第50卷第4期2023年4月Vol.50,No.4Apr.2023湖南大学学报(自然科学版)JournalofHunanUniversity(NaturalSciences)计及检修计划的智能配电网运行风险等级划分定量分析方法刘科研†,贾东梨,王帅(中国电力科学研究院有限公司,北京100192)摘要:为解决计划检修导致配电网发生潮流越限和负荷损失等问题,提出了一种考虑检修计划的智能配电网运行风险等级划分定量分析方法.首先,分析了检修计划对配电网安全运行的影响,从运维因素、外部因素、设备因素等三个方面建立智能配电网风险评估指标体系;其次,引入区间算法,采用了主客观混合评估方法进行指标赋权,并结合权重因子得到组合权重;再次,基于风险评估指标及其所占权重,获得了智能配电网运行风险值,并划分了运行风险等级,实现了对故障发生概率和影响后果的综合风险量化评估;最后,结合天津电网的年度运行数据,采用Ada-DT算法对其运行风险等级进行了相关分析,验证了本文所提配电网运行风险评估指标体系及等级划分方法的有效性.结果表明,所提方法可有效划分智能配电网运行风险等级,辨识配电网薄弱环节并给出针对性防控措施,为计划检修人员提供参考.关键词:检修计划;配电网;风险等级;风险评估;薄弱环节辨识中图分类号:TM732文献标志码:AQuantitativeAnalysisMethodforOperationRiskLevelClassificationofIntelligentDistributionNetworkConsideringMaintenanceScheduleLIUKeyan†,JIADongli,WANGShuai(ChinaElectricPowerResearchInstitute,Beijing100192,China)Abstract:Inordertosolvetheproblemsofflowout-of-limitandloadlossofdistributionnetworkcausedbyplannedmaintenance,thispaperproposedaquantitativeanalysismethodofoperationriskclassificationofintelligentdistributionnetworkconsideringmaintenanceplan.Firstly,theinfluenceofthemaintenanceplanonthesafeoperationofthedistributionnetworkwasanalyzed,andtheriskassessmentindexsystemoftheintelligentdistributionnetworkwasestablishedfromthreeaspects:operationandmaintenancefactors,externalfactors,equipmentfactors,andsoon;secondly,theintervalalgorithmwasintroduced,thesubjectiveandobjectivemixedevaluationmethodwasusedtoweighttheindicators,andthecombinedweightswereobtainedbycombiningtheweightfactors;thirdly,basedontheriskassessmentindexanditsweight...