電化學儲能能量管理關鍵技術KeyTechnologiesforElectrochemicalEnergyStorageEnergyManagement《儲能技術概論》《EnergyStorageTechnology》主講教師：Instructor:

CONTENTS電化學儲能能量管理技術的應用ApplicationsofElectrochemicalEnergyStorageEnergyManagementTechnology01PART電化學儲能能量管理技術ElectrochemicalEnergyStorageEnergyManagementTechnology電化學儲能能量管理技術的發(fā)展DevelopmentofElectrochemicalEnergyStorageEnergyManagementTechnology02PART03PART目錄電化學儲能能量管理技術的應用ApplicationsofElectrochemicalEnergyStorageEnergyManagementTechnologyPART01一、電化學儲能能量管理技術的應用ApplicationsofElectrochemicalEnergyStorageEnergyManagementTechnology電力系統(tǒng)PowerSystem在電力系統(tǒng)中，電化學儲能主要用于電網調峰、調頻、調壓等輔助服務，提高電力系統(tǒng)的穩(wěn)定性和可靠性。Inthepowersystem,electrochemicalenergystorageismainlyusedforauxiliaryservicessuchasgridpeakshaving,frequencyregulation,andvoltageregulation,improvingthestabilityandreliabilityofthepowersystem.分布式能源系統(tǒng)DistributedEnergySystem電化學儲能可以應用于分布式能源系統(tǒng)中，實現(xiàn)能源的儲存和調度，提高能源利用效率和可靠性。Electrochemicalenergystoragecanbeappliedindistributedenergysystemstoachieveenergystorageanddispatch,improvingenergyutilizationefficiencyandreliability.電力系統(tǒng)PowerSystem電化學儲能系統(tǒng)可以在電網負荷低谷時充電，在電網負荷高峰時放電，平衡電網供需。Electrochemicalenergystoragesystemscanchargeduringlow-loadperiodsofthepowergridanddischargeduringhigh-loadperiods,balancingthepowergrid'ssupplyanddemand.一、電化學儲能能量管理技術的應用ApplicationsofElectrochemicalEnergyStorageEnergyManagementTechnology1.電池技術BatteryTechnology提高電池的能量密度、功率密度、循環(huán)壽命和安全性是電化學儲能技術的關鍵挑戰(zhàn)Improvingtheenergydensity,powerdensity,cyclelife,andsafetyofbatteriesisakeychallengeforelectrochemicalenergystoragetechnology.2.儲能系統(tǒng)設計與優(yōu)化EnergyStorageSystemDesignandOptimization:設計高效的儲能系統(tǒng)，包括電池模組、電池管理系統(tǒng)、電力電子變換器等，以提高整體系統(tǒng)的效率和可靠性。Designefficientenergystoragesystems,includingbatterymodules,batterymanagementsystems,powerelectronicconverters,etc.,toimprovetheefficiencyandreliabilityoftheoverallsystem.3.成本控制CostControl降低電化學儲能系統(tǒng)的成本是實現(xiàn)大規(guī)模應用的關鍵，需要通過技術創(chuàng)新和規(guī)?；a來降低成本。Reducingthecostofelectrochemicalenergystoragesystemsisthekeytoachievinglarge-scaleapplications.Itisnecessarytoreducecoststhroughtechnologicalinnovationandlarge-scaleproduction.4.梯次利用與回收Second-LifeUseandRecycling:電動汽車等退役電池如何進行梯次利用和回收也是電化學儲能領域需要解決的問題之一。Howtocarryoutsecond-lifeuseandrecyclingofretiredbatteriesfromelectricvehicles,etc.,isalsooneoftheproblemstobesolvedinthefieldofelectrochemicalenergystorage.電化學儲能能量管理技術ElectrochemicalEnergyStorageEnergyManagementTechnologyPART02二、電化學儲能能量管理技術ElectrochemicalEnergyStorageEnergyManagementTechnology將能量管理技術按儲能設備類型可分為電化學儲能變流器系統(tǒng)、電池管理系統(tǒng)和能量管理系統(tǒng)。EnergymanagementtechnologiescanbeclassifiedintoPowerConversionsystem(PCS),BatteryManagementSystems(BMS),andEnergyManagementSystems(EMS)accordingtothetypeofenergystorageequipment.二、電化學儲能能量管理技術ElectrochemicalEnergyStorageEnergyManagementTechnology（一）電化學儲能變流器系統(tǒng)（PCS）powerconversionsystem結構：由交流/直流雙向變流器、控制單元等構成。Structure:ItconsistsofAC/DCbidirectionalconverters,controlunits,etc.原理：PCS控制器通過通訊接收后臺控制指令，根據功率指令的符號及大小控制變流器對電池進行充電或放電。Principle:ThePCScontrollerreceivescontrolinstructionsfromthebackgroundthroughcommunicationandcontrolstheconvertertochargeordischargethebatteryaccordingtothesignandmagnitudeofthepowerinstruction.功能：實現(xiàn)電池組與電網之間的能量傳遞和控制，保證電壓和頻率的穩(wěn)定。Function:Itrealizestheenergytransferandcontrolbetweenthebatterypackandthepowergrid,ensuringthestabilityofvoltageandfrequency.儲能變流器實物圖二、電化學儲能能量管理技術ElectrochemicalEnergyStorageEnergyManagementTechnology（一）電化學儲能變流器系統(tǒng)（PCS）powerconversionsystem電化學儲能變流器系統(tǒng)常見類型CommonTypes:：兩電平變流器Two-LevelConverter結構簡單，開關損耗低，但諧波含量較高，適用于中小功率場合。Ithasasimplestructureandlowswitchinglosses,butahighharmoniccontent,andissuitableformedium-andsmall-powerapplications.三電平變流器Three-LevelConverter:輸出電壓諧波含量低，效率高，但控制復雜，適用于中高壓大功率場合。Ithasalowharmoniccontentintheoutputvoltageandhighefficiency,butcomplexcontrol,andissuitableformedium-andhigh-voltagehigh-powerapplications.多電平變流器Multi-LevelConverter:輸出電壓等級多，諧波含量更低，但電路復雜，成本較高。Ithasmultipleoutputvoltagelevelsandalowerharmoniccontent,butacomplexcircuitandhighcost.二、電化學儲能能量管理技術ElectrochemicalEnergyStorageEnergyManagementTechnology（二）電池管理管理系統(tǒng)（BMS）——電池一致性管理BatteryManagementSystem(BMS)-BatteryConsistencyManagement由于電池組內電池單體不一致性問題的存在，BMS需要實現(xiàn)對電池組一致性的管理。這包括對電池容量、內阻、自放電率、溫度特性等參數(shù)的實時監(jiān)測和主動均衡處理，以確保電池組的性能和壽命。Duetotheinconsistencyofbatterycellsinthebatterypack,theBMSneedstomanagetheconsistencyofthebatterypack.Thisincludesreal-timemonitoringofparameterssuchasbatterycapacity,internalresistance,self-dischargerate,andtemperaturecharacteristics,aswellasactiveequalizationprocessingtoensuretheperformanceandlifespanofthebatterypack.儲能變流器實物圖二、電化學儲能能量管理技術ElectrochemicalEnergyStorageEnergyManagementTechnology（二）電池管理管理系統(tǒng)（BMS）——電池一致性管理BatteryManagementSystem(BMS)-BatteryConsistencyManagement電池狀態(tài)評估BatteryStateAssessment:BMS需要準確評估電池的狀態(tài)，包括荷電狀態(tài)（SOC）、健康狀態(tài)（SOH）、功率狀態(tài)（SOP）等，以便對儲能系統(tǒng)的運行進行實時監(jiān)控和調度。TheBMSneedstoaccuratelyassessthestateofthebattery,includingtheStateofCharge(SOC),StateofHealth(SOH),StateofPower(SOP),etc.,inordertomonitoranddispatchtheoperationoftheenergystoragesysteminreal-time.能量控制策略EnergyControlStrategy:基于電池的狀態(tài)信息，BMS需要制定相應的能量控制策略，以優(yōu)化儲能系統(tǒng)的充放電行為.Basedonthebatterystateinformation,theBMSneedstodevelopcorrespondingenergycontrolstrategiestooptimizethecharginganddischargingbehavioroftheenergystoragesystem.二、電化學儲能能量管理技術ElectrochemicalEnergyStorageEnergyManagementTechnology（三）能量管理系統(tǒng)（EMS）EnergyManagementSystem(EMS)能量管理系統(tǒng)（EMS）是電化學儲能系統(tǒng)的智能中樞，負責對整個儲能系統(tǒng)的運行進行監(jiān)控、調度和管理。EMS的基本功能包括數(shù)據采集、數(shù)據處理、狀態(tài)監(jiān)測、能量調度、故障診斷等。TheEnergyManagementSystem(EMS)istheintelligentcoreoftheelectrochemicalenergystoragesystem,responsibleformonitoring,dispatching,andmanagingtheoperationoftheentireenergystoragesystem.ThebasicfunctionsoftheEMSincludedatacollection,dataprocessing,statemonitoring,energydispatching,andfaultdiagnosis.硬件部分：數(shù)據采集設備、通信設備、計算設備；HardwarePart:Dataacquisitiondevices,communicationdevices,computingdevices.軟件部分：操作系統(tǒng)、數(shù)據庫管理系統(tǒng)、應用程序。SoftwarePart:Operatingsystems,databasemanagementsystems,applications.二、電化學儲能能量管理技術ElectrochemicalEnergyStorageEnergyManagementTechnology（三）能量管理系統(tǒng)（EMS）EnergyManagementSystem(EMS)實時監(jiān)測Real-TimeMonitoring:對電池組及儲能系統(tǒng)的電壓、電流、溫度等參數(shù)進行實時監(jiān)測，確保系統(tǒng)安全運行。Real-timemonitoringofparameterssuchasthevoltage,current,andtemperatureofthebatterypackandtheenergystoragesystemtoensurethesafeoperationofthesystem.優(yōu)化控制OptimizedControl:根據電網需求及儲能系統(tǒng)狀態(tài)，對充電和放電過程進行智能控制，實現(xiàn)能量的優(yōu)化配置。Intelligentcontrolofthecharginganddischargingprocessesaccordingtothepowergriddemandandthestateoftheenergystoragesystemtoachieveoptimizedenergyallocation.數(shù)據分析與預測DataAnalysisandPrediction:對儲能系統(tǒng)的運行數(shù)據進行分析處理，預測電池壽命及性能變化趨勢，為系統(tǒng)維護提供決策支持。Analyzeandprocesstheoperationdataoftheenergystoragesystem,predictthebatterylifeandperformancechangetrends,andprovidedecision-makingsupportforsystemmaintenance.電化學儲能能量管理技術發(fā)展趨勢DevelopmentTrendsofElectrochemicalEnergyStorageEnergyManagementTechnologyPART03三、電化學儲能能量管理技術發(fā)展趨勢DevelopmentTrendsofElectrochemicalEnergyStorageEnergyManagementTechnology電池管理系統(tǒng)（BMS）BatteryManagementSystem(BMS)實現(xiàn)對電池的實時監(jiān)控、均衡充電、故障診斷和預警功能。Achievereal-timemonitoringofbatteries,balancedcharging,faultdiagnosis,and