基于地理信息的配电网规划与其风险评估

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1、AbstractAbstractDistributionnetworkplanningisdesignedtosolvetheproblemsexistinginthecurrentdistributionnetwork,andteasethegridstructureofthedistributionnetwork.Underthepremisethattheplanningmeetstheneedsofloadgrowth,theplanningschemeshouldimprovetheindicatorsofdistribut

2、ionnetworkoperation.Atthesametimetheplanningfocusesonperfectingandoptimizingthenetworkframestructure,coordinatingthesubordinatepowergridwiththesuperiorandenhancingtheloadtransferability.Therefore,thestudyofdistributionnetworkplanningisverynecessary.Inthispaper,themainwo

3、rkincludesseveralpartsasthefollowing:(1)Substationlocatingandsizingshouldconsidertheinfluenceofgeographicfactorssuchaslandproperties,trafficconditions,constructionconditions.Inthispaper,geographicinformationfactormodelisconstructedbasedontheimprovedidealpointmethod,andt

4、hemodelisembeddedintotheconstructionandoperationcosts.Tosolvethemodel,theinitialpopulationisdividedintomultiplesubpopulations.Amulti-populationdifferentialculturalalgorithmbasedonchaoticknowledgemigrationispresented.Thealgorithmdesignsfourkindsofspatialknowledgeguideevo

5、lution.Andknowledgemigrationintervalisdynamicallyadjustedaccordingtoevolutiontime.Thenchaossequenceisusedtodeeplyexploremigratedcellsfortheimprovementofthevalidityofmigratedknowledge.(2)Onthebasisofprocessedgeographicbackgroundpicture,consideringtherandomnessandfuzzines

6、softheload,thedistributionnetworkplanningmodelbasedoncredibilitytheoryisputforward.Theencodingpatternislayerbylayerandlinebyline.Ageneticalgorithmbasedonthecombinationofimprovedfastandelitistnon-dominatedsortingandmulti-objectivechaosweightingispresented.Partheno-Geneti

7、cAlgorithmisusedtoguaranteetheindividualbeingradialpattern.Thereisnoneedtorestoretheinfeasibleindividuals,whichincreasesoptimizationefficiency.(3)Basedontheanalysisofallkindsofrisksourceinthedistributionnetworkplanningthispaperestablishedariskevaluationindexsystemofpowe

8、rdistributionnetworkplanning.Acomprehensiveevaluationmodelisconstructedbasedonimprovedvariableweightandmatter-