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ID:34156374
大小:7.73 MB
页数:72页
时间:2019-03-04
《微电网规划设计与仿真系统研究》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、万方数据ABSTRACTABSTRACTDuetotheincreaseofthepenetrationfactorofintermittentenergy,suchaswindandsolarenergy,hasbroughtaboutoperationstabilityproblemstothepowergrid.Therefore,scholarsfromvariouscountrieshavebeguntofocusonmierogrid,whichisaneffectivemethodofprovidinge
2、lectric鲥dwithnew&cleanenergyinlargesome.Reasonableplanninganddesigningofmicrogridcanensul屯safe,reliable,economicalrunningofmicrogridandexternalgrid,andimprovetheutilizationefficiencyofcleanpowereffectively.Thispaperfocusesonissuesrelatedtotheoptimaldesignofmicro
3、grid,correspondingresearchworkasfollowing:1)Mathematicalmodelsofpowercalculationofphotovoltaic.wind-generatorsystemsandbatteriesarepresented,whichlaythefoundationforthesubsequentoptimizingcapacity.2)Anewcapacityconfigurationmethodisproposedbasedoncompositedispat
4、chstrategy.Theproposedmethodinwhichthemaximuminvestmentincomeofmicrogridisconsideredasobjeefiveandtheconstraintsofinstallingconditionofsites,thesafeoperationofstoragesystemand鲋-friendlyconnectionareconsidered.LoadfollowingstrategyandSOCsetpointstrategyarecompreh
5、ensivelyconsideredwhencalculatingthevalueofindividualfitness.Inaddition,limitingthescopeofthesearch,doubleeliteevolutionarystrategyandinereasingrandomindividualsareproposedinordertoimprovegeneticalgorithm.3)Capacityoptimizationconfigurationsoftwareformierogridis
6、developed,whichutilizestheoptimizationmethodasmentionedbefore.BasedonC/Sframe,thesoftwareisdevelopedontheplatformofMicrosoftVisualSmdio.ThesoftwareCancalclllatetheoptimalcapacity.Hourlywindspeedandsolarradiationfromhistoricaldatacallbecalclllatedaswell.Designers
7、Canalsoadjnsttheoptimalconfigurationschemeforcustomer’srequirementbasedontheactualrequirementsoftheproject.Throughtheoptimizationofpracticalengineering,thevalidityofcompositedispatchstrategyisverified,togetherwiththesoft:ware.4)Simulationsystemofmicrogridisbuilt
8、toanalyzethefeasibilityofconfigurationscheme.Owingtothemethodofoptimizingcapacitygivesnoconsiderationtotransientstability,thesimulationsystemisestablishedinPSCAD.Thec
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