基于储能的微电网蓄电池性能-分析和-研究

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1、ABSTRACTANALYSISANDRESEARCHoFBATTERYPERFoRMANCEBASEDONTHEMICROGRIDENERGYSToRAGEMicropowergridisacombinationofelectricityloadandaflexiblecontrolofsmalldistributedpowergrid，themicrogridcanrunwithpowergridnetworkandalsorunindependentwiththemainpowerdisconn

2、ect．Basedonthedistributedgenerationtechnologyofmicrogrid，notonlyincreasethecapacityofpowersupplysystemeffectively，butalsorenewabletheenergydevelopmentandutilization．Itisthenewdirectionofthepowersystemdevelopmentintheworld．Microgridcanbeworkedonthetwokin

3、dsofmode，islandorconnectwithpowergridnetwork．howtotransitionbetweenmetwokindsofoperationmodesafetyandsmoothisthekeytomicrogridoperation，thatrequirementsthecontrolofthemicrogridsystemhadahighlevel．Micropowergridofthedistributedpowersupplyisintermittent，i

4、nertiaandsmallfaults，energystorageisthemosteffectivewaytosolvetheseshortcomings，inordertoensurethereliabilityofpowersupplyandthenormaloperationofthesystem，SOtheenergystoragedeviceisnecessary．Themicrogridcontrolmethodandtheenergystorageelementcolloidlead

5、—acidbatteryarethemaintopicoftheresearch，atfirstthispaperintroducethecomposeofdistributedpowerofmicrogridconcept，structure，andclassification；Thenthemicrogridinverternetworksystemmodelareanalyzed；Inthispaper，wemainlystudythemicrogridcontrolstrategybasedo

6、ngridinverter，respectivelyinthemicrogridinterconnectionandtheislandsofthecontrolstrategyoftwooperatingmodesarediscussedinthispaper．Thesismainlydonethefollowingwork：1．Startingfromthecontrolofthemicroinverterpowersupply，micropowergridofthemaster—slavecont

7、rolstrategywasstudiedanddiscussed；Micropowersystemcontrol华北水利水电大学硕士学位论文一—————————————————————————————————————————————————————————————————一————————————————————————一methodisexpounded，andthecompositionofthetypicalmaster—slavecontrolmodel．2．Theequivalentcon

8、trolmethodmainlyusedinthemicrogridisolated．Accordingtotheparticularityofmicronetworksystem，themicrosourceinverterareusingdroopcontrol(P．fandQ-Vcontr01)inttlispaper，whentheloadchangesusingthelocalinformationtocoordinateadistribute