(cid:2) PowerGridResilienceAgainstNaturalDisasters (cid:2) (cid:2) (cid:2) (cid:2) (cid:2) (cid:2) (cid:2) (cid:2) Power Grid Resilience Against Natural Disasters Preparedness, Response, and Recovery Shunbo Lei Chong Wang Yunhe Hou (cid:2) (cid:2) (cid:2) (cid:2) Thiseditionfirstpublished2023 ©2023JohnWiley&SonsLtd Allrightsreserved.Nopartofthispublicationmaybereproduced,storedinaretrievalsystem, ortransmitted,inanyformorbyanymeans,electronic,mechanical,photocopying,recordingor otherwise,exceptaspermittedbylaw.Adviceonhowtoobtainpermissiontoreusematerial fromthistitleisavailableathttp://www.wiley.com/go/permissions. TherightofShunboLei,ChongWang,andYunheHoutobeidentifiedastheauthorsofthis workhasbeenassertedinaccordancewithlaw. 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LibraryofCongressCataloging-in-PublicationDataAppliedfor: HardbackISBN:9781119801474 CoverDesign:Wiley CoverImage:©MNBBStudio/Shutterstock Setin9.5/12.5ptSTIXTwoTextbyStraive,Chennai,India (cid:2) (cid:2) To Jinhui,Qiuying,andShunxia –ShunboLei Xingxing,Xueheng,Yan,andHui –ChongWang LijuanandJesse –YunheHou (cid:2) (cid:2) (cid:2) (cid:2) (cid:2) (cid:2) (cid:2) (cid:2) vii Contents AbouttheAuthors xv Preface xvii Acknowledgments xxiii PartI Introduction 1 1 Introduction 3 (cid:2) 1.1 PowerGridandNaturalDisasters 3 (cid:2) 1.2 PowerGridResilience 4 1.2.1 Definitions 4 1.2.2 ImportanceandBenefits 6 1.2.2.1 DealingwithWeather-RelatedDisastrousEvents 6 1.2.2.2 FacilitatingtheIntegrationofRenewableEnergySources 7 1.2.2.3 DealingwithCybersecurity-RelatedEvents 8 1.2.3 Challenges 9 1.3 ResilienceEnhancementAgainstDisasters 12 1.3.1 PreparednessPriortoDisasters 12 1.3.1.1 Component-LevelResilienceEnhancement 13 1.3.1.2 System-LevelResilienceEnhancement 14 1.3.2 ResponseasDisastersUnfold 14 1.3.2.1 SystemStateAcquisition 15 1.3.2.2 ControlledSeparation 16 1.3.3 RecoveryAfterDisasters 17 1.3.3.1 ConventionalRecoveryProcess 17 1.3.3.2 MicrogridsforElectricServiceRecovery 18 1.3.3.3 DistributionGridTopologyReconfiguration 18 1.4 CoordinationandCo-Optimization 20 1.5 FocusofThisBook 22 1.6 Summary 23 References 23 (cid:2) (cid:2) viii Contents PartII PreparednessPriortoaNaturalDisaster 35 2 PreventiveMaintenancetoEnhanceGridReliability 37 2.1 Component-andSystem-LevelDeteriorationModel 37 2.1.1 Component-LevelDeteriorationTransitionProbability 38 2.1.2 System-LevelDeteriorationTransitionProbability 40 2.1.3 MathematicalModelwithoutHarshExternalConditions 40 2.2 PreventiveMaintenanceinConsiderationofDisasters 41 2.2.1 PotentialDisastersInfluencingPreventiveMaintenance 41 2.2.2 PreventiveMaintenanceModelwithDisastersInfluences 42 2.2.2.1 ProbabilisticModelofRepairDelaysCausedByHarshExternal Conditions 42 2.2.2.2 ActivityVectorsCorrespondingtoRepairDelays 42 2.2.2.3 ExpectedCost 43 2.3 SolutionAlgorithms 44 2.3.1 BackwardInduction 44 2.3.2 SearchSpaceReductionMethod 44 2.4 CaseStudies 45 2.4.1 DataDescription 45 2.4.2 CaseI:VerificationoftheProposedModel 45 (cid:2) (cid:2) 2.4.2.1 VerifyingtheModelUsingMonteCarloSimulations 46 2.4.2.2 SelectionofOptimalMaintenanceActivities 47 2.4.2.3 InfluencesofHarshExternalConditionsonMaintenance 48 2.4.3 CaseII:ResultsSimulatingtheZhejiangElectricPowerGrid 48 2.5 SummaryandConclusions 51 Nomenclature 52 References 53 3 PreallocatingEmergencyResourcestoEnhanceGrid Survivability 55 3.1 EmergencyResourcesofGridsagainstDisasters 55 3.2 MobileEmergencyGeneratorsandGridSurvivability 58 3.2.1 MicrogridFormation 59 3.2.2 PreallocationandReal-TimeAllocation 59 3.2.3 CoordinationwithConventionalRestorationProcedures 60 3.3 PreallocationOptimizationofMobileEmergencyGenerators 61 3.3.1 ATwo-StageStochasticOptimizationModel 61 3.3.2 AvailabilityofMobileEmergencyGenerators 66 3.3.3 ConnectionofMobileEmergencyGenerators 66 3.3.4 CoordinationofMultipleFlexibilityinMicrogrids 67 (cid:2)