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ID:31977849
大小:871.27 KB
页数:60页
时间:2019-01-30
《基于改进粒子群的风电场机组组合优化调度的-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、华北水利水电大学硕士学位论文II万方数据ABSTRACTSTUDYONSCHEDULINGOPTIMIZATIONOFWINDTURBINEBASEDONMODIFIEDPARTICLESWARMOPTIMIZATIONABSTRACTWithenergyandenvironmentalissueshavingbecomeincreasinglyprominent,ithasbecomethegeneralconsensusthatdevelopslow-carboneconomyandachievessustainabledevelopm
2、ent.Renewableenergysourceswithcleaner,renewableadvantagehavebecomeahottopic.Especiallywindpowerhasgainedworldwideattentionandhasbeendevelopingrapidly.However,withtherapiddevelopmentofwindpowerindustrythatwindfarmsizeandunitnumberincreased,grid-connectedwindfarmwillbringnew
3、challengestothesafetyandeconomicoperationofpowersystems.Windfarmsarelimitedbypoweroutputrangeandbalanceofpowerandotherconditions.Optimizingthedispatchwhichcanreducethelossofwindturbineshasgreatsignificanceinimprovingthewholepowersystemoperationandeconomicefficiency.Basedon
4、theanalysisandresearchofwindpowerunitcommitmentoptimizationandrelatedtechnologies,theobjectivefunctionthatgettheminimumfatiguedamageofunitrootisestablishedtoastheoptimizedgoal,whichbuildonthewindpowerforecastdataandpowergridschedulinginstruction.Animprovedparticleswarmopti
5、mizationalgorithmisdesignedtofindaunitcombinationschemethatcanreducetheredundantoperationandavoidthefrequentstartorstop.Inthecourseofthestudyonthekeytechnologyoftheproject,particleswarmoptimizationandgeneticalgorithmareanalyzedoftheiroperationmechanismanddefects.Aimingatth
6、esedefects,someimprovementsareputsforward.First,discreteparticleswarmalgorithmthatupdateitsvelocityandpositionbyusingtheparticlevelocityandbestindividualandgroupoptimalisdesigned.Secondly,ahybridalgorithmwhichhasahierarchicalstructureofgeneticalgorithmandparticleswarmoptim
7、izationwasdesignedbycomplementingtheiradvantageafteranalyzingthecharacteristicofthetwokindsofIII万方数据华北水利水电大学硕士学位论文algorithms.Inthehybridalgorithm,geneticalgorithmsinthebaselevelprovidetheglobalsearchabilityandtheparticleswarmalgorithminthetoplevelwhichcomprisesallelitesubg
8、roupsconsistingofthebestindividualofeachsubgroupprovidelocalsearchabilityandensuretheconv
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