbyhalf.Northwesttemperaturechangesgreatly(a30℃a+55~C),thesubstationtelecommunicationroomlessequippedwithairconditioner,thermalperformanceispoor,temperatureonbatterylifeformdirectlyinfluence.
1.3operationmodeandinstallationmethod
Batterypacksaregenerallymorebatteryseriesintoagroup,twogroupsofparalleloperation.Siteoften
Foundintheinternalbattery,articleconnection(board)cornerofbatteryperformancegenerallyhaveslightlyworse,themainreasonisthearticleconnectiontoolong(otherconnectionisthearticle5al0times)andthematerialsofthecontactresistancecausedtoolarge,leadtotheconnectionofpressuredroparticleistoobig,intheprocessofcharginganddischarging,willseriouslyaffectperipheralbatterycharginganddischargingeffect,thiskindofproblemshouldbeavoided.
1.4thequalityofpowersupplyandloaddesignproblem
Thetelecomroomislocatedinremotegeneraltransformersubstation,oftenwithoutpowerandthebatteryinfrequentcharged,anddischargestatus,theseriousinfluencebatterylife.Computerroomloadrelativetothebatterycapacityareslantssmall,suchastheactualloadfor30A,communicationsequipmentconfigurationofbatterycapacityiscommonlytwogroupsof300Ah,theutilityafterinterrupting,storagebatterywilltotinycurrentbegantodischarge,andsmall
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