海洋能微网系统控制技术-研究

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1、万方数据摘要AbstractWiththerapiddevelopmentofeconomy,electricloadofpowergridlargelyincreasesinrecentyearsandthestabilizationandreliabilityofpowergridSUffermoreimpact．Electricindustryundergoesseveretestwhenenvironmentalproblemandenergycrisisareincreasinglyserious．Inviewofthis，micro-曲dtech

2、nology,whichcombinesrenewableenergyanddistributedpowergenerationhasgetextensiveworld—wideattention．Oceanenergymicro-gridintegratesmultipledistributedpowergenerationasanislandandoffshorepowerdistributionnetwork．Itisenvironmentally—friendly,flexibleandefficient．Themicro-gridprojectin

3、thispaperissuchanoceanenergypowersystem，includingwaveenergygeneration，oceancurrentgenerationandmultiplepowerstorage．Micro-gddsystem’Scontroltechnologyisoneofmainpartsoftheresearchonoceanenergymicro-grids．Distributedpowersourcesinmicro-gridhavesourcediversificationanditsoutputpoweri

4、sintermittentandfluctuated．Andinmicro·西d，thecontrolcomplexityofdiversepowerelectronicequipmenthasimpactonpowerqualityofthegrid．Therefore，thecoordinatedoperationofdiversedistributedgenerationsandpowerelectronicequipmeritshouldbebasedonreasonablecontrolstrategy．Thispaperfirstlyintrod

5、ucedtheresearchbackgroundofthispaper,thedomesticandabroaddevelopmentofmicro-妒dandtheresearchstatusofmicro—gridcontroltechnology．Secondlythepaperintroducedthemainstruetu／esofgrid-connectedmicaxr-gridandoff-gridmicro一面dandanalyzedbasiccontrolstrategyofdistributedmicro-gridsystem．Then

6、distributedSOUl℃econtroltechnologyandmi瓣鲥dintegratedsystemcontrolstrategy,whicharesuitableforoceanenergymicro·gri也arefu吡erresearchedandanalyzed．ByMATLAB／Simulinksoftware，thecontrolmodelsfordifferentdistributedpowergenerationcontroltechnologyalebuilt．Baseontheintermittencyandfluctua

7、tionofpowergenerationendandthecircumstanceofislandintheoceanenergymicro·gridsystem，micro-gridcontroltechnologyandstrategywiththeapplicationofpowerstoragetechnologyfortheoff-gridoceanenergypowersystemisdesignedinthispaper．Thesystemlevelcontrolstrategyappliedmaster-slavecontrol，power

8、storagesystemusedV／fcontro