第47卷第4期电网技术Vol.47No.42023年4月PowerSystemTechnologyApr.2023文章编号：1000-3673（2023）04-1360-09中图分类号：TM721文献标志码：A学科代码：470·40风电机组变桨减载一次调频模型及聚合方法奥博宇1，王方政2，陈磊1，王罗2，闵勇1，刘喜泉2，郭剑波3（1．清华大学电机工程与应用电子技术系，北京市海淀区100084；2．中国长江三峡集团有限公司科学技术研究院，北京市西城区100038；3．中国电力科学研究院有限公司，北京市海淀区100192）PrimaryFrequencyRegulationModelandAggregationofDeloadingWindTurbineGeneratorsWithPitchAngleAdjustmentAOBoyu1,WANGFangzheng2,CHENLei1,WANGLuo2,MINYong1,LIUXiquan2,GUOJianbo3(1.DepartmentofElectricalEngineering,TsinghuaUniversity,HaidianDistrict,Beijing100084,China;2.ScienceandTechnologyResearchInstitute,ChinaThreeGorgesCorporation,XichengDistrict,Beijing100038,China;3.ChinaElectricPowerResearchInstitute,HaidianDistrict,Beijing100192,China)ABSTRACT:Astheparticipationofwindpowerinthefrequencyregulationhasbecomeacleartrend,theprimaryfrequencyregulationmodelofawindfarmneedstobeaddedinthedynamicsimulationofthepowersystemfrequency.Itisatypicalwayforthewindturbinetoparticipateinthefrequencymodulationbydeloadingthecontrolthroughapitchadjustment.Inthissituation,thepaperestablishestheprimaryfrequencymodulationmodelofthewindturbineandproposestheaggregationmodelingmethodofthewindfarmfrequencymodulationmodel.First,theprimaryfrequencymodulationmodelofasinglewindturbinethroughapitchadjustmentisestablished,retainingthekeylinkssuchasthewindenergycapture,therotordynamics,theactivepowercontrolandthepitchanglecontrol,andignoringthefastconvertercontrolprocess.Then,theaggregationmethodofthewindfarmfrequencymodulationmodelusingthesametypeofthewindturbinesisproposed.Consideringthedifferencebetweentheoperatingconditionsandthefrequencymodulationcapabilityofthewindturbinesandinordertoensuretheconsistenceofthepowerdynamicprocessbeforeandaftertheaggregation,theaggregationequivalentmethodofthefrequencymodulationmodelparametersisproposed.Multiplewindturbinesareaggregatedintoanequivalen...
