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)02-0473-09中图分类号:TM74文献标志码:A学科代码:470·40基于改进停电序列多状态模型的新型配电系统故障恢复方案解析优选方法闫涛,李蕊,刘伟,盛万兴,孟晓丽(中国电力科学研究院有限公司,北京市海淀区100192)AnalyticOptimizationMethodofFaultRecoverySchemeforNewDistributionNetworkBasedonModifiedMulti-statePowerInterruptionSequenceModelYANTao,LIRui,LIUWei,SHENGWanxing,MENGXiaoli(ChinaElectricPowerResearchInstitute,HaidianDistrict,Beijing100192,China)ABSTRACT:Thispaperproposesafaultrecoveryschemeanalyticoptimizationmethodforanewdistributionnetworkbasedonthemodifiedmulti-statepowerinterruptionsequencemodel,whichmaysolvethescenariodimensiondisasterbyreducingthetimecomplexity.Firstly,themulti-statemodelofsource-load-storageandtheircoupledoperationstatematrixareestablished.Then,themulti-statepowerinterruptionsequencemodelismodifiedandthecalculationmethodofitsstateprobabilityisgiven.Finally,thefaultrecoveryschemeanalyticaloptimizationalgorithmforthenewdistributionsystemisproposed.Theillustrativeexampleshowsthattheproposedmethodevaluatesanalyticallyarecoveryschemewith1023differentscenarioswithin15min,andhasanobviousalgorithmperformanceadvantagecomparedwiththeexhaustivesearchmethodandthestochasticoptimizationmethod.Inaddition,theeffectofthedispersiondegreeofthegeneration-load-storagestateontheprecisionandspeedoftheproposedmethodisanalyzed.KEYWORDS:newdistributionnetwork;faultrecoveryschemeanalyticoptimization;modifiedmulti-statepowerinterruptionsequencemodel摘要:新能源不确定性引发的场景维数灾是新型配电系统优化分析的核心问题,但穷举搜索运算量大且耗时过长,随机优化则存在局部最优与收敛困难两大难题。鉴于此,提出了一种基于改进停电序列多状态模型的新型配电系统故障恢复方案解析优选方法,可通过降低时间复杂度来解决场景维数灾。首先,建立了源荷储多状态模型及其耦合运行状态矩阵;然后,改进停电序列多状态模型并给出了状态概率计算基金项目:国家电网有限公司科技项目“高比例清洁能源县域配电网安全运行控制关...