IEEEPEDS2005BatteryEnergyStorageSystemforPowerConditioningofRenewableEnergySourcesRavinderSinghBhatia,S.P.JainDineshKumarJainBhimSinghDepartmentofElectricalEngineering,DepartmentofElectricalEngineering,DepartmentofElectricalEngineering,NationalInstituteofTechnology,C.R.StateCollegeofEngineering,IndianInstituteofTechnology,Kurukshetra-136119,India.Murthal-131039,India.NewDelhi-110016,India.Abstract-Renewableenergysourcessuchaswind,hydro,etc.surplusenergyshouldbeabsorbedtoavoidovervoltagesandareintermittentinnature.Generatorsconnectedtothelocalgridfrequency.mayleadtoseverepowerqualityproblems.Theseissuesarevoltagedipwhileconnection/disconnectionofthegenerator,EnergyStorageSystem(BESS)haverecentlyuncertaintyofsupply,unbalancedanddistortedpowersupply.InemergedBatteryasoneoftemostpromisingstoragetechnologyforthispaper,thepowerconditioningofmicrohydrodrivenuseinpowersystemthatofferssolutionstomanyoperationalinductiongeneratorconnectedtothelocalgridusingbatteryproblemsfacedbytodaypowersystem.InthepastBESShasenergystoragesystem(BESS)issimulatedforvoltageregulation,traditionallybeenviewedasperformingrelativelyslowpowerloadleveling,harmonicseliminationandpowerfactorregulation,suchasloadleveling/peaksaving.Thereisnowaimprovement.growingrecognitionthatfastresponsesprovidedbythenewgenerationoffastelectronicdeviceswithinBESSofferawideKeywords-Powerquality,inductiongenerator,batteryenergyrangeofadditionalpowersystemapplicationssuchasareastoragesystem,embeddedgeneration.regulation,areaprotection,spinningreserve,powerfactorI.INTRODUCTIONcorrection,UPS,loadmanagement,etc.BESSmaybeemployedforenhancingthereliability,energymanagementRecentlyinterestintherenewablesourcesofenergyandimprovingthepowerqualityofthedistributionsystem[10-embeddedinthelocalnetwork,hasincreasedbecauseof18].reductioningaseousemission,energyefficiency,rationaluseofenergy,deregulationorcompetitivepolicy,andBESSconsistsofathree-phaseIGBTbasedcurrentdiversificationofenergyresources.However,t