印度某MW电厂电气作业指导书65

battery第18页共18页InstructionforinstallationandtestThebattery1.Relateddocumentationsandstandards1.1.TheChinesestandard(GB50172-92):Codeforconstructionandacceptanceofthebattery1.2.TheChinesestandard(GB50150-91):Standardforhand-overtestofelectricequipment1.3.TheChinesestandard(DL408-91):Operationcodeforpowerplantsafety1.4.TheChinesestandard(DL560-95):Operationcodeforelectricsafetyinhighvoltagelaboratory1.5.TheChinesestandard(DL/T5043-95):Designstandardforelectricallaboratoryofthermalpowerplant1.6.TheChinesestandard(DL/T5161.9-2002):Specificationforconstructionqualitycheckoutandevaluationofelectricequipmentinstallation2.Receiptandstorage2.1.Examinethestateofthedevicesandthematerialsreceivedtocheckthatitcorrespondswithwhatwasordered.2.2.Checkallpackagesforexternalsignsofdamage.2.3.Pleasecheckconditionandqualityofthedevicesandthematerials,andcomparethemwiththepackinglist.2.4.Ifonunpacking,whichmustbecarriedoutcarefully,anydamageorirregularityisnoted,notifythiswithindefiniteperiodofreceiptofthegoods,notificationmustindicatetheshippingnotenumber.2.5.Ifthedevicesistobestoredforevenshortperiodsbeforebeingputintoservice,afterreceiptitisadvisabletoputitbackintoitsrelativecontainerandcoveritwithawaterprooftarpaulin.Useadryanddust-freeambientforstoragewithoutanyaggressivechemicalagents.Placethedeviceandanyfixedpartonahorizontalsurfacenotindirectcontactwiththefloor,butonasuitablesupport.2.6.Selectalocationforthedeviceinaclean,dry,vibration-freeareawithmoderatetemperature.2.7.Withregardtolifting,followtheseinstructions:thedevicesmustbeplacedonasturdysurfaceandpreferablyliftedusinganappropriateliftingforktruck.Theuseofropesis,however,permitted:inthiscasetheliftingropesmustbehookedfirmly.2.8.Constructionofacid-prooforalkali-prooffloorandplatformtosetthebatteriesshouldbecompleted.3.Installation3.1Constructionprocedureofthebatteries:Constructionpreparation,safetytechnology;Civilconstructioncheckandacceptance;Batteryearthquakeresistantsupporterection;Openthebatteryboxesandcount;Openchargingcabinetanddirectcurrentpanelboxesandcount;Positionandfixthebatteries;Connectthebatteries;Checkthebatterygroupintegrally;Firstchargingofthebatteries;Chargingofthebatteries;Dischargingofthebatteries;Chargingofthebatteriesagain;Putbatteriesintooperation.3.2.Checkandacceptthecivilconstructioncondition:3.2.1.Checktheburiedpipesforthecables.Locationofthepipesshouldbeaccurateandthecablepipesareanti-corrosivechemically.3.2.2.Checkpositionandelevationofburiedironsinthecabinetfoundationsaccordingtothedrawings.3.3.Qualitystandardsinstallingthebatterybenchesareasshownintable3.3.Table3.3.:InstallationofthebatterybenchesExaminationitemspropertyQualitystandardsMethodsandtoolsofexaminationExaminationoftheconcretebenchesExaminationoftheacid-proofporcelainbricksonsurfacesComplete,withoutdamageInspectionSmoothnessonsurfaceSmoothFilleringapsbetweentheporcelainbricksAcid-proofmaterials,withoutseamandcrackDimensionofthebenchesInaccordancewithdesignstipulationCheckdependonthedesigndrawingsHorizontalerrorofthebenches≤±5mmCheckbyalevelgaugeInstallationofthemanufactorybenchesDimensionofthebenchesInaccordancewithmanufactorystipulationCheckdependonthemanufactorydrawingsPaintofthebenchesComplete,withoutpeelInspectionInstallationmannerInaccordancewiththemanufactorystipulationFixtureofthebenchesMainSolidPullHorizontalerrorofthebenches≤±5mmCheckbyalevelgauge3.4.Examination,transportationandstorageofthebatteries.3.4.1.Usesuitabletoolssuchasclawhammer,clawbarandetc.andtakecarenottodamagetheequipmentsintheboxes.3.4.2.Thetechnicaldocumentsshouldbecomplete,typeandspecificationofthebatteriesconformtothedesigns,attachedpartsarecompleteandcasesareintactwithoutcrackordeformation.3.4.3.Positiveandnegativepolepillarsmustbecorrectwithoutloosenessandthecomponentsinsidethecasesareintact.3.4.4.Thespanningconnectiveboards,bolts,nutsandwashersshouldbecomplete,enoughandwithoutcorrosion.3.4.5.Theequipmentsshouldbehandledgently.Canusesuspendingbandsorspecialcartsfortransportthebatteriesafteropentheboxes.Itisn’tpermittedtousewireconnectionpillarsashooks.3.4.6.Thebatterystorageandserviceroomsmustbekeptdrywithgoodventilation.Thetemperatureinsidetheroomshouldbeat25±10℃,therelativehumiditynomorethan75%.Itisstrictlyforbiddentostoreacidicbatteriesandalkalibatteriesinasameroom.3.4.7.Thesurfaceofbatterymustbekeptcleananddry.Ifthereisanyrustspotontheironcaseormetallicparts,theyshouldbecleanedoffgentlybyusingdippedwithelectrolyteintime,andpaintathincoatofantirustgreaseorvaselinethereafter.3.5.Checkthechargingcabinetsanddirectcurrentpanelsafteropentheboxes.3.5.1.Thechargingcabinetanddirectcurrentpanelshouldconformtothedesignrequirement,anditsattachedassemblies,spareparts,andtechnicaldocumentsarecomplete.3.5.2Theequipmentcomponentsonthepanelshouldbeingoodcondition,thearrangementpositionofdirectcurrentbusandcontrolsmallbusconformtotheworksiterequirement.3.6.Erectionanddebuggingofchargingcabinetsanddirectcurrentpanels.3.6.1.Erectthesteelchannelbeamsofthedirectcurrentsystemaccordingtothedrawings.3.6.2.Thesteelchannelbeamiserectedonthesteelplatefoundationpre-buriedduringthecivilconstruction.3.6.3.Putpanelsandcabinetsofthedirectcurrentsysteminplacessuccessivelyaccordingtothedrawingsanderect,adjustandfixthemaccordingtotherelativecodes.3.6.4.Proceedtodebugaccordingtotherequirementofthedirectionsofthemanufacturer.Thewaysofmanual,steadycurrent,steadyvoltagechargingshouldbetestedbeingingoodstate.3.6.5.Thepowersupplyofthechargingcabinetmustbereliable,phaseordercorrect.Thedevicesusedforchargingandthepowersupplyshouldhavespares.3.6.6.Thewireconnectionofdirectcurrentpanelshouldconformtothedesignrequirement.Allthecircuitsofoperation,control,signal,protection,measurementinstrument,etc.mustbeundergonetheoperationtestandprovedingoodorder.3.7.Batteryerection3.7.1.Checkbatterybeforeerection.Thecaseandcovershouldbeintact,noliquidleakageandmechanicaldamage;theattachedarticles,suchasgasstopper,nuts,plete;thefasteningarticlescontacttight;thesealingonthetopofgasstopperhasbeenremoved.3.7.2.Transportthedirectcurrent220Vbatteriesandtheirattachedarticlesintovariousbatteryrooms,andputtheminplaceandfixthemontheearthquake-resistantsupportaccordingtodrawings.3.7.3.Thebatteryerectionmustbesmooth,theheightofthebatteriesinthesamelinemustbeidentical,andarrangedneat,thedistancebetweentheadjacentbatteriesshouldnotbelessthan50mm,andthedistancebetweentwobatterylinesis150mm.Thesideofeachbatterywherethespecificdensitythermometerisinstalledshouldbearrangedbythewalkwaysothatthebatteriescanbeeasilyobservedandinspected.3.7.4.Cleanawaythedirtonthebatteryterminalandspanningboard,usefinesandpapertocleartheircontactsurface.Connectthebatteriesbyusingspanningboardsandcableaccordingtodrawings.Inconnectingthebatteries,useavoltmetertocheckthepositiveandnegativepoleofeachbattery,ensuringthecorrectnessofthebatterypoles.3.7.5.Makeseriesconnectionofthebatterygroupbyusingspanningboards.Inconnecting,thepositivepoleofthefirstbatterygroupisconnectedtothenegativepoleoftheadjacentbatterygroup,andsoon.Finally,connecttheremainingpositivepoleoftheentirebatteryseriesgrouptothepositivepoleoutletlineofthechargingpowersupply,andthenegativepoletothenegativepoleoutletofthechargingpowersupply.3.7.6.Thebatteryshouldnotbeknockedbymetallictool.Inscrewingthenuts,thetoolisnotallowedtotouchthepositivepoleandthenegativepoleofthebatteryatthesametime.Thebestwayisusinginsulatingclothpadtoisolatethemorwrappingthewrenchwithinsulatingcloth.Theironcasebatteryshouldavoidthecaseofitbeingintouchwithanegativepolepillar,forfearlestshortcircuitoccurs.3.7.7.Beforeerectingtheendingspanningboardandconductingthebatterysystem,shouldchecktheoverallvoltageandthepositivepoleandnegativepoleofthebatterysystem,ensuringthecorrectnessoferection.3.8.Cablelaying,plasticprotectivepipeerectionandcableterminalconnection.3.8.1.Thestiffplasticpipeisadoptedfortheprotectivepipeofcable,andispre-buriedbeforegroutingthegroundsurfaceinthecivilconstruction.Itspositionmustbeaccurateandtheexposedpartmustbeperpendicular.3.8.2.Laythebatterycableaccordingtothecabledetailedlist.3.8.3.Sheaththeplasticsoftpipeandplasticprotectiveheadsuccessivelyintothecableandassemblythem.3.8.4.Pressandconnectthecopperwirelugs.3.8.5.Inconnectingthecablesofbatterytothedirectcurrentpanels,thecablesofthedirectcurrentpanelstothechargingcabinets,thecircuitswitchshouldbeat"off"position,inthemeantimemustensurethepositivepoleofbatteryisconnectedwiththepositivepoleofthedirectcurrentbusinthedirectcurrentpanels,andthenegativepoleisconnectedwiththenegativepoleofthedirectcurrentbus.3.9.Qualitystandardsinstallingthebatteriesareasshownintable3.9.Table3.9.:InstallationofthebatteriesExaminationitemspropertyQualitystandardsMethodsandtoolsofexaminationExaminationofthecontainersAppearanceWithoutdamageandcrackInspectionListtheaccessoriesCompletePolaritiesofthepositiveandnegativepoleterminalsMainCorrectSealofthecoversTightCleanlinessonsurfacesofthecontainersWithoutdustandgreaseConnectionstripsandtighteningclampersPerfectandcompleteInnerexaminationofthetransparentsealcontainersLevelsoftheelectrolytesMainBetweentwopermittedlevellinesInspectionAppearanceofthepoleplatesMainPerfect,withoutbendandpeelCleanlinessinsidethecontainersClean,withoutimpurityRubberseparatorsbetweenpolesCompleteandperfectExaminationofthedensity-meterandthethermometerInstallationofthecontainersInstallationofthecontainersMainSteadyanduniformInspectandcheckbyaruleBatteriesinsamelineandsamecolumnUniformandneatAnti-earthquakestructuresSolidandreliablePushThermometer,density-meterandliquidlevelgaugeEasyforcheckInspectionConnectionbetweentheterminalsandthestripesMainCorrect,tight,coatelectriccompoundgreaseoncontactsurfacesCheckbyawrenchBatterynumberCompleteandclearInspectionConnectionbetweenthebatteriesandthecablesMainCorrectandtightCheckbyawrenchPolaritymarksonthecableoutletsMainCorrectInspectionSealofthecableholesSealwithacid-proofmaterialsInspection4.Batterycharginganddischarging4.1.Maininstrumentandtools:thermometer(0~100℃),DCvoltagemeters(-3~0~3V),(0~300V),DCamperemeter(0~100A),dischargeresistor,chargerdevice.4.2.Thefirstcharginganddischargingshouldproceedinaccordancewiththetechnicalrequirementsoftheproducttechnicaldocuments.Thebatteryshouldnotbeover-chargedorover-discharged.4.3.Intheperiodoffirstcharging,reliablepowersupplyshouldbeensured.Oncethefirstchargingstarts,continuouschargingmustbekeptfor25hourswithoutpowersupplyinterruption.4.4.Beforecharging,theliquidsurfaceheightofthebatterymustberechecked.4.5.Afterpouringinliquid,thebatteryshouldbeplacedstillfor3~5hours,tillthepoleboardsaresaturated,thefirstcharginganddischargingstartsatonce.4.6.Thechargingtemperatureisgenerally20±10℃,thetemperatureofelectrolyteshouldnotbeover45℃.Ifitisover45℃,thechargingshouldbestopped,orreducethechargingcurrent,ortakesomecoolingmeasures,tillitiscooleddown,thenchargeitagain.4.7.Inchargingthebattery,lightingfiremustbekeptfaraway.4.8.Inchargingthebattery,thecorrectnessofchargingcurrentandwellenoughchargingtimemustbeguaranteed.4.9.Thechoiceofvariouschargesystem.4.9.1.Generally,thebatteryischargedbyadoptingnormalchargesystem.4.9.2.Inurgentneed,thequickchargesystemisadopted.4.9.3.Itmustbechargedbyadoptingoverchargesystem,ifthebatteryhasoverdischarged,reversechargedwithlittlecurrentdischarging,intervaldischargedorthebatteryhasbeenusedforalongperiodoftimeanditsvolumeisnotenough.4.9.4.Thebatterythathasbeenlaidasidefor1～3monthsaftercharging,shouldbegivensupplementarycharge.4.9.5.Thebatterycanbecutofffromtheload,andusemanualchoicetomakeboostchargingifnecessary.4.9.6.Whenthebatteryisparallelconnectedwiththeloadandworksasasparepowersupply,itwillbechargedbyusingfloatchargesystem.4.9.7.Whenthefloatchargingisstopped,afterthebatterysupplyingchargewithpower,thebatteryshouldbechargedbyadoptingbalancechargesystem,thenturntofloatchargesystemforcharging;forthebatterythathaslongbeenunderthecircumstanceoffloatcharging,itshouldbechargedinbalancechargesystem1～3timeseachyear.4.10.Intheperiodoffirstcharging,shouldcheckthechargingcurrent,batterygroup'soverallvoltageandcurrent,thevoltage,densityandtemperatureofeachsinglebatteryonceeveryhour,andmakerecordofthem.4.11.Indischarging,thecurrentisappliedtothedischargeresistorofdirectcurrentpanel,dischargingcurrentshouldbekeptsteady,iftheresistoronthepanelisnotenoughtouse,themethodofparallelconnectionofresistorscanbeusedtoincreasedischargecurrent.4.12.Intheprocessofdischarging,shouldperiodicallymeasurethecurrentvalueofdischarging,theterminalvoltageandcurrentofthebattery,voltage,densityandtemperatureofeachsinglebattery,andmakerecordofthem.4.13.Whenthebatteryreachesthedischargeendvoltageandtime,thedischargeends.4.14.Recharge:Whenthedischargeends,thebatteryshouldberechargedatonce.Thelongestintervaloftimeshouldnotbemorethan10hours.4.15.Qualitystandardsofchargeanddischargeforlead-acidbatteriesareasshownintable4.15.Table4.15.:Chargeanddischargeforlead-acidbatteriesExaminationitemspropertyQualitystandardsMethodsandtoolsofexaminationFirstchargeStatictimeafterinjectelectrolyte3~5h.CheckchargerecordsTimefrominjectacidtofirstcharge<8h.Permittedliquidtemperatureinchargesequence<45℃CurrentvaluesChargewithconstantcurrent(A)MainLessthanmaximumofmanufactorystipulationCheckbyaampere-meterandavolt-meterChargewithconstantvoltage(V)MainLessthanmaximumofmanufactorystipulation,andvoltageofeachsinglecellshouldbelessthan2.4VFirstchargetimeineachstageInaccordancewiththemanufactorystipulationCheckchargerecordsNecessarytimesupplyingpowercontinuouslyfromfirstcharge≥25h.FinishoffirstchargeChargecapacitiesMainReachstipulationvaluesofthemanufactoryCheckchargerecordsChargemethodwithconstantcurrentVoltageofthebatteriesConstantin3hoursCheckchargerecordsDensityofelectrolyteConstantin3hours,productmuchbubblesChargemethodwithconstantvoltageChargecurrentConstantin10hoursDensityofelectrolyteConstantin3hoursBatteryvoltageanddensityMainInaccordancewiththemanufactorystipulationCheckbyaDCvoltmeterandadensity-meterAgainchargeDensityandlevelofelectrolyteinthebatteriesSameasthatoffirstchargeCheckchargerecordsTimeofagaincharge30min.ExaminationoffirstdischargeCurrentandtimeofdischargeInaccordancewithmanufactorystipulationCheckdischargerecordsDischargecurrentwithoutmanufactorystipulationCurrentof10h.dischargeratioVoltageanddensityofthebatterieswhenfinishdischargeMainInaccordancewiththemanufactorystipulationCheckbyaDCvolt-meterandadensity-meterDifferencesbetweenvoltageofthebadbatteriesandaveragevoltageofthebatteriesMain≤2%CheckdischargerecordsNumberofthebadbatterieswhichvoltageexceedstandardsMain≤5%CheckdischargerecordsExaminationofthedischargecapacitiesat25℃MainMorethan85%ofratedcapacityVisualexaminationofthepoleplatesWithoutbendandpeelInspectionStatictimefromfinishdischargetoagaincharge≤10h.CheckchargeanddischargerecordsIntegralexaminationDischargecapacityin5cyclesofchargeanddischargeat25℃Morethan95%ofthecapacityat10h.dischargeratioCalculateaccordingwiththechargeanddischargerecordsRecordsofmeasurementandtestinchargeanddischargesequenceMainCompleteandcorrectCheckchargeanddischargerecordsDrawthechargeanddischargecharacteristiccurvesCorrectCheckthecurvesExaminationofthecharacteristiccurvesSameasthemanufactorycurvesCheckandcomparethecurves5.Puttingintoservice5.1.Generaldescription5.1.1Whenfinishedwiththeoriginalinstallationandallmodifications,conductacompleteoperationtestontheentireinstallationtoverifycompliancewithapplicablestandards.Testingshouldbeconductedbyafactory-trainedtechnicianinthepresenceofarepresentativeofthemanufacturerandtheowner’srepresentative.Followproceduresoutlinedintherelatedstandard.5.1.2.Periodictestingandservicingofthesystem,alldevices,andanyotherassociatedequipmentisessentialtoensureproperandreliableoperation.Testandservicethesystemandthedeviceaccordingtotheschedulesandproceduresoutlinedinthemanufacturer’smanuals.5.1.3.Betweenformalperiodictestingandservicingintervals,therelatedoperationchecksshouldbeperformedfordefiniteperiod,orfrequentlywhenrequiredbytheowner.5.2.Underthecircumstancesthatthebatteryisnotconnectedwiththeoutercircuit,usehighinnerresistancevoltmetertomeasuretheinsulationofbatterytotheearth.5.3.Afterthebatteryisconnectedwiththedirectcurrentpanel,measuretheconditionofthebatteryinsulationtotheearthbyusingthemeasuringdeviceonthepanel.5.4.Putthecontrol,signal,protective,measuringdevicesintooperation.5.5.Putthebatteryfloatchargedeviceintooperation.5.6.Therecordsformeasurechargeparametersofthebatteriesareasshownintable5.6.Table5.6.:RecordsformeasurechargeparametersofthebatteriesProjectnameNumberoftimesforchargeBatterytypeRatedcapacity(Ah)Ratedvoltage(V)BatterycharacteristicMediumconditionNumberofthecellsManufactoryManufacturenumberManufacturedateCellnumberVoltage(V)Liquidtemperature(℃)Density(g/m3)CellnumberVoltage(V)Liquidtemperature(℃)Density(g/m3)123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120Chargecurrent(A)Chargevoltage(V)Ambienttemperature(℃)TesttimeTesterSignatureDateConstructiongroupConstructionteamQualitydepartmentSupervisorydepartment5.7.Therecordsformeasuredischargeparametersofthebatteriesareasshownintable5.7.Table5.7.:RecordsformeasuredischargeparametersofthebatteriesProjectnameNumberoftimesfordischargeBatterytypeRatedcapacity(Ah)Ratedvoltage(V)BatterycharacteristicMediumconditionNumberofthecellsManufactoryManufacturenumberManufacturedateCellnumberVoltage(V)Liquidtemperature(℃)Density(g/m3)CellnumberVoltage(V)Liquidtemperature(℃)Density(g/m3)123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120Dischargecurrent(A)Dischargevoltage(V)Minimumvoltageofcells(V)Ambienttemperature(℃)TesttimeTesterSignatureDateConstructiongroupConstructionteamQualitydepartmentSupervisorydepartment5.8.Chargeanddischargecharacteristiccurvesofthebatteriesareasshownintable5.8.Table5.8.:ChargeanddischargecharacteristiccurvesofthebatteriesProjectnameBatterytypeRatedcapacity(Ah)Ratedvoltage(V)BatterycharacteristicMediumconditionNumberofthecellsManufactoryManufacturenumberManufacturedateChargecharacteristiccurveofthebatteriesVoltageofthebatteriesbeforecharge(V)Firstchargecurrent(A)Chargevoltage(V)DischargecharacteristiccurveofthebatteriesDischargecurrent(A)Dischargetime(h)Finalvoltageofthesinglecells(V)Dischargecapacity(Ah)SignatureDateConstructiongroupConstructionteamQualitydepartmentSupervisorydepartment5.9.Measurementrecordsfortechnicalparametersofthebatteriesareasshownintable5.9.Table5.9.:MeasurementrecordsfortechnicalparametersofthebatteriesProjectnameBatterytypeRatedcapacity(Ah)Ratedvoltage(V)BatterycharacteristicMediumconditionNumberofthecellsManufactoryManufacturenumberManufacturedateCellnumberVoltage(V)Liquidtemperature(℃)Density(g/m3)CellnumberVoltage(V)Liquidtemperature(℃)Density(g/m3)123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120InstrumentnameInstrumenttypeInstrumentspecificationInstrumentnumberTesterSignatureDateConstructiongroupConstructionteamQualitydepartmentSupervisorydepartment5.10.Examinationrecordsforchargeanddischargeofthebatteriesareasshownintable5.10.Table5.10.:ExaminationrecordsforchargeanddischargeofthebatteriesProjectnameBatterytypeRatedcapacity(Ah)Ratedvoltage(V)BatterycharacteristicMediumconditionNumberofthecellsManufactoryManufacturenumberManufacturedateExaminationitemsResultsRemarkCircumstanceinbatteryroomsCorrosionproofinbatteryroomsVentilationinbatteryroomsLightinginbatteryroomsEmergencysafetyequipmentsSealofholesinbatteryroomsAppearanceofthebatteriesNumbersofthebatteriesCoatelectriccompoundgreasebetweentheconnectionterminalsSpecificationsoftheconnectionboltsTighteningtorquesofthebolts(Nm)PhasecolormarksofthebatteriesInsulationresistanceofthebatteriestoground(MΩ)WithoutbendanddeformationonthepoleplatesFirstchargevoltage(V)Firstchargecurrent(A)Voltageofthebatteriesaftercharge(V)Densityoftheelectrolyteaftercharge(g/m3)Dischargecurrentofthebatteries(A)Minimumvoltageofthesinglecellsafterdischarge(V)Dischargetimeofthebatteries(h)Dischargecapacityofthebatteries(Ah)DensityoftheelectrolyteafterchargeanddischargeLiquidleveloftheelectrolyteafterchargeanddischargeExaminationconclusionAcceptanceopinionSignatureDateConstructiongroupConstructionteamQualitydepartmentSupervisorydepartment6.Safetyprecautions6.1.Theinstallationhastobecarriedoutbyqualifiedpersonalfollowingtheinstructionofthemaker.Onlyqualified,authorizedpersonsshouldcarryoutelectricalwork.Wiringshouldbeperformedb