配电网可靠性-分析与分段开关和故障指示器优化配置的-研究

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1、万方数据北京交通大学硕士学位论文摘要的提高系统的可靠性、经济性指标，关键词：配电网；可靠性；经济性；分类号：TM727达到令人满意的效果。分段开关；故障指示器；优化配置万方数据ABSRTACTABSTRACT：RelatedstatisticstellUSthat80％blackoutaccidentsarecausedbythefaultsofdistributionnetworkinpowersystem．Soitisveryimportanttoimprovethereliabilityandsafetyofthepowersupplysystemforthedevelop

2、mentofthenationaleconomy．OptimalallocationofdisconnectswitchesandfaultindicatorsCanimprovethereliabilityofthedistributionnetworkandreducethecustomeroutagecost．Basedonreliabilitytheoryandcost—benefittheoryofthedistributionnetwork，thispaperanalyzeshowtocalculatethereliabilityindexesquickly,andi

3、ntroducesseveralwaystooptimizedisconnectswitchesandfaultindicatorsunderdifferentoptimizationschemes．Firstly,thispapersummarizesthebasictheorytoanalysisthereliabilityofdistributionnetwork，andpresentsamethodthatcombiningpartitionmethodwithfaulttraversalalgorithmtocalculatethereliabilityindexesq

4、uickly．Afeederpartitionmethodisproposedtodivideafeederintomanysmallerzoneswhichconnectwitheachotherandtakeswitchesastheirboundaries，andthefourtypesoffaultafterthepartitionareanalyzed，withtheimpactamongeachregionisanalyzedindetailbythefaulttraversalalgorithm．Eachregion’Sfaultindicatorscallbego

5、aen，whichaffectedbyitsinternalcomponents，fathernetworkandsubnet．Secondly，thispaperanalyzesreliabilitybenefitmodelofdistributionnetwork．Themodeltransformsreliabilityindexesofsystemintoeconomicindexthroughcalculatingcustomeroutagecost、investmentofequipmentandmaintenancecostoftheequipment．Thispa

6、perfurtheranalyzeshowtogetthecustomeroutagecostwiththeIEARIndexMethodandtheannualvalueofinvestmentofequipmentandmaintenancecostoftheequipment．Thirdly,thispaperdescribesthewaystooptimizethedisconnectswitchesundertwodifferentkindsofoptimizationmodels．Onemodeloptimizesthedisconnectswitchesonthem

7、ainlineofthefeeder、析thonedimensionalcombinationgreedyalgorithm，thismodelappliestothecasewhenthenumberoftheswitchesisfixedandweonlyneedtooptimizetheirpositions，thesolutioncalculatedbythismodelmaynotbethebestone，butthismodelissimpleandthespeedo