第47卷第2期电网技术Vol.47No.22023年2月PowerSystemTechnologyFeb.2023文章编号：1000-3673（2023）02-0446-17中图分类号：TM721文献标志码：A学科代码：470·40低惯量下电力系统频率特性分析及电池储能调频控制策略综述叶林1，王凯丰1，赖业宁2，陈浩3，赵永宁1，徐贤4，路朋1，金忆非1（1．中国农业大学信息与电气工程学院，北京市海淀区100083；2．国网电力科学研究院有限公司，南京市江宁区250003；3．国家电网有限公司华东分部，上海市黄浦区200120；4．国网江苏省电力有限公司，江苏省南京市210024）ReviewofFrequencyCharacteristicsAnalysisandBatteryEnergyStorageFrequencyRegulationControlStrategiesinPowerSystemUnderLowInertiaLevelYELin1,WANGKaifeng1,LAIYening2,CHENHao3,ZHAOYongning1,XUXian4,LUPeng1,JINYifei1(1.CollegeofInformationandElectricalEngineering,ChinaAgriculturalUniversity,HaidianDistrict,Beijing100083,China;2.StateGridElectricPowerResearchInstitute,JiangningDistrict,Nanjing250003,China;3.EastChinaBranch,StateGridCorporationofChina,HuangpuDistrict,Shanghai200120,China;4.StateGridJiangsuElectricPowerCo.,Ltd.,Nanjing210024,JiangsuProvince,China)1ABSTRACT:Withtheproposalof“carbonneutralityandemissionpeak”andthestrategicgoalofestablishinganewpowersystem,thetraditionalunitsaregraduallyreplacedbythenewenergy,resultinginacontinuousdecreaseintheinertialevelofthepowersystem.Therehavebeenmoreandmoreseriousactivepowershockeventsunderlowinertiasituations,whichbringsaboutseverechallengestothefrequencystabilityofpowersystems.Startingfromthedefinitionofinertiaofthepowersystem,thispaperintroducestherelevantfactorsthataffecttheinertialevel.Basedonthedefinitionofinertia,thechangingtrendofthesysteminertialevelisanalyzedafterahighproportionofnewenergyisconnectedtothegrid,andtherelationshipbetweentheinertialevelandthefrequencystabilityisanalyzed.Thethreenewfeaturesbroughtbythelowinertialeveltothepowersystemareanalyzed:thescarcityofthetraditionalinertiasupportresources,theincreaseddifficultyintheinertiaevaluationandthemultiplefrequencyregulationresourcecoordination.Then,themethodsandstrategiesforimprovingthe...
