讲义分析成果1acfc

AFirstDOC.PYX17LBM006DDS045GN110VDCPOWERSUPPLYCHAPTER PKX17LBM006GDS045GNA:B:XC:Issued ThisisthepropertyofGEDI.Itmustnotbeused,reproduced,transmittedordisclosedwithoutthepriorwrittenpermissionofGEDI.本文件之属于省电力。未获我院，任何人不得擅自使用、、传递或该文件。ModifyAControlSelectionofEqualization-OntherestorationofACpowerafteratemporarylossofpowerchargerwillautomaticallyswitchtotheequalizationmode,toensurethebatteryisrechargedafterapartialdischarge.-Iflong-termfloatingchargehavelastfor3months(0~12monthsadjustable),chargerturninto“equalizingcharge”modeautomatically.SelectionofTheselectionofboostismanualandtheloadisdisconnectedfromthebatterybeforeboostis.6.2LogicSeeogSeeComputerizedcontrolandinformationavailabletotheComputerizedIDchargerfaultY√—Aoverandundervoltage110VDCY√—AundervoltageY√—AfaultofY√—AearthY√—AfuseY√—AfeederbreakerY√—AbatterystartofY√—AcentralmonitoringcontrollerY√—AfaultofDCY√—AComputerizedcontrolandID 850JA√--A 850JA664JA√--A664JA 851JA√--A 851JA665JA√--A665JA√--AER√--A√--AID—√--A—√--A—BUSA√--A—BUSB√--A—√--A—√--AConventionalcontrolandinformationavailabletotheConventionalIDKICUnitUnitOFDC—YAYAoverandYAYAfaultofYAearthYAfuseYAYAIDKICUnitUnitstartofYAYAConventionalcontrolandIDACHARGERAACHARGERAISOLATORALAMPAAAAABUSAABUSBAAACHARGERAIDCHARGERERAOUTGER664JAAOUTGER664JAAER851JAACHARGERERACHARGERAOUTGER665JAAAERA521JSCLOSEDA521JSOPENA701JACLOSEDA701JAOPENAAAAAAAIDAAAAOperatingStart-upThentisinthefollowingstatepriortostart-BothchargerLBM101RDandLBM201RDareavailableinthefloatmode.LBM850JA,LBM851JAopenLBM664JA,LBM665JA,LBM521JSandLBM001JSDistributionboardfeederbreakersLBM711JA,LBM712JA,LBM713JA,LBM714JA，LBM715JA,LBM716JA,LBM717JAandLBM718JAopen.Sub-distributionboardfeederbreakersNormalStart-upusingChargerLBM101RDandCheckthatthetwo380V3phase50HZmainssupplyareCloseLBM101RDAC ingswitch850JA,ensurethatthevoltageofthreephaseis380V.Closeallthe ingswitchofthechargermodule,about5s,the“normal”lampislightandtheoutputvoltageslowlygoupuntildisying“floating,normal,voltage116V,current00.00A”,whichdenotechargemoduleisnormal.CloseSetkeyswitchLBM503CCtothe“boost”positionandsetthechargerto“boosting”onthecentralmonitoringcontroller,about5s,“DCOutput”voltageonLBM001IDisatboostingvoltage135.2V.NotethatthevoltmeterLBM001IDislocatedonLBM101RD.ReturnLBM503CCtothe“floating”position..CloseCloseLBM201RDAC ingswitch851JA,ensurethatthevoltageofthreephaseis380V.Closeallthe ingswitchofthechargermodule,about5s,the“normal”lampislightandtheoutputvoltageslowlygoupuntilldisying“floating,normal,voltage116V,current00.00A”,whichdenotechargemoduleisnormal.CloseClosepowerbreakersofcentralmonitoringClosepowerbreakersofinsulationClosepowerbreakersoffeederstatusmonitoringClosedistributionbus-barinterconnectionisolatorLBM521JSandconnectloadsasrequiredbyclosingbreakersLBM711JA,LBM712JA,LBM713JA,LBM715JA,LBM716JAandBatteryinitialAfterfilling,keepthebatterystand-byfor6~12hours.Chargewhenthetemperatureoftheelectrolyteiscooleddownbelow30℃.Priortocharge,screwthefunnelplugontothecell.Chargethebatteryat0.05C10Afor60-Duringcharging,thetemperatureofelectrolyteshouldbekeptbetween15℃and40℃.Thehighesttemperaturecannotexceed45℃.Ifexceeding,reducechargingcurrentorstopcharging.Startagainonlywhentheelectrolyteiscooleddown.-Duringinitialcharging,recordthechargingcurrentandtotalvoltageatonehourinterval.Attheendofcharging,measurecellvoltage,electrolytedensityandtemperature.-Whentheinitialchargeisnearingtheend,adjusttheelectrolytedensityto1.24±0.01g/cm3(20℃),andtheleveluptothehighestmark.DistributionCheckiftheinsulationcontrolleralarmiscorrectlyShutdownNormalShutdownOperation-LBM101RDonlineInitialconditions:ChargerLBM101RDandLBM201RDinfloatmode,supplyingDistributionBoardbreakersasloadrequirementsToShutdownSystem: LBM716JALBM717JAtoisolateallOpenOpenLBM001JStodisconnectOperationsintheCaseofand/orWhenoneofchargemoduleisfault,itcanbeinsteadedelectriferous.Whenthewholegroupisfault,thebatterywillprovidetherequiredloadforadesignedoperatingperiodofonehour,untilthefaultchargerisrecedbythestandbycharger.Thestandbychargerwillthenprovidetherequiredloadandfloatcharge,orequalizationchargerifthefailureofthechargerwascausedbythefailureofthe380VACpowerandthelastingtimeexceed6min..Ifbothchargersfailthenthebatterywillprovidetherequiredloadforadesignedoperatingperiodofuptoonehour.OperatoractionintheeventoftheotherdesignatedalarmsfunctioningisgivenThisalarmiscausedbyeithermainsfailureofthetwochargersorthemselvesfailure.courseduringthebatterydischargetestthisalarmwilloccurbuttheoperatordon’tIfthealarmiscausedbytwochargersfailure,isolatethefaultychargerandrectifythefault.Infactthisawfulfaultwillnotoccurforevermorebecauseofusemodularizinghigh-frequencyswitchIfthealarmiscausedbymainsfailureofthetwochargers,theoperatorshallawaitthereturnofthemains,oruntilthelowbatteryvoltsalarmoccursonwhichmanualpriorityloadisolationshouldbeOver-voltageonThisalarmiscausedbyoneorbothofcharger’sover-Ifthealarmiscausedbyoneofcharger’sover-voltage,theoperatorshouldopentheoutputbreakers664and665inordertolookupwhichchargerisover-voltage.,Duringthiscoursebatterydischargetomaintaintheloaduntilreturningtheoutputbreakerofnormalchargertoclose.,Thusthefaultychargercanberectified.Ifthealarmiscausedbytwoofcharger’sover-voltage,theoperatorshouldopentheoutputbreakers664and665inordertorectifyfault.,Duringthiscoursebatterydischargetomaintaintheload.IfnecessarythemanualpriorityloadisolationshouldbeperformedtoavoidexcessivebatteryLowBatteryThisalarmoccurundermainsfailure/chargerconditions,orduringthebatterydischargetest,whenthebatteryhasdischargedtoapre-determinedvoltage93.5V.Ontheoccurrenceofthisalarmtheloadshouldbeisolatedtoavoidahazardousbatterydischargecondition.EarthOnoccurrenceofthisalarmthefaultshallbelocatedbytheinsulationsupervisorandberectifiedbytheoperator.PowerSupplyFailureNotapplicable.Notapplicable.LackofOnlossofany3