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文档格式.docx

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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,andsmalldischargecurrentgenerationofsulfuricacidleadparticlesiseasytocrystallizationintopiecesandEtelecommunicationroomaregenerallyruralpowersupply,thequalityofpowersupplyisnotstable,poweroverAlongperiodoftime,poweroutagesfrequent,sulfuricacidleadparticlesgeneratedmoreeasilyirreversiblesulfate.

1.5professionaltestingmethodsandlackofequipment

Inthedischargedetection,duetolackofmonomerdetectionequipmentprotectionfunctions,therefore,indischargeonlybythegroupwhenvoltage

observation,combinedwithmanualmeasuringforinspection.Finda1.8vbattery,immediatelysuspendtest.Thiswaylowefficiency,safetyallthesexdifferences,tothebatterycan'

tformaneffectiveprotection.

Thebatterycharacteristicparametersaremainlyembodiedinthevoltage,resistanceandcapacity,theconventionaldetectionmethodmainlymeasuringvoltage,observetheshellsigns,checkthebolttightnessetc.Sothatonlysomerepresentationstotheparameter,andcannotmaster'

simportant!

Parameterssuchasresistance,capacity,etc.

1.6charger,dischargemanagementsystemisnotperfect

Rechargingproblemsmainlyinvolvestochargecycle,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.Testingandmaintenanceprogram

2.1replacementhasseriousdegradationthebatterypacks,strengthentheselectionofthebattery

TofindBicanhavedepthdegradationandaseriousthreattothesecurityofthebatterypowersupplysystem

Groupsshouldbeearlychange,andstrengthenthebatterytechnologyselection.Processqualityproblemisthefocusoftheselectionconsiderbattery,thebatterycanbebasedonstandard,batterymakerstoraisespecifictechnicalrequirements,suchasofthematerials,valvepressure.,platethickness,quantity,voltage,resistanceSui,balancedequilibriumcharacteristics,oxygencompositeefficiency,waterlossrate,forthroughtheacceptancetestcandetectproject,mustconducttestontheseworkcanbefurtherensurethereliabilityofthebatteryforlong-termuse.

Vrlabatteriesforproductiontechnologyisstrict,atpresentdomesticbatterylife

Manufacturersinthemorethan300,allsortsoftechnologyofhandicraftisvarious,theproposalisinbeforepurchase,thebatteryrigorousscreening,asfaraspossiblechoicecompleteproductionequipment,strongtechnicalforce,servicefacilities,perfectbrandenterprise.,

2.2strengthenearlybatterytest,improvebatterysupportabilityofputintooperation

Atthebeginningofthestoragebatterycheckisaveryimportanttestinglink,thebatterytechnologystandards

Inearlytocheckthebatteryhasaclearrequest,theengineroomoftheelectricpowercommunicationbatteryinstallation,runandmaintenanceandmanagementisofimportantsignificance.Forthespecificrequirementsoftheearlybatterycheckis:

batteriesbeforeputintooperation,thefirstfirstchecksexdischarge,itscapacityshouldbenotlessthan95%,afterthecompletionofthedischargetothebatterycharge;

Filled,aquietplace1-2h,makeasecondchecksexdischarge,afterthecompletionofthedischargeofbatterycharge;

Filled,aquietplace1~2h,thirdcheckBidischarge,itscapacityshouldbenotlessthan100%,afterthecompletionofthedischargetochargethebattery.

2.3maintenancechangeideas,strengthenthebatterypowersupplyofprofessionalmonitoringmanagement

Professionalcentralizedmonitoringsysteminthetraditionalmonitoringsystembasedonthefunction,increasethestorageofelectricity

Poolmonomerbatteryvoltage,resistanceandchecktestfunctions,themoretheearthplayedamonitoringmanagementfunctions,improvethemaintenanceefficiency.

Implementingspecializedmonitoring,andotherinstallationcommonmonitoringornotpackmonitoringcommunicationsequipmentphase

Than,thepowersupplyratereducedgreatly,foundthatthe