多微网和配电网协调运行和分层控制技术-研究

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1、万方数据AbstractWithgrowingconcernsaboutenergyandenvironmentalissues，promotingstructuraladjustmentofenergy,promotingenergyconservationandimprovingtheefficiencyofenergyutilizationhavebecomeanimportantdirectionofdevelopmentChina’Senergyindustry,especiallytheelectricpowerindustry．Thedistribute

2、dgenerationmainlytakesadvantageofrenewableenergy,asaneffectivecomplementtocentralizedgeneration，whichhelpstoprovideuserswithlow—carbon，efficientgreenpower,andalsohasanimportantroleinconstructingasmarter,cleanerelectricpowerindustry．Microgrid，asaneffectiveformintegratingdistributedpower,

3、canachievefullutilizationofrenewableenergythroughflexiblecontroltechnologyandimprovethequalityandreliabilityofpowersupply,which，inrecentyearshasbecomeahottopic．However，withplentyofdistributedpoweraccesstogrid，thedistributednatureofthemicrogridwillbecomeincreasinglyevident，alsothehasgrad

4、uallyimproved，howtoeffectivelyimplementthecoordinatedoperationofmultiplemicrogridanddistributionnetworkinthecaseofhighpenetrationhasbecomeanurgentproblem．Thisarticlefocusesoncoordinatedoperationmechanismsofmultiplemicrogridanddistributionnetwork．Basedonanalysisandcomparisonofschedulingo

5、biectivesofmicrogridanddistributionnetwork，ahierarchicalcoordinatedcontrolstructure，containingthecomponentlevel，themicrogrid—levelanddistribution—levelusingmulti-Agenttechnologyisbuilded．Theschedulingdecisionprocessisdividedintomicrogrid·-levelAgentenergymanagementprocessanddistribution

6、--levelAgentcoordinatedschedulingprocess，andahierarchicalmathematicalmodelisestablished．Usinggeneticalgorithmstosolvethegivenmodelmethod，andfinally,theproposedmodelisvalidatedbasedontheIEEE30一busstandardsystem．Theresultsarediscussedfromthreeaspects：theschedulingstrategy,thevoltagelevela

7、ndactiveloss．Numericalresultsshowthattheproposedhierarchicalcoordinatedcontrolmodelcancontrolmultiplemicrogridtoreducepeakloads，improvethevoltagelevelofdistributionnetworkandreduceactivelosseswithoutcompromisingtheautonomyofthemicrogrid．Thehierarchicalcoordinationandcontrolmech