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）02-0658-11中图分类号：TM721文献标志码：A学科代码：470·40面向暂态功角稳定提升的水光互补发电系统紧急切机控制陈韦韬1，吴翔宇1，许寅1，王小君1，唐晓骏2，张鑫2（1．北京交通大学电气工程学院，北京市海淀区100044；2．电网安全与节能国家重点实验室(中国电力科学研究院有限公司)，北京市海淀区100192）EmergencyGeneratorTrippingControlofIntegratedSystemsWithPhotovoltaicandHydropowerGenerationforImprovingTransientPowerAngleStabilityCHENWeitao1,WUXiangyu1,XUYin1,WANGXiaojun1,TANGXiaojun2,ZHANGXin2(1.SchoolofElectricalEngineering,BeijingJiaotongUniversity,HaidianDistrict,Beijing100044,China;2.StateKeyLaboratoryofPowerGridSafetyandEnergyConservation(ChinaElectricPowerResearchInstitute),HaidianDistrict,Beijing100192,China)ABSTRACT:InsouthwestChina,therearesuperiorconditionsofpowergeneration.Makinggooduseofthecomplementarycharacteristicsofhydropowerandphotovoltaicpowerthereisoneofeffectivewaystoachievethe"dualcarbon"goalandpromotetheconsumptionofrenewableenergy.However,asthehydropowerresourcesaregenerallydistributedintheremoteareas,long-distancepowertransmissionsmayincreasearatherweakconnectionwiththemainnetworkwithahiddendangerousoftransientpoweranglestability.Besides,thehighproportionofphotovoltaicpowergenerationalsoincreasesthecomplexityofthetransientstabilityofthesystem.Atpresent,thereisnotaclearmechanismtoexplainphotovoltaicpowergeneration'sinfluenceonthetransientstabilityofcomplementarysystems,andnotaneffectivesystememergencycontrolmethodsbasedonquantitativecalculations.Tothisend,thispaperproposesanemergencygeneratortrippingcontrolmethodforimprovingtransientpoweranglestability.Firstly,theequivalentpoweranglecurveoftheintegratedsystemisestablished,analyzingthechangesoftheacceleration/decelerationareasintheintegratedsystembeforeandafterthephotovoltaicconnection.Subsequently,basedontheequalareacriterion,threeemergencygeneratortrippingcontrolschemesforhydropowerandphotovoltaiccoordinationare...
