第42卷第1期2023年1月ZhejiangElectricPowerVol.42,No.01Jan.25.2023不同安装方式下分布式潮流控制器的过电压水平分析徐华1,周路遥2,宋金根1,孟祥瑞3,邵先军2,卢铁兵3(1.国网浙江省电力有限公司,杭州310007;2.国网浙江省电力有限公司电力科学研究院,杭州310014;3.华北电力大学,北京102206)摘要:DPFC(分布式潮流控制器)可以改善电网潮流分布,解决输电断面超限问题。根据DPFC的拓扑结构和运行原理,依托世界首个220kVDPFC示范工程,搭建了DPFC的仿真模型。分别考虑DPFC集中安装于变电站内和分散安装于输电线路两种情况,仿真计算了输电线路发生短路故障时DPFC关键节点的过电压和过电流水平,并分析了故障发生位置对DPFC过电压和过电流水平的影响。计算结果可为实际工程中DPFC的绝缘配合提供参考。关键词:分布式潮流控制器;柔性交流输电系统;短路故障;过电压DOI:10.19585/j.zjdl.202301010开放科学(资源服务)标识码(OSID):Overvoltagelevelanalysisofadistributedpowerflowcontrollerunderdifferentin⁃stallationschemesXUHua1,ZHOULuyao2,SONGJingen1,MENGXiangrui3,SHAOXianjun2,LUTiebing3(1.StateGridZhejiangElectricPowerCo.,Ltd.,Hangzhou310007,China;2.StateGridZhejiangElectricPowerCo.,Ltd.ResearchInstitute,Hangzhou310014,China;3.NorthChinaElectricPowerUniversity,Beijing102206,China)Abstract:Distributedpowerflowcontroller(DPFC)canimprovepowerflowdistributioninthepowergridandsolvetheproblemofpowerflowsectionexcess.BasedonthetopologystructureandoperationprincipleofDPFCandwiththebackingoftheworld’sfirst220kVDPFCdemonstrationproject,adistributedpowerflowcontrolsimulationmodelisestablished.Thecasesofdistributedpowerflowcontrollerscentrallyinstalledinsubstationsanddis⁃persedlyinstalledintransmissionlinesareconsidered,respectively.TheovervoltageandovercurrentlevelsofDPFCkeynodesinthecaseofshort-circuitfaultsonthetransmissionlinesaresimulated.Moreover,itisanalyzedhowfaultlocationinfluencestheDPFC′sovervoltageandovercurrent.Thecalculationresultsinthispapercanpro⁃videareferenceforDPFCinsulationcoordinationinengineeringpractice.Keywords:DPFC;flexibleACtransmissionsystem;short-circuitfault;overvoltage0...