第47卷第2期电网技术Vol.47No.22023年2月PowerSystemTechnologyFeb.2023文章编号:1000-3673(2023)02-0763-10中图分类号:TM721文献标志码:A学科代码:470·40考虑差异化加固的全阶段抗灾型骨干网架两阶段优化规划陈昌铭1,龚贤夫2,娄源媛2,陈鸿琳2,刘晟源1,林振智1(1.浙江大学电气工程学院,浙江省杭州市310027;2.广东电网有限责任公司,广东省广州市510699)Two-stageOptimalPlanningofAll-stageAnti-disasterBackboneNetworkConsideringDifferentialReinforcementCHENChangming1,GONGXianfu2,LOUYuanyuan2,CHENHonglin2,LIUShengyuan1,LINZhenzhi1(1.CollegeofElectricalEngineering,ZhejiangUniversity,Hangzhou310027,ZhejiangProvince,China;2.GuangdongPowerGridCo.,Ltd.,Guangzhou510699,GuangdongProvince,China)ABSTRACT:Inordertoreducethedamageandlossofpowersystemscausedbytheextremenaturaldisasterssuchastyphoons,atwo-stageoptimalplanningmethodoftheall-stageanti-disasterbackbonenetworkconsideringdifferentialreinforcementisproposedinthispaper.Firstly,thedifferentialreinforcementindexes(beforethedisaster),theinvulnerabilityindexes(duringthedisaster)andtherecoveryindexes(afterthedisaster)forthetransmissionnetworkthatspansmultipletyphoondisasterareasareproposedtoevaluatetheall-stageanti-disasterperformancesofthebackbonenetwork.Thescenarioanalysisisutilizedtoaddresstherandomnessofthetyphoonpaths.Onthisbasis,anoptimalplanningmodeloftheall-stageanti-disasterbackbonenetworkisestablishedtomaximizetheintegratedindexoftheanti-disasterperformanceofthebackbonenetwork,andtheproposedmodelisequivalentlyconvertedintoatwo-stageoptimizationmodeltoimprovethesolutionefficiency.Then,animprovednon-dominatedsortinggeneticalgorithmⅡ(NSGA-Ⅱ)basedonthegraphtheoryrepairstrategyandthegeneticalgorithmisproposedtosolvetheproposedtwo-stagemodel.Finally,acasestudybasedonaregionaltransmissionnetworkinGuangdongprovinceisusedtoverifytheeffectivenessandadvantagesoftheproposedmodel.KEYWORDS:backbonenetwork;differentialreinforcement;all-stageanti-disastercharacteristics;NSGA-Ⅱ;two-stageoptimizationplanning摘要:为减少台风等极端自然灾害对...