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1、AbstractAbstractSincetheconceptofthemicrogridisputforward,withtheuniqueadvantages,microgridabsorbsthegreatattentionfromallwalksoflife.Microgridconsistsofloadsofagivenareaandmicropowersources,suchaswindpower,photovoltaicpowergenerationandsoon.Gatheringthecomplementarypoweradva
2、ntageofeconomy,technology,environmentalprotectionfromvariousmicropowersource,themicrogridavoidsmanyadverseeffectscausedbythegrid-connecteddistributedgeneration.Microgridcanoperationattheoff-gridandgrid-connectedstate,andformapowersupplymodewithcomprehensivecompetitiveness,con
3、ferringmaingridandthelocalusers.Andastheindispensablepartofthemicrogridconstruction,theoptimalalloctionbecametheresearchfocusofscholarsbothathomeandabroad.inthispaper,optimalalloctionofthemicrogridwascarriedoutrelevantresearchandexploration.Firstofall,thecurrentworldresearchs
4、tatusanddevelopmenttrendofmicrogridanditsoptimalalloctionwereintroducedindetail.Then,thedescriptionofmicrogridstructureandthemathematicalmodelofmicropowersourcesweremade,tobepreparedforthefollow-upstudies.Then,thebasicartificialfishalgorithmwasmadeimprovementsinmanyaspects,an
5、dcombinedwiththechaoticsearchalgorithmwhichholdstheabilityofstronglocalsearch.Soahybridoptimizationalgorithmhavingbothglobalandlocalsearchabilitywasformed,andthecorrespondingsimulationwasproved,layingthefoundationforthecorrespondingoptimalalloctiontheoryofmicrogrid.Inordertos
6、tudythedifferentoptimalallocationsofmicrogrid,Multiplechildobjectfunctionsofmicrogridsuchastheeconomy,environmentalprotection,thenetworklossandsoonwereintegratedintotheobjectivefunctionforcomprehensivebenefits,consideringvariousconstraints.Thefollowingthreedifferentoptimalall
7、ocationmodesofmicrogridweresolvedbytheproposedhybridoptimizationalgorithmandtheinteractivemultipleobjectsdecisionmodel,including1)Undertheoff-gridmode,theindependentallocationofmicropowersourceswiththegoaloftheirbenefitmaximization;2)Comprehensivecoordinatedoptimalallocationo
8、feachmicropowersourceundertheoff-gridmode;3)Optimalallocationofmicrg
