第44卷第7期2023年7月电力建设ElectricPowerConstructionVol.44No.7Jul.2023http://www.cepc.com.cn基金项目:国家自然科学基金面上项目(52177098)考虑智能软开关电压支撑的城市配电网弹性提升方法赵晶晶,李梓博,刘帅,马闻鹤,邵阳(上海电力大学电气工程学院,上海市200090)摘要:近年来台风、暴雨等极端天气对电力系统的安全造成巨大影响,电力系统的弹性成为人们关注的热点。配电系统弹性是系统应对极端事件的预防、抵御、响应及快速恢复供电的能力。提出了一种考虑智能软开关(softopenpoint,SOP)和分布式电源(distributedgeneration,DG)的配电系统弹性提升方法,在多阶段弹性提升过程中考虑了DG规划、主动孤岛运行、SOP快速故障隔离和供电恢复。首先建立了SOP数学控制模型和考虑SOP的配电网供电恢复模型;然后提出了多阶段弹性评估指标和方法,建立了含SOP的多阶段混合整数线性规划模型,并考虑了每个阶段的网络拓扑和操作约束;最后在IEEE33标准算例上进行分析计算,验证了所提弹性提升方法的有效性。关键词:极端天气;智能软开关(SOP);配电网弹性;主动孤岛;电压支撑ResilienceLiftingMethodofUrbanDistributionNetworkConsideringSoftOpenPointVoltageSupportZHAOJingjing,LIZibo,LIUShuai,MAWenhe,SHAOYang(CollegeofElectricalEngineering,ShanghaiUniversityofElectricPower,Shanghai200090,China)ABSTRACT:Inrecentyears,extremeweatherevents,suchastyphoonsandrainstorms,havegreatlyimpactedthesecurityofpowersystems,andtheresilienceofpowersystemshasgraduallybecomethefocusofattention.Theresilienceofadistributionsystemisitsabilitytoprevent,resist,respondto,andquicklyrestorepowersupplyinresponsetoextremeevents.Thispaperproposesamethodtoimprovetheresilienceofadistributionsystembyconsideringthesoftopenpoint(SOP)anddistributedgeneration(DG).TheDGplanning,activeislanding,SOPfastfaultisolation,andpowersupplyrecoverycapabilityareconsideredinthemulti-stagepowersupplyrecoveryprocess.First,anSOPmathematicalcontrolmodelandadistributionnetworkfaultrecoverymodelconsideringtheSOPareestablished.Second,amulti-stageresilienceevaluationindexandmethodareproposed,amultistagemixedintegerlinearprogrammingmodelwithSOPisestablished,andthenetworktopologyan...