1、Grid-Forming Solutions for Renewable Energy Dominated Electric Power SystemsDr Changjiang Zhan,February 20252PART 01NR IntroductionPART 02NR-iSGrid SOLUTIONS PART 03NR Engineering PracticesPART 04SummaryContentsContents3GENERATION SolutionsTRANSMISSION&DISTRIBUTION SolutionsUtility Solutions NR idea
2、l&Synchronous Grid(NR-NR ideal&Synchronous Grid(NR-iSGridiSGrid)SOLUTIONS)SOLUTIONSNR offer the whole power grid solutions:HVDC&FACTS,Substation Automation,Protection&Control,Substation&Electrification;Power Plant Automation/Excitation,Renewable Power Conversion;Energy Storage System(ESS):NR-iSGrid
3、ESS,NR-iSGrid Converter/Inverter,Energy Management System(EMS)SubstationSubstationLCC-HVDCSubstationHydro powerThermal powerPV powerWind powerStep-up substationStep-up substationEnergy StorageStep-up substationStep-up substationSubstationVSC-HVDCSubstationHVACSubstationSSCFACTSStep-down substationSt
4、ep-down substationStep-down substationEnergy StorageEnergyStorageEnergyStorageEnergyStorage4NR BESS Projects WorldwideNR BESS Projects Worldwide1995Foundation Date2.8Billion$Sales Volume3P&C ManufacturerTopHeadquarter:NanjingBESS 10GW+in ChinaBESS 500MW in SaudiBESS 800MW in UKBESS 200MW in ChileBES
5、S 300MW in South Africa5PART 02NR IntroductionPART 01NR-iSGrid SOLUTIONS PART 03NR Engineering PracticesPART 04SummaryContentsContents6Inverter Based Resources:General System NeedsInverter Based Resources:General System NeedsStability&Power QualitySynchronizationFrequency ControlVoltage ControlOscil
6、lation DampingSecurity&Service QualityRelay ProtectionBlack Start&System RestorationResourceAdequacyEnergy RequirementPower RequirementPhysical LimitationsSystem Strength ShortageAbsence of Short-Term Overload RatingsHigh penetration of IBR based renewables as a trend for the futureConventional foss