基于改进d-s证据理论的配电网故障定位与分析

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1、山东大学硕士学位论文4．1引言354．2证据理论的基本概念354．2．1基本定义354．2．2证据理论的合成法则364．2．3决策准则374．3基于证据理论的配电网故障定位一374．4证据理论存在的问题及其改进措施．384．4．1存在的主要问题384．4．2证据理论的改进404．4．3决策准则的改进414．5基于改进的证据理论的配电网故障定位．414．6算例分析．434．6．1算例1．报警信息完备准确．．444．6．2算例2一报警装置不完备，信息不全．454．6．3算例3一装置误动474．6．4算例

2、4一缺少某一层信息484．7小结．51第五章总结和展望．525．1．总结525．2．展望．53参考文献54致谢61攻读学位期间发表的学位论文．．62攻读学位期间参与的科研项目．．63万方数据山东大学硕士学位论文CONTENTSCHINESEABSTRACT一IABSTRACT．．IIIChapter1Introduction11．1TheResearchBackgrounda11dSignificance．．11．2TheResearchStatus．31．2．1ReseaurchStatusofD

3、istributionAutomation31．2．2ResearchStatusofDistributionNetworkFaultLocation一51．3E)(istillgProblems．．91．4TheMainContentsofTheReseaurch．1lChapter2Dist抽utionNe觚orkFaultInfomationandStructureofAnalysis132．1Introduction．132．2Dist曲utionNe柳orkFaultI疵mationAna

4、lysis．．132．2．1TheMaillFaultInf．omationofDistmutionNetwork．142．2．2SeVeral‘IⅦesofFaultInf0HnationAberrallce．152．3BaLSicStructureofDistributionNetworkFaultAnalysis．162．4Summary．18Chapter3DistributionNetworkFault111itialLocationMethodBasedonHierarcmcalMatr

5、ix193．1Introduction．193．2BasicThoughtsofHierarchicalMatri】(．193．3BasicConceptofHieraLrchicalMatrix．．203．3．1TheIdeaofNetworkLayerillg203．3_2TheEstablisllInentofHieraurcIlicalMatrix203．4DistributionNetworkFaultLocationMethodBasedonHierarchicalMatrix223．4

6、．1LoopedNetwork233．4．2RadialNetwork．28TlT万方数据山东大学硕士学位论文3．5Sl】mmarv．34Chpter4Decision-msionofDistributionNetworkFault-locationResultsBasedonAdvallcedD．SEⅥdenceTheon，．354．1Introduction．354．2BasicConceptofEVidenceTheory354．2．1BasicDefmitions．．354．2．2Ruleo

7、fCombiIlationofEvidenceTheo巧364．2．3DecisionCriteria一374．3DistributionNetworkFaultLocationBasedonEVidenceTheory．374．4E五stmgProblemsa11dImprovedMeaSures．384．4．1ExistmgProblems．．384．4．2Impr0VedMeaSures。404．4．3ImprovedDecisionCriteria414．5DistributionNetwo

8、rkFaultLocationBasedonAdvancedD—SB订denceTheon，4l4．6Ex锄pleAnalysis．．．434．6．1S锄ple1-CompletedAlamInfbnnation．．444．6．2Sanlple2-LackofAlarmDeVice．．454．6．3S锄ple3一DeViceMal-operation474．6．4S锄峰le4一LackofSomeInfomation484．7S1m曲a叫．51Chapter5Conc