2023學(xué)年完整公開課版Batterydesign

DesignandbudgetofmobilecommunicationengineeringBatterydesignCourseteam:XiaojiZhaoXuelianFangYueqiuDongLiuYang

SHENZHENPOLYTECHNICContents

1Statusofbatteryconfigurationdesign

2Knowledgeofbatterymodel

3Theoreticalbasisofbatterydesign

4Exampleofbatterydesign

5Conclusion1.

StatusofbatteryconfigurationdesignPowerconsumptionstatisticsofbasestationequipmentP=UICalculationandselectionofbatterycapacitySwitchCapacitycalculationandselectionofswitchpowersupplyrectifiermodule220vCapacitycalculationandselectionofACdistributionboxCapacitycalculationandselectionoftransformerCapacitycalculationandselectionofDieselgeneratorPowerlineconfigurationoilwireMainindexesofcommonlyusedVRLAbatteries：CapacityDischargerateRatedcapacityofthebattery(C10):10hourlyratedischargecapacityChargingperformance:Thenewbatterypackshouldbeinitialchargedbeforeuse,at25℃+/-5℃，2.35V；Monomervoltageoffloatingcharge:2.23V～2.27V；Monomervoltageofequalizingcharge:2.30V～2.35V；2.

Knowledgeofbatterymodel6GFM40Monomer

(3:6V;6:12V)Singleset

(2V：twosets:2;threesets:3)

Fixed

VRLASealed

Capacity40AH

2.

KnowledgeofbatterymodelStep1.Powerconsumptionstatistics—batterydischargecurrent

IStep2.Powerofftimeofmachineroom—

TStep3.Roomtemperature—tStep4.Dischargingtime—dischargingcapacitycoefficient

ηStep5.Dischargingtime—batterytemperaturecoefficientαStep6.SafetyfactorK（1.25）Step7.CalculateQ（batterycapacity）Step8.SelectsuitablebatteryconfigurationaccordingtoQandselectableequipmentlist3.

TheoreticalbasisofbatterydesignStep1.

BatterydischargecurrentI=669AStep2.Powerofftime

T=1.5hStep3.Roomtemperature

t=25OCStep4.Dischargingcapacitycoefficient

η=0.65Step5.Batterytemperaturecoefficient

α=0.008Step6.SafetyfactorK（1.25）Actualdemand=rated*0.64.

ExampleofbatterydesignDCloadstatisticsspecialtyCurrentRecentVoltage（V）CurrentRecentload（A）load（A）Consumption(KW)Consumption(KW)Transmission136.7353.7-486.617.0Data172.5392.3-488.318.8Switching232.1315.5-4811.115.1Total（rated）54110612651ActualdemanatterydischargecurrentISelectionofDCbatteryLoadperiodLoadcurrentBackuptimeDischargingefficiencyofbatteryBatterycapacityAHAHCurrent3411.50.65983Recent6691.50.651929Thebatteryisusuallyinstalledintwosets,andtheratedcapacityofeachsetisselectedaccordingtoQ/2,thetotalcapacityofthetwosetsofbatteriesisslightlylargerthanQ。Thatis,twosetsof1000AHbatteriescanmeetthepowerdistributionrequirementsofthemachineroom。4.

ExampleofbatterydesignThecorrectstatisticsofthepowerconsumptionofbasestationequipmentisthepremiseofallpowersystemequipmentdesign；Batteryconfigurationdesignisinseparablefromthecontrolofbatteryequipmentparameters；Powerdesignmustfollowtheprincipleofco