文档摘要：电池储能系统具有调节速度快、布置灵活、建设周期短等特点,在包含高比例可再生新能源的新型电力系统中发挥重要作用.电池储能系统的显著特点是单体数量众多,各单体间不可避免的一致性差异将对其能量利用率、循环寿命、安全性产生严重影响.该文对电池储能系统均衡方法进行了综述.首先,分析了串并联电池组的特点及均衡的必要性;其次,重点评析了不同类型均衡变量、均衡拓扑、均衡控制方法所具备的特点,通过详细对比研究,表明各自的发展趋势;最后,对电池储能系统主动均衡方法进一步的研究方向进行了展望.该文旨在为未来进一步开展电池储能系统主动均衡方法的研究提供参考.
Abstract：Batteryenergystoragesystem(BESS)ischaracterizedbyalargenumberofcells,andinpractice,eveniftheconsistencyoftheinitialperformanceofcellsisguaranteed,theconsistencydifferencewilloccurduetodifferentuseconditionsandenvironments.InordertoreducethedifferenceinconsistencybetweenthecellswithinaBESS,areliableequalizationmethodmustbeestablishedtoimproveitsenergyutilizationandsafety.ThroughtheanalysisofthecurrentresearchstatusofthereviewofBESSequalizationmethods,morescholarshaveorganizedtheequalizationtopologies,whicharelimitedtothetopologiesbasedonenergystoragedevicessuchasinductorsandcapacitors.Thereislessorganizationoftopologiesbasedonredundancyideas,topologiesbasedonbatterypackreconfiguration,andmodulartopologies,whichhavedevelopedmorerapidlyinrecentyears.Atthesametime,theequalizationnecessityofseriesandparallelbatterypack,equalizationvariablesandequalizationcontrolmethodsarelessorganizedandreviewed.ThearticleprovidesasystematicoverviewofresearchonequalizationmethodsforBESS,withkeycontributionsdescribedbelow.Forthestudyofequalizationvariables,multivariateequalizationcanshowtheconsistencydifferenceofcellsfromdifferentperspectives,anditisexpectedtobecomeahotspotofequalizationvariableresearchinthefuture.Especially,temperature,high-precisionSOCandvoltagearejointlyusedasequalizationvariables,whichcanensuretheenergyutilizationoftheBESSaswellasitssafety.Forthestudyofequalizationtopology,firstofall,inductiveequalizationcanrealizehigh-precisionequalization,andcapacitiveequalizationcanrealizefastequalizationwhenthevoltagedifferenceofequalizationobjectsislarge.Therefore,combinedwiththecharacteristicsofinductiveandcapacitiveenergystorage,theequalizationtopologiesbasedoninductive-capacitiveenergystoragewithsimplestructureandperfectfunctionareexpectedtobethehotspotofequalizationtopologyresearchinthefuture.Inaddition,themodularequalizationtopologybasedoninductive-capacitiveenergystorageisalsoahotdirectionintheresearchofequalizationtopologyforthelargenumberofcellsintheBESS.Fortheresearchofequalizationcontrolmethods,intelligentequalizationisexpectedtobecomethehotspotofequalizationcontrolresearchinthefuture.Intelligentequalizationincludesintelligentselectionofequalizationobjectsandintelligentdesignofequalizationcurrents.Intelligentselectionofequalizationobjectsisreflectedinthesimultaneousselectionofmultipleadjacentcellswithsmallerconsistencydifferencestoformabatterygrouptoparticipateinequalizationatthesametime,whichimprovesthespeedandefficiencyofequalizationonthebasisoftheexistinghardware.Theintelligenceofequalizationcurrentdesignisreflectedinthefactthattheequalizationcurrentcanbeintelligentlydesignedaccordingtotheconsistencydifferenceandtheloadcurrent,avoidingunder-equalizationandover-equalization,andatthesametime,improvingthespeedandefficiencyofequalization.TheanalysisandreviewoftheequalizationmethodsforBESSinthisarticleprovideasystematicoverviewofthecurrentstateofresearchonequalizationmethods.Moreover,areliableoutlookonthedirectionofthedevelopmentofnewequalizationmethodsforbatterypackscontainingalargenumberofcellsispresented.ThereviewisconducivetoinnovationsandbreakthroughsinnovelactiveequalizationmethodsforfutureBESS.
作者：郭向伟 王晨 钱伟 陈思哲 Author：GuoXiangwei WangChen QianWei ChenSizhe
作者单位：河南理工大学电气工程与自动化学院焦作454003;河南省煤矿装备智能检测与控制重点实验室(河南理工大学)焦作454003河南理工大学电气工程与自动化学院焦作454003广东工业大学自动化学院广州510006
刊名：电工技术学报 ISTICEIPKU
Journal：TransactionsofChinaElectrotechnicalSociety
年，卷(期)：2024, 39(13)
分类号：TM912
关键词：电池储能系统 均衡变量 均衡拓扑 均衡控制 综述
Keywords：Batteryenergystorage equalizationvariables equalizationtopologies equalizationcontrol review
机标分类号：G64TM912TM711
在线出版日期：2024年7月22日
基金项目：国家自然科学基金，河南省高校基本科研业务费，河南省高校基本科研业务费，河南省高校重点科研项目，河南省科技攻关项目电池储能系统均衡方法研究综述[
期刊论文] 电工技术学报--2024, 39(13)郭向伟 王晨 钱伟 陈思哲电池储能系统具有调节速度快、布置灵活、建设周期短等特点,在包含高比例可再生新能源的新型电力系统中发挥重要作用.电池储能系统的显著特点是单体数量众多,各单体间不可避免的一致性差异将对其能量利用率、循环寿命、安全...参考文献和引证文献
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关键词：电池储能系统,均衡变量,均衡拓扑,均衡控制,综述,
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