多微网与配电网协调运行与分层控制技术研究

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1、万方数据AbstractWithgrowingconcernsaboutenergyandenvironmentalissues，promotingstructuraladjustmentofenergy,promotingenergyconservationandimprovingtheefficiencyofenergyutilizationhavebecomeanimportantdirectionofdevelopmentChina’Senergyindustry,especiallythee

2、lectricpowerindustry．Thedistributedgenerationmainlytakesadvantageofrenewableenergy,asaneffectivecomplementtocentralizedgeneration，whichhelpstoprovideuserswithlow—carbon，efficientgreenpower,andalsohasanimportantroleinconstructingasmarter,cleanerelectricp

3、owerindustry．Microgrid，asaneffectiveformintegratingdistributedpower,canachievefullutilizationofrenewableenergythroughflexiblecontroltechnologyandimprovethequalityandreliabilityofpowersupply,which，inrecentyearshasbecomeahottopic．However，withplentyofdistr

4、ibutedpoweraccesstogrid，thedistributednatureofthemicrogridwillbecomeincreasinglyevident，alsothehasgraduallyimproved，howtoeffectivelyimplementthecoordinatedoperationofmultiplemicrogridanddistributionnetworkinthecaseofhighpenetrationhasbecomeanurgentprobl

5、em．Thisarticlefocusesoncoordinatedoperationmechanismsofmultiplemicrogridanddistributionnetwork．Basedonanalysisandcomparisonofschedulingobiectivesofmicrogridanddistributionnetwork，ahierarchicalcoordinatedcontrolstructure，containingthecomponentlevel，themi

6、crogrid—levelanddistribution—levelusingmulti-Agenttechnologyisbuilded．Theschedulingdecisionprocessisdividedintomicrogrid·-levelAgentenergymanagementprocessanddistribution--levelAgentcoordinatedschedulingprocess，andahierarchicalmathematicalmodelisestabli

7、shed．Usinggeneticalgorithmstosolvethegivenmodelmethod，andfinally,theproposedmodelisvalidatedbasedontheIEEE30一busstandardsystem．Theresultsarediscussedfromthreeaspects：theschedulingstrategy,thevoltagelevelandactiveloss．Numericalresultsshowthattheproposedh

8、ierarchicalcoordinatedcontrolmodelcancontrolmultiplemicrogridtoreducepeakloads，improvethevoltagelevelofdistributionnetworkandreduceactivelosseswithoutcompromisingtheautonomyofthemicrogrid．Thehierarchicalcoordinationandcontrolmech