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dtechnology,whichco

2、mbinesrenewableenergyanddistributedpowergenerationhasgetextensiveworld—wideattention．Oceanenergymicro-gridintegratesmultipledistributedpowergenerationasanislandandoffshorepowerdistributionnetwork．Itisenvironmentally—friendly,flexibleandefficient．Themicro-gridprojectinthispaperissuchanoceanenergy

3、powersystem，includingwaveenergygeneration，oceancurrentgenerationandmultiplepowerstorage．Micro-gddsystem’Scontroltechnologyisoneofmainpartsoftheresearchonoceanenergymicro-grids．Distributedpowersourcesinmicro-gridhavesourcediversificationanditsoutputpowerisintermittentandfluctuated．Andinmicro·西d，t

4、hecontrolcomplexityofdiversepowerelectronicequipmenthasimpactonpowerqualityofthegrid．Therefore，thecoordinatedoperationofdiversedistributedgenerationsandpowerelectronicequipmeritshouldbebasedonreasonablecontrolstrategy．Thispaperfirstlyintroducedtheresearchbackgroundofthispaper,thedomesticandabroa

5、ddevelopmentofmicro-妒dandtheresearchstatusofmicro—gridcontroltechnology．Secondlythepaperintroducedthemainstruetu／esofgrid-connectedmicaxr-gridandoff-gridmicro一面dandanalyzedbasiccontrolstrategyofdistributedmicro-gridsystem．ThendistributedSOUl℃econtroltechnologyandmi瓣鲥dintegratedsystemcontrolstrat

6、egy,whicharesuitableforoceanenergymicro·gri也arefu吡erresearchedandanalyzed．ByMATLAB／Simulinksoftware，thecontrolmodelsfordifferentdistributedpowergenerationcontroltechnologyalebuilt．Baseontheintermittencyandfluctuationofpowergenerationendandthecircumstanceofislandintheoceanenergymicro·gridsystem，m

7、icro-gridcontroltechnologyandstrategywiththeapplicationofpowerstoragetechnologyfortheoff-gridoceanenergypowersystemisdesignedinthispaper．Thesystemlevelcontrolstrategyappliedmaster-slavecontrol，powerstoragesystemusedV／fcontro