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基于多场景抗毁性分析的配电网网络结构优化.docx

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基于多场景抗毁性分析的配电网网络结构优化 标题：基于多场景抗毁性分析的配电网网络结构优化 Abstract: Inrecentyears,theimportanceofresilienceinpowerdistributionsystemshasbeengainingincreasingattention.Thevulnerabilityofdistributionnetworksismainlyattributedtovariousexternaldisturbances,suchasnaturaldisastersandman-madeattacks.Enhancingtheresilienceofthesenetworkshasthereforebecomeasignificantchallengeforpowersystemplannersandoperators.Inthisstudy,weproposeanovelapproachforoptimizingthenetworkstructureofpowerdistributionsystemsbyemployingamulti-scenarioresilienceanalysis.Theobjectiveistominimizethepotentialdamagescausedbydifferentscenariosandenhancethesystem'sabilitytowithstanddisruptions.Theeffectivenessandapplicabilityoftheproposedmethodologyaredemonstratedthroughacasestudyonareal-worlddistributionnetwork.Theresultsindicatethattheoptimizedstructuresignificantlyimprovesthenetwork'sresilienceandreducestherisksassociatedwithvariousscenarios. 1.Introduction Resiliencehasbecomeacrucialconsiderationinpowersystemplanningandoperation,astheoccurrenceofextremeeventsandcyber-attacksposessignificantthreatstothereliabilityofelectricitysupply.Powerdistributionnetworks,inparticular,arehighlysusceptibletodamageduetotheirextensivecoverageandexposuretovariousrisks.Therefore,itisessentialtodevelopstrategiesthatenhancetheresilienceofdistributionnetworksandminimizethepotentialdamagescausedbydisruptions. 2.LiteratureReview Previousstudieshaveprimarilyfocusedonimprovingtheresilienceofpowertransmissionsystems,neglectingtheuniquecharacteristicsandchallengesassociatedwithdistributionnetworks.Variousapproaches,suchasredundancyandislanding,havebeenproposedtoenhancetheresilienceofthesenetworks.However,thesemethodsoftenoverlooktheoptimizationofthenetworkstructure,leadingtosuboptimalresults.Additionally,mostexistingworksdonotconsiderthemulti-scenarionatureofdisruptions,whichcanhavedifferentimpactsonthenetwork. 3.Methodology Theproposedmethodologyisbasedonamulti-scenarioresilienceanalysis,whichconsidersdifferentdisruptionscenariosandtheircorr