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）02-0502-08中图分类号：TM721文献标志码：A学科代码：470·40基于最小惯量评估的高比例新能源电力系统优化运行策略叶畅1，柳丹1，杨欣宜2，刘子文2，冀肖彤3，曹侃1，王伟3（1．国网湖北省电力有限公司电力科学研究院，湖北省武汉市430077；2．河海大学能源与电气学院，江苏省南京市211100；3．国网湖北省电力有限公司，湖北省武汉市430077）OptimalOperationStrategyofHighProportionNewEnergyPowerSystemBasedonMinimumInertiaEvaluationYEChang1,LIUDan1,YANGXinyi2,LIUZiwen2,JIXiaotong3,CAOKan1,WANGWei3(1.StateGridHubeiElectricPowerResearchInstitute,Wuhan430077,HubeiProvince,China;2.CollegeofEnergyandElectricalEngineering,HohaiUniversity,Nanjing211100,JiangsuProvince,China;3.StateGridHubeiElectricPowerCo.,Ltd.,Wuhan430077,HubeiProvince,China)1ABSTRACT:Theintegrationofhighproportionalrenewablepowergenerationhasbroughtgreatchallengestothepowersystemfrequencystabilityandputforwardanewrequirementforthepowersystemsafeandeconomicaloperation.Mostoftheexistingstudiesusetheintegrationoffrequencystabilityconstraintstosolvethisproblem.However,thistreatmentnormallyneedsthelinearizationprocessorthecomplexnon-linearoptimizationtoobtainthesolution.Also,thesestudiesusuallydealwiththeproblemofinsufficientinertiawithscheduling.Inspiredbytheminimuminertiaevaluation,thispaperproposesanoptimaloperationforthepowersystemwithahighproportionofrenewablepowergeneration.Basedonathree-stepoperationalframeworkof"pre-treatment"-"minimuminertiaevaluation"-"optimaloperation",theproblemofpowersystemoptimaloperationintegratedwiththefrequencystabilityconstraintisdecoupledintotwostepswith“minimuminertiaevaluation”and“optimaloperation”.Inthisproposedmethod,thefrequencystabilityofthesystemisensuredbycouplingtheminimumpowersysteminertiaconstraint.Inaddition,thesupportofinertiabywaysofschedulingandvirtualinertiaimprovementisalsoconsideredinthispaper.Theproposedmethodhastheadvantagesofclearplanningandeasyimplementationwithahighdegreeoflinear...
